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Carl Zeiss Jena 250mm f 3.5 red T


armin_seeholzer

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  • 2 weeks later...

Armin,

 

I have a Zeiss Jena 190mm f/3.5 T about which I have found very little information. Basically, from what I have found, the red T means it is single coated (T* is multicoated). The serial numbers I have are from Wright and Matthews "Vade Mecum": Just after WWII the numbers were between 2.8 and 3 million, 3.5 million was early 1952, 3.73 million late 1953, 5.43 million in early 1960. 9.57 in the late 1970s. The 190 I have seems to cover 5x7 with just a bit of movement before it starts seriously degrading, so I would guess it throws about 60 degrees of usable light. Hope this helps.

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