DPChallenge: A Digital Photography Contest You are not logged in. (log in or register
 

DPChallenge Forums >> Photography Discussion >> sigma flash
Pages:  
Showing posts 1 - 4 of 4, (reverse)
AuthorThread
04/09/2007 12:04:08 PM · #1
has anyone had any problems w/ the sigma 500 dg super flash. I was using mine this weekend and it just wouldn't sync w/ my camera. I know the flash was firing, but my images dont show any use of flash. It was pretty frustrating because sometimes it would be fine and others everything is way way underexposed.

04/09/2007 12:06:43 PM · #2
I would check the easy stuff first, the stuff I sometimes still forget to check. Did you check to make sure it was in the proper mode? Do you have any flash compensation set (like maybe -2Ev)? Are they fresh batteries? (maybe the flash hadn't reached full power before firing.) With your symptoms of sometimes looking OK, and others under-exposed, I would lean towards the last situation. If you are firing at near full power, with not-fresh batteries, and are taking snaps in rapid succession, then that would be a potential problem.

Message edited by author 2007-04-09 12:08:32.
04/09/2007 12:14:44 PM · #3
batteries were fresh, the others are possibilites though.

Side question about using flash. Im using the sigma w/ the lumiquest promax 80/20. For outdoor portraits at around sunset, I use this for fill flash to light the faces. What settings would be best for the flash unit, as well as my camera settings. Would my exposure still be fairly long becuase of the dim light?
04/09/2007 12:19:57 PM · #4
The settings for the sunset shot would depend on what look you are trying to achieve. If you use Av mode, then the camera and flash will set themselves to highest sync speed (1/250) and adjust flash power according to your distance and focal length, giving most of your exposure from the flash. If you use in manual setting on the camera, you can set exposure for the nice background, then the flash should compensate for the fill. I haven't used that diffuser, so you might have to manually adjust the power of the flash. The best advice I can give is to experiment. Enlist a willing volunteer to pose in different light conditions, and try out different settings. Lighting is something you can learn only through doing. But that's the fun, isn't it?

Originally posted by Jmnuggy:

batteries were fresh, the others are possibilites though.

Side question about using flash. Im using the sigma w/ the lumiquest promax 80/20. For outdoor portraits at around sunset, I use this for fill flash to light the faces. What settings would be best for the flash unit, as well as my camera settings. Would my exposure still be fairly long becuase of the dim light?
Pages:  
Current Server Time: 08/31/2025 06:50:08 AM

Please log in or register to post to the forums.


Home - Challenges - Community - League - Photos - Cameras - Lenses - Learn - Help - Terms of Use - Privacy - Top ^
DPChallenge, and website content and design, Copyright © 2001-2025 Challenging Technologies, LLC.
All digital photo copyrights belong to the photographers and may not be used without permission.
Current Server Time: 08/31/2025 06:50:08 AM EDT.