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  1. #1

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    Beseler Lens Boards - Not All The Same?

    Hi Everyone,

    I took a look at the owners manual for my Beseler 23CII and noticed that there are different numbers for different boards based on focal length. I've been using a 100mm lens for my 6x7 negs in both a Besler 4x5 enlarger as well as the 23C. However, I also shoot 135 and have a 50mm lens. Can't I use the same board for my 50mm as I have the 100mm in? It's the only board I have right now. Thanks for replies.

  2. #2
    Jon Shiu's Avatar
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    If it is a flat board, it will probably work fine, unless you need to make larger than about 11x14 enlargements. That would require a slightly recessed board so the lens can get closer to the negative in order to focus.

    Jon
    Mendocino Coast Black and White Photography: www.jonshiu.com

  3. #3

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    Larger lens on the 4x5 may need a different board so the rear element can clear the metal that is part of the turret attachment - I think it starts to be a concern with 180mm designs and up.

  4. #4

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    I use a beseler 23C and a 45MX. The lensboards are interchangeable between the two. As far as I know, the boards are all the same, the only difference being the size of the hole in the board. (except for the extended or recessed boards)
    Rick Jason.
    "I'm still developing"

  5. #5

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    It may also indicate a different length of the light tube.

    Mike

  6. #6
    fotch's Avatar
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    Quote Originally Posted by rmann View Post
    Larger lens on the 4x5 may need a different board so the rear element can clear the metal that is part of the turret attachment - I think it starts to be a concern with 180mm designs and up.
    I have never seen a turret attachment that uses the 4x4 board. The only turret attachment that I am aware of fits only the MXT and the lens screw right into it.

    Is there another one?
    Items for sale or trade at www.Camera35.com

  7. #7

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    Quote Originally Posted by fotch View Post
    I have never seen a turret attachment that uses the 4x4 board. The only turret attachment that I am aware of fits only the MXT and the lens screw right into it.

    Is there another one?
    Yes, you are correct - I was thinking of the VXL.



 

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