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Occasional Contributor
Posts: 7
Registered: ‎08-11-2013

Re: Canon 6D images way too dark in TV mode

Thanks very much for response. When this problem is occurring in TV mode, the meter is screaming back and forth between -3 and +3 like a ping pong ball in a lotto cage! Just took it outside now on an overcast evening and it is steady as a rock in TV mode. Problem only occurs in really bright late afternoon (probably early AM too) light.

 

One thing I am also doing based on another response is changing metering mode from Spot to Evaluative.

VIP
Posts: 8,897
Registered: ‎12-07-2012

Re: Canon 6D images way too dark in TV mode

[ Edited ]

You may have the ISO set to a value where Tv mode is out of adjustment.

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Respected Contributor
Posts: 1,735
Registered: ‎02-28-2013

Re: Canon 6D images way too dark in TV mode


SpartanDad wrote:

Thanks very much for response. When this problem is occurring in TV mode, the meter is screaming back and forth between -3 and +3 like a ping pong ball in a lotto cage! Just took it outside now on an overcast evening and it is steady as a rock in TV mode. Problem only occurs in really bright late afternoon (probably early AM too) light.

 

One thing I am also doing based on another response is changing metering mode from Spot to Evaluative.


 

That’s a different situation than the one you were experiencing before (underexposing in Tv).  In this situation you have chosen a shutter speed and ISO and let the camera choose the aperture (Tv mode).  But the ambient light is too bright, so the camera can’t shut the aperture enough to get a proper exposure.  It’ll blink in-between -3 and +3 to let you know that it can’t properly expose given the constraints.

Occasional Contributor
Posts: 7
Registered: ‎08-11-2013

Re: Canon 6D images way too dark in TV mode

Thanks. Yes, I do set the ISO (probably 200 around this still-bright time in late afternoon with sun behind me) and speed to 1/500 or 1/640. It works great for say 75-100 photos. Then it starts doing the meter bouncing and setting aperture at 9 or higher, when it has been selecting typically 4.5 (lens goes to 2.8). If it doesn't settle down (including turning camera off and on to clean sensor), I move to Manual and put it at ISO 200, speed 1/500, and aperture 4.5 and the photos are perfect again. Using Manual becomes a problem as the sun begins to set and I need the metering to adjust to shadows and then darkness.

 

I never had this problem with T1i or 20D. I love the 6D other than this issue, but this is main primary use of the camera getting sports photos.

Respected Contributor
Posts: 1,735
Registered: ‎02-28-2013

Re: Canon 6D images way too dark in TV mode

That's odd.  I'm not sure what that is.  I was incorrect, if the camera can't get exposure in Tv mode it is the aperture that blinks, not the exposure meter markers.  You're not shooting bracketed shots, are you?

Occasional Contributor
Posts: 7
Registered: ‎08-11-2013

Re: Canon 6D images way too dark in TV mode

No bracketed shots. Thanks for suggesting ideas. Much appreciated.

Respected Contributor
Posts: 1,735
Registered: ‎02-28-2013

Re: Canon 6D images way too dark in TV mode

Wish I had another suggestion.  The only time I've seen that response (flickering of the exposure tags) is when I've been shooting in brackets in Av in bright light and the shutter speed hits the upper limit when trying to do the low bracket.

Respected Contributor
Posts: 1,813
Registered: ‎12-02-2012

Re: Canon 6D images way too dark in TV mode

Did changing it to evaluative metering work? I can kind of picture that when you were in spot metering and in that bright angled light with sun behind you, there could just have been a mix of very bright reflective things and things that were not bright, and the meter going crazy trying to quickly compensate as you move the spot meter around over this mixed value scene.

Would jacking the shutter up to like 2000 or 4000 do anything?

Would lowering ISO to 100 do anything?
Scott

Canon 5d mk 4, Canon 6D, EF 70-200mm L f/2.8 IS mk2; EF 16-35 f/2.8 L mk. III; Sigma 35mm f/1.4 "Art" EF 100mm f/2.8L Macro; EF 85mm f/1.8; EF 1.4x extender mk. 3; EF 24-105 f/4 L; EF-S 17-55mm f/2.8 IS; 3x Phottix Mitros+ speedlites

Why do so many people say "FER-tographer"? Do they take "fertographs"?
Occasional Contributor
Posts: 7
Registered: ‎08-11-2013

Re: Canon 6D images way too dark in TV mode

Thanks, Scott. It did behave better Friday evening with first football game, although game started a little later (7:30) than when I was having issues in Spring around 5:30, so sun was up but lower in sky. Appreciate the suggestions. Will test those out as well next Friday.

New Contributor
Posts: 1
Registered: ‎06-11-2013

Re: Canon 6D images way too dark in TV mode

Thank you for this post. I was changing from single shot to timed shot and accidentally moved the exposure compensation in the process.  It took an hour of Internet and Canon forum searching to figure this out.  Your post was SO helpful.

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