Pentax KX help!!!

bjones1973 · 01-30-2010, 01:00 AM

Hi I just bought a Pentax KX , and I put an Ozeck lens on it, it fit well, and I've taken it off and on a few times since I've had it, but now it is stuck. What can/do I do?

PentaxPoke · 01-30-2010, 01:58 AM

Is Ozeck a K mount lens, or a R-K mount lens? If it is the latter, then maybe this is a Ricoh pin issue?

bjones1973 · 01-30-2010, 02:58 AM

I'm not sure of what kind of mount, but I've fitted it on my other two cameras, and it was okay. I also put it on this camera a few times, but now it won't come off, and I'm not sure of my options...

PentaxPoke · 01-30-2010, 11:35 AM

There are quite a number of people here that are knowledgeable about Pentax lens history, and I'm sure would know if the Ozeck has a Ricoh pin. In the meantime, search "Ricoh pin Pentax" etc. and you will see what I am talking about. The only time I have ever heard of a lens getting stuck on a Pentax is when it is a KR lens. Does your lens say "KR" or "RK" anywhere on it?

Last edited by PentaxPoke; 01-30-2010 at 11:40 AM.

stevebrot · 01-30-2010, 03:42 PM

Hi,
Welcome to the Pentax Forums!

Sorry that your first post had to be under these circumstances

Pentaxpoke is probably correct. The most likely cause is the Ricoh pin. Solutions generally include one or more of the following:

Fiddling with the MF/AF switch
Gently rocking/nudging the lens at the "stick" point
Insertion of a feeler guage between lens and mount in conjunction with the above
Visiting a reputable repair shop with possible sacrifice of the lens.

Sorry to sound so grim. It would be good for Pentax to add a warning to its user manuals regarding the potential issues with the Ricoh mount lenses. Ditto for brand-X M42 adapters! (These also are prone to getting stuck.)

Steve

bjones1973 · 01-30-2010, 05:30 PM

After discovering the Ricoh pin issue and searching as you suggested I found this page theatre of noise: Ricoh Lenses On Pentax Cameras -- The Ricoh Pin Fix , which explains it completely including how to recover the lens (without pulling out the hacksaw!!!Yes, it was getting to that!) And...it's OFF!!!!! Thank you, thank you, thank you!!!!!!! I've now put the original lens back on, and I swear it will NEVER come off...unless I know what I'm doing! Thanks, your info was AWESOME!!!! You are AWESOME!!!!!!

PentaxPoke · 01-30-2010, 05:40 PM

Awesome! I'm glad you were able to work it out without damage. Now that you have that pin out, everything should be fine.

This is the best thing about forums.

sterretje · 01-31-2010, 08:08 AM

Originally posted by stevebrot

It would be good for Pentax to add a warning to its user manuals regarding the potential issues with the Ricoh mount lenses. Ditto for brand-X M42 adapters! (These also are prone to getting stuck.)

Page 38 of the K100D manual:
We assume no responsibility nor liability for accidents, damages and malfunctions resulting from the use of lenses made by other manufacturers

What else must they say? Don't use make A, B or C? And next week/month/year make D comes and somebody happily puts it on his camera and the camera gets damaged and Pentax has to pay as make D was not mentioned in the manual.

stevebrot · 01-31-2010, 03:03 PM

Originally posted by sterretje

Page 38 of the K100D manual:
We assume no responsibility nor liability for accidents, damages and malfunctions resulting from the use of lenses made by other manufacturers

What else must they say? Don't use make A, B or C? And next week/month/year make D comes and somebody happily puts it on his camera and the camera gets damaged and Pentax has to pay as make D was not mentioned in the manual.

Thanks for the reference. I will have to scour my K10D manual to see if it says something similar. It is good to know that Pentax lawyers are aware of the issue.

The issue at stake here is somewhat different than your example. In this case, the Ricoh mount was on the market for several years before the Pentax AF mount debuted. The design incompatibility is long-standing, was there from the beginning, and is well-known to Pentax. For sure, you cannot "future proof" any warnings, but it stands to reason that you should not advertise compatibility with "thousands" of legacy K and screwmount lenses without taking some responsibility for a potentially fatal incompatibility.

Steve

stevebrot · 01-31-2010, 03:08 PM

Originally posted by PentaxPoke

Awesome! I'm glad you were able to work it out without damage. Now that you have that pin out, everything should be fine.

This is the best thing about forums.

+1

Glad that it all worked out!

Steve

sterretje · 01-31-2010, 10:17 PM

Originally posted by stevebrot

Thanks for the reference. I will have to scour my K10D manual to see if it says something similar. It is good to know that Pentax lawyers are aware of the issue.

Page 59

Originally posted by stevebrot

The issue at stake here is somewhat different than your example. In this case, the Ricoh mount was on the market for several years before the Pentax AF mount debuted. The design incompatibility is long-standing, was there from the beginning, and is well-known to Pentax. For sure, you cannot "future proof" any warnings, but it stands to reason that you should not advertise compatibility with "thousands" of legacy K and screwmount lenses without taking some responsibility for a potentially fatal incompatibility.

I don't know what they have ever exactly advertised so can not really judge.

What are the options? A list of all compatible lenses and if you forget one you will get sued by the manufacturer; or a list of incompatible lenses and if you forget one you get sued by the end user. Not a nice position to be in.

Damn Brit · 01-31-2010, 10:34 PM

Moved to Beginners Corner where it will have more value.

01-30-2010, 01:00 AM	#1
bjones1973 Inactive Account Join Date: Jan 2010 Location: Adelaide Posts: 3	Pentax KX help!!! Hi I just bought a Pentax KX , and I put an Ozeck lens on it, it fit well, and I've taken it off and on a few times since I've had it, but now it is stuck. What can/do I do?

01-30-2010, 02:58 AM	#3
bjones1973 Inactive Account Join Date: Jan 2010 Location: Adelaide Posts: 3 Original Poster	Not sure of mount... I'm not sure of what kind of mount, but I've fitted it on my other two cameras, and it was okay. I also put it on this camera a few times, but now it won't come off, and I'm not sure of my options...

01-30-2010, 03:42 PM	#5
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Hi, Welcome to the Pentax Forums! Sorry that your first post had to be under these circumstances Pentaxpoke is probably correct. The most likely cause is the Ricoh pin. Solutions generally include one or more of the following: Fiddling with the MF/AF switch Gently rocking/nudging the lens at the "stick" point Insertion of a feeler guage between lens and mount in conjunction with the above Visiting a reputable repair shop with possible sacrifice of the lens. Sorry to sound so grim. It would be good for Pentax to add a warning to its user manuals regarding the potential issues with the Ricoh mount lenses. Ditto for brand-X M42 adapters! (These also are prone to getting stuck.) Steve

01-30-2010, 05:30 PM	#6
bjones1973 Inactive Account Join Date: Jan 2010 Location: Adelaide Posts: 3 Original Poster	Big thank you!!!! After discovering the Ricoh pin issue and searching as you suggested I found this page theatre of noise: Ricoh Lenses On Pentax Cameras -- The Ricoh Pin Fix , which explains it completely including how to recover the lens (without pulling out the hacksaw!!!Yes, it was getting to that!) And...it's OFF!!!!! Thank you, thank you, thank you!!!!!!! I've now put the original lens back on, and I swear it will NEVER come off...unless I know what I'm doing! Thanks, your info was AWESOME!!!! You are AWESOME!!!!!!

01-30-2010, 01:58 AM	#2
PentaxPoke Veteran Member Join Date: Jan 2008 Location: Oklahoma Posts: 1,411	Is Ozeck a K mount lens, or a R-K mount lens? If it is the latter, then maybe this is a Ricoh pin issue?

01-30-2010, 11:35 AM	#4
PentaxPoke Veteran Member Join Date: Jan 2008 Location: Oklahoma Posts: 1,411	There are quite a number of people here that are knowledgeable about Pentax lens history, and I'm sure would know if the Ozeck has a Ricoh pin. In the meantime, search "Ricoh pin Pentax" etc. and you will see what I am talking about. The only time I have ever heard of a lens getting stuck on a Pentax is when it is a KR lens. Does your lens say "KR" or "RK" anywhere on it? Last edited by PentaxPoke; 01-30-2010 at 11:40 AM.

01-30-2010, 05:40 PM	#7
PentaxPoke Veteran Member Join Date: Jan 2008 Location: Oklahoma Posts: 1,411	Awesome! I'm glad you were able to work it out without damage. Now that you have that pin out, everything should be fine. This is the best thing about forums.

01-31-2010, 08:08 AM	#8
sterretje Veteran Member Join Date: Dec 2008 Location: Roodepoort, South Africa Photos: Gallery \| Albums Posts: 3,561	Originally posted by stevebrot It would be good for Pentax to add a warning to its user manuals regarding the potential issues with the Ricoh mount lenses. Ditto for brand-X M42 adapters! (These also are prone to getting stuck.) Page 38 of the K100D manual: We assume no responsibility nor liability for accidents, damages and malfunctions resulting from the use of lenses made by other manufacturers What else must they say? Don't use make A, B or C? And next week/month/year make D comes and somebody happily puts it on his camera and the camera gets damaged and Pentax has to pay as make D was not mentioned in the manual.

01-31-2010, 03:03 PM	#9
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by sterretje Page 38 of the K100D manual: We assume no responsibility nor liability for accidents, damages and malfunctions resulting from the use of lenses made by other manufacturers What else must they say? Don't use make A, B or C? And next week/month/year make D comes and somebody happily puts it on his camera and the camera gets damaged and Pentax has to pay as make D was not mentioned in the manual. Thanks for the reference. I will have to scour my K10D manual to see if it says something similar. It is good to know that Pentax lawyers are aware of the issue. The issue at stake here is somewhat different than your example. In this case, the Ricoh mount was on the market for several years before the Pentax AF mount debuted. The design incompatibility is long-standing, was there from the beginning, and is well-known to Pentax. For sure, you cannot "future proof" any warnings, but it stands to reason that you should not advertise compatibility with "thousands" of legacy K and screwmount lenses without taking some responsibility for a potentially fatal incompatibility. Steve

01-31-2010, 03:08 PM	#10
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by PentaxPoke Awesome! I'm glad you were able to work it out without damage. Now that you have that pin out, everything should be fine. This is the best thing about forums. +1 Glad that it all worked out! Steve

01-31-2010, 10:17 PM	#11
sterretje Veteran Member Join Date: Dec 2008 Location: Roodepoort, South Africa Photos: Gallery \| Albums Posts: 3,561	Originally posted by stevebrot Thanks for the reference. I will have to scour my K10D manual to see if it says something similar. It is good to know that Pentax lawyers are aware of the issue. Page 59 Originally posted by stevebrot The issue at stake here is somewhat different than your example. In this case, the Ricoh mount was on the market for several years before the Pentax AF mount debuted. The design incompatibility is long-standing, was there from the beginning, and is well-known to Pentax. For sure, you cannot "future proof" any warnings, but it stands to reason that you should not advertise compatibility with "thousands" of legacy K and screwmount lenses without taking some responsibility for a potentially fatal incompatibility. I don't know what they have ever exactly advertised so can not really judge. What are the options? A list of all compatible lenses and if you forget one you will get sued by the manufacturer; or a list of incompatible lenses and if you forget one you get sued by the end user. Not a nice position to be in.

01-31-2010, 10:34 PM	#12
Damn Brit Guest	Moved to Beginners Corner where it will have more value.

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