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  1. #1

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    Durst SM-45 (138S) Enlarger Lens Advice

    I want to enlarge my 4x5 negatives to 16 x 20. I don't have a lens board that will fit my Nikor 150mm lens so I used my Nikor 135mm and two durst 240 condensors.

    The 135 just does'nt quite give me enough coverage at 16 x 20.

    Being that it does not seem that Durst makes a lens board with a 50mm thread i'm thinking about sending an extra lens board and my 150 mm Nikor to SK Grimes and let them fit my 150 lens to the board.

    But, before I go to the trouble to have my 150 fitted, is the lens I should be using ?

    I'm not above buying a new 150mm Schneider and having that fitted if the Schneider will be a batter lens in the long run

    If I'm going to have this done I want to do it with a very good lens.

  2. #2

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    Hold the phone. As it turns out I have a Schneider Componon-S 150mm lens. (I need to check my inventory more often).

    So, any advice on which lens to use, the 150 Nikor or the 150 Schneider ?

    Either one will have to have a lens board machined.

  3. #3

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    As it turns out I misread my manual. I should be using a 200 condenser under the 240. My Nikor 135 seems to cover well at 16 x 20.

    I'm still interested in advice as to which lens would be optimum.

  4. #4
    ic-racer's Avatar
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    If you can tell the three lenses apart by looking at prints then one of them is buggered up.

  5. #5
    joh
    joh is offline

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    There should be Durst lensboards with 50mm thread....I have one for my 150mm Schneider Componon.

  6. #6

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    Joh,
    Thanks for the info. Do you have the number of the lens board ?
    Thanks,
    Charles

  7. #7
    joh
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    Sorry, there stands nothing on it, but it could be a lapla 50......Durst-Pro-usa seems to have it in stock
    http://www.durst-pro-usa.com/lensboa...#TabbedPanels1

    Lapla's seems to be flat boards, my is 10mm extended...maybe better if you have a Lens turret
    Last edited by joh; 11-28-2012 at 09:08 AM. Click to view previous post history.

  8. #8

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    Beware -- the older 150mm El Nikkor actually has a 53mm thread. The LAPLA 53 does show up on the evil auction site from time to time.



 

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