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Thread: 150mm lens distance to film plane

  1. #11
    davidenglish
    Join Date
    Aug 2017
    Location
    PA
    Posts
    6

    Re: 150mm lens distance to film plane

    Quote Originally Posted by Dan Fromm View Post
    Eh? Wot? Do you want to focus the lens?

    If so, just slide the front standard forward from its rearmost position until the image on the GG is more-or-less in focus, then make fine adjustments. How far out you'll have to slide the standard forward from its rearmost position depends on how far away the subject is. There's no need to determine how far forward is far enough in advance, and no reason to mark the "in focus" distance on the bed unless you're going to shoot only at that distance.
    That sounds like practical way to do it..

  2. #12

    Join Date
    May 2010
    Location
    St. Louis, Mo.
    Posts
    2,838

    Re: 150mm lens distance to film plane

    Quote Originally Posted by Davidenglish View Post
    That sounds like practical way to do it..
    What Dan is telling you is the normal way of doing it with most cameras. The Chamonix is a Phillips design which has a series of holes that you first have to screw your front standard into. Then you can do as Dan is telling you. Greg makes good sense telling you to mark your holes for your various lenses. It's a fast way to do it.

  3. #13

    Join Date
    Dec 2001
    Location
    NJ
    Posts
    6,921

    Re: 150mm lens distance to film plane

    Alan, thanks for enlightening me.

  4. #14

    Join Date
    May 2010
    Location
    St. Louis, Mo.
    Posts
    2,838

    Re: 150mm lens distance to film plane

    Quote Originally Posted by Dan Fromm View Post
    Alan, thanks for enlightening me.
    You're very welcome, Dan. You have enlightened me plenty of times. About time I returned the favor!

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