Re: FM Rolling Review: Voigtlander Color Skopar 21mm f/3.5 E-mount
It bugs me that CV designs these kind of lenses to be theoretically perfectly at infinity focus at the stop.
This then disallows adjustments for mount to sensor distance variations and lens assembly variations.
With my copy of the 21/3.5 both the center and far corners appear to be still improving when it hits the stop. I think this lens has field curvature to the rear of the image and thus could benefit from being able to go slightly past the infinity stop.
Same issue with my 15/4.5 FE - things appear to still be improving when it hits the stop (this was on my A7RII and my A7RIII so it's likely not a sensor to flange distance issue).
Now to decide if I will try another or live with the weight/bulk of the Lox for those times I'd rather not.
- J
Oct 21, 2018 at 12:10 PM
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