Apples

Apples

by Garik

submit your photo


Picture of the Week Themes
Suggest and vote on themes

Please participate in Meta
and help us grow.

3
votes
1answer
135 views

Why 5-50x focal length for autofocus micro-adjustment?

When we do an AutoFocus Micro Adjustment session, the general opinion is to set the focusing target at 25 x focal length (or somewhere in the range of 5-50 x focal length). Why is so? What happens if ...