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Thread: first try: point and shoot in 4x5

  1. #1

    Join Date
    Nov 2017
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    158

    first try: point and shoot in 4x5

    I was looking for a "very light" 4x5 because I don't take my Wista along much because of the weight. Also my shoulders are giving me trouble so that was a second reason. So I started a thread here and got a few ideas but often the cameras proposed ticked some boxes but not all. http://www.largeformatphotography.in...ith-125mm-lens

    So I tought about making something myself. But before going too ambitious I decided to adapt make a first build based on my 4x5 pinhole http://www.largeformatphotography.in...=1#post1442479 This pinhole was made with the idea to use a Fujinon SWD 75 on it but this never happened.

    The goal was to make a lenscone for a Fujinon W 125/.6 so it sits at the hyperfocal distance for f/16 (or higher). This would give a dof from about 6 meters to infinity. First mounted the lens on the Wista, measured out the hyperfocal distance of 14 meters and focussed. Next with a film holder and lens removed I measured from the front of the lensboard to the film: 121.7mm.

    Went to the shop and turned an aluminium lenscone. More chips than result but here it is:



    This weighs 1.5 kg incl lens, filmholder and tripod adapter. Or about half of the Wista without lens and without filmholder. Still have to paint the inside black.
    Expert in non-working solutions.

  2. #2

    Join Date
    Dec 2001
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    NJ
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    Re: first try: point and shoot in 4x5

    So far, so good.

    Did you shoot with the 125 on the Wista focused at the hyperfocal distance you chose before cutting metal?

  3. #3

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    Re: first try: point and shoot in 4x5

    I did shoot with the 125 on the Wista, but not at hyperfocal. Would have been a good idea to do that first now you mention it.
    Expert in non-working solutions.

  4. #4
    Jac@stafford.net's Avatar
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    Re: first try: point and shoot in 4x5

    Quote Originally Posted by Havoc View Post
    Still have to paint the inside black.
    May I suggest that instead of paint you use black flocking material?

  5. #5

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    Re: first try: point and shoot in 4x5

    Good idea about flocking, but I do not have that around. Might order some. But the inside of the box is painted just as well. I do have some thin black felt, usable you think?
    Expert in non-working solutions.

  6. #6
    Jac@stafford.net's Avatar
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    Re: first try: point and shoot in 4x5

    Quote Originally Posted by Havoc View Post
    Good idea about flocking, but I do not have that around. Might order some. But the inside of the box is painted just as well. I do have some thin black felt, usable you think?
    I'm afraid I've never used felt, just paper flocking. For paint I use Testor's flat-black aerosol.
    Best of luck with your build. It interesting!
    Love the machined lens cone.

    EDIT: Regarding focus I prefer a focusing helix in all builds such as this one. (Different builds available.) However I am open to alternatives.

    Oh another strange combination.

    --
    Jac

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