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Old Apr 14, 2004, 11:59 PM   #1
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Default Fine tuning focus on TV screen with 10D ?

Hi,

For macro photography with the 10D, would it be possible to use the TV-out to focus while looking at a TV?

How would it compare to focusing using the LCD display or to the viewfinder in terms of clarity and accuracy?

Thanks!
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Old Apr 15, 2004, 12:03 AM   #2
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In a word .. No

You can not use 99% of dSLR's with a viewfinder with exception to I think some older Olympus?
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Old Apr 16, 2004, 2:50 PM   #3
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I have no trouble with my 50-year-old eyes using the viewfinder to focus; even with my very slow Tamron 75-300 zoom.... give it a try. Assuming it's a decent TV you should be able to do at least as well as directly through the viewfinder.
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Old Apr 16, 2004, 4:11 PM   #4
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Quote:
Originally Posted by GregDunn
Assuming it's a decent TV you should be able to do at least as well as directly through the viewfinder.
You CANNOT use the video out (or the LCD panel for that matter) to preview... It is strictly for playback..... To focus a 10D you MUST use the optical viewfinder...
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Old Apr 16, 2004, 4:56 PM   #5
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DSLR's do NOT have the capability to live image view through the TV out for the same reason you cannot use the LCD for image composition - the mirror reflects a true lens image up to the viewfinder but moves up out of the way for the image capture. Only the fixed lens camera's, like the Canon A80, G3, Pro1 and Nikon CoolPix 8700 can do that.
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