camera mount question

Discussion in 'Photography Equipment & Products' started by beddingfield, Jan 11, 2020.

  1. beddingfield

    beddingfield TPF Noob!

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    Got myself a tripod for Christmas and have an issue attaching the quick detach plates to canon ftb.

    How do I do it? I thread the screw in just fine, but the camera still turns and its secured.

    The detach plate has a joke of a spring loaded stud in it that is supposed to hook into a hole to prevent rotation. That's how it works when used on my Vivitar Series 1 630-1300 telezoom lens.

    Any suggestions?


     
  2. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    When you get that large of a lens, you should be mounting the lens instead of the camera.
     
  3. malling

    malling TPF Noob!

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    When using a larger lens then you should not attached the tripod to the body but the lens, usually larger lenses have the necessary attachment.
     
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  4. dxqcanada

    dxqcanada Been spending a lot of time on here!

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    Also, if the tripod socket hole on the lens/camera is shorter than the length of the threaded screw on the tripod plate, then it will not be able to secure properly.
    Check the lens/camera tripod socket for any debris inside, or you may have a poorly designed tripod plate and you have to machine down the screw or add a rubber shim.
     
  5. beddingfield

    beddingfield TPF Noob!

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    Should have been more clear then. Have the big lens attached to a detach plate as its permanent home, but am trying to get a canon ftb ITSELF attached to its own plate. Need a little help holding the camera steady for important photos.

    The screw well screws in fine, but the plate just rotates freely. Its a polaroid tripod that can hold 20 pounds of camera gear on it. Do I need a different type of plate?
     
  6. dxqcanada

    dxqcanada Been spending a lot of time on here!

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    What is the specific model of the Polaroid tripod?
     
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  7. TWX

    TWX No longer a newbie, moving up!

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    If the plate is spinning despite being pushed up against the underside of the camera, then there's not enough friction between the plate and the camera. If the screw in the plate is removable, you might consider putting a washer in between the screw and the underside of the plate, or you might try putting a rubber-band between the plate and the camera body. If the former works ,the screw is bottoming-out in the camera before the camera is cinched own against the plate. If the latter, could be the screw bottoming out, or it could be that the camera and plate are simply too slick and you need to get a thin piece of rubber or something to put between them.
     
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  8. beddingfield

    beddingfield TPF Noob!

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    72" 183cm tripod PLTRI72
    upc 8-92421 00240-0
     
  9. dxqcanada

    dxqcanada Been spending a lot of time on here!

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    upload_2020-1-11_15-14-18.png

    If that is the quick release plate ... it cannot possibly rotate on the tripod head, as it it rectangular.
     
  10. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    If the camera is turning in relationship to the plate, the plate isn't seated tight enough and the camera has enough torque to overcome the friction.
     
  11. Designer

    Designer Been spending a lot of time on here!

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    The black knob is supposed to fit into a recess in the bottom of the camera or lens collar. If your camera does not have a recess at that location, then the black knob is doing nothing at keeping the camera from rotating.

    You can either;

    remove the black knob
    add a shim under the camera
    get the correct QR plate for your camera
    add a lock washer or rubber washer under the camera
    (maybe other)
     
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  12. beddingfield

    beddingfield TPF Noob!

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    Then

    what would the correct QR plate for a canon ftb actually look like? a hotdog bug that wraps around it somehow?
     

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