Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
04-25-2012, 06:15 AM   #1
Veteran Member




Join Date: Jan 2012
Location: NE, USA
Posts: 1,302
What is a SDM failure like?

How does an SDM failure progress? Is it gradual or all at once?

Is it repairable / economically?

Are certain lenses more prone to this failure than others?

Thanks

04-25-2012, 06:51 AM   #2
Veteran Member
Anvh's Avatar

Join Date: Sep 2011
Posts: 4,616
Never had failure so don't know.

for lenses.
almost no failures = DA*55, DA*200, DA*300, DA*60-250
more failures = DA17-70, DA*16-50, DA*50-135
04-25-2012, 07:08 AM   #3
Veteran Member
joe.penn's Avatar

Join Date: Mar 2011
Location: Maryland (Right Outside Washington DC)
Photos: Gallery | Albums
Posts: 2,902
QuoteOriginally posted by slackercruster Quote
What is a SDM failure like?
It is like a crushing blow to your moral, the feeling of losing a friend, the "WHHHHHHYYYYYYYYYYYYYYYYYY oh WHHHHHHHHHHHHHHHYYYYYYYYYYYY" [as you are screaming in vain]...
04-25-2012, 10:24 AM   #4
Senior Member




Join Date: Nov 2008
Location: BC
Posts: 219
It's happened with every SDM lens that I've owned.....But I still LOVE THE LENSES!!! Mine have started by squeaking. The last culprit, was the DA*60-250- I noticed that it was squeaking more than usual at the last soccer match I was at. I just talked to Pentax Canada, and they suggested I send the lens in sooner than later. So, once again, my lens is adrift in repair land. On my 16-50, it started with occasional squeaks, then intermittently focusing, then not focusing. Ditto for the 50-135. Something makes me think that the ultra dry Okanagan weather effects these lenses. But you know what? I tried other lenses, and I go right back to the Pentax. In my opinion, nothing compares.

04-25-2012, 11:31 AM   #5
Veteran Member
liukaitc's Avatar

Join Date: Jul 2010
Location: New York
Photos: Albums
Posts: 1,008
for my 16-50. It is gradual. I find it became more and more frequent to not focus. and eventually I sent out for repair.
04-25-2012, 11:48 AM   #6
Site Supporter
jpzk's Avatar

Join Date: Jan 2009
Location: Québec
Photos: Gallery | Albums
Posts: 7,255
I had one instance of failure of the SDM and it was a DA*16-50: started with a squeaking, like some of the owners above, and it gradually started to not focus at all in AF.

I sent the lens back and it was returned .... as a brand new copy!
Mind you, it was still under warranty.

JP
04-25-2012, 01:18 PM   #7
Veteran Member
Anvh's Avatar

Join Date: Sep 2011
Posts: 4,616
Those that go slowly can often be repaired by yourself by tightening a screw or shaft.
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!
failure, k-mount, pentax lens, sdm, sdm failure, slr lens
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Another SDM Failure - 16-50mm f/2.8 Donkeypunch Pentax SLR Lens Discussion 40 12-05-2011 05:09 PM
Beginnings of SDM failure? krypticide Pentax SLR Lens Discussion 11 08-01-2011 11:35 AM
Is this Pentax way of admitting SDM was a failure? mfdesalas Pentax SLR Lens Discussion 49 12-28-2010 11:34 PM
The official SDM AF Failure Thread Donkeypunch Pentax SLR Lens Discussion 43 07-16-2010 04:48 PM
Second SDM failure for DA*16-50mm lens candgpics Pentax SLR Lens Discussion 19 07-07-2010 04:16 AM



All times are GMT -7. The time now is 06:15 PM. | 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