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Thread: Self cocking shutter

  1. #1

    Self cocking shutter

    Is there a possibility to find a self cocking shutter to use on a 4X5 camera tha t can be fired from a distance via a remote release or a radio system?The idea b eing to use it in addition of a motorized roll film back,allowing to shoot witho ut having to be near the camera.Thanks.

  2. #2

    Self cocking shutter

    I know Sinar used to have a high end camera that would close the shutter and stop down to a pre-determined f-stop when you inserted the holder. I saw this at a Dean Collins seminar several years ago. Not sure of the model but I think it was a P or F series. Maybe someone here can clarify.

  3. #3

    Join Date
    Jan 2001
    Posts
    522

    Self cocking shutter

    Sure, that's what assistant's are for...

  4. #4

    Self cocking shutter

    The Sinar system is the Auto Aperture Shutter and as has been said, works at full aperture for focussing etc and closes down to the working aperture when you press the release. It also auto closes the shutter on inserting a film back. They plug the fact that it's easier to work behind the camera rather than peering around the front to change any settings as it has rear viewable / alterable settings. You'd also need DB mount lenses for it to work rather than normal ones.

    I think it fits all the Sinar range as things are modular. It goes in between the bellows and the front standard.

    How about one of these air releases (bulb and a long bit of pipe) or do you want to be "miles" away?

    If you've got a motorised film wind, all you want now is autofocus! :- )

  5. #5

    Self cocking shutter

    Horseman and others have electronic shutters for view camera lenses. They are very expensive, but could probably do what you want.

    If you check previous posts about this same/similar subject you will find quite a bit of information.

  6. #6

    Join Date
    Jan 2001
    Posts
    522

    Self cocking shutter

    I'm just curious about the "motorized roll film back" I don't think I've ever seen one of these for a view camera. Is this some kind of modified medium format back, or what? I guess the other poor-man's solution would be to use a prontor shutter and a bulb release. But, you couldn't get too far away.

  7. #7

    Join Date
    Sep 1998
    Location
    Loganville , GA
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    14,409

    Self cocking shutter

    Linhof makes a 5" motorized back for 126mm film on NATO modified spools for the Aero Technica and the Technika. A different version is used on the close range measuring Linhof Metrika cameras. Those are t he cameras used to precisely measure the 5000 year old "Ice Man" that was dug out of the Alps a few years ago.

  8. #8

    Join Date
    Jan 2001
    Posts
    522

    Self cocking shutter

    Thanks Bob, I should have known that Linhof would have something like that. Now, next question. Can we get that on state contract? (just kidding, I have no idea why we'd ever need something like).

  9. #9

    Self cocking shutter

    Thank you guys.The motorized roll film back I was talking about was effectively a Mamiya medium format one.I think Fuji have one too.Could be not too complicated to makes an adapter who goes from a 2 1/4 X 3 1/4 Graflock back to a 4X5 Graflock back.Maybe they already exist.

  10. #10

    Self cocking shutter

    Prontor makes self-cocking shutters called "press shutters".

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