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Classic Camera Repair » Archives-2005 » Pentax k1000: Help! my photos ARE half bad!!! « Previous Next »

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J. Eastman

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Posted on Tuesday, March 01, 2005 - 05:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

i started using my old p/k1000 again after a few years in the closet and now all my shots are half or a third darkened! the walmart photo jerk says my flash is out of sync, but half the photo is perfect,so i'm not buying that.I'll try to attatch an example so you can see what i mean.any help would be great, thanx
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Ed

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Posted on Tuesday, March 01, 2005 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

If you were using flash and the shutter was set above 1/60 of second--Walmart is right.
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Jim Murray

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Posted on Tuesday, March 01, 2005 - 05:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Have the camera serviced-clean, lube, adjust by a
technician familiar with your type of camera. The
problem sounds like the follower shutter curtain
rod is catching up to the leader, so that part of
the film is never exposed to light.
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j. Eastman

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Posted on Tuesday, March 01, 2005 - 05:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

here are two examples of my dysfunction: \image badshot1.jpg and \image badshot2.jpg
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J. Eastman

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Posted on Tuesday, March 01, 2005 - 06:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

why would a speed of over 1/60 cause a flash prob? and how would one go about sync. a flash ?
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Steve

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Posted on Tuesday, March 01, 2005 - 09:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

On your camera, and many others, 1/60th of a second is the fastest shutter speed at which the entire film plane is exposed at one time. When you snap the photo at 1/60th, the shutter curtains are set far enough apart to allow the entire film plane to be exposed when the flash fires. Faster shutter speeds require a smaller opening between the shutter curtains, and as this opening moves across the film plane, the flash is triggered. Because of this, only a portion of the film plane is exposed when the flash fires, giving you a partially-exposed photo. Not all cameras have the same sync speed. Some newer cameras are much faster. The only way to sync the flash is to make sure your flash pictures are taken at the flash sync shutter speed specific to your camera. It is always possible that there is something mechanically wrong with the shutter, like a broken spring, dirt, misaligned parts, etc. Double-checking your sync speed is the cheapest thing to check. Hope this helps. Best wishes.

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