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Photo Forum / Film Photography / Darkroom / April 2005

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Tmax 100 versus APX 100

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Matthew McGrattan - 29 Mar 2005 15:42 GMT
I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
asa films so I'm not that familiar with the various options at 100.

Would people recommend Tmax 100 or Agfa APX at the same speed?

I'll probably be using Rodinal initially but I'm open to other
developer suggestions.

Any other 100 asa brand that people like -- some of the smaller ones
like Foma, Efke or Maco?

Matt
UC - 29 Mar 2005 15:46 GMT
1) I would NOT use Rodinal. D-76 1:1 is just fine

2) Ilford FP4 Plus or Delta 100 are probably easier to work with

> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
> asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 8 lines]
>
> Matt
theyankeesnapper@aol.com - 30 Mar 2005 15:27 GMT
APX-100 in Medium format is very good developed in X-tol 1+1 or FX-39,
great for kids. In 35mm I would only use it (apx) for snapshots to 5x7.
In 35mm I would rather use Ilfords Delta 100 in X-tol 1+1 or FX-39 with
Tmax as my 2nd choice.
Jean-David Beyer - 29 Mar 2005 16:05 GMT
> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
>  asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 6 lines]
> Any other 100 asa brand that people like -- some of the smaller ones
> like Foma, Efke or Maco?

You did say what size film you will be using.

When I was shooting mostly 35mm, I was using mostly Tri-X, and found
Rodinal too grainy for my taste. For a film like that, I found D-76d and
HC-110 (dilution B) to be about the best.

When the TMax films came out, I tried a lot of different developers (but
not Rodinal), and found that TMax-RS developer was the best for that,
but that D-76d was good too. My preference at the moment is XTol
developer 1+1 for it.

I never used APX 100, so I would not know about that. But I like TMax
100 and TMax 400 a lot because of their very straight D/H curves,
especially wnen developped in XTol 1+1. Some people do not like straight
D/H curves because you must be more careful to give proper exposure.

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Matthew McGrattan - 29 Mar 2005 16:07 GMT
>> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
>>  asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 12 lines]
>Rodinal too grainy for my taste. For a film like that, I found D-76d and
>HC-110 (dilution B) to be about the best.

I'll largely be using 35mm although I do shoot 120. However, 120 I
usually have processed by a lab rather than doing it myself.

Matt
Tom Phillips - 29 Mar 2005 18:04 GMT
> >> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
> >>  asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 15 lines]
> I'll largely be using 35mm although I do shoot 120. However, 120 I
> usually have processed by a lab rather than doing it myself.

APX 100 is a nice film, but 35mm will be a bit too grainy
IMO if developed in Rodinal. I use TMX in Rodinal but only
in 4x5. Of course if grain is the effect you want then
rodinal with APX is the combination to use. But for either
TMX or APX 35mm I'd probably use D76 or even Microdol-X.

The difference between TMX and APX is APX is a traditional
b&w film with a definite shoulder. TMX simply has no
shoulder. I used to prefer APX when it came in ISO 25
but it isn't available in 4x5 anymore.
jjs - 29 Mar 2005 18:10 GMT
> The difference between TMX and APX is APX is a traditional
> b&w film with a definite shoulder.

Nobody shoots to the shoulder. Toe, maybe, but not the shoulder. Chances are
your exposures are in the straighter part of the curve anyway.
Tom Phillips - 29 Mar 2005 19:12 GMT
> > The difference between TMX and APX is APX is a traditional
> > b&w film with a definite shoulder.
>
> Nobody shoots to the shoulder. Toe, maybe, but not the shoulder. Chances are
> your exposures are in the straighter part of the curve anyway.

How would you know, troll?

You've never even drawn a film curve, let
let alone seen an APX shoulder...
David Nebenzahl - 29 Mar 2005 19:34 GMT
On 3/29/2005 10:12 AM Tom Phillips spake thus:

>> > The difference between TMX and APX is APX is a traditional
>> > b&w film with a definite shoulder.
[quoted text clipped - 6 lines]
> You've never even drawn a film curve, let
> let alone seen an APX shoulder...

Ad hominem? You want ad hominem?

Apparently to T.P. all who disagree with him are "trolls", except for his
butt-f.ck partner Gregory Blank.

Signature

"I know I will go to hell, because I pardoned Richard Nixon."

- Former President Gerald Ford to his golf partners, as related by
the late Hunter S. Thompson

Tom Phillips - 29 Mar 2005 19:49 GMT
> On 3/29/2005 10:12 AM Tom Phillips spake thus:
>
[quoted text clipped - 13 lines]
> Apparently to T.P. all who disagree with him are "trolls", except for his
> butt-f.ck partner Gregory Blank.

Stafford is a troll; he's constantly trolling for
flames. You OTOH are only a foul mouthed crossposter
who unfortunately can't express himself except in
pitiable obscene fit's of rage and insecurity.

If either you or stafford have ever drawn (or even seen)
an APX shoulder, I'll killfile Gregory :)
David Nebenzahl - 29 Mar 2005 20:22 GMT
On 3/29/2005 10:49 AM Tom Phillips spake thus:

>> On 3/29/2005 10:12 AM Tom Phillips spake thus:
>>
[quoted text clipped - 21 lines]
> If either you or stafford have ever drawn (or even seen)
> an APX shoulder, I'll killfile Gregory :)

I haven't, but I wouldn't be surprised at all if jjs has, so we'll note that
the gauntlet has been thrown down here.

(I've never even shot APX, but want to do so soon. At least before the digital
wave swamps us all and it becomes unavailable.)

Signature

"I know I will go to hell, because I pardoned Richard Nixon."

- Former President Gerald Ford to his golf partners, as related by
the late Hunter S. Thompson

Tom Phillips - 29 Mar 2005 21:35 GMT
> On 3/29/2005 10:49 AM Tom Phillips spake thus:
>
[quoted text clipped - 13 lines]
>
> (I've never even shot APX...

LOL...Not only is your own flame (as usual) a baseless
obscene rant, if there's any other proof needed that
stafford's a troll just refer to his most recent March
25th attempt "TP Sins..." If that's not a deliberate
troll, trolls don't exist :)

As to this gauntlet nonsense, you must be really bored.
Nevertheless proof is below. You yourself labeled stafford
an old "fart" when he flamed and challened the fact that
altering development time caused a change in film speed.
Anyone who has ever drawn a family of curves would know
this as it's plainly observable. All authorites note this.
Stafford, never having done this or read a book (because
he knows zilch about sensitometry, not unlike scarpitti
with whom he was in concert), replied with the following
(from your own post):

> Subject: Re: The Definition of Pushing
> Date: Mon, 10 Nov 2003 18:48:19 -0800
[quoted text clipped - 5 lines]
>>
>> In article <3FB04382.C7657127@aol.com>, Tom Phillips
<nospam777@aol.com> wrote:

>> > jjs wrote:
>> > >
>> > > In article <3FB03F59.542FD382@aol.com>, Tom Phillips
<nospam777@aol.com> wrote:

>> > > > Increasing/decreasing development time moves the speed point.
>> > >
>> > > Only when you work in the very abstract: exposing for a certain gamma
>> > > without consideration for the rest of the densities of the average
>> > > real-world picture - which when pushing are often, but not
always, totally
>> > > unusable.
>> >
[quoted text clipped - 6 lines]
>
> Don't worry; "jjs" is just a dyspeptic old fart.

Subject: Re: The Definition of Pushing
Newsgroups: rec.photo.darkroom

Michael Scarpitti wrote:

> Tom Phillips <nospam777@aol.com> wrote in message news:<3FB0539F.50CB25E8@aol.com>
> >
[quoted text clipped - 5 lines]
>
> No, it does not gain speed. The 'density gain' in the shadow regions is FOG.

It isn't a "density" gain." It's a movement of the speed point, which is how
ISO speeds are determined using the position of 0.10 net density (the
toe of
the curve.) Base+fog is irrelevant. I quote  Jack Eggleston
(Sensitometry
for Photographers) on determining the speed of a film: "There are
several
methods of finding and expressing the speed of a film...but with all speed
systems an increase in speed shows as the shift of the characteristic
curve
towards the left along the log exposure axis." In other words if you've
ever
noted the position of the speed point in a family of curves for a given
film-developer combination you'll also notice the curves shift either
left
or right in relation to development times. This constitutes a shift in
effective film speed.

From Richard J. Henry (Controls in Black and White Photography, second
edition, page 152: "The effective speed of a film is measured under
conditions that produce a CI of about 0.56. When the CI is changed, the
position of the speed point (film 0.1 above fb+f) shifts, resulting in a
change of the speed. AS CI decreases, speed decreases. As CI increases,
speed increases."

From Ansel Adams (The Negative," chapter 4 "Zone System."): "Increased
development moves the effective threshold [speed point] to the left
indicating that less exposure [increased speed] is necessary, and
reducing development moves the threshold to the right indicating that an
increase [decreased film speed] in exposure is required...If using the
manufacturers recommended ASA number we find that a Zone I exposure
produces a density higher than 0.10 [threshold speed point] we can
reduce this exposure by assigning a higher film speed." Adams is here
talking about a change in effective film speed.

These authorities all agree.
Frank Pittel - 29 Mar 2005 23:25 GMT
: > On 3/29/2005 10:49 AM Tom Phillips spake thus:
: >
[quoted text clipped - 13 lines]
: >
: > (I've never even shot APX...

: LOL...Not only is your own flame (as usual) a baseless
: obscene rant, if there's any other proof needed that
: stafford's a troll just refer to his most recent March
: 25th attempt "TP Sins..." If that's not a deliberate
: troll, trolls don't exist :)

: As to this gauntlet nonsense, you must be really bored.
: Nevertheless proof is below. You yourself labeled stafford
[quoted text clipped - 6 lines]
: with whom he was in concert), replied with the following
: (from your own post):

: > Subject: Re: The Definition of Pushing
: > Date: Mon, 10 Nov 2003 18:48:19 -0800
[quoted text clipped - 28 lines]
: >
: > Don't worry; "jjs" is just a dyspeptic old fart.

: Subject: Re: The Definition of Pushing
: Newsgroups: rec.photo.darkroom

: Michael Scarpitti wrote:
: >
[quoted text clipped - 7 lines]
: >
: > No, it does not gain speed. The 'density gain' in the shadow regions is FOG.

: It isn't a "density" gain." It's a movement of the speed point, which is how
: ISO speeds are determined using the position of 0.10 net density (the
[quoted text clipped - 13 lines]
: or right in relation to development times. This constitutes a shift in
: effective film speed.

: From Richard J. Henry (Controls in Black and White Photography, second
: edition, page 152: "The effective speed of a film is measured under
: conditions that produce a CI of about 0.56. When the CI is changed, the
: position of the speed point (film 0.1 above fb+f) shifts, resulting in a
: change of the speed. AS CI decreases, speed decreases. As CI increases,
: speed increases."

: From Ansel Adams (The Negative," chapter 4 "Zone System."): "Increased
: development moves the effective threshold [speed point] to the left
[quoted text clipped - 5 lines]
: reduce this exposure by assigning a higher film speed." Adams is here
: talking about a change in effective film speed.

: These authorities all agree.

What's the purpose of this troll?
Signature


Keep working millions on welfare depend on you
-------------------
fwp@deepthought.com

Gregory Blank - 29 Mar 2005 23:38 GMT

> What's the purpose of this troll?

I don't know but its relative to the 126 lines of unsnipped
quotation for a one line response you just posted ;-)

Signature

LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918

Frank Pittel - 30 Mar 2005 02:17 GMT
:  
: > What's the purpose of this troll?

: I don't know but its relative to the 126 lines of unsnipped
: quotation for a one line response you just posted ;-)

I've noticed that the faster my internet connection the less trimming
I do.
Signature


Keep working millions on welfare depend on you
-------------------
fwp@deepthought.com

David Nebenzahl - 30 Mar 2005 03:23 GMT
On 3/29/2005 5:17 PM Frank Pittel spake thus:

> :  
> : > What's the purpose of this troll?
[quoted text clipped - 4 lines]
> I've noticed that the faster my internet connection the less trimming
> I do.

Oho, so since *you* have a fast internet connection, it's OK for you to be
lazy and not trim your postings--that's left as an exercise to the *reader* to
slog through a forest of needless crap?

Remind me never to call you to work on any project that requires finesse and a
knowledge of communication.

Signature

"I know I will go to hell, because I pardoned Richard Nixon."

- Former President Gerald Ford to his golf partners, as related by
the late Hunter S. Thompson

Tom Phillips - 30 Mar 2005 07:40 GMT
> On 3/29/2005 5:17 PM Frank Pittel spake thus:
>
[quoted text clipped - 11 lines]
> lazy and not trim your postings--that's left as an exercise to the *reader* to
> slog through a forest of needless crap?

In the case of your posts I suggest Frank simply trim
everything. Then no one has to read it.
Frank Pittel - 30 Mar 2005 09:24 GMT
: > On 3/29/2005 5:17 PM Frank Pittel spake thus:
: >
[quoted text clipped - 11 lines]
: > lazy and not trim your postings--that's left as an exercise to the *reader* to
: > slog through a forest of needless crap?

: In the case of your posts I suggest Frank simply trim
: everything. Then no one has to read it.

You could do yourself and everyone in this group a favor and keep your
promise about putting me in your kill file.
Signature


Keep working millions on welfare depend on you
-------------------
fwp@deepthought.com

Tom Phillips - 30 Mar 2005 18:54 GMT
> : > On 3/29/2005 5:17 PM Frank Pittel spake thus:
> : >
[quoted text clipped - 17 lines]
> You could do yourself and everyone in this group a favor and keep your
> promise about putting me in your kill file.

And that's why you always reply? If you don't want attention, don't seek it.
Tom Phillips - 30 Mar 2005 00:48 GMT
> What's the purpose of this troll?

Never mind Frank. David Nebenzahl will seize any
opportunity to display his mastery of anal expletives.
Gregory Blank - 29 Mar 2005 23:30 GMT
> LOL...Not only is your own flame (as usual) a baseless
> obscene rant, if there's any other proof needed that
> stafford's a troll just refer to his most recent March
> 25th attempt "TP Sins..." If that's not a deliberate
> troll, trolls don't exist :)

David N has been in my kill file so long
I almost gladly have forgotten who the hell, he is :-D

John S;  I took out a while back and although
I still find him mildly obnoxious, he hasn't done
half of what "Scarp" or Benzl do-"Yet", so out he stays
until something warrants him to be placed back there.

Even if I do have to roll my eyes sometimes ;-)

Signature

LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918

John - 06 Apr 2005 21:32 GMT
>David N has been in my kill file so long
>I almost gladly have forgotten who the hell, he is :-D

    Same here. I have no patience for adult adolescents.

John - http://www.puresilver.org

"Are you planning on accepting the new definition of photography?" - Frank
"Just as soon as humanity accepts a new definition of the term humanity." - John
jjs - 30 Mar 2005 03:01 GMT
> LOL...Not only is your own flame (as usual) a baseless
> obscene rant, if there's any other proof needed that
> stafford's a troll just refer to his most recent March
> 25th attempt "TP Sins..." If that's not a deliberate
> troll, trolls don't exist :)

It is not a troll, but a direct comment to counter your assinine assertions
regarding what is, and is not, photography.  You could not answer it then,
and you cannot now.

Try as you may, you cannot discredit a person who actually makes
photographs.
Tom Phillips - 30 Mar 2005 07:38 GMT
> > LOL...Not only is your own flame (as usual) a baseless
> > obscene rant, if there's any other proof needed that
[quoted text clipped - 3 lines]
>
> It is not a troll,

No, _you_ are the troll..
jjs - 30 Mar 2005 02:59 GMT
> I haven't, but I wouldn't be surprised at all if jjs has, so we'll note
> that the gauntlet has been thrown down here.

I'm a little confused by the attributes, David so that is my error. To
clarify to whomever (but you), I do use APX almost exclusively in 120 format
so I am familiar with its response.

Who was objecting to experienced use? A keyboard artist?
David Nebenzahl - 30 Mar 2005 03:25 GMT
On 3/29/2005 5:59 PM jjs spake thus:

>> I haven't, but I wouldn't be surprised at all if jjs has, so we'll note
>> that the gauntlet has been thrown down here.
[quoted text clipped - 4 lines]
>
> Who was objecting to experienced use? A keyboard artist?

JJ, do I have to 'splain *everything* to you? Now sit down, take your Geritol,
and listen up.

Tom FillLips has accused you of having no knowledge of film curves. To wit:

> You've never even drawn a film curve, let
> let alone seen an APX shoulder...

(directed at you)

I merely told him that he was probably wrong about this. Was he?

Signature

"I know I will go to hell, because I pardoned Richard Nixon."

- Former President Gerald Ford to his golf partners, as related by
the late Hunter S. Thompson

jjs - 30 Mar 2005 03:37 GMT
> JJ, do I have to 'splain *everything* to you? Now sit down, take your
> Geritol, and listen up.

Hey, don't try to foist that 90% alcohol stuff on me. There are more
cost-effectives.

> Tom FillLips has accused you of having no knowledge of film curves. To
> wit:
[quoted text clipped - 5 lines]
>
> I merely told him that he was probably wrong about this. Was he?

Well, ya big silly, of course he was wrong. Thanks for making the effort to
straighten out the attributes. The next Geritol is on me... if you don't
mind a generic substitute... a name brand of Tequila comes to mind.
Mike Scarpety - 30 Mar 2005 04:04 GMT
> a name brand of Tequila comes to mind.

I can see it now; you both will be fighting to see who gets
ta suck on the worm.

BTW processing film in Dektol is what I live for.
jjs - 30 Mar 2005 04:12 GMT
>> a name brand of Tequila comes to mind.
>
> I can see it now; you both will be fighting to see who gets
> ta suck on the worm.
>
> BTW processing film in Dektol is what I live for.

Ya ain't s*t unless you are shooting Minox with that formula.
jjs - 30 Mar 2005 02:54 GMT
>> > The difference between TMX and APX is APX is a traditional
>> > b&w film with a definite shoulder.
>>
>> Nobody shoots to the shoulder. Toe, maybe, but not the shoulder. Chances
>> are
>> your exposures are in the straighter part of the curve anyway.

> How would you know, troll?

Show me your images shot to the shoulder.
Tom Phillips - 30 Mar 2005 07:37 GMT
> >> > The difference between TMX and APX is APX is a traditional
> >> > b&w film with a definite shoulder.
[quoted text clipped - 6 lines]
>
> Show me your images shot to the shoulder.

Since you've never actually seen an APX shoulder, or
how it thus compares with Tmax, why should I?

BTW, this is my last response. Enjoy it :)
Gregory Blank - 30 Mar 2005 13:39 GMT
> BTW, this is my last response. Enjoy it :)

To everyone? Or just JJS?

Signature

LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918

Tom Phillips - 30 Mar 2005 20:06 GMT
> > BTW, this is my last response. Enjoy it :)
>
> To everyone? Or just JJS?

Sorry. I only momentarily had a relapse and replied
to stafford. Don't know what got into me ;)

What I said (below) to <expletive deleted> Nebenzahl
was I'd killfile "Gregory" if either he or stafford
had ever graphed or even seen an APX shoulder. Of
course I was confident neither had :)

> >David Nebenzahl wrote:
> > >
[quoted text clipped - 15 lines]
> If either you or stafford have ever drawn (or even seen)
> an APX shoulder, I'll killfile Gregory :)
Mike Scarpety - 30 Mar 2005 20:48 GMT
> What I said (below) to <expletive deleted> Nebenzahl
> was I'd killfile "Gregory" if either he or stafford
> had ever graphed or even seen an APX shoulder. Of
> course I was confident neither had :)

What do you expect from a "Troll Patrol"
jjs - 31 Mar 2005 01:59 GMT
>> > BTW, this is my last response. Enjoy it :)
>>
>> To everyone? Or just JJS?
>
> Sorry. I only momentarily had a relapse and replied
> to stafford. Don't know what got into me ;)

Tom cannot tolerate rational discourse. Leave him be. I don't killfile his
posts because they serve so well for philosophy courses on aberrant
thinking. He's the classic case.
jjs - 30 Mar 2005 14:57 GMT
>> Show me your images shot to the shoulder.
>
> Since you've never actually seen an APX shoulder, or
> how it thus compares with Tmax, why should I?

Run away, Tom. You haven't been paying attention. Over the years I have
posted several examples of APX images.
Richard Knoppow - 02 Apr 2005 00:12 GMT
>>> I'm about to order some 100 asa film -- I usually shoot
>>> 400 asa or 50
[quoted text clipped - 26 lines]
>
> Matt

  If you do your own 35mm all you need for 120 is a
suitable tank. There are many available used. I happen to
prefer the stainless steel type but that is personal. If you
look for old Nikor tanks make sure the lids fit the tanks
and the caps fit the lids, they were sized individually.

   Rodinal is a useful developer but is grainier than most
others. Both 100T-Max and APX-100 work well in D-76 diluted
1:1. T-Max films require closer control of development time,
temperature, and agitation than non tabular grain films. For
instance, to change contrast one paper grade requires about
33% change in development time for most films but only about
20% for T-Max films. Of course both temperature and
agitation are equally more sensitive to variation. I think
this is one reason people have trouble with these films.
  APX-100 has very nice tonal quality. Its a good film in
120 and was a favorite in sheet sizes until it was
discontinued. Its hard to describe the difference in tonal
rendition between films unless its pretty large. I suggest
trying some of each.
  Because the ISO standard yields the minimum exposure for
good shadow detail its safe to increase exposure somewhat.
Most B&W films have great tollerance to overexposure. Also,
the speed varies a little with the developer. The ISO
standard allows any developer to be used in the measurements
but requires it to be stated with the speed. This is often
not done. Total variation among developers is not large.
Microdol-X at full strength loses about 3/4 stop compared to
D-76, Some Phenidone developers, notably the T-Max
developers, Xtol, Microphen, increase speed by about 3/4
stop. At D-76 speeds there is usually enough latitude to
accomodate these changes. Many films will give you a little
better shadow detail with about a stop more exposure but the
highlights may become a bit dense. Also, depending on the
characteristic curve of the film the contrast index may vary
a little with exposure. Sometimes increasing exposure has
the effect of increasing contrast a bit.  There are no
general rules for this, you really have to test the film to
see what it does.
  Other things can affect results. For instance, I've
recently been evaluating Plus-X since someone asked me about
it. I have one roll of very good negatives from a Rolleiflex
2.8E and another roll of not so good negatives from a
Calumet roll holder used in a Super-D Graflex for some
outdoor portraits. I haven't quite figured out what went
wrong with the Graflex negatives. BTW, Plus-X seems to
respond nicely to a No.8 (old Wratten K-2) filter outdoors.

Signature

---
Richard Knoppow
Los Angeles, CA, USA
dickburk@ix.netcom.com

Dana H. Myers - 30 Mar 2005 05:32 GMT
> I never used APX 100, so I would not know about that. But I like TMax
> 100 and TMax 400 a lot because of their very straight D/H curves,
> especially wnen developped in XTol 1+1. Some people do not like straight
> D/H curves because you must be more careful to give proper exposure.

TMY in Xtol 1+1.  Beautiful stuff, particularly rewards
even lighting.

Dana
Jan T - 29 Mar 2005 16:25 GMT
This might be just a matter of taste - degustibus et coloribus, you
know... - but I don't like TMX. It seems to me that it's mathematically
straight curve (although this is a techical exploit of Kodak!) makes my
prints look flat, especially in skin tones. APX is old technology film, more
grain, less sharp, but charming, say impressive for landscape and
portraiture. I develop in D-76 1+1 wich is, as stated in other replies, a
good combo... again: to my taste. BTW, I use it in 35mm.

Jan

| I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
| asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 8 lines]
|
| Matt
Jean-David Beyer - 29 Mar 2005 16:35 GMT
> This might be just a matter of taste - degustibus et coloribus, you
> know... - but I don't like TMX. It seems to me that it's mathematically
> straight curve (although this is a techical exploit of Kodak!) makes my
> prints look flat, especially in skin tones.

Just develop to a higher contrast to increase contrast in the skin
tones. Be sure you expose correctly because underexposure will quickly
lose you shadow detail. Unfortunately there is no escaping calibrating
your exposure and development to match your enlarging system and paper.

> APX is old technology film, more
> grain, less sharp, but charming, say impressive for landscape and
[quoted text clipped - 15 lines]
> |
> | Matt

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jjs - 29 Mar 2005 16:40 GMT
> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
> asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 3 lines]
> I'll probably be using Rodinal initially but I'm open to other
> developer suggestions.

Under what circumstances do you photograph and what outcomes do you want?

Tm films are super fine-grain but have a completely different character than
APX 100. I shoot a lot of APX 100 on 120 (6x6, 6x9 and 6x12) and use
strictly Rodinal 1:50 to 1:200. The grain is apparent, but enhances acutance
quite nicely. Tmax, on the other hand, does not respond well to alternative
dilutions, temperatures and times - IMHO.
Matthew McGrattan - 29 Mar 2005 16:48 GMT
>> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
>> asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 11 lines]
>quite nicely. Tmax, on the other hand, does not respond well to alternative
>dilutions, temperatures and times - IMHO.

I just shoot for myself mostly. Walking around shots -- buildings,
people, whatever. The occasional portrait of family or friends.

I quite like the look I get from, say Pan-F+, but I would like an
extra stop or two of speed as I find that on dull days I can't really
shoot Pan-F+ handheld (especially with a filter on the camera).

I use 6x6 a fair bit in a TLR but the stuff I develop myself -- which
is a relatively new thing for me -- is 35mm.

So the film recommendation would mostly be for a film used in a 35mm
camera -- both a rangefinder and an old SLR.

I quite like the 'classic' look so the APX sounds attractive.

Matt
UC - 29 Mar 2005 17:14 GMT
The AGFA emulsions are rather grainy compared to the competition.

FP4 Plus is decidely better.

> >> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
> >> asa films so I'm not that familiar with the various options at 100.
[quoted text clipped - 8 lines]
> >Tm films are super fine-grain but have a completely different character than
> >APX 100. I shoot a lot of APX 100 on 120 (6x6, 6x9 and 6x12) and use

> >strictly Rodinal 1:50 to 1:200. The grain is apparent, but enhances acutance
> >quite nicely. Tmax, on the other hand, does not respond well to alternative
[quoted text clipped - 16 lines]
>
> Matt
jjs - 29 Mar 2005 17:21 GMT
> I just shoot for myself mostly. Walking around shots -- buildings,
> people, whatever. The occasional portrait of family or friends.
>
> I quite like the look I get from, say Pan-F+, but I would like an
> extra stop or two of speed as I find that on dull days I can't really
> shoot Pan-F+ handheld (especially with a filter on the camera).

Of course I cannot see what a dull day is to you, but if the light is flat
and the sky is not in the picture, consider rating the film a half stop
faster and extend development. It might work out for you. You probably won't
need a filter, either. But like I said, I can't see the case at hand. (I'm
imaging the work I did in Oxford, England. A lot of stone structures,
people, bright overcast.) Keep in mind that with objects close to infinity,
shooting just one or two stops down from wide-open usually achieves better
outcomes than stopping further. Handheld 35mm becomes more possible.

> So the film recommendation would mostly be for a film used in a 35mm
> camera -- both a rangefinder and an old SLR.

For APX100 in 35mm I would look to D76 1 instead of Rodinal.
Matthew McGrattan - 29 Mar 2005 17:35 GMT
>> I just shoot for myself mostly. Walking around shots -- buildings,
>> people, whatever. The occasional portrait of family or friends.
[quoted text clipped - 16 lines]
>
>For APX100 in 35mm I would look to D76 1 instead of Rodinal.

yeah, I'm shooting in Oxford so it's the sort of thing you are
thinking off. Bright overcast, with occasional dark and rainy.

This sort of thing:

http://www.mcgrattan.f2s.com/images/table_tennis.jpg

or

http://www.mcgrattan.f2s.com/images/logic_lane.jpg

or

http://www.mcgrattan.f2s.com/images/cornfield_radley.jpg

These are all using faster (400) or slower (50) films.

I quite often have a red or orange filter on the camera so with iso 50
film that can mean an effective speed of as little as iso 12.5 --
which is hand holdable when the light is good but when it's dull I
have to open the camera right up.

So, a 100 iso film OR a 400 under-rated a bit to 200 or 320 is what
I'm looking for.

Matt
Neal - 29 Mar 2005 18:05 GMT
>http://www.mcgrattan.f2s.com/images/table_tennis.jpg

nice picture.  
jjs - 29 Mar 2005 18:05 GMT
> yeah, I'm shooting in Oxford so it's the sort of thing you are
> thinking off. Bright overcast, with occasional dark and rainy.

What a strange coincidence!

> This sort of thing:
>
> http://www.mcgrattan.f2s.com/images/table_tennis.jpg

Contrasty condition. I'd rate APX in Rodinal at 50 (incident) in that case.

> or
>
> http://www.mcgrattan.f2s.com/images/logic_lane.jpg

Similar - the sky is blasting bright - typical bright overcast. You can't
filter that sky into the scene.

> I quite often have a red or orange filter on the camera so with iso 50
> film that can mean an effective speed of as little as iso 12.5 --
> which is hand holdable when the light is good but when it's dull I
> have to open the camera right up.

FWIW, those filters do nothing whatsoever for the sky when it is heavily
overcast - because there is no blue area to filter out. And red filters tend
to increase overall contrast.

> So, a 100 iso film OR a 400 under-rated a bit to 200 or 320 is what
> I'm looking for.

:) Try going to a milder filter or none for bright overcast.

> http://www.mcgrattan.f2s.com/images/cornfield_radley.jpg

I like the selective focus. Works very nicely.

Have a pint at the Turf Tavern for me, eh?
Matthew McGrattan - 29 Mar 2005 18:12 GMT
>> http://www.mcgrattan.f2s.com/images/cornfield_radley.jpg
>
>I like the selective focus. Works very nicely.
>
>Have a pint at the Turf Tavern for me, eh?

Speaking of the Turf Tavern:

http://www.mcgrattan.f2s.com/images/lamp.jpg
jjs - 30 Mar 2005 02:52 GMT
>>> http://www.mcgrattan.f2s.com/images/cornfield_radley.jpg
>>
[quoted text clipped - 5 lines]
>
> http://www.mcgrattan.f2s.com/images/lamp.jpg

You cannot know how lonely that image makes me feel, even if I do not recall
the lamp in particular. I miss the Oxford I knew back then. Don't ask when
'then' was, please. :)

Best,
jjs
Peter De Smidt - 30 Mar 2005 05:49 GMT
>  And red filters tend
> to increase overall contrast.

They do with most films, but not with TMX or TMY. With them a red filter
decreases contrast, as David Kachel noticed (and wrote about) in the
early 1990s.

-Peter
www.desmidt.net
jjs - 30 Mar 2005 14:56 GMT
>>  And red filters tend to increase overall contrast.

> They do with most films, but not with TMX or TMY. With them a red filter
> decreases contrast, as David Kachel noticed (and wrote about) in the early
> 1990s.

Has the formula for TMX or TMY changed since then?
Peter De Smidt - 30 Mar 2005 17:40 GMT
Peter De Smidt wrote:

>>They do with most films, but not with TMX or TMY. With them a red filter
>>decreases contrast, as David Kachel noticed (and wrote about) in the early
>>1990s.
>
> Has the formula for TMX or TMY changed since then?

I can't answer that. What I can say is that I ran tests to verify
Kachel's results a couple of years ago, and I got the same results that
he did.  Since then, I haven't noticed any surprising results when I use
filters with TMX, but I don't use them all that often.

Getting back to the TMX/APX question. Both are nice, but very different,
films. The original poster should first decide how big he wants his
final prints to be. Then he should figure out his optimal
exposure/development combination with both films. Finally, he should
make enlargements to his prefered size and compare prints. There really
isn't any shortcut to this type of testing.

To relate some of my own experience, I used a bit of APX in 35mm a
number of years ago. I developed in Xtol and PMK. Prints at 8x10 turned
out nicely with fairly large but pleasing grain.  My "White Begonia"
picture on my site was taken with APX100. It's under the "miscellaneous"
section.

In 4x5 I use TMX exclusively, mainly because it comes in readyloads.
Other than wishing for more film speed, I have no complaints.

-Peter De Smidt
www.desmidt.net
Matthew McGrattan - 30 Mar 2005 17:48 GMT
>Peter De Smidt wrote:
>>
[quoted text clipped - 21 lines]
>picture on my site was taken with APX100. It's under the "miscellaneous"
>section.

I'll primarily be shooting 35mm and the negatives will mostly be
scanned for web-use. Negs I really like will be printed but not by me
-- I'll either use a lab for 8 x 10 size prints or will use the scans
to digitally print smaller 5x7 type prints if it's something I maybe
want to pop in an envelope to send to a friend or family member.

I don't imagine I'll often need prints bigger than 8 x 10 but I will
definitely want to be able to print at 8 x10 (and smaller).

I don't mind a bit of grain as long it has a nice 'look'.

Matt
Peter De Smidt - 30 Mar 2005 19:37 GMT
 > I'll primarily be shooting 35mm and the negatives will mostly be
> scanned for web-use.

<snip>

> I don't mind a bit of grain as long it has a nice 'look'.

Hi Matt,

In my limited experience, scanning BW film makes the grain of the film
significantly more noticable than if the negative is printed normally.
Hence you might want to stick with a fine-grained film and use D76 or
Xtol as the developer. You might also experiment with developing
somewhat less than for standard silver printing. Paul Butzi has some
comments on this which you can read at www.butzi.net. Look under the
'articles' section.

You might also consider Ilford XP2 Super film, which scans very well in
my experience, plus at EI 200 it's very fine grained.

-Peter
www.desmidt.net
Dana H. Myers - 30 Mar 2005 23:21 GMT
> In my limited experience, scanning BW film makes the grain of the film
> significantly more noticable than if the negative is printed normally.

I believe this is primarily due to Callier effect and
can be influenced mostly the same way as if you're
working with a point-source enlarger.

> Hence you might want to stick with a fine-grained film and use D76 or
> Xtol as the developer. You might also experiment with developing
> somewhat less than for standard silver printing.

Precisely.

I've found that TMX typically scans well when processed
for a condensor enlarger (on the order of 10-15% less
development time than for a diffusion enlarger).

However, if you're intent on scanning B&W negs, I'd
seriously consider starting with T400CN (EI 320) or
XP2 Super (EI 200).  These two films are different
from each other in that XP2 Super has quite a bit
more shoulder.  Depending on your scanner's density
range, the more-shouldered XP2 might constrain
highlights and make it easier to pull detail out
in post-scan processing.

Dana
jjs - 31 Mar 2005 01:57 GMT
> In my limited experience, scanning BW film makes the grain of the film
> significantly more noticable than if the negative is printed normally.

That is a significant observation. The enlarger/lens diminishes resolution.
It is a fact of physics. However, we have some issues. For example, is the
scanner introducing noise that simply looks like grain? Probably. Does the
enlarger 'smooth out' the grain? Certainly.
Matthew McGrattan - 31 Mar 2005 11:41 GMT
>  > I'll primarily be shooting 35mm and the negatives will mostly be
>> scanned for web-use.
[quoted text clipped - 15 lines]
>You might also consider Ilford XP2 Super film, which scans very well in
>my experience, plus at EI 200 it's very fine grained.

I use XP-2 quite a bit, I also really like the Fuji Neopan 400CN which
I've found to be slightly better than XP-2  [although i gather both
are made by Ilford]. Both scan really nicely.

The move to using more traditional rather than C-41 process films is
partly for reasons of cost - I can buy a roll of traditional black and
white film AND process it myself for about 50% of the cheapest
processing I can get for the XP-2 and that doesn't include the cost of
the XP-2 itself.[although the processing on the XP-2 would include 6x4
prints].

If I am shooting and just messing around experimenting then it's
cheaper to develop myself and scan -- and if anything comes out well
pay for a print for just that single image.

Another reason for using non-C-41 film is that there's a much wider
variety of speeds availabe -- from iso 25 all the way through to 3200.

I still use the C-41 films a fair bit and if I am shooting a roll
where I expect to have a lot of prints for family, or similar, then
I'd just use XP2.

Matt
Nicholas O. Lindan - 29 Mar 2005 23:29 GMT
> TMax-100 or APX-100?  Rodinal?
> I use 6x6 a fair bit in a TLR but the stuff I develop myself -- which
> is a relatively new thing for me -- is 35mm.

I like to make [or at the least have the option to make] 20x24's
from 35mm, so YMWV.

In 35 I use TMax-100 and Microdol 1:1.  Microdol FS produces almost
no grain but TMax doesn't have the resolving power to take advantage of it.
At 1:1 Microdol gives a very fine, sharp and even grain that is about
right for the film's resolving power.

APX-100 and Rodinal has a definite 'bite' to it: lots of very
sharp grain; the look doesn't really complement any subject matter,
IMO.  At 6x6 & up it is a nice combo.

Try a roll of each ... doesn't cost much.

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Peter Irwin - 29 Mar 2005 17:25 GMT
> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
> asa films so I'm not that familiar with the various options at 100.
>
> Would people recommend Tmax 100 or Agfa APX at the same speed?

I like both films. I use Tmax-100 for 6x6 when I want really
fine grain. Until I tried Xtol 1:1, I wasn't very happy with
the low apparent sharpness despite the obviously high resolution and
fine grain.

APX 100 does not have particularly fine grain for its speed.
I've bought quite a bit of it because it is cheaper than its competitors
in Canadian stores.

> I'll probably be using Rodinal initially but I'm open to other
> developer suggestions.

I'd strongly suggest Xtol for TMX.  

> Any other 100 asa brand that people like -- some of the smaller ones
> like Foma, Efke or Maco?

Maco PO-100 is amazing stuff. It is orthochromatic (insensitive to red)
and very fine grained. You have to be extra-careful with the temperature
of your wash water because it will reticulate. The back coating seems
more sensitive to warm washing water than the emulsion side.

Lucky SHD-100 is also worth a try. It is surprisingly fine grained
for a communist film. It also comes in really good quality re-usable
cartridges.

Peter.
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Frank Pittel - 29 Mar 2005 23:18 GMT
: I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
: asa films so I'm not that familiar with the various options at 100.

: Would people recommend Tmax 100 or Agfa APX at the same speed?

: I'll probably be using Rodinal initially but I'm open to other
: developer suggestions.

: Any other 100 asa brand that people like -- some of the smaller ones
: like Foma, Efke or Maco?

I like Tmax-100 developed in either Tmax(roll film) or Tmax-rs(sheet film).
I dilute 1:9 and develop at 75F

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Dana H. Myers - 30 Mar 2005 05:30 GMT
> I'm about to order some 100 asa film -- I usually shoot 400 asa or 50
> asa films so I'm not that familiar with the various options at 100.
>
> Would people recommend Tmax 100 or Agfa APX at the same speed?

It sure depends on the look you want, and what you're accustomed
to when printing negs.  I'd say shoot a roll or two of each and
see which one you get along with better.  You're thinking of 35mm?

Odds are you'll find the APX100 negs easier to print than TMX
if you've never worked with TMax of any kind.

> I'll probably be using Rodinal initially but I'm open to other
> developer suggestions.

I'd suggest D-76 1:1 for your initial experiments.  If you're
not going to do a speed test, then you probably want to bracket
exposures between EI 80 and EI 100.

If you soup TMX in Rodinal, I believe you'll want to
bracket between EI 64 and EI 80.

I've never worked with APX100 in Rodinal.

Dana
Keith. Tapscott. - 30 Mar 2005 17:27 GMT
Try both of these films and a few others as well, such as FP4+, Delta 100
and Neopan 100 Acros and see which one you prefer, and then make it your
regular film.
 
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