[rollei_list] Re: Zeiss Jena 5cm 1.5 Opton
- From: Marc James Small <marcsmall@xxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Mon, 07 Sep 2009 13:21:28 -0400
At 03:48 PM 9/7/2009, Robert Marvin wrote:
>Shouldn't your question read "is there an optical/value difference
>between a Zeiss Jena 5cm 1.5 T and a Zeiss Option lens without the T"?
>
>AFAIK coated Zeiss Jena [East] lenses had a "T" mark; Zeiss Opton
>[West] lenses didn't.
Zeiss-Opton lenses did use the red T mark. They
dropped this when they went over to the Carl
Zeiss brand. CZJ dropped the red T in 1955, a
year after the Soviets quit using their version,
the red P. JSK and Kodak both quit marking their
coated lenses a year or so later. By the early
1950's, every lens made by a major manufacturer was coated.
Marc
msmall@xxxxxxxxxxxx
Cha robh bàs fir gun ghràs fir!
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