Just got the Voigtlander APO-LANTHAR 50mm f/2 Aspherical Lens for Sony E. Why min aperture is 22?

Started 2 months ago | Discussions thread
jbuzzinco Regular Member • Posts: 285
Why min aperture is 22?

I'm not attempting to explain what optical engineering limitations might exist. But based on simply using this site's lens search tool to compare all the macro-ish f/2 lenses there clearly seems to be a consistent aperture range of f/2-f/22.

Is there any f/2 lens which stops down to f/32? At typical small format macro focal lengths like 50 to 100mm, f/32 would cause incredibly bad diffraction.

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Sony RX100 VII Sony a7R IV Sony a9 II Zeiss Batis 25mm F2 Zeiss Batis 85mm F1.8 +11 more
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