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Rare Tomioka Cosinon 55mm f1.2
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PostPosted: Sat Aug 06, 2022 7:48 pm    Post subject: Reply with quote

D1N0 wrote:
Maybe they put in an ND filter Wink


In the middle of the lens I would consider that an element. One of zero power, but an element nonetheless, which affects aberrations for sure, hence a required element in the calculation...


PostPosted: Sat Aug 06, 2022 9:04 pm    Post subject: Reply with quote

RokkorDoctor wrote:
D1N0 wrote:
Maybe they put in an ND filter Wink


In the middle of the lens I would consider that an element. One of zero power, but an element nonetheless, which affects aberrations for sure, hence a required element in the calculation...


Everybody else says 5 :p

Anyway this is the first version. They improved it (More like made a totally new one. The 50/1.1 MkII)

vs mk1


PostPosted: Sun Aug 07, 2022 7:22 am    Post subject: Reply with quote

Does anybody have the Kamlan? Any sample images?