Forgot Password
Pentax Camera Forums Home

Show Printable Version Search this Thread
08-16-2008, 05:35 AM   #1
Site Supporter
Site Supporter
germar's Avatar

Join Date: Apr 2007
Location: Austin Texas
Photos: Gallery
Posts: 728
Lens storage case or not?

Hi, All:

I have a fairly big collection of Takumar M42 lenses, the majority of them with hard cases. I am concerned that storing them in the case is not a good idea due to being in a closed container in the dark. (Fungus?)

I currently keep the lenses inside their case, stored in a cabinet under air conditioning. Humidity is fairly well controlled, about 56% RH @ 78F. I am considering storing the lenses in open air, but then there's the trade off of dust build up.

Does my concern have merit? I lost a 400mm Sigma back in the 80s due to fungus, and I had kept it in the case. I worried that long-term case storage contributed to the lens' demise. What do you all think?



08-16-2008, 06:00 AM   #2

Join Date: Oct 2007
Location: Savannah, U.S./Baguio City, P.H.
Posts: 5,979
just get some silica gel packets and put one in each case. that should help. change them out every now and again and it should keep them plenty safe. I have no special cabinet to keep my lenses and they stay in open air except my few takumars for which I store them as described above. as long as the caps are on and you dust on a regular basis (as one should) I don't really see how dust could be a problem.
08-16-2008, 10:40 PM   #3
Veteran Member

Join Date: Jan 2008
Location: Seattle, Washington, USA
Photos: Gallery
Posts: 812
+1 to Séamuis, based on my own experience maintaining lenses since the early '70s. If mine aren't on the camera, they're in their cases. I change/dry out the silica gel packets every couple of months (Pacific NW, y'know). Never lost a lens to fungus yet!
08-17-2008, 07:09 PM   #4
Veteran Member
creampuff's Avatar

Join Date: May 2007
Location: Singapore
Photos: Gallery
Posts: 3,955
It really depends on how dry it is where you live. The threat from fungus is real even when kept in hard cases with silica gel packets. Secondly the problem is in the foam padding which will disintegrate over time, leaving black sticky residue. Best to keep your gear in a humidifier case at 40-45% RH setting.

08-17-2008, 07:29 PM   #5
Site Supporter
Site Supporter
Aristophanes's Avatar

Join Date: Jul 2008
Location: Dartmouth, Nova Scotia
Photos: Albums
Posts: 3,948
Silica gel packs are best available at the link and if you match the right size to the contained area, you can get the moisture down to a Mojave level:

I have no relationship with the company; just used their products in a different line of work and realized they were ideal for optical equipment storage.

  • 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!
air, k-mount, lens, lenses, pentax lens, slr lens, storage
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
Storage question (digital storage for the photos) mrbdm99 Troubleshooting and Beginner Help 12 10-20-2010 03:05 PM
Lens Storage Deiberson Pentax SLR Lens Discussion 12 01-26-2010 12:44 AM
Lens Storage 2 BillM Pentax SLR Lens Discussion 4 01-24-2010 07:56 PM
Lens storage luckyrabbit Pentax SLR Lens Discussion 17 01-29-2009 05:33 PM
lens hoods, lens caps, UV filters and camera storage Ed in GA Pentax SLR Lens Discussion 4 12-22-2007 01:40 PM

All times are GMT -7. The time now is 10:46 PM. | See also:, 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?
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]