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Canon AE-1 Program Lens Stuck



 
 
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  #1  
Old June 17th 17, 05:09 AM posted to aus.photo,rec.photo.equipment.35mm
Computer Nerd Kev
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Posts: 6
Default Canon AE-1 Program Lens Stuck

I know these aren't the most active of newsgroups, but perhaps
worth a try...

About a year (or was that two...) ago, my Korean made "Kalimar"
zoom lens became stuck on my Canon AE-1 Program. It had always
been difficult to get on (not off) since I bought it second-hand
a few years earlier. This last time though, upon removal I was
only able to rotate the lens ring some of the way before it became
stuck in a loose state where it wouldn't rotate back to the
"locked-in" position, or allow the lens to be removed.

So far I've tried undoing a few of the screws on the lens around the
comera end, but they didn't offer any improved access, and in final
desperation I tried brute force applied from various angles, but no
change resulted (except for an unfortunate dent). I had a look
through two service manuals on the web for the AE-1 Program, but
they didn't inspire any further ideas.

Luckily I had another AE-1 (non-program) which I've switched now
instead. But it's a frustrating way to loose a camera, so any
suggestions on how to bring the "Program" off the shelf and back
into service would be appreciated.

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  #2  
Old June 17th 17, 11:17 AM posted to aus.photo,rec.photo.equipment.35mm
Noons
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Posts: 3,245
Default Canon AE-1 Program Lens Stuck

On 17/06/2017 2:09 @wiz, Computer Nerd Kev wrote:
I know these aren't the most active of newsgroups, but perhaps
worth a try...

About a year (or was that two...) ago, my Korean made "Kalimar"
zoom lens became stuck on my Canon AE-1 Program. It had always
been difficult to get on (not off) since I bought it second-hand
a few years earlier. This last time though, upon removal I was
only able to rotate the lens ring some of the way before it became
stuck in a loose state where it wouldn't rotate back to the
"locked-in" position, or allow the lens to be removed.

So far I've tried undoing a few of the screws on the lens around the
comera end, but they didn't offer any improved access, and in final
desperation I tried brute force applied from various angles, but no
change resulted (except for an unfortunate dent). I had a look
through two service manuals on the web for the AE-1 Program, but
they didn't inspire any further ideas.

Luckily I had another AE-1 (non-program) which I've switched now
instead. But it's a frustrating way to loose a camera, so any
suggestions on how to bring the "Program" off the shelf and back
into service would be appreciated.




Are you in Sydney, Australia?
If so, take the lot to Camera Service Centre in the CBD,
here is their website and location/phone:

http://www.cameraservicecentre.com.au/

Over the last 10 years they have been second to none in fixing all my
lenses and cameras, at a very good price and superb quality of work.
  #3  
Old June 18th 17, 04:30 AM posted to aus.photo,rec.photo.equipment.35mm
Computer Nerd Kev
external usenet poster
 
Posts: 6
Default Canon AE-1 Program Lens Stuck

In aus.photo Noons wrote:
Are you in Sydney, Australia?
If so, take the lot to Camera Service Centre in the CBD,
here is their website and location/phone:

http://www.cameraservicecentre.com.au/

Over the last 10 years they have been second to none in fixing all my
lenses and cameras, at a very good price and superb quality of work.


Thanks, but I'm in country Victoria and I don't think there
would be any places nearby who would still handle film cameras.

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  #4  
Old June 17th 17, 03:37 PM posted to aus.photo,rec.photo.equipment.35mm
Dennis Boone
external usenet poster
 
Posts: 18
Default Canon AE-1 Program Lens Stuck

So far I've tried undoing a few of the screws on the lens around the
comera end, but they didn't offer any improved access, and in final
desperation I tried brute force applied from various angles, but no
change resulted (except for an unfortunate dent). I had a look
through two service manuals on the web for the AE-1 Program, but
they didn't inspire any further ideas.


I'm not familiar with the lens, but if the relevant screws are set
screws holding the outer ring to some moving part, _tightening_
may be the direction to go.

De
  #5  
Old June 18th 17, 04:20 AM posted to aus.photo,rec.photo.equipment.35mm
Computer Nerd Kev
external usenet poster
 
Posts: 6
Default Canon AE-1 Program Lens Stuck

In aus.photo Dennis Boone wrote:
So far I've tried undoing a few of the screws on the lens around the
comera end, but they didn't offer any improved access, and in final
desperation I tried brute force applied from various angles, but no
change resulted (except for an unfortunate dent). I had a look
through two service manuals on the web for the AE-1 Program, but
they didn't inspire any further ideas.


I'm not familiar with the lens, but if the relevant screws are set
screws holding the outer ring to some moving part, _tightening_
may be the direction to go.


Thanks, but the whole lens body turns with the ring on this lens.
Wikipedia informs me that this is the "New FD" mount, but should
still work with the AE-1 (as it did before it got stuck). I just
had a check of the screws anyway, but they seem in well enough.

I never found an exact match for this lens online, but doing a
wider search now it seems that it was sold under a range of
different brand names, with range of different mounts:
https://www.pentaxforums.com/userrev...auto-zoom.html
http://allphotolenses.com/lenses/item/c_3412.html
http://m42lens.com/m42-lens-database...8mm-f-4-4-5-22

Perhaps that explains why the KD mount design might not have
been as refined as one would hope.

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