Patents related to photo lenses

Started 6 months ago | Discussions thread
bclaff Forum Pro • Posts: 10,458
Re: Ricoh Pentax (also Tokina Opera) 50mm f1.4

Dibyendu Majumdar wrote:

Patented by Ricoh.

https://patents.google.com/patent/US20190250367A1

http://www.ricoh-imaging.co.jp/english/products/star_lens/special/sp_dfa50-14/

Thanks.

See it here .

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

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