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MFA tweak...How much is acceptable?
Got an MFA question. How far off is too far? My brand new 85 f1.8 was simply not hitting the focus point. Last night at an awards ceremony I had to switch to the 135L and stand in the back of the room. The images from the 85 weren't even looking sharp on the LCD, so I knew they'd be crap on the laptop. Today I set up a jerry-rigged MFA session in our hotel room and managed to dial in the 85 to what seems to be a sharp focus. But it's an adjustment of -6. Is that acceptable (assuming it really is now hitting focus)? Or should I send it in to Canon for calibration?
Mark -
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