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01-16-2019, 05:43 AM   #1
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Pentax MX - should the shutter curtain look like this?


longtime reader, fist time poster here.
I have only seen cameras where the shutter curtain didnít have a plastic bar across it (maybe because that plastic bar was hidden in the body somewhere.

So my question is: does this look right to you? Or should I be concerned?

Thank you for your help!


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01-16-2019, 06:36 AM - 1 Like   #2
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That looks perfectly normal to me... as long as the shutter has only been cocked about half way. If you complete the wind cycle, it shouldn't look like that.
01-16-2019, 11:34 AM - 1 Like   #3
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That bar you see is actually made of metal, and it is the crimped-on edge of one of the two rubberized fabric shutter curtains.

A second one is hidden behind it, crimped to the other shutter curtain.

The two overlap while winding film and re-cocking the shutter to stop light from reaching the film. When firing the shutter, one shoots across the film plane first, and the second one follows it - the delay determined by the shutter speed setting. Try firing the shutter on bulb with the door open a few times, and you'll get the gist of it.

With your divider about a third away across the film gate, your shutter is only about a third cocked. With the shutter fully cocked, both metal edges are hidden behind the right side of the film gate. When fired, they're hidden behind the left side.
01-17-2019, 04:50 AM   #4
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thanks, guys, that helps a lot!

this is a pic from an ebay auction, so I'll just ask the seller to check it for me. just wanted to see if something's wrong with the camera...



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