HELP! I attached a 50mm lens, manufactured by JCPenny!, onto my just purchased Canon AE 1 and now I cant get the damn thing off. The camera came with three lenses all of which went on and came off without a problem. I have dismantled as much of the lens as possible. Had a jeweler attempt removal alas to no success.
How do I remove this JCPENNY lens....
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- Thread starter Lismoreian
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Was the stop-down slide unlocked before you mounted the lens? If not, you might be able to unlock that and get it to come loose. another thought, did you try to fire the shutter? That may help as well. The main thing though, is the the stop-down slide(DOF preview) on the front left side of the body next to the lens. According to Canon, this must be unlocked prior to mounting a lens for just that reason. The tell is a red dot on the camera lens mount indicates it is locked and must be retracted. They also instruct to have the the film fully advanced before installing a lens. These are the only causes that come to mind.
Rick
Rick
Whack it with a Sears lens.
Posted wirelessly..
Or a cheap Soligor.
Or a cheap Soligor.
Is there any other kind?
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Is it an earlier breech-bloc lens? If so, and it was put on before setting the breech bloc to the fully open position, only a camera repair person can get it off. I know. It's happened to me.
I tried that- one of the 3 lenses that this camera came with is a Sears zoom lens. Maybe I should whack it! from a distance.
Is the lens aligned properly? With the focusing index at the 12 o'clock position.
I do believe that this is may be the issue. What tool does the camera repair person have? I have removed the glass, am left with shell attached to the camera.
please expand on this. I cannot align the little red dot to 12-it does not wish to go there. What I did notice was that the fstop ring which is right before the lens mount ring has...i dont have the lens in front of me right now. May have to respond tomorrow.
focusing index is gone.
How about the aperture index? It should be at top dead center on the lens.
In any case, if it's mis-aligned the solution is going to be basically to force it back into alignment
& hope you don't f**k up the linkage in the body when you do it.
That's righty-tighty, lefty-loosey.
For what it's worth, neither the lens or the body can be dis-assembled with the lens mounted.
In any case, if it's mis-aligned the solution is going to be basically to force it back into alignment
& hope you don't f**k up the linkage in the body when you do it.
That's righty-tighty, lefty-loosey.
For what it's worth, neither the lens or the body can be dis-assembled with the lens mounted.
when looking at the camera-the aperture index and the mount index will go as far as 1-2 o'clock. they will turn right to about 3 o'clock and that is it.
Very careful, precise work is required. With a big fookin' pipe wrench.
You can always take a hacksaw to the lens--chew it off at the base, taking great care not to saw into the camera body--yeesh!
Rick
Rick
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My best advice is still to use a professional repairer but you seem pretty determined to diy so...
The shutter will probably still fire.
Use a cable release, open the shutter on "B" and leave it open.
Open the camera back and look at the back of the lens.
The levers you can see at the left hand side (and at the bottom if you have a tiny inspection mirror) are likely the problem if you've mounted a lens wrongly.
Obviously while any object is in its way the shutter MUST NOT CLOSE!!
If you can't then tell what needs to be done try to post a picture showing the levers and the back of the lens.
The shutter will probably still fire.
Use a cable release, open the shutter on "B" and leave it open.
Open the camera back and look at the back of the lens.
The levers you can see at the left hand side (and at the bottom if you have a tiny inspection mirror) are likely the problem if you've mounted a lens wrongly.
Obviously while any object is in its way the shutter MUST NOT CLOSE!!
If you can't then tell what needs to be done try to post a picture showing the levers and the back of the lens.
ring remover
windex
(note for next time) switch to nikon
windex
(note for next time) switch to nikon
a hacksaw is what finally worked! Thank you all for your input.
How 'bout posting some pics of the whole procedure, and the aftermath. I'm sure everyone would like to see the carnage.
Rick
Rick
(Jumping up and down) OOO-OOO! Yeah-yeah!
My buddy brought an A1 or T90 body to me years ago with a 3rd party extension tube or teleconvertor stuck to it. I recall dismantling it as far as I could to no avail and that it was either a hacksaw or a dremel with a cut-off tool that finally got it done. Should also mention that I stuffed a clean soft cloth down the lens mount opening to keep all the chips from flying into the mirror chamber and shutter.
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