[rollei_list] Re: Jupiter Optics from Mr. Zeiss???

Jerry Lehrer wrote:

> 2.5 vs. 1.5 is hardly a TAD, it is 2/3 more!


This is a difference of about 1.5 f/stops


Eric Goldstein

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[rollei_list] Re: Jupiter Optics from Mr. Zeiss???
From: Jerry Lehrer

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- [rollei_list] Re: Jupiter Optics from Mr. Zeiss???
  - From: Jerry Lehrer

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