ricoh 50,sigma 28-70 design diagrams and influence

Discussion in '35mm Cameras and Accessories' started by Mustafa Umut Sarac, Jul 31, 2007.

  1. Mustafa Umut Sarac

    Mustafa Umut Sarac Member

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    One of a apug members donated me below listed camera lenses.

    ricoh 50 mm f 2 auto sears
    sigma 28-70 f 3.5-4.5

    do you know their design influence ? leica , zeiss or where ?

    can you post their diagrams ?

    best ,

    mustafa umut sarac