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Thread: Rodenstock Grandagon-N 75mm f/4.5 - Flange to lens end length -

  1. #1

    Rodenstock Grandagon-N 75mm f/4.5 - Flange to lens end length -

    Hello,

    Someone would know the length of "shutter flange to lens rear end" of the Rodenstock Grandagon-N 75mm f/4.5 ?

    I need this information to know if I can use this lens on my rig (large format camera with a medium format digital camera as a back).

    Depending of this length I could have some mechanical interference between the rear of the lens and the adapter of the digital camera.

    Thanks in advance

    Click image for larger version. 

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  2. #2
    Small town, South Carolina, US
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    Sep 2006
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    Re: Rodenstock Grandagon-N 75mm f/4.5 - Flange to lens end length -

    By my measurement 32mm or slightly more. The literature I have doesn't specify.

  3. #3

    Re: Rodenstock Grandagon-N 75mm f/4.5 - Flange to lens end length -

    Quote Originally Posted by rfesk View Post
    By my measurement 32mm or slightly more. The literature I have doesn't specify.
    A million thanks!

    I was expecting 32.25mm based on my calculations.

    It seems it was right.

    I have searched in 3 different rodenstock catalogues and found nothing.

    Have an awesome day!

  4. #4

    Join Date
    Jun 2019
    Posts
    14

    Re: Rodenstock Grandagon-N 75mm f/4.5 - Flange to lens end length -

    The measurements and estimations are very good, according to the pdf I found. Unfortunately I cannot upload the whole PDF, since it is too big, and I don't remember where I've got it from.
    Anyway, the distance you want is it is 32.3mm, or 31.3mm if your are using a Compur electronic (no idea why this is different).
    Attached Files Attached Files

  5. #5

    Re: Rodenstock Grandagon-N 75mm f/4.5 - Flange to lens end length -

    Thank you for the 2 pages, they will help!

    Cheers

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