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Thread: Compound shutter in Xenar and B&L Zeiss Tessar the same?

  1. #1

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    Compound shutter in Xenar and B&L Zeiss Tessar the same?

    I was wondering if the Compound shutter in a 300mm f4.5 Xenar is the same as is a Bausch and Lomb Zeiss Tessar 6 1/2 x 8 1/2.

    Would the cells of both lenses fit in the same shutter?

  2. #2
    All metric sizes to 24x30 Ole Tjugen's Avatar
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    Re: Compound shutter in Xenar and B&L Zeiss Tessar the same?

    Not likely - the 300mm f:4,5 Xenar is in a Compound V. The B&L Tessar is likely fit in a IV, and even more lilkely to have been mounted in a big Ilex shutter.

  3. #3

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    Re: Compound shutter in Xenar and B&L Zeiss Tessar the same?

    Ole, B&L made Compound shutters under license. See, e.g., http://www.cameraeccentric.com/html/...schlomb_8.html . I think they made 'em before WW-I and stopped during the war. See http://www.cameraeccentric.com/html/...schlomb_5.html

    That said, I very much doubt that a old B&L shutter will conform to more modern specifications (tube length, threading). I hope that someone who reads this and has the B&L lens that the OP asked about will measure and report.

  4. #4

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    Re: Compound shutter in Xenar and B&L Zeiss Tessar the same?

    I have that lens in a Compound Dan I just don't know how to tell which Compound it is.
    I searched cameraeccentric's catalogs but I couldn't find any reference to Compound shutters together with the B&L Zeiss Tessar.

    The outer diameter of the shutter is 106mm (aprox)
    The inner diameter where the front cell screws is 67mm (aprox).

    I was hoping the Compound I have with my B&L Zeiss Tessar was a Compound V so I could use the Xenar cells. The Zeiss Tessar 6 1/2 x 8 1/2 seems to be 9 7/8'' focal lenght.

    Edit:
    Just checked Ole's information on Compound sizes and yes, the B&L Zeiss Tessar comes with a Compound IV 10/II. Too bad...

  5. #5

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    Re: Compound shutter in Xenar and B&L Zeiss Tessar the same?

    Ramiro, I think you may have your answer. Even so, bookmark this site http://www.suaudeau.eu/memo/pratique..._centraux.html for future reference.

    Cheers,

    Dan

  6. #6

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    Re: Compound shutter in Xenar and B&L Zeiss Tessar the same?

    Wow, that's good info Dan. Thanks!

  7. #7
    uphereinmytree's Avatar
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    Re: Compound shutter in Xenar and B&L Zeiss Tessar the same?

    I just had a Bausch & lomb 8x10 tessar Ic f4.5 and it was in a compound 5. sent it back with a bad mainspring. I have a Bausch & lomb tessar IIb f6.3 in a compound 4. It seems most or all B&L compound shutters have a custom barrel painted black instead of the plain aluminum.

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