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08-13-2022, 10:21 PM   #1
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Pentax ME Super a problem

I bought a Vivitar 80-200mm f4.5 MC Macro Focusing Lens Pentax K for my Pentax ME Super. I think it works but the shutter is stuck. No matter if it is in auto, manual, 125 or B. What I doing wrong?

08-14-2022, 02:38 AM   #2
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QuoteOriginally posted by Godan72 Quote
I bought a Vivitar 80-200mm f4.5 MC Macro Focusing Lens Pentax K for my Pentax ME Super. I think it works but the shutter is stuck. No matter if it is in auto, manual, 125 or B. What I doing wrong?
If the ME super worked before you mounted the Vivitar then problem lies with the lens. Maybe the back of the lens is blocking the mirror?
08-14-2022, 03:40 AM   #3
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QuoteOriginally posted by Godan72 Quote
I bought a Vivitar 80-200mm f4.5 MC Macro Focusing Lens Pentax K for my Pentax ME Super. I think it works but the shutter is stuck. No matter if it is in auto, manual, 125 or B. What I doing wrong?
Does it still work with other lenses?
Trying the lens it came with is a good way of checking for a coincidental change.

BTW - welcome to the forum!
08-14-2022, 03:42 AM   #4
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Yes. when I take the lens out it unlocks and with other lenses it works fine. However the vivitar's mount is pk just like the orhers.

08-14-2022, 04:43 AM   #5
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QuoteOriginally posted by Godan72 Quote
Yes. when I take the lens out it unlocks and with other lenses it works fine. However the vivitar's mount is pk just like the orhers.
Make a picture of the mount, put it in a post, so the PF-specialists can take a look. Maybe it is PK with a slight deviation?
08-14-2022, 05:52 AM   #6
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Here are the pictures.
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08-14-2022, 05:52 AM   #7
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Does the aperture lever move freely?

08-14-2022, 06:01 AM   #8
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Yes. It moves freely. When I press the button to release the lens, the shutter that was stuck is released.
08-14-2022, 06:26 AM   #9
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There's one on eBay for K-mount. Photo shows the mount.
Vivitar (28138925) 80-200MM 1:4.5 MC Zoom 58MM Camera Lens w/ Carrying Case | eBay

Do you have another K-mount body to test it on?
08-14-2022, 06:38 AM   #10
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Yes, the mount is the same except for some contacts that it has for the electrical part the vivitar does not have. but if this were the problem it should work with the speed at 125 which is purely mechanical and doesn't work either.

---------- Post added 08-14-22 at 06:40 AM ----------

This Vivitar doesn't works but the others do not present any problem.

---------- Post added 08-14-22 at 06:40 AM ----------

This Vivitar doesn't works but the others do not present any problem.

---------- Post added 08-14-22 at 06:53 AM ----------

I haven't another pk mount body for test, but I'll have to take it to a technician because I don't see any differences with the other lenses I have.
08-17-2022, 09:35 AM   #11
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Is there play between the lens bayonet flange and that of the body? Did you try twisting the lens perpendicularly to the flange when the shutter is locked to see if it releases?
08-18-2022, 03:10 PM   #12
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It unlocks when I rotate the lens after pressing the release button. I already saw that there is a small difference in the mount, it is a pk but it has a difference with the other mounts that do work. I have to find out if there are adapters for the different versions of pk, that is from one pk to another pk.
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