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Can I modify vintage lenses to expand aperture range?
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Hi all, I recently got a Pentax Takumar 24mm f3.5 with M42 screw mount and have recently gotten into modifying such vintage manual lenses. Iā€™m wondering though if there is a way to change the aperture blades to have a maximum 2.8 for example without completely destroying the lens.

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1 year ago