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Kiev 4 Monocle Wide Angle - Build your own

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Very good! there are several loupes which can be used for that purposes. I tried some jewellers loupes and oculars from broken binoculars they do excellent wide angles. I just developed a 15mm wide angle conjugating a 25mm fl jewellers loupe with a front negative lens of a 0.8 cheap wider At f 11 it rivals the famous Hologon and has no vignetting nor variable density in the picture.
if you have a precision lathe you can built your own. I shall give you all technical data.
Regards
LP
Note: broken binocular objectives give excellent telephotos.
The Kazan 8x30 binocular objective has exact 135mm.
The Sergei Pozad 16x60 has a good 300mm.

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