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Voigtlander FE 35mm f/2 APO-Lanthar Aspherical: Showing Focus Shift Impacts at Distance, How to Mitigate

This 'nerd' optical work is not all that fun, but I want to be field shooting within 10 days and have all my knowledge locked down as far as lens behavior, so as to get the best possible results. Accordingly I have taken quite a few series and all show the same behavior that I show now.

This page shows the rearward focus shift (central areas) of the Voigtlander FE 35mm f/2 APO-Lanthar at distance in an outdoors image using two aperture series focused a bit differently. It also discusses how to get the best sharpness in light of the behavior (mitigation).

Voigtlander FE 35mm f/2 APO-Lanthar: Focus Shift, Comparing and Mitigating (Roof and Deck)

Below, focusing a bit too distant + rearward focus shift means that even f/5.6 and f/8 cannot compete with f/2 focused just a little closer.

Voigtlander FE 35mm f/2 APO-Lanthar Aspherical
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