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Yashica T4 lens | by Images George Rex
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Yashica T4 lens

Tessares is Greek for four and the Tessar® lens design consists of 4 elements in 3 groups. It was developed by Dr. Paul Rudolph in 1902. Zeiss estimates that 150 million lenses of this design have been sold to date.

 

(CC BY-SA which means anyone can use any size of this image anywhere provided accompanied by the credit: Image: George Rex Photography)

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Taken on December 22, 2009