Yea, that doesn't work, I can leave it for months without batteries,
(and the "maintenance" battery has long been expired), still doesn't
function. It will stop the lens down, just not for DOF or Green button.
On 5/2/2015 4:21 PM, Rick Womer wrote:
The oldest trick in the book an electronic camera, of course, is to
turn it off, remove the battery, let it think about its own mortality
for several minutes, re-insert the battery and try again.
http://photo.net/photos/RickW
On Sat, May 2, 2015 at 10:29 AM, P.J. Alling <webstertwenty...@gmail.com> wrote:
My old *ist-D has a similar problem, mounted lenses simply won't stop down
using either DOF preview or the green button, in any mode. I believe
there's a broken lead either on a flex connector or the circuit board, or
something is interfering with one of the micro switches resetting.
On 5/2/2015 8:56 AM, Mark C wrote:
Thanks, Darren - the eraser did not help. I also tried tightening the lens
mount screws, but they were plenty tight so I didn't accomplish anything. I
was hoping it might be a simple matter of one contact on the mount not
working, but if so it is more than just being dirty.
I pulled the battery out and will leave the camera without a battery for a
day or so - sometimes that can reset things but I'm not holding out much
hope.
Mark
On 5/1/2015 7:10 PM, Darren Addy wrote:
First thing to try with anything resembling contacts problem is to
take a clean pencil eraser and rub the contacts on the body and lens
(to clean them). You shouldn't need to make any eraser shavings, but
if there are blow them off in such a way that you don't get them
inside the camera body. That is enough to fix most contact related
issues.
Hope it works!
On Fri, May 1, 2015 at 4:46 PM, Mark C <pdml-m...@charter.net> wrote:
My IR converted K10d has started acting strange - basically it pretty
much
ignores any A, F, FA or DFA lens that is attached to it and treats them
like
a K or M mount. The camera will do nothing unless "using aperture ring"
is
enabled in the custom options. Even then, if the apeture ring (if
present)
is set to the "A" setting, the camera will not stop down the aperture
while
making an exposure or when the DOF preview is invoked. The camera does
show
the aperture and shutter speed setting on the LCD and allows them to be
changed, and shows them changing in program modes, but it never actually
stops down the lens to the shown aperture. The exif data in images shows
the
lens wide open in all shots, even when the LCD shows it stopping down.
The
camera correctly detects the maximum aperture of different lenses
attached
to it.
At first I thought it was a mechanical problem with stopping down the
lens -
but if the apeture ring is moved off the A setting, or if a pre-A K
mount
lens is attached, then the camera works as it should. In manual mode it
does
stop down metering and (in manual mode only) it stops down the lens and
DOF
preview works. So the mechanical couplings work, it seems like the
camera is
unable to detect a lens in A mode in order to stop it down, though it
does
detect the lens's maximum aperture and shows that the aperture should be
set
to on the LCD screen
Has anyone experienced something like this? Could this be something
simple,
like an issue with contacts in the mount? I like the camera and have
gotten
some nice images with it, but have actually taken only about 5000
exposures
with it in the 5 years I've owned it, so the utility of repairing it is
questionable.
Any thoughts about what might be going on would be appreciated.
Mark
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