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  1. #1
    Helinophoto's Avatar
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    How do I know if a 50mm lens will fit my Durst m670 bw?

    Hi

    I am on the lookout for a 50mm lens for my Durst m670 blacka dn white, but looking at eBay left me no smarter really.

    How do I know if the lens will actually fit my enlarger, if the lens is from Nikon or another brand?

    Is the lens "mount" som kind of standard on enlargers in general?

    I have a 110mm lens on mine now and it works perfectly for 6*6 and 6*7, but not for 35mm negs, the enlargement only goes up to just short of 20cm*30cm.


    Need some help on how to get the correct lens, would be a shame to buy something that actually didn't fit =)
    -
    "Nice picture, you must have an amazing camera."
    Visit my photography blog at: http://helino-photo.blogspot.com

  2. #2
    Rick A's Avatar
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    You need to know what size lensboard you have. Does it accept standard 39mm ltm or 25mm threaded lenses, also is the lensboard threaded or does it require a jamb nut(retaining ring)that screws on from the rear of the board after inserting the lens. I can help you out in either case with a lens, PM me here at Apug if you are interrested.
    Rick A
    Argentum aevum

  3. #3
    Helinophoto's Avatar
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    Thank you for your answer =)

    I think it just screws in there, I can check the dimensions of the current lens when I get home. (bought the enlarger 2-3 weeks ago and I am not very familiar with the lens stuff, past experience has been with 35mm enlargers only....and that was in 1988 =D ).

    Kind regards
    -
    "Nice picture, you must have an amazing camera."
    Visit my photography blog at: http://helino-photo.blogspot.com

  4. #4
    Steve Smith's Avatar
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    It's fairly common for enlargers of that size to have a 39mm thread. A lot of lenses have the same thread but they also come with a 25mm thread. In this case, an adaptor ring is used: http://www.photographyattic.com/product-1372


    Steve.
    "People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.

  5. #5
    Trond's Avatar
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    It's most likely 39mm. I have a Vivitar VHE 50mm 2.8 (made by Schneider I think) which you can get for free if you are interested. Where in Norway are you located?

    Trond

  6. #6
    PDH
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    You may need a recessed lens board for your 607, my 601 requires a recessed. Do you have the owners manual?

  7. #7
    Helinophoto's Avatar
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    No owners manual, the enlarger is as-is from the guy who sold it, unfortunately =)

    Trond, the lens I have is 39mm (diameter) across (122mm around), screws in and out, do you think it will fit?
    I live in Oslo ^^
    -
    "Nice picture, you must have an amazing camera."
    Visit my photography blog at: http://helino-photo.blogspot.com

  8. #8

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    Regardless if it is a 25mm and your lens is larger, just file the hole out n use a jamb nut.

    .
    Anyone can make a Digital print, but only a photographer can make a photograph.

  9. #9
    Jerevan's Avatar
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    Most probably the lens is going to fit. The 670 we had in the lab had 39 mm lensboards. I think they (the boards) are relatively common. I have never seen a Nikon 50 with anything else than 39 mm thread, but I know some older Schneiders had 25 mm thread.
    “Do your work, then step back. The only path to serenity.” - Lao Tzu

  10. #10
    Trond's Avatar
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    Sent you a PM.

    Trond

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