----- Original Message -----
From: "paul stenquist" <pnstenqu...@comcast.net>
To: "Pentax-Discuss Mail List" <pdml@pdml.net>
Sent: Saturday, January 23, 2010 10:22 PM
Subject: Re: SDM Failure
On Jan 23, 2010, at 11:12 PM, Rob Studdert wrote:
On 24/01/2010, paul stenquist <pnstenqu...@comcast.net> wrote:
I don't know that I'm lucky. Perhaps. But it seems that those who have
failures seem to experience them in droves, while others have no
problems whatsoever. Don't know why, but there seem to be patterns here.
There are patterns, it's a problem, you should be able pic up a lens
and have it work after say a 3 month break. I don't always carry my
long glass, it stays in my safe for the most part but I know that when
I do need it it will work. Having to regularly exercise a lens to
guarantee it works is pretty lame (assuming that's part of the
pattern), the only bit of photo gear that I do accept needs a regular
workout to keep it functioning is my now 40 y/o M4.
I think all camera with shutters need some regular use. I have a dozen or
so cameras in a display case. I regularly fire them all off a few times.
I think all mechanical equipment needs regular use. I've been sewing since
I was 14 & it's always been recommended that the sewing machine get used
regularly and to occasionally take the machine to high speeds if you've got
a nice long straight seam to stitch up. Don't cars need an occasional run on
the highway if the car doesn't get a lot of highway driving? I've been
known to fire the shutter button a few times, as well, if the camera has
been sitting idly. Also, I forgot I'd left my DA* 50-135mm in a camera bag
on the floor in a room which has no radiator heat--so the room is on the
cool side by choice--& probably 2 weeks later when I remembered the lens, I
retrieved it and it was cool to the touch. I immediately put it on the
camera and worked it a bit, and it was a tad sluggish after sitting idly in
the bag for a week or two--not good--the cool room stiffened it's joints, I
think, but I worked it and it came round, no problem. Still, I don't do
that any more. Cheers, Christine
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