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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 01 Aug 2011 (Monday) 07:29
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Odd Canon 7d flicker, advise?

 
TravisGagne
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Aug 01, 2011 07:29 |  #1

Hello everyone, so recently I was using my 7d one day and decided to randomly shoot a shot of a hallway in my work, to my discovery, this ( http://www.youtube.com …N7ukqY&list=UUO​9cbI1s9Sw0 (external link) ) is what I found in my shot. At first I thought it may just be my LCD panel since I had a low battery but when I charged it up and continued to other shots, I noticed that it was still there. Not as severe, but still there. It seems to be in low light, and well, I've been rather disappointed and discouraged in the results of my 7d. The amount of noise, and this, has been upsetting to me after spending nearly $5000 on my rig and resulting in images that look like an iPhone could have done better.

Has anyone ever witnessed this, or does anyone have any advise as to what it may be? I have had so much trouble with my 7d noise wise despite the fact that my settings are crystal clear and I still get it.

Could it possibly be a sensor issue?

http://www.youtube.com …N7ukqY&list=UUO​9cbI1s9Sw0 (external link)

Thanks everyone.




  
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mmackwan
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Aug 01, 2011 07:30 |  #2

lower the shutter speed and test.....should be alright


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chrisexv6
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Aug 01, 2011 07:33 |  #3

Are those flourescent overhead lights? Did you try this somewhere else underneath regular (incandescent) lights?

You might be seeing flicker from the flourescents.....if you snap a pic in that same hallway how does it look?




  
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crawford
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Aug 01, 2011 07:39 |  #4

It looks like you are seeing the flickering of the fluorescent lights (your eyes/brain do a great job of eliminating it). As mmackwan says reduce the shutter speed should reduce the effect


AWOL for a few years but back now.
1DX plus too many lenses
Now using a Sony RX10M4 and loving it.

  
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rdompor
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Aug 01, 2011 10:34 |  #5

Instead of investing so much money into your gear, you should perhaps learn how to use it first. Especially if you think that you would have fared better with an iphone.


Ramon
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apersson850
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Aug 01, 2011 10:37 as a reply to  @ rdompor's post |  #6

I thought he was trying to learn, hence the post?
It's rather difficult to learn something before you actually get it.


Anders

  
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rdompor
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Aug 01, 2011 10:43 |  #7

apersson850 wrote in post #12857509 (external link)
I thought he was trying to learn, hence the post?
It's rather difficult to learn something before you actually get it.

Sorry, I didn't mean to sound so rude. I've been hearing a lot of people blaming their gear (very expensive gear too) for everything lately.


Ramon
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Keyan
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Aug 02, 2011 07:11 |  #8

It is picking up the flicker from the fluorescent lights. They cycle at 60hz so you shutter speed needs to be at 1/60 or slower to capture the entire light cycle which will eliminate the flickering effect.

This is normal behavior and the shutter speed information and effect it has on video is detailed in the manual.


Cameras: 7D2, S100
Lenses: 17-55 f/2.8 IS USM, 18-135 STM, 24-70 f/4L IS USM, 50 f/1.4 USM,70-300L IS USM
Other Stuff: 430 EX II, Luma Labs Loop 3, CamRanger

  
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Tarzanman
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Aug 02, 2011 07:40 |  #9

Eh? Your camera is probably busted. You might as well just sell it to me for cheap! :-)




  
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Odd Canon 7d flicker, advise?
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