Possibly you have seen Lens manufacturer Zeiss to write the phrases like Planar and Tessar. What these terminologies mean and how they work? Planar Lens Design is registered trademark taken by Paul Rudolph for Carl Zeiss. In the same way, Tessar is also a design by the same physicist Paul Rudolph in 1902. – thecustomizewindows.com

Helios (Russia) Optical diagram of type ‘Planar. ‘The optical circuit was copied from the Carl Zeiss Jena Biotar 2/58 lens.

»What is Planar Lens Design?
»Carl Zeiss, Ernst Abbe och Otto Schott


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