Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
01-16-2012, 01:39 PM   #1
Site Supporter
Site Supporter
ramseybuckeye's Avatar

Join Date: Apr 2009
Location: Hampstead, NC
Photos: Gallery
Posts: 16,787
Disassembly of M zoom

I bought an M40-80 zoom that was infected with fungus. I bought this for a "project", it was cheap and I've wanted to take a lens apart. I've removed the first two elements and the rear and next two from the rear.. There was fungus on the first two, the and the rear. The two remaining elements have fungus between them, but none on the back of element four which is now exposed from the back. The aperture blades are behind element four and are very clean and snappy. Element three appears to possibly be threaded, nothing holding it in from the front. It may even be glued? I don't know how to get it out. I would prefer not to disassemble the other internal parts of the lens. Once three is out I can complete the cleaning and put the lens back together. Possibly these were assembled from the rear of the front barrel, but I haven't figured out how to remove that, it is probably fastened internally since there are no external scrws on it.

Anybody have any insight on this?

Name:  20120116_0016.jpg
Views: 534
Size:  77.9 KB

01-18-2012, 05:55 AM   #2
Veteran Member
8540tomg's Avatar

Join Date: Feb 2008
Location: Waterloo, Ontario
Photos: Gallery
Posts: 4,461
Haven't got any advice but I'm curious to see how this turns out. I never had a need to take any of my lenses apart, probably a good thing for the lens, but I've been tempted just to see how they are put together. Good luck with this project Tom.

Tom G
01-18-2012, 04:46 PM   #3
Site Supporter
Site Supporter
ramseybuckeye's Avatar

Join Date: Apr 2009
Location: Hampstead, NC
Photos: Gallery
Posts: 16,787
Original Poster
QuoteOriginally posted by 8540tomg Quote
Haven't got any advice but I'm curious to see how this turns out. I never had a need to take any of my lenses apart, probably a good thing for the lens, but I've been tempted just to see how they are put together. Good luck with this project Tom.

Tom G
Thanks for the moral support. Right now it's on hold, I haven't had time to jump in more. I'm afraid I've got to find somewhere else to set this out, my wife is wanting the counter back. I've got to get some JIS screwdrivers before I go further. I've got some small Phillips, but I won't use them unless the screw has little resistance, I just don't want to screw up the heads.

Any Know-how out there?
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
element, elements, front, fungus, k-mount, lens, pentax lens, slr lens
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Super Program disassembly pyra_ohms Film SLRs and Compact Film Cameras 13 11-08-2023 06:53 PM
ZX-5n disassembly with pictures Sluggo Film SLRs and Compact Film Cameras 25 05-02-2019 07:54 PM
Help: K 50mm 1.4 disassembly EddieAmzel Pentax SLR Lens Discussion 5 09-19-2011 10:28 AM
SMC 50mm f2 disassembly Gashog Film SLRs and Compact Film Cameras 12 10-07-2010 03:25 AM
Takumar A 70-200 F4 zoom disassembly Stratman Pentax SLR Lens Discussion 3 07-10-2008 07:51 AM



All times are GMT -7. The time now is 06:42 AM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top