Question about Sigma EF-500 DG for TTL Flash

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Problem with underexposed pictures

When I use FV-lock the first picture is exposed correct, but the next is underexposed. This problem actually only appears when I masseur the light on a dark spot.

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Re: Problem with underexposed pictures

I've got the same problem with my new ef 500 dg super and my ef 530 dg super. It occurs on all nikon camera's I could get.
D70, D80 and Fuji S5 Pro. I don't have this problem with an old (4 years) sigma ef 500 dg super.
I will try to contact Sigma for this problem.

Posted on Jan 07, 2008

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When I take a promaster remote flash trigger system with my canon 430ex half of the picture is exposed. What am I doing wrong?

this is most likely a sync issue. you shutter speed is too high. try lowering it. 1/200 or 1/160 of a second should be fine for your case.

Sep 19, 2012 | Canon Speedlite 430EX TTL Flash

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Will not fire every shot, ttl not working, show underexposed

Lock your flash down to the camera
make sure the flash and the cameras setting are correct... and please read your book.

Jan 22, 2012 | Nikon Speedlight SB-600 TTL Flash

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I am using a nikon D200 with a sb800. The flash is firing ok on TTL and the camera is set on 'P' however I am getting a dark picture every tme. The built in flash works OK It appears the flash/camera...

This is an excellent flash, very powerful and compact and actually more flash then what was available when the D200 first cam on the market. The two will work nicely together and I think the problem is that the SB-800 can be programmed within itself. This meaning with some cameras you program the camera for the flash output with the SB-800 you can program the flash as well. It has some excellent features like Flash value lock (which I think is set to slightly underexpose from what your question is asking) it also has Flash color information and a built in Flash compensation. Possibly the compensation or value lock are set to underexposure. I'm saying this over the camera setting because you stated that the internal flash appeared to be okay, check your SB-800 settings

Dec 27, 2010 | Nikon Speedlight SB-800 TTL Flash

1 Answer

I have recently shot some pictures with my canon 580 EX flash. pictures seemed to be a bit underexposed. My camera is a 50D pictures shot at ISO 200. The lens was a canon 17-40 F4 L. Is is possible that...

It all depends on the environment you're shooting in. When shooting a wedding reception for instance inside in the evening I will generally use ISO 800 and I quite often use FE Lock which is very handy. FE Lock will pre-flash the speedlite and meter the result based on the center focus point in your viewfinder (it doesn't matter if you have set another focus point it will always meter to the center one so make sure that is over your subject when you use it). To use FE Lock press the button near your thumb that has the * symbol with the center focus point over the subject. You can then re-frame the shot if required and take the picture. The camera will take the picture based on that flash setting and you should find that the shot is better exposed.

Nov 18, 2010 | Canon SPEEDLITE 580EX TTL Flash

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Flash is firing... but not all images are exposed with flash. maybe every 3rd or 4th is correct. rest all blacked out.

Make syre you have the camera set at the synchronized speed. Being off by one number, either war will mess pictures up.

Sep 24, 2009 | Canon SPEEDLITE 580EX TTL Flash

1 Answer

The flash is not very brightthe test button fire the flash just fine..but when i fire it when i take a picture the light is very weak

Are your pictures properly exposed?
Does this flash have power settings on the back? If so, move it back to full power.
If your pictures are properly exposed then its doing what its supposed to.
If no power setting on the back, check what ASA you have it set for. 800 or 1000 speed film requires much less light than 200 speed film. Adjust ASA based on your film.

Sep 19, 2009 | Sunpak 355-AF for Minolta Flash

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D80 and SB-600 FV Lock doesn't work anymore

In whacky situations like this it is always best to re-set your camera and flash settings. Somewhere on your D80 you will find two function buttons with small green dots next to them. These are the resets. Push both in at the same time until the display LCD flashes.. The camera is now reset to default settings.You will now have to re-set your FV button to the custom setting you had it at before.

Also, reset you flash by turning on the power and removing the batteries and re-install them.

Apr 21, 2008 | Nikon Speedlight SB-600 TTL Flash

3 Answers

My snaps are underexposed with 350D camera and 580EX TTL

Set camera:

Single shot mode not servo/C modes
Focus sensor set for center
Make sure exp. comp is not set on -(minus) side.
Make sure your subject is locked on and not moving out of the autofocus (center) sensor.

Jan 02, 2008 | Canon SPEEDLITE 580EX TTL Flash

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