Michel Fleury Photography
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Showing posts for 'f/1.4 performance'.
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How sharp is your lens ?
February 06, 2020 -
Or more specifically, how sharp is your lens wide open at the center of the frame under controlled conditions? A side b...
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Keywords
lensalign
back focus
front focus
michel fleury
Nikon 500mm PF
phase fresnel
AF fine tune
align
focus tune
lens