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Showing posts with label
Petzval mod
.
Show all posts
Showing posts with label
Petzval mod
.
Show all posts
Friday, May 10, 2024
"Petzval Mod" of a Helios 44-2 lens
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The Helios 44-2 58mm f/2 lens is a russian copy of the Carl Zeiss Jena Biotar and it has cult status. One can use this lens to achieve the ...
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