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Photo Forum / Film Photography / 35 mm / October 2006

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Have You Gone Digital Yet?

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jeremy - 18 Sep 2006 20:41 GMT
An interesting comment, quoted from a web site:

"The question "have you gone digital yet?" is a presumptuous fallacy is
pushed by camera stores and camera makers, since they make big bucks when
you buy a digital camera that you'll want to replace in a few years.

"Going digital" is by no means inevitable or even desirable.

Digital does not replace your film camera for many kinds of fine art. Even
today your dad's 20 year old Canon AE-1 can make technically better images
than any digital camera. The Canon AE-1 is about the same as a 20 megapixel
camera. The AE-1 Program is about the same as a 25 megapixel camera,
presuming you are using Canon brand lenses."
Scott W - 18 Sep 2006 21:21 GMT
> An interesting comment, quoted from a web site:
>
[quoted text clipped - 9 lines]
> camera. The AE-1 Program is about the same as a 25 megapixel camera,
> presuming you are using Canon brand lenses."
A 35mm film camera does not even come close to a 20 MP digital camera,
it has a hard time matching a 8 MP camera.

I know you scan your film, show me your 20MP image that you believe is
the same as a 20MP digital. For reference here is a 21 MP digital
camera image.

http://www.pbase.com/konascott/image/67082645/original

This is the same image size you would get from scanning 35mm film at
4000 ppi.

A lot of people believe that just because they can get X number of
pixels from a scan that the scanned image is the same as having a
digital camera of the same number of pixels, this is just not true.

Scott
Mark² - 19 Sep 2006 05:58 GMT
>> An interesting comment, quoted from a web site:
>>
[quoted text clipped - 19 lines]
>
> http://www.pbase.com/konascott/image/67082645/original

Well put.
-Additional verbage snipped--since the image does your talking for you...
:)
What captured this?

Signature

Images (Plus Snaps & Grabs) by Mark² at:
       www.pbase.com/markuson

Scott W - 19 Sep 2006 06:07 GMT
/67082645/original

> Well put.
> -Additional verbage snipped--since the image does your talking for you...
> :)
> What captured this?

It was stitched from a number of images from the 350D.  The point is of
course it is what a 21 MP digital camera would produce, I just could
not get all the pixels at the same time.  In fact if you scaled up teh
350D sensor to full frame it would be very close to 21MP.  And since
the lens I was using was the 50mm f/1.8 (A full frame lens) I could use
the same lens.

Scott
Mark² - 19 Sep 2006 06:07 GMT
>  /67082645/original
>>
[quoted text clipped - 9 lines]
> since the lens I was using was the 50mm f/1.8 (A full frame lens) I
> could use the same lens.

The only quibble here would be that you didn't strain your lens as much as a
21MP sensor would have...

Signature

Images (Plus Snaps & Grabs) by Mark² at:
       www.pbase.com/markuson

Scott W - 19 Sep 2006 06:14 GMT
> >  /67082645/original
> >>
[quoted text clipped - 12 lines]
> The only quibble here would be that you didn't strain your lens as much as a
> 21MP sensor would have...
It would because a 21MP FF sensor would have the same pixels size, just
a bigger area.  Think of the 350D cropping out the center 39% of the
pixels, all I did was add the other pixels using stitching instead of
having them there all at once.

Scott
Mark² - 19 Sep 2006 06:22 GMT
>>>  /67082645/original
>>>>
[quoted text clipped - 16 lines]
> the pixels, all I did was add the other pixels using stitching
> instead of having them there all at once.

Any time you don't have to rely on the outer edges of your lens, you're
going to gain some advantage...

Again--It's only a minor quibble.  Your point is still well-made...
Signature

Images (Plus Snaps & Grabs) by Mark² at:
       www.pbase.com/markuson

Stefan Patric - 19 Sep 2006 08:31 GMT
>> An interesting comment, quoted from a web site:
>>
[quoted text clipped - 26 lines]
>
> Scott

Here we ago, again, the BIG error in the  which is better, film or digital
war: Scanning the film.  Any advantage film would have over digital is
negated by the scanning process even with a 4000 ppi scan.  If you want a
true evaluation, make 20X enlarged silver prints straight out of the
cameras (film and full frame digital -- same lens on both) correcting only
for color and overall density.  No Photoshoping of the digital image
permitted.  Only what can be set in the camera permitted. Compare.  Then
make a second print of the digital image, the best you can make, using any
technique or process you desire. And do the same with film: glass, oil
carrier; vacuum easel, point light source, Apo enlarging lens, custom
burned and dodged, pull out all the stops. Compare.  Then you'll
know.

As far as what megapixels equals film, this is the algorithm I find
reasonable to make a estimate.  A good 35mm lens resolves about 55 lppm
(A great one does 75 or more) under "average" contrast lighting or 110
lines/dots/pixels per millimeter. In a 24 x 36mm 35mm frame this would be
about (110 * 24) * (110 * 36) = 10.45 megapixels/dots/lines.  Lets just
round it up to 11 to make calculations easy. But this is for gray scale
images only. For true color you'd need three of these sensors, one each
for Red, Green and Blue of this resolution. Or in the case of a Bayer type
sensor that is mostly used in digital cameras, you need 11 for Green, and
half of that -- 5.5 -- each for Red and Blue or a 22 megapixel.  And this
is just for an "good" lens.

Now, this is by no means definitive.  There are many other factors that
come into play with a real sensor, the digital process as well as the film
process. This is only a rough estimate of equivalence, but it's good
enough for photographers.  However, it's not for engineers and digital
fanatics.

Stef
Raphael Bustin - 19 Sep 2006 13:49 GMT
>Here we ago, again, the BIG error in the  which is better, film or digital
>war: Scanning the film.  Any advantage film would have over digital is
[quoted text clipped - 8 lines]
>burned and dodged, pull out all the stops. Compare.  Then you'll
>know.

Over on RPE-MF I've been trying to get that comparison done
for years, and haven't found any takers.

You'll see my own examples and case studies on this very
issue here: <http://www.terrapinphoto.com/jmdavis/>
... about 3/4 of the way down the page (under the
header "Scanned Film vs. Scanned Optical Print."

In short:  I've found that well-scanned film loses *nothing*
compared to a good optical print.  If your results diverge
from my own (on the URL above) I'd sure like to see them.

The fact of the matter is that real detail in film, beyond 2500
dpi or so, is exceedingly rare.  Oh, sure, it can be shown in
the lab.  But it takes excellent gear, excellent technique,
excellent film, excellent lighting.

Digital capture is another story.  How can it *not* be
advantageous to skip one optical transformation
altogether?

rafe b
www.terrapinphoto.com
Nicholas O. Lindan - 19 Sep 2006 16:22 GMT
> ... real detail in film, beyond 2500
> dpi or so, is exceedingly rare ...
> it takes excellent gear, excellent technique,
> excellent film, excellent lighting ...

That's the whole fun of it.  Doing it better gets
better results.

Doesn't matter how you plug the USB cable into the
camera, the pictures come out the same.

Silver is like playing a violin; digital is like
playing a CD of someone playing a violin.  (Wow,
that was over the top.)

Signature

Nicholas O. Lindan, Cleveland, Ohio
Darkroom Automation
http://www.nolindan.com/da/index.htm
n o lindan at ix dot netcom dot com

Chris Loffredo - 19 Sep 2006 16:33 GMT
>> ... real detail in film, beyond 2500
>> dpi or so, is exceedingly rare ...
[quoted text clipped - 10 lines]
> playing a CD of someone playing a violin.  (Wow,
> that was over the top.)

No! No!!!
You got it all wrong:

Film is like playing a violin; digital is like playing a violin using
your computer keyboard & your soundcard's MIDI output...
Toni Nikkanen - 19 Sep 2006 17:56 GMT
> Doesn't matter how you plug the USB cable into the
> camera, the pictures come out the same.

Actually, you still need good lenses, good technique, good
lighting etc.
Philip Homburg - 04 Oct 2006 16:31 GMT
>You'll see my own examples and case studies on this very
>issue here: <http://www.terrapinphoto.com/jmdavis/>
[quoted text clipped - 4 lines]
>compared to a good optical print.  If your results diverge
>from my own (on the URL above) I'd sure like to see them.

I agree with that. I don't know good the print is that I got, but there
is no big difference between the print and a 4000 dpi scan.

See:
<http://misc.hq.phicoh.net/print-scan/>

Signature

That was it. Done. The faulty Monk was turned out into the desert where it
could believe what it liked, including the idea that it had been hard done
by. It was allowed to keep its horse, since horses were so cheap to make.
    -- Douglas Adams in Dirk Gently's Holistic Detective Agency

Scott W - 04 Oct 2006 17:00 GMT
> >You'll see my own examples and case studies on this very
> >issue here: <http://www.terrapinphoto.com/jmdavis/>
[quoted text clipped - 10 lines]
> See:
> <http://misc.hq.phicoh.net/print-scan/>

That is one very soft photo, not really a good test of either scanning
or printing.
I don't think there is any image detail past 1000 ppi in the negative.

Scott
Philip Homburg - 04 Oct 2006 17:19 GMT
>> See:
>> <http://misc.hq.phicoh.net/print-scan/>
>
>That is one very soft photo, not really a good test of either scanning
>or printing.
>I don't think there is any image detail past 1000 ppi in the negative.

Did you take into account that the resolution in those images corresponds
to 6000 dpi?

Signature

That was it. Done. The faulty Monk was turned out into the desert where it
could believe what it liked, including the idea that it had been hard done
by. It was allowed to keep its horse, since horses were so cheap to make.
    -- Douglas Adams in Dirk Gently's Holistic Detective Agency

Scott W - 04 Oct 2006 17:42 GMT
> >> See:
> >> <http://misc.hq.phicoh.net/print-scan/>
[quoted text clipped - 5 lines]
> Did you take into account that the resolution in those images corresponds
> to 6000 dpi?
Missed that part, still even taking that into account the image is
pretty soft.
But now I would say that is no image detail past 1500 ppi.

Scott
Philip Homburg - 04 Oct 2006 18:10 GMT
>But now I would say that is no image detail past 1500 ppi.

I did a 0.25x/4x resize (on the ls4000.jpg), and I'd say that some small
details in the eye got lost.

A factor of 3 still gives very small differences. A factor of two is
essentially a nop (as far as image details are concerned).

Signature

That was it. Done. The faulty Monk was turned out into the desert where it
could believe what it liked, including the idea that it had been hard done
by. It was allowed to keep its horse, since horses were so cheap to make.
    -- Douglas Adams in Dirk Gently's Holistic Detective Agency

Scott W - 04 Oct 2006 19:02 GMT
> >But now I would say that is no image detail past 1500 ppi.
>
> I did a 0.25x/4x resize (on the ls4000.jpg), and I'd say that some small
> details in the eye got lost.

In trying this I can't pick out any detail that is lost in the resample
version compared
the original.  The smoothing of the grain does make the image look
softer but in looking
for hair that I could see in the original and not in the resample image
I could not find any.

The scanner clearly is resolving pretty good because the scratch looks
way softer in the resample version.

I find it interesting that I believe I can make out some of the blood
vessels in the resample image better then the original, the smoothing
of the grain seems to help make them more visible.  

Scott
Scott W - 04 Oct 2006 17:42 GMT
> >> See:
> >> <http://misc.hq.phicoh.net/print-scan/>
[quoted text clipped - 5 lines]
> Did you take into account that the resolution in those images corresponds
> to 6000 dpi?
Missed that part, still even taking that into account the image is
pretty soft.
But now I would say that is no image detail past 1500 ppi.

Scott
William Graham - 04 Oct 2006 19:30 GMT
>> >You'll see my own examples and case studies on this very
>> >issue here: <http://www.terrapinphoto.com/jmdavis/>
[quoted text clipped - 16 lines]
>
> Scott

The only way I have to look at these things is on my computer monitor, which
appears to be roughly 300 dpi. From my understanding of good quality inkjet
printers, they aren't much better either, although I don't yet own one of
these. So, I don't know how one would be able to tell the difference between
a good digital image and a well scanned (4000 dpi) piece of film. Certainly,
most of my scans are at about 1250 dpi, and they look perfectly good to
me.....When I want to blow up a small object in the background on one of my
slides, I will scan at higher resolution, but it still looks pretty bad on
my computer monitor, so I really don't gain anything by scanning at 1800 or
2500 dpi. and I lose a lot of time doing it. 5400 dpi takes forever, and I
haven't yet seen anything that it helped.......
Scott W - 04 Oct 2006 19:52 GMT
> The only way I have to look at these things is on my computer monitor, which
> appears to be roughly 300 dpi. From my understanding of good quality inkjet
[quoted text clipped - 7 lines]
> 2500 dpi. and I lose a lot of time doing it. 5400 dpi takes forever, and I
> haven't yet seen anything that it helped.......

Your computer monitor will be in the range of 70 to 90 ppi.
If you want to get an idea of how something might look printed at say
300 ppi then
you can stand back and get a pretty good idea.  Let's say you normally
view a photo at a distance of 12 inches, then when viewed on the
computer can can get a good idea of what it will look like by viewing
it at 3 to 4 feet depending on your monitor.

Getting anything thing worthwhile past 2000 ppi with color film is very
hard.

But getting back to the original question of optical prints vs. scanned
negatives. To really test this a very sharp negative would be needed, I
would think a high resolution BW photo.

We have sample of what a scanner can do with a very high resolution
image and it is pretty amazing.

This is a scan 4000 ppi that Max Perl did using Gigibit film.
http://www.terrapinphoto.com/jmdavis/Tobermory_SH_crop_1000.jpg.

Scott
William Graham - 04 Oct 2006 22:06 GMT
>> The only way I have to look at these things is on my computer monitor,
>> which
[quoted text clipped - 38 lines]
>
> Scott

Yes. I've seen that photo before...(It was posted several months ago) - It
is really amazing.....This is just a small piece of the original. You can
read the license plates on those parked cars. I seldom get anything that
good, because most of my outside pictures are taken hand held, and even when
one isn't, I don't document them well enough to remember which ones I took
from a tripod. I shouldn't have bought that 5400 dpi scanner....The older
2500 dpi model would have been perfectly good for my purposes, but you know
how it is.....You, (or me, anyway) always go for the best I can get, on the
off chance that I won't be happy with anything less......
Thomas T. Veldhouse - 18 Sep 2006 21:31 GMT
> An interesting comment, quoted from a web site:
>
[quoted text clipped - 9 lines]
> camera. The AE-1 Program is about the same as a 25 megapixel camera,
> presuming you are using Canon brand lenses."

I haven't a clue where the megapixel equivalents are coming from.  Just about
all 35mm SLR cameras should all be equivalent to the same megapixel count,
whatever that would be.  What would change equivalent megapixel values would
be the film and the resolution of the lens [and use of a tripod].

In short, it is completely bogus to say the Canon AE-1 is equivalent to a 20MP
camera and that, in the same paragraph, say tha the Canon AE-1 Program is
somehow better and equivalent to a 25MP camera.

Signature

Thomas T. Veldhouse
Key Fingerprint: 2DB9 813F F510 82C2 E1AE  34D0 D69D 1EDC D5EC AED1

ColinD - 19 Sep 2006 00:06 GMT
> An interesting comment, quoted from a web site:
>
[quoted text clipped - 9 lines]
> camera. The AE-1 Program is about the same as a 25 megapixel camera,
> presuming you are using Canon brand lenses."

Simmer down, Jeremy.  Since about 90% of digital cameras are point and
shoots, in the hands of simple snapshotters, that's where the sales
massage is aimed - not at true amateurs or knowledgeable users.  It's
just a sales pitch, nothing to do whatsoever with the relative merits of
film vs. digital

But, your film-oriented bias is apparent for all to see, so you will get
plenty of dissenters for your post.

Colin D.

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Posted via a free Usenet account from http://www.teranews.com

jeremy - 19 Sep 2006 00:44 GMT
> But, your film-oriented bias is apparent for all to see, so you will get
> plenty of dissenters for your post.

And you will note that I did post it in  film-oriented newsgroup.
ColinD - 19 Sep 2006 09:40 GMT
>> But, your film-oriented bias is apparent for all to see, so you will get
>> plenty of dissenters for your post.
>
> And you will note that I did post it in  film-oriented newsgroup.

That's a moot point, Jeremy, oft discussed, and cussed, by inhabitants
of r.p.e.35mm.  Nowhere in the group name or charter does it say that
this is a film group - it is a 35mm equipment group, and as almost all
dslrs have lineage directly back to 35mm film cameras, and use the same
lenses etc., they are on topic.  End of story.

Colin D.

PS:  But it's better here than in r.p.digital groups, I guess {:-)

Colin D.

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Doug McDonald - 19 Sep 2006 15:51 GMT
>> But, your film-oriented bias is apparent for all to see, so you will get
>> plenty of dissenters for your post.
>
> And you will note that I did post it in  film-oriented newsgroup.

And, to be fair, he did use the phrase "fine art". That
sounds so, well, condescending, but ...

There **IS** large format. No large format digital yet (
modulo of course the recent thread on combining 16 or 64
digital images in a montage!)

There **IS** B&W film grain as art.

Etc.

But, fact is, digital is superior, all other things being
equal (Except price ... digital still costs more for
"fine art quality" whatever that might be.)

Doug McDonald
jeremy - 19 Sep 2006 17:04 GMT
>>> But, your film-oriented bias is apparent for all to see, so you will get
>>> plenty of dissenters for your post.
[quoted text clipped - 3 lines]
> And, to be fair, he did use the phrase "fine art". That sounds so, well,
> condescending, but ...

The point was that film does have its merits, that there really is no
presumption that "everyone" will abandon film and "upgrade" to digital, and
that for some people, digital image capture was much more expensive relative
to film.

This was not meant to be a "my way is better than your way," argument,
although a few people were all too eager to turn it into a debate.

Sheesh!  Is it even possible to put some ideas onto the table for
consideration and discussion without turning it into a fight?
Scott W - 19 Sep 2006 17:39 GMT
> The point was that film does have its merits, that there really is
no
> presumption that "everyone" will abandon film and "upgrade" to digital, and
> that for some people, digital image capture was much more expensive relative
[quoted text clipped - 5 lines]
> Sheesh!  Is it even possible to put some ideas onto the table for
> consideration and discussion without turning it into a fight?
You quote and idiot and then wonder that people take issue with what he
said?

Note that in the quote you feed us there was no talk about cost, just
that your film camera was like having a 25MP digital.  At statment like
this needs something to back it up, like an image maybe?

Scott
Floyd L. Davidson - 19 Sep 2006 17:59 GMT
>The point was that film does have its merits, that there really is no
>presumption that "everyone" will abandon film and "upgrade" to digital, and
>that for some people, digital image capture was much more expensive relative
>to film.

Film may well its merits, but lower cost for image capture is
*not* one of them.

If you buy a top of the line camera and never use it, then
digital is more expensive than film.  If a camera is put to
work, it takes only a relatively short time to pay for the
digital camera with the *zero* cost of digital image capture
compared to buying and processing film.

Signature

Floyd L. Davidson            <http://www.apaflo.com/floyd_davidson>
Ukpeagvik (Barrow, Alaska)                         floyd@apaflo.com

jeremy - 19 Sep 2006 19:02 GMT
>>The point was that film does have its merits, that there really is no
>>presumption that "everyone" will abandon film and "upgrade" to digital,
[quoted text clipped - 11 lines]
> digital camera with the *zero* cost of digital image capture
> compared to buying and processing film.

Agree 101%.

Digital does encourage people to take lots and lots of shots.

Whether most of those shots have any value is another question entirely.  I
have found that my best work is done when I take my time, set up the shot,
use a tripod, think about how to compose the scene to best achieve what I
want, not in taking rapid-fire snaps and hoping that a couple of them turn
out well.

When I shoot with the digital, the tendency is to just fire away.  It is
just so easy to do it, it becomes seductive.

Whether the experience gained from shooting lots of relatively-thoughtless
shots is worth it is something each person must decide for himself.
Obviously, I am of the opinion that volume of images taken has done nothing
to improve my work.  Your mileage may vary.

The cost of film, processing and the transportation can be the major factor
in deciding when to make the change.  For those of us that shoot in the 50
rolls/year range, the financial incentive to migrate isn't all that
compelling.  But I can't argue with anybody that doesn't want to keep paying
for film and processing.
rafe b - 19 Sep 2006 19:45 GMT
> Whether the experience gained from shooting lots of relatively-thoughtless
> shots is worth it is something each person must decide for himself.
[quoted text clipped - 6 lines]
> compelling.  But I can't argue with anybody that doesn't want to keep
> paying for film and processing.

Places that have yielded good images for me tend to be visited
more than once.  At least the ones within a few hours' drive.

On my first visit I tend to travel light, and the 10D (DSLR) is
my favorite for that.  If the place warrants a 2nd or 3rd visit,
that's when I bring along the "serious" gear -- the MF or LF kit.

Digital capture encourages experimentation.  If that's coupled
with some thoughtful review and editing (back at the ranch) then
it can be a means of growing and honing skills.

I'm not impressed by those who brag that they've taken 15,000
images in the last month with their newest digicam.  OTOH,
when I'm shooting with a DSLR, I tend to be more shutter-
happy than when I'm shooting film.  And why not?  There's
no real cost to pushing the shutter.

rafe b
www.terrapinphoto.com
Walter Banks - 19 Sep 2006 22:49 GMT
The single most important thing that digital has done for me is provided instant
feedback on the images I have just taken either through the camera's LCD review
or the almost instant computer displays.

Through the digital camera's LCD displays there is instant feedback that allows
both critical review and often the ability to recompose and shoot again. This
feature alone taught me more about taking pictures than 30+ years of film
camera's most of it with SLR's. The image count may be high but it is a low cost
way to get good experience.

I use a DLSR now, my image count is higher than when I used film but not
recklessly so. I have a camera with me essentially all the time, take long walks
on weekends in an interesting wilderness area and take about 400 pictures a
month.

w..

> Digital does encourage people to take lots and lots of shots.
Chris Loffredo - 19 Sep 2006 16:45 GMT
>> An interesting comment, quoted from a web site:
>>
[quoted text clipped - 18 lines]
>
> But, your film-oriented bias is apparent for all to see

How awful!

I think that the digital users on this NG should demand an immediate
apology from Jeremy, hold a day of anger and burn some rolls of film!
Scott W - 19 Sep 2006 16:54 GMT
> How awful!
>
> I think that the digital users on this NG should demand an immediate
> apology from Jeremy, hold a day of anger and burn some rolls of film!

Naw, but I think Jeremy should write "I will not quote Ken Rockwell
again" 100 times.

Scott
Chris Loffredo - 19 Sep 2006 17:08 GMT
>  > How awful!
>> I think that the digital users on this NG should demand an immediate
>> apology from Jeremy, hold a day of anger and burn some rolls of film!
>
> Naw, but I think Jeremy should write "I will not quote Ken Rockwell
> again" 100 times.

For once (or twice???) I agree with you!
:-)
Scott W - 19 Sep 2006 17:26 GMT
> >  > How awful!
> >> I think that the digital users on this NG should demand an immediate
[quoted text clipped - 5 lines]
> For once (or twice???) I agree with you!
> :-)
Twice, we both think Bach was better then Mozart.

Scott
Alan Browne - 19 Sep 2006 23:04 GMT
> Twice, we both think Bach was better then Mozart.

You're not comparing racing cars or cameras.

Neither was "better".

Both were peers of a tiny number of the very best.
Scott W - 19 Sep 2006 23:06 GMT
> > Twice, we both think Bach was better then Mozart.
>
[quoted text clipped - 3 lines]
>
> Both were peers of a tiny number of the very best.

Mozart was very good, but Bach was great.

Scott
Jim - 19 Sep 2006 23:35 GMT
>> > Twice, we both think Bach was better then Mozart.
>>
[quoted text clipped - 7 lines]
>
> Scott

Wrong.  Bach was great; Mozart was great.
Jim
Scott W - 19 Sep 2006 23:38 GMT
> >> > Twice, we both think Bach was better then Mozart.
> >>
[quoted text clipped - 10 lines]
> Wrong.  Bach was great; Mozart was great.
> Jim

Ok, maybe Mozart was also great....but Bach was greater yet.

Scott
Frank ess - 20 Sep 2006 00:35 GMT
>>>>> Twice, we both think Bach was better then Mozart.
>>>>
[quoted text clipped - 12 lines]
>
> Ok, maybe Mozart was also great....but Bach was greater yet.

I'll see your greater yet and raise you a greatEST.

(Not my turn; I meant to put my money on J.S. Bach)
Scott W - 19 Sep 2006 23:48 GMT
> >> > Twice, we both think Bach was better then Mozart.
> >>
[quoted text clipped - 10 lines]
> Wrong.  Bach was great; Mozart was great.
> Jim

And just think about this with out Bach's Toccata & Fugue in D minor
what would mad scientist play on the organ late at night?

Scott
Raphael Bustin - 20 Sep 2006 02:29 GMT
>And just think about this with out Bach's Toccata & Fugue in D minor
>what would mad scientist play on the organ late at night?

Too much Neal Stephenson for you, Scott.

rafe b
www.terrapinphoto.com
Alan Browne - 20 Sep 2006 13:53 GMT
>>>Twice, we both think Bach was better then Mozart.
>>
[quoted text clipped - 5 lines]
>
> Mozart was very good, but Bach was great.

Don't be childish.
achilleaslazarides@yahoo.co.uk - 19 Sep 2006 23:40 GMT
> > Twice, we both think Bach was better then Mozart.
>
[quoted text clipped - 3 lines]
>
> Both were peers of a tiny number of the very best.

True, but true in the same sense that "Both Newton and Landau were
members of a tiny group of the very best" is (I exaggerate a bit).
Alan Browne - 20 Sep 2006 13:48 GMT
>>>Twice, we both think Bach was better then Mozart.
>>
[quoted text clipped - 6 lines]
> True, but true in the same sense that "Both Newton and Landau were
> members of a tiny group of the very best" is (I exaggerate a bit).

No.  Newton was and remains the giant of all giants.  Alone.  Einstein,
Hawking and Witten are giants to us, midgets to Newton.

Cheers,
Alan
achilleaslazarides@yahoo.co.uk - 20 Sep 2006 16:30 GMT
> >>Both were peers of a tiny number of the very best.
> >
> > True, but true in the same sense that "Both Newton and Landau were
> > members of a tiny group of the very best" is (I exaggerate a bit).
>
> No.  Newton was and remains the giant of all giants.  Alone.

That was precisely my point. Landau is also a giant: while what he did
isn't mentioned in popular science books (not being cosmology or string
theory; how do you explain why the concept of "order parameter" is
exciting, for example? No baby universes here!), modern physics would
be very different if it hadn't been for him. In fact, to someone like
me it would be almost unrecognisable. Nevertheless, Landau is
recognisably human in his achievements, as opposed to Newton.

Actually, Mozart irritates me (well, his music does) while Landau is
one of my heroes, so I shouldn't really be drawing this analogy, but
there you go.

> Einstein,  Hawking and Witten are giants to us, midgets to Newton.

Let's see who remembers Hawking in 100 years (for what? Hawking
radiation? "A brief history of time"?). I wouldn't even mention those
two in the same sentence as Einstein, frankly. But this isn't the place
to argue about this.
Alan Browne - 21 Sep 2006 00:55 GMT
> Let's see who remembers Hawking in 100 years (for what? Hawking
> radiation? "A brief history of time"?). I wouldn't even mention those
> two in the same sentence as Einstein, frankly. But this isn't the place
> to argue about this.

HR is an astounding physical "trick" that is subject to E=mc^2 yet lets
black holes radiate photons, which seems counter to what a BH "is".  Yet
Einstein would have refuted it as not being possible (as it is also
quantum).  Hawking will definitely be remembered where Landau's
accomplishments are hardly known (to the gen public).  I've heard of him
but had to look him up to even know his  areas of contribution.

ABHOT was a fine vulgarization.  Even I understood most of it.  Sort of.

Cheers,
Alan

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achilleaslazarides@yahoo.co.uk - 21 Sep 2006 01:30 GMT
> > Let's see who remembers Hawking in 100 years (for what? Hawking
> > radiation? "A brief history of time"?). I wouldn't even mention those
[quoted text clipped - 7 lines]
> accomplishments are hardly known (to the gen public).  I've heard of him
> but had to look him up to even know his  areas of contribution.

Well, I must disagree. There are several (not just one) things Landau
did that are far more impressive than Hawking radiation. Hawking has
been one of the central figures of GR/cosmology in the last 30 years,
but Landau more or less shaped huge areas of physics by his work. As I
said, I (and others) would not even recognize most of modern
theoretical physics if Landau's basic ideas somehow had not emerged;
the same cannot be said of Hawking, except perhaps in the area of
GR/cosmology (but I don't know as I am not a specialist).

What the public perceives as most important isn't necessarily so; other
factors come into play.

> ABHOT was a fine vulgarization.  Even I understood most of it.  Sort of.
Raphael Bustin - 19 Sep 2006 00:43 GMT
>An interesting comment, quoted from a web site:
>
[quoted text clipped - 9 lines]
>camera. The AE-1 Program is about the same as a 25 megapixel camera,
>presuming you are using Canon brand lenses."

There are loads of websites and millions of images that lay waste
to such claims.  This is naught but a troll.

rafe b
www.terrapinphoto.com
Frank ess - 19 Sep 2006 01:29 GMT
jeremy wrote:

>> An interesting comment, quoted from a web site:
>>
>> "The question "have you gone digital yet?" is a presumptuous
>> fallacy

An even more interesting comment quoted from "a Web site":

"The question 'Have you quit beating your wife?' is more relevant to
jeremies (people who like to see evidence their writing has appeared
on the computer screens of thousands, and who are otherwise
unconvinced of their own existence) than to any other category of
being."

Signature

Frank ess
"There are some people it is our duty to annoy."
-- Lord Reith

Alan Browne - 19 Sep 2006 01:11 GMT
> than any digital camera. The Canon AE-1 is about the same as a 20 megapixel
> camera. The AE-1 Program is about the same as a 25 megapixel camera,
> presuming you are using Canon brand lenses."

Does the article explain why a film camera body with "Program" improves
the resolution by 20%?

I suggest you get your decisive info from higher quality sources.
Scott W - 19 Sep 2006 01:26 GMT
> > than any digital camera. The Canon AE-1 is about the same as a 20 megapixel
> > camera. The AE-1 Program is about the same as a 25 megapixel camera,
[quoted text clipped - 4 lines]
>
> I suggest you get your decisive info from higher quality sources.

Yup, especially since this is the source
http://www.kenrockwell.com/tech/filmdig.htm

Scott
Alan Browne - 19 Sep 2006 13:10 GMT
>>>than any digital camera. The Canon AE-1 is about the same as a 20 megapixel
>>>camera. The AE-1 Program is about the same as a 25 megapixel camera,
[quoted text clipped - 7 lines]
> Yup, especially since this is the source
> http://www.kenrockwell.com/tech/filmdig.htm

ah yes, the great source of mis-information, Mr. "in-camera JPG is all
you need" himself.
Scott W - 19 Sep 2006 01:23 GMT
> An interesting comment, quoted from a web site:
>
[quoted text clipped - 9 lines]
> camera. The AE-1 Program is about the same as a 25 megapixel camera,
> presuming you are using Canon brand lenses."

I should have known, more crap from Ken Rockwell, and old crap at that.

I should have googled this before.

Scott
Mike - 21 Sep 2006 00:18 GMT
I went medium and large format.  

35mm is not the same as 20-25 megapixels.  With Velvia, maybe 15-18
megapixels.  With 400 ISO color negative film, maybe 4-6 megapixels if you
are lucky.  

I will eventually replace my 35mm shooting with digital.  I don't see
replacing large-format with digital.  

> An interesting comment, quoted from a web site:
>
[quoted text clipped - 9 lines]
> camera. The AE-1 Program is about the same as a 25 megapixel camera,
> presuming you are using Canon brand lenses."
Jim - 26 Oct 2006 03:21 GMT
> An interesting comment, quoted from a web site:
>
[quoted text clipped - 10 lines]
> as a 20 megapixel camera. The AE-1 Program is about the same as a 25
> megapixel camera, presuming you are using Canon brand lenses."

Mixed..  but of course I have no idea why and AE-1 and AE-1P would have
different resolutions with the same lens... same film size, same lens,
same lens to film distance = same resolution.
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jeremy - 26 Oct 2006 18:18 GMT
>> An interesting comment, quoted from a web site:
>>
[quoted text clipped - 13 lines]
> different resolutions with the same lens... same film size, same lens,
> same lens to film distance = same resolution.

I had assumed that the camera models may have come with different lenses,
because there would be no other logical explanation.
 
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