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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 23 Mar 2007 (Friday) 20:43
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Sigma Electronic Flash EF-500 DG ST

127 posts
Joined Jul 2004
Location: SD, CA
Mar 23, 2007 20:43 |  #1

Any care to comment on this Sigma flash for use with Canon 20D?

http://m2moi.deviantar​ (external link):lol:

4,042 posts
Joined Jul 2006
Location: Tin Mine Country (Cornwall UK)
Mar 23, 2007 20:52 |  #2

Ive used my one on a Powershot Pro1 & now with my 350D, it should work fine with a 20D.

Its a great flash!

Nick :-)

Curtis ­ N
Master Flasher
19,129 posts
Likes: 11
Joined Apr 2005
Location: Northern Illinois, US
Mar 23, 2007 21:30 |  #3

Possibly the best E-TTL flash available in its price range. Good power, autozoom, bounce/swivel head, and a few manual power settings. It's all the flash most hobbyists will ever need.

But it has no high speed sync, and doesn't work with garden variety hotshoe adapters. Not a good choice if you might want to use it off-camera.

"If you're not having fun, your pictures will reflect that." - Joe McNally
Chicago area POTN events (external link)
Flash Photography 101 | The EOS Flash Bible  (external link)| Techniques for Better On-Camera Flash (external link) | How to Use Flash Outdoors| Excel-based DOF Calculator (external link)

Senior Member
260 posts
Joined Apr 2005
Location: New Jersey
Mar 23, 2007 22:23 |  #4

It works fine on my 20d. I keep it on automatic(ettl) and the 20 d on manual (1/250, f8 ), or use it manually with a guide # of 130 with my 35mm lens.

EOS 20D, EOS 5D MARK III,18-55mm kit lens, Canon 35mm/f2, Canon EF 24-105 f/4L IS USM, Canon 220EX, Sigma EF-500 DG ST, G2, Canon i960 photoprinter, Canon Pixma Pro 9000 printer, Tamron 17-50 f2.8 non vc.

Mr. Wizard "B.D.B on POTN"
543 posts
Likes: 1
Joined Nov 2006
Location: Cape Breton Island, Nova Scotia, Canada
Mar 23, 2007 22:25 |  #5

I own this flash on my XTi and I think its great! Just like curtis said, its an ultimate bang for buck. I can't wait to use it on my new 30D next week! happy shooooooting

Bodies: Canon 40D & Grip, Canon 5D
Lenses: Canon 70-200 2.8L IS, Canon 24-70, Canon 50L 1.2, Canon 85 f/1.8, Sigma 50mm Macro
Flash: Canon 580ex II, Pocket Wizard Plus II (2)
http://www.davidmacvic​ (external link)

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Sigma Electronic Flash EF-500 DG ST
FORUMS General Gear Talk Flash and Studio Lighting 
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