[monochrome]

This is painfully embarrassing to admit - but - I purchased an otherwise pristine K35/2 that has been modified to fit Canon EOS with an adapter. I was unaware that 'conversion' means the aperture lever has been cut off and the baffle removed from the mount, so the lens [EDIT: can only not be shot focused on Pentax cameras wide open. It operates as an old Takumar did before open-aperture metering].

I have [EDIT: no] recourse with the seller [EDIT:but I decided I'll likely not see another K35/2 this nice (otherwise) any time soon.].

Is it possible to return this lens to full operating condition on a K-mount camera - even if I have to buy a donor lens for parts - or will this be my first life lesson in used lens purchases?

If I need to buy a donor lens, will a surplus M50/1.7 from my FS table suffice or must I purchase a K series (I suspect the M lens will suffice - thankfully we aren't talking about A and later lenses)?

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Last edited by monochrome; 08-06-2014 at 12:00 PM.

[interested_observer]

I would send an email to Eric to see if he has the spare parts and get an estimate. Perhaps include a picture.

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[patrick9]

+1 on checking with Eric

[monochrome]

I would send an email to Eric to see if he has the spare parts and get an estimate. Perhaps include a picture.

+1 on checking with Eric

Thanks - I thought about doing it myself, but Yeah, this will be something like the 30th item I've sent to Eric. He once replaced the 'A' Locking pin on a NOS Series 1 lens I broke - I had to buy a donor lens, but it has the exact pin - and he's CLA'ed 50's Auto-Tak's for me.

I'm quite sure he can return it to original condition.

[boriscleto]

Why would it only shoot wide open? Does the aperture ring not open and close the iris?

[Not a Number]

I bought a used Kiron teleconverter with electrical contacts that the auto aperture stop-down lever had been cutoff. I plan on soldering on some sheet brass. I just haven't gotten around to doing it.

The lever has to be operated to stop an "A" lens down in "A" mode. Otherwise it remains closed (my error).

[monochrome]

Why would it only shoot wide open? Does the aperture ring not open and close the iris?

I should have said I can't focus with it wide open. Rather it acts like an old Takumar lens - open to focus, close to shoot.

I didn't notice when I took the converter off and I didn't get out to test it for two weeks. I just figured this out last night.

Should have RTFP.

[boriscleto]

I should have said I can't focus with it wide open. Rather it acts like an old Takumar lens - open to focus, close to shoot.

I didn't notice when I took the converter off and I didn't get out to test it for two weeks. I just figured this out last night.

Should have RTFP.

I have made my feelings clear on what should happen to Canon FF shooters who do this to K-mount lenses...

They should be similarly 'modified'.

[monochrome]

I have made my feelings clear on what should happen to Canon FF shooters who do this to K-mount lenses...

They should be similarly 'modified'.

I imagine it would be difficult to obtain donor parts to reverse that procedure.

All is well. Seller has communicated nicely, Eric can fix it, and I like the lens otherwise.

[jcdoss]

Monochrome, what's the cost for damage reversal? I've got a neutered lens I might like to restore also.

[monochrome]

Monochrome, what's the cost for damage reversal? I've got a neutered lens I might like to restore also.

I'll let you know when I get the estimate from Eric. My lens is packed for shipping. My guess is the same as a lens CLA plus parts or donor lens..

[Douglas_of_Sweden]

I can't help you with this....just wanted to say that anyone doing such a terrible thing to such a lens should be...well, I can't write that...could upset the forum staff...but you know what I mean.

[monochrome]

I can't help you with this....just wanted to say that anyone doing such a terrible thing to such a lens should be...well, I can't write that...could upset the forum staff...but you know what I mean.

It can all apparently be put back together good as new, so there's that. I must say there was an unprintable string of invective when I discovered the amendment and another when I saw what I had overlooked in the sale notice. Seller was quite reasonable but I've decided to repair the lens.

In the end I suppose having the opportunity to be a good steward of our legacy has its redeeming qualities.

[jcdoss]

I'll let you know when I get the estimate from Eric. My lens is packed for shipping. My guess is the same as a lens CLA plus parts or donor lens..

What's the poop, Monochrome? Did you get a quote back yet?

[monochrome]

Nope. Sometimes he isn't immediate - he gets busy.