AF fine tune and focus shift for fast lenses

Started Sep 12, 2016 | Discussions thread
OP Ryan Mack Regular Member • Posts: 191
Re: AF fine tune and focus shift for fast lenses

Hi Marianne,

I was googling a bit more and found an older post of yours that confirms my suspicion that front focusing could be caused by rear focus shift and the focusing system seeing at an effective 5.6 aperture (my mistake originally thinking it was effective 2.8) :

For the D810 you have mentioned software correction for focus shift. Any idea how that gets updated for newer lenses (firmware or distortion control data or something else)? And do you happen to know if there is correction data for the 58 1.4 yet?

Thanks for your time, Ryan

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