Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
05-11-2009, 08:19 AM   #1
Pentaxian




Join Date: Apr 2007
Location: Oklahoma USA
Posts: 1,475
rear lens cap question

I find that the OEM Pentax rear caps for my DA lenses aren't exactly secure. The Sigma rear cap that came with my Sigma lens (during its brief two-week life with me, before I lost it), seemed to be indexed in a way that made it more complicated to attach (I think - not many observations there), but was relatively secure (maybe because it was new; I'll never know.)

Since I now need at least one new rear cap, does anyone have a source of easy-to-use-but-secure caps? I definitely don't want something like my Canon FD rear caps, which require negotiation to remove/install, but I don't like the Pentax OEM caps falling off either (especially after a few uses.)

I assume any K cap will fit any lens(?)

Thanks

Paul

05-11-2009, 08:26 AM   #2
Veteran Member
OregonJim's Avatar

Join Date: Mar 2009
Location: Willamette Valley, Oregon
Posts: 1,329
I have a few loose rear caps as well. Have been thinking of heating them with a hair dryer and squishing the bayonet channel a bit to give them more grab. It's on my rainy day list of things to do...
05-11-2009, 08:42 AM   #3
Loyal Site Supporter
pacerr's Avatar

Join Date: Jan 2008
Location: Henry, TN
Photos: Gallery | Albums
Posts: 2,849
Try a few dabs of finger nail polish or a silicon sealer in stratigic spots. Just don't try to remove the enamel with acetone based thinners without testing first. You can also get a very durable, rubber-like substance anywhere electrical supplies are sold under the label "Liquid Insulation" or similar. Handy for many applications including resurfacing old tripod heads.

H2
05-11-2009, 09:30 AM   #4
Loyal Site Supporter




Join Date: Sep 2006
Location: Bronx NY
Photos: Gallery | Albums
Posts: 5,599
I've usually had good luck with the rear caps I've gotten from Adorama. They do tend to wear out with use, I replace mine every 2 to 4 years (depending on use). Just be sure to get the hard plastic screw on type rather than the soft poly push on type.

NaCl(and I too have have had problems with the sigma/pentax 'combo' rear caps)H2O

05-11-2009, 10:09 AM   #5
Senior Member




Join Date: Feb 2007
Location: Michigan/USA
Posts: 173
The Tamron rear caps are quite grabby also.
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!
cap, caps, k-mount, lens, lens cap, oem, pentax, pentax lens, sigma, slr lens
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
lost rear lens cap what can i use? kangamel Troubleshooting and Beginner Help 10 12-12-2010 04:55 AM
For Sale - Sold: Canon FD rear lens cap heatherslightbox Sold Items 1 03-31-2009 08:08 PM
Pentax 18-55 II - rear lens cap gemini Pentax SLR Lens Discussion 6 03-16-2009 12:47 PM
Rear cap question on 18-55 mkII slomojoe Pentax SLR Lens Discussion 3 01-07-2009 01:49 PM



All times are GMT -7. The time now is 05:06 PM. | See also: NikonForums.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