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Photo Forum / Digital Photography / DSLR Cameras / August 2006

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Advice for a flash

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protozoa - 01 Aug 2006 21:58 GMT
Hi,

Recently I bough a Canon D20 camera, but I don't have a flash yet.
Could anybody please, give me an advice what kind of flash to look. I'm
amateour photographer and I don't want to spend soo much money. Which
parameters to look?

Thanks a lot!
Dave - 01 Aug 2006 22:36 GMT
Here you go:

http://photonotes.org/articles/eos-flash/

If you start out with a less powerful flash unit, you'll find that you will
want more  flash (GN) more often than not. If you can swing it, go for a
Canon 580EX. I know it's not cheap, but it will give your 20D a great flash
since it's really designed for the Canon's DSLR's.

Cheers!

> Hi,
>
[quoted text clipped - 4 lines]
>
> Thanks a lot!
Bill - 02 Aug 2006 00:42 GMT
>Recently I bough a Canon D20 camera, but I don't have a flash yet.

Yes you do, the 20D has a built-in flash.

:-)

>Could anybody please, give me an advice what kind of flash to look. I'm
>amateour photographer and I don't want to spend soo much money. Which
>parameters to look?

When buying external flash units, you want as much range as possible,
and a bounce feature. The range is rated as a guide number (GN) in feet
or meters at ISO 100, and typically you want 100 feet or more for decent
power.

The bounce feature is good for getting a more natural lighting on the
subject if you can use a ceiling or wall to bounce and diffuse the
light.

A good flash unit isn't cheap. They have about 10x the power of the
built-in flash, more capability, and faster recycle time, so expect to
pay a few hundred for something like the Canon 430EX.
AaronW - 02 Aug 2006 01:19 GMT
> Recently I bough a Canon D20 camera, but I don't have a flash yet.
> Could anybody please, give me an advice what kind of flash to look. I'm
> amateour photographer and I don't want to spend soo much money. Which
> parameters to look?

Sigma EF 500 DG

http://digitcamera.tripod.com/#flash
Pete D - 02 Aug 2006 21:46 GMT
>> Recently I bough a Canon D20 camera, but I don't have a flash yet.
>> Could anybody please, give me an advice what kind of flash to look. I'm
[quoted text clipped - 4 lines]
>
> http://digitcamera.tripod.com/#flash

Go for the Super, they are a great flash.
AaronW - 02 Aug 2006 23:34 GMT
> >> Recently I bough a Canon D20 camera, but I don't have a flash yet.
> >> Could anybody please, give me an advice what kind of flash to look. I'm
[quoted text clipped - 4 lines]
>
> Go for the Super, they are a great flash.

If you don't need high speed, wireless, etc., the ST is the lowest
priced high power flash, at about $100. The Super about doubles the
price. Is there any difference between the 2 in the basic flash
operations?

The discontinued Canon 550EX is about $100 cheaper than the new Canon
580EX.

http://digitcamera.tripod.com/#flash
Pete D - 07 Aug 2006 21:43 GMT
>> >> Recently I bough a Canon D20 camera, but I don't have a flash yet.
>> >> Could anybody please, give me an advice what kind of flash to look.
[quoted text clipped - 15 lines]
>
> http://digitcamera.tripod.com/#flash

The 550EX would be a good choice as well. The DG Super has off camera remote
capability that I use from time to time and it is a brilliant feature, the
display is also better than the standard unit.
Todd H. - 07 Aug 2006 22:23 GMT
> > Recently I bough a Canon D20 camera, but I don't have a flash yet.
> > Could anybody please, give me an advice what kind of flash to look. I'm
[quoted text clipped - 4 lines]
>
> http://digitcamera.tripod.com/#flash

Search the archives here for a lot of flash talk about the 300D wihch
I believe shares electronics with the D20.  I own a 550EX and I would
second Aaron in suggesting the Sigma in its place.  And I recall
similar advice back when I was griping about my disappointment with
the 300D + 550EX combo.  I'm not terribly happy with the flash
performance of the EOS digitals just yet (in contrast to being
completely pleased with the 540EZ on my film Elan).

In short, I'd like to try a Sigma myself to see if it imprves upon the
550EX+300D tendency to underexpose the shot in P mode.  

Best Regards,
--
Todd H.  
http://www.toddh.net/
Wolfgang Weisselberg - 11 Aug 2006 13:55 GMT
> In short, I'd like to try a Sigma myself to see if it imprves upon the
> 550EX+300D tendency to underexpose the shot in P mode.  

You can set flash exposure comp. on your 550EX, if you want
it to give you more light.

If you intent to use the optical remote capabilities of some of the
EX flashes, test first if they do work correctly with the Sigma.

-Wolfgang
Todd H. - 11 Aug 2006 14:36 GMT
> > In short, I'd like to try a Sigma myself to see if it imprves upon the
> > 550EX+300D tendency to underexpose the shot in P mode.  
>
> You can set flash exposure comp. on your 550EX, if you want
> it to give you more light.

Yes you can, and thank god because I have to shoot at +1 nearly the
whole friggin time.

Of course, depending on the color composition of the scene especially
at the focus point in use during metering, you end up overexposed when
you least want it to.

Compared to the EX flash system on the EOS Elan, no amount of turd
polishing escapes the fact that it's relatively quite a pain in the
a.s to get good, consistent flash exposures on the 550EX + 300D.
http://www.google.com/search?q=eos+flash+underexposed+550eX

I miss being able to not have to think so hard about flash exposures
when pre-focusing and recomposing on the Elan.  Given the algorithm on
the 300D and how strongly it weighs the selected focus point during
exposure, you have to use flash exposure lock consistently if you plan
to get consistently good results, and doing that is quite a pain in
the butt.  

The Sigma flash may be a route to this gentler time.    All I'm saying
is that life with a 550EX, despite the expense,  is not all roses.

Best Regards,
--
Todd H.  
http://www.toddh.net/
Wolfgang Weisselberg - 11 Aug 2006 18:31 GMT
>> > In short, I'd like to try a Sigma myself to see if it imprves upon the
>> > 550EX+300D tendency to underexpose the shot in P mode.  

>> You can set flash exposure comp. on your 550EX, if you want
>> it to give you more light.

> Yes you can, and thank god because I have to shoot at +1 nearly the
> whole friggin time.

Doesn't jibe with my experience.

> Of course, depending on the color composition of the scene especially
> at the focus point in use during metering, you end up overexposed when
> you least want it to.

Using flash is not trivial and must be learned.

> Compared to the EX flash system on the EOS Elan, no amount of turd
> polishing escapes the fact that it's relatively quite a pain in the
> a.s to get good, consistent flash exposures on the 550EX + 300D.
> http://www.google.com/search?q=eos+flash+underexposed+550eX

Have you grokked http://photonotes.org/articles/eos-flash/ ?

Flash photography _is_ an art (i.e. it takes years to learn to do
it well and consistent), and digital doesn't handle overexposure.

You shot print film in your Elan, not slide film, right?
Print film you can over- or underexposure for 2 or 3 stops and
the lab will correct it

> I miss being able to not have to think so hard about flash exposures
> when pre-focusing and recomposing on the Elan.

So use either an 'automatic' flash unit or see if you cannot
custom function your 300D to use average instead of E-TTL.
(Or ubgrade to a model using E-TTL II.)

> Given the algorithm on
> the 300D and how strongly it weighs the selected focus point during
> exposure, you have to use flash exposure lock consistently if you plan
> to get consistently good results, and doing that is quite a pain in
> the butt.  

You can always recompose and then shift your selected focus
point.  (Of course, that means moving AF from the shutter ...

> The Sigma flash may be a route to this gentler time.

It's the camera that tells the flash how much power to dump.
Unless you have an 'automatic' flash unit, which looks like any
old stupid manual flash to the camera.

> All I'm saying
> is that life with a 550EX, despite the expense,  is not all roses.

Ah, but is that the fault of the 550EX, or of the 300D or of E-TTL
(versus average, versuss E-TTL 2) or is pre-focus and recompose
maybe not the best idea (i.e. operator error?)

-Wolfgang
Todd H. - 11 Aug 2006 19:52 GMT
> Have you grokked http://photonotes.org/articles/eos-flash/ ?

Yes.  

> Flash photography _is_ an art (i.e. it takes years to learn to do
> it well and consistent), and digital doesn't handle overexposure.

Things I know.  Been shooting for 20 years now.  :-)

> You shot print film in your Elan, not slide film, right?
> Print film you can over- or underexposure for 2 or 3 stops and
> the lab will correct it.

Shot prints and slides and routinely examined negatives.

But here's another basis of my gripe with 300D+550EX:

       That same 550EX on my much older Canon G2 ... gives
       wonderfully balanced flash pictures, without the chronic
       underexposure.  

> > I miss being able to not have to think so hard about flash
> > exposures when pre-focusing and recomposing on the Elan.
>
> So use either an 'automatic' flash unit or see if you cannot
> custom function your 300D to use average instead of E-TTL.
> (Or ubgrade to a model using E-TTL II.)

Curious, what do you mean by automatic?  

I'm considering a body upgrade because E-TTL seems to not be so hot
at least with this body/flash combo.

> > Given the algorithm on the 300D and how strongly it weighs the
> > selected focus point during exposure, you have to use flash
[quoted text clipped - 3 lines]
> You can always recompose and then shift your selected focus
> point.  (Of course, that means moving AF from the shutter ...

Yes you can -- and what I'm saying is that's a pain in the a.s vs how
it is with my film Elan, or with teh G2.  And using an SLR as advanced
as the ones we're dealing with shouldn't have to be more cumbersome to
achieve a good flash exposure than using the point and shoot G2.

> > The Sigma flash may be a route to this gentler time.
>
> It's the camera that tells the flash how much power to dump.
> Unless you have an 'automatic' flash unit, which looks like any
> old stupid manual flash to the camera.

So can you hazard an explanation why the G2 performs so much better
htan the 300D in telling my 550EX how much power to dump?

> > All I'm saying is that life with a 550EX, despite the expense, is
> > not all roses.
>
> Ah, but is that the fault of the 550EX, or of the 300D or of E-TTL
> (versus average, versuss E-TTL 2) or is pre-focus and recompose
> maybe not the best idea (i.e. operator error?)

Any of these variables can be tweaked to achieve good results.  The
operator can take an extra second every shot and confuse the subjects
with a preflash and using FEL.  The 550EX could be swapped for a Sigma
flash which in other reports I can't currently locate does a much
better job in the face of this chronic underexposure issue with the
550EX,  or maybe E-TTL-II fixes some of this lousiness.  

Which specific component is to blame?  Dunno.  

But my original point to the original poster is "don't count out Sigma
in your choice.  Don't assume the Canon flash will do the best job for
ya."  

Best Regards,
--
Todd H.  
http://www.toddh.net/
Wolfgang Weisselberg - 15 Aug 2006 23:20 GMT
> But here's another basis of my gripe with 300D+550EX:

>         That same 550EX on my much older Canon G2 ... gives
>         wonderfully balanced flash pictures, without the chronic
>         underexposure.  

Then the 550EX is cleared of all fault (and likely any other
system would give the same result) since it's obviously the
300D that causes, ah, conservative exposure.

>> So use either an 'automatic' flash unit or see if you cannot

> Curious, what do you mean by automatic?  

One where the camera simply triggers the flash like any old
manual unit, and the flash has a light-sensitive cell which shuts
off the flash after enough light has been reflected into it.

> I'm considering a body upgrade because E-TTL seems to not be so hot
> at least with this body/flash combo.

E-TTL is a bt ... problematic, I hear.  E-TTL II is said to
be much better.  Do rent a 350D or 20D or 30D over a weekend
and try if the flash results are better, then you know for
certain and have, at worst, spent much less than buying a
body blindly.

(OTOH, some claim that the Nikon flash system is the best
thing since sliced bread.)

>> You can always recompose and then shift your selected focus
>> point.  (Of course, that means moving AF from the shutter ...

> Yes you can -- and what I'm saying is that's a pain in the a.s vs how
> it is with my film Elan, or with teh G2.  And using an SLR as advanced
> as the ones we're dealing with shouldn't have to be more cumbersome to
> achieve a good flash exposure than using the point and shoot G2.

Remember that the 300D is the cheapest DSLR there was at the
time.

> So can you hazard an explanation why the G2 performs so much better
> htan the 300D in telling my 550EX how much power to dump?

Maybe because the 300D is set to be conservative, and the G2
isn't and you don't like the conservative setting?

> But my original point to the original poster is "don't count out Sigma
> in your choice.  Don't assume the Canon flash will do the best job for
> ya."  

I don't see how the Sigma will dump consistently more power
than the camera asks for, and if it does, why you simply
cannot set the 550EX as per manual page 36:
   - press SEL/SET until the flash-± symbol is on
   - press the + a couple of times
   - press SEL/SET again
?

Or are the Sigma flashes doing their own metering?

-Wolfgang
Gisle Hannemyr - 16 Aug 2006 19:59 GMT
>> So use either an 'automatic' flash unit or see if you cannot
>> custom function your 300D to use average instead of E-TTL.
>> (Or ubgrade to a model using E-TTL II.)

> Curious, what do you mean by automatic?  

http://hannemyr.com/photo/flash.html#uafe

("Auto" = "automatic").

Signature

- gisle hannemyr [ gisle{at}hannemyr.no - http://hannemyr.com/photo/ ]
------------------------------------------------------------------------
      Sigma SD10, Kodak DCS460, Canon Powershot G5, Olympus 2020Z
------------------------------------------------------------------------

Scott in Florida - 02 Aug 2006 03:56 GMT
>Hi,
>
[quoted text clipped - 4 lines]
>
>Thanks a lot!

I bought the Canon 430 for my 5D and I'm very satisfied.

Some will point you to the 580, but the 430 does just fine for me.

Signature

Scott in Florida

'The land of the free because of the brave'

default - 02 Aug 2006 03:58 GMT
If you have plenty of money to spend, the 420EX, 430EX, 550EX, 580EX are
very good.  If you are trying to spend only a little, the 380EX works with
the digital SLRs and is much better than the 220EX.  If you look on the used
market, you'll find that they are quite inexpensive.

It has a GN of 38 meters at ISO100 and tilts up and down (but not left and
right), does high speed flash sync, E-TTL, and has an auto zooming head
(24-105mm settings).  It also does first and second curtain flash sync.

The 380EX doesn't give you all of the creative options of the new models as
it is mostly automatic.  It was the precurser to the 420EX that replaced it.
The camera controls for flash exposure compensation and flash exposure lock
work though, and it provides a red focus assist light so you don't get the
rediculous strobing from the camera that the built in does in low light.

I enjoy mine and it does what I need.  But you may have other needs like
being able to flash backward into an umbrella or radio control, or even more
power, etc.

An excellent article covering pretty much all of the isses with Canons and
flashes is here:
http://photonotes.org/articles/eos-flash/

> Hi,
>
[quoted text clipped - 4 lines]
>
> Thanks a lot!
ian - 02 Aug 2006 19:11 GMT
What about sunpak, metz, and sigma?
AaronW - 02 Aug 2006 23:42 GMT
> What about sunpak, metz, and sigma?

I don't know if Sunpak has a high power E-TTL flash.

Metz 54 MZ has non-TTL automatic mode, and can be fitted to different
brands. If you don't need these features, I'd recommend Canon
580EX/550EX.

Metz 54 AF is E-TTL dedicated. It is not that much cheaper than Canon
550EX.

Sigma EF 500 DG ST is priced very low in comparison. More featured
Sigma EF 500 DG Super is more expensive.

http://digitcamera.tripod.com/#flash
Gisle Hannemyr - 16 Aug 2006 19:53 GMT
> Recently I bough a Canon D20 camera, but I don't have a flash yet.
> Could anybody please, give me an advice what kind of flash to
> look. I'm amateour photographer and I don't want to spend soo much
> money.

Sunpak 383 Super (around $70-90).

For a longer discussion, see: http://hannemyr.com/photo/flash.html .
Signature

- gisle hannemyr [ gisle{at}hannemyr.no - http://hannemyr.com/photo/ ]
------------------------------------------------------------------------
      Sigma SD10, Kodak DCS460, Canon Powershot G5, Olympus 2020Z
------------------------------------------------------------------------

AaronW - 16 Aug 2006 22:37 GMT
> > Recently I bough a Canon D20 camera, but I don't have a flash yet.
> > Could anybody please, give me an advice what kind of flash to
> > look. I'm amateour photographer and I don't want to spend soo much
> > money.
>
> Sunpak 383 Super (around $70-90).

E-TTL Sigma EF 500 DG is not that much more expensive.

Non-TTL auto flash is OK if you want a bright flash to be your main
light.

If you want low light fill flash, then you need E-TTL. There is nothing
fundamentally wrong with non-TTL auto flash for this, but there is no
non-TTL auto flash that can be set to very low power for low light
fill.

http://digitcamera.tripod.com/#flash
 
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