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WTF is wrong with my camera....or is it just me?!?

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Tanja1

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I am shooting mostly hockey indoors with a Rebel Xti and Sigma 70-200 f/2.8 lens which is new to me. While away at a hockey tourney this weekend I noticed that about half my photos look almost like there is a brown sunglass lens (for lack of better description) over top of the photo. Lots of shadows. Some look great, others very dark. I don't understand as I did not move much. Anyone know what is going on here? I was mostly shooting f/2.8 @ 1/400 iso 1600 wb white florescent. WTF? I am fairly new at this and have no clue!
 
Post a pic or two as Sean suggested and maybe we can figure WTF is going on here. But me thinks it may have something to do with the ISO, the available lighting and that pesky WB setting. Either that, or you are the unfortunate owner of one of the cameras infested with a leftover Saint Paddy's Day leprechaun. :-)
--
Jada
 
Does using the same camera and lens combo at those settings still produce that effect? Does changing the settings help? Changing the lens?
 
You would need to have some kind of account to upload the picture to. If you don't already have a webpage there may be one available as part of your internet service. If you have a Yahoo address you can get a free Geocities page (ddvertising supported with very limited storage.). There are also various free pages where you can upload pictures to show off. I think they pay for this by encouraging (but not requiring) you to buy services such as photo printing, extra space, etc.
 
Your shutterspeed may be too high to sync the flash.

I have no idea what it is on your camera, but it is an issue on focal plane shutters.
--
Joe Sesto
 
Without seeing a sample it's difficult to solve your problem. Spit-balling here, I'm just considering a white balance problem, set your camera to 1/60th of second and aim at the surrounding boards, set that as white balance. Set your exposure by pointing at faces to get your shutter speed. Use M mode set AV, Shutter speed, ISO 1600. See how that goes. The only thing I can think about regarding the brownish area may have to do with the lighting as it cycles through 60Hz. Hope this answers your question and goodluck.
This question would be better asked at the Canon SLR forum
--
Canon 40D/Rebel XTi
Canon 70-200L/2.8 - Canon 135L - Canon 100/2.0 - Canon 18-55IS
Canon 50/1.8 - Sigma EX 18-50/2.8 II - Sigma EX 50-500/4-6.6
Sigma EX 120-300/2.8 - Sigma 18-200 OS/3.5-6.3
Kenko 300 Pro 1.4X & 2X TC
 
Can't say without seeing the images; but I'd say it's probably caused by the lighting.
Fluorescent lights flicker, usually at twice the mains frequency.

With a fast shutter speed you will often capture the flicker as a dark band on the image. It may be vertical or horizontal depending on the type of shutter in the camera.

Regards,
Phil.

--
http://www.pbase.com/phil_a_mitchell

 
Like Joe said in an earlier post, it's likely the flash is on. When you try using flash at too fast a shutter speed it doesn't sync and you end up with a partially blacked out picture.

-Doug
 
This has happened before with my old lens which is a 70-300 f/4.5. I am using a much faster shutter speed with this lens but it is very consistent which is annoying. It shows on about half my shots!
 
I think the lights turn on and off at 60 cycles a second.

Flourescent lighting is the worst and can really fool your exposure system.

--
Greg Gebhardt in
Jacksonville, Florida
 
At certain shutter speeds the flicker of certain Flourescent and sodium vapor light can be captured. It effects both exposure and WB.

I get this all the time in schools. Sometimes it's so bad that the top of the photo will have one color balance and the bottom another as the shutter curtain traps the various phases of the flicker.

My guess is you were right at a shutter speed that was matching the occilation of the lights.

Tom
--
http://www.kachadurian.com
 
Tanja1 said:
OkeeDokee.....how do I do that?
Click to expand...
Great, we're all telling you to post pictures and nobody's bothered to tell you how...

First, find a web service to host your pictures. There are plenty of free ones out there - I use PhotoBucket (www.PhotoBucket.com) but there are others as well.

Upload your picture to the web service, then copy the URL of your picture into your post just as it is, on a separate line, starting with "http" and ending with ".jpg".

Here's an example. If you click "Quote" link just below this post, the edit box for replying will show you what I entered to include the picture (but don't include the "> " at the front of the quoted lines).

 
Not sure what you can do about it, though....

FF
 
Tanja1 said:
Some of the photos look pretty darn good otherwise!
Click to expand...
Well, your are not alone: http://forums.dpreview.com/forums/read.asp?forum=1025&message=31527126

If you have a few that are especially good, I wonder if you might rescue them by doing some masking and layer adjustments (possibly with gradients) to make them more uniform. You would need capable software (i.e. Photoshop, possibly Elements, or ?) and some patience, but it might be doable.

--
-Dennis W.
Austin, Texas

 
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