A lot of macro lenses suffer from focus breathing: the focal lenghth decreases with the focussing distance. Some users on this forum have posted that the focal length of the 100mm macro is 67mm at the minimum focus distance. I do not remember if this was the EF or RF 100mm macro.Disregarding my previous comment regarding off-topic, I do not shoot video or focus stack, so I’m confused by this focus breathing explanation on the Leica web site:
View attachment 227721
It seems to be ‘backwards’ – focus breathing is focal length change while focusing, causing image size change, correct?
Upvote
0