alpha_1976 Goldmember  3,961 posts Likes: 1 Joined Nov 2009 Location: USA More info | Jun 20, 2011 07:05 | #1 I recently bought one that has focus confirmation chip installed. I tried it on 5D II and have EG-S screen installed. Now, I can see clearly (in the viewfinder) that the beep actually occurs when target is slightly out of focus. Is there anyway to calibrate this thing? Thanks I know more about gear than I know about photography
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phreeky Goldmember 3,515 posts Likes: 15 Joined Oct 2007 Location: Australia More info | Jun 20, 2011 07:14 | #2 You can micro-adjust them if your bodies support that. What chip is it? You can get some chips that actually have MA built in themselves like the EMF chips - a bit of a pain to set up (involves a series of camera functions to change its settings) but worth it if it's needed.
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Jun 20, 2011 07:59 | #3 I don't know exactly what chip is the one that I have - I think easier would be to just MA it on my 5D II. I know more about gear than I know about photography
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rusty.jg Senior Member 855 posts Joined Mar 2009 Location: Cornwall, UK More info | You say you have the EG-S screen installed - is that new? i.e. is it the first time you've installed than screen and used a MF lens on it? to be OR NOT to be = 1 (which is "to be" so that one's cleared up at last
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Jun 20, 2011 08:45 | #5 rusty.jg wrote in post #12624904  You say you have the EG-S screen installed - is that new? i.e. is it the first time you've installed than screen and used a MF lens on it? The reason I ask is that when I had a standard screen, the AF focus point and the focus through the viewfinder were the same. When I installed a new screen, the viewfinder was off but the AF was OK. I had to purchase a pack of shims and experiment until I got the viewfinder focus and auto-focus the same Please ignore everything I've said if the screen is fine on other MF lenses  Thanks for the insight. I installed that a year back and working fine with all other lenses (when I focus manually) that I have so I guess that's not the problem. I know more about gear than I know about photography
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