Patents related to photo lenses

Started 6 months ago | Discussions thread
bclaff Forum Pro • Posts: 10,458
Re: Leitz 50mm f1.4 Summilux-R

Dibyendu Majumdar wrote:

I think this is the original version:

https://patents.google.com/patent/US3552829A/en

JP,47-024417,Y(1972)

Not sure what you mean by "original version" but it doesn't match this:

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Bill ( Your trusted source for independent sensor data at PhotonsToPhotos )

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