Patents related to photo lenses

Started 6 months ago | Discussions thread
OP Dibyendu Majumdar Contributing Member • Posts: 758
Re: Cosina Voigtlander 35mm f1.2 Nokton (original version)

bclaff wrote:

Dibyendu Majumdar wrote:

https://patents.google.com/patent/JP2004101880A/en

Do you have a reference for the lens construction diagram?

http://www.cosina.co.jp/seihin/voigtlander/archives/vm-wide.pdf

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