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Thread: Simple bulb only shutter

  1. #21

    Join Date
    Jan 2013
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    Estonia
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    Re: Simple bulb only shutter

    What about a sector shutter? Basically a rotating disk with a cutout for the open position. I think a rotating design would be easier to build and control than a large sliding piece or flapping door. Apologies for the crude drawing but maybe something along those lines?

    Click image for larger version. 

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  2. #22

    Join Date
    Feb 2012
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    61

    Re: Simple bulb only shutter

    Quote Originally Posted by ottluuk View Post
    What about a sector shutter? Basically a rotating disk with a cutout for the open position. I think a rotating design would be easier to build and control than a large sliding piece or flapping door. Apologies for the crude drawing but maybe something along those lines?

    Click image for larger version. 

Name:	sector.jpg 
Views:	28 
Size:	26.5 KB 
ID:	171225
    That actually looks pretty good!! I think I may try and mock something up this weekend, thank you!

  3. #23
    Jim Jones's Avatar
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    Aug 2006
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    Chillicothe Missouri USA
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    2,369

    Re: Simple bulb only shutter

    The rotating shutters on the early Kodak (and other) box cameras would be easy to copy, and provide instant and time exposures. Varying the spring tension could give a modest range of instant exposures. Rotating shutters can be bulkier than a guillotine shutter. Adding one part to either type can provide bulb exposures.

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