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 >>>> >>>> >>>> >>>> --- >>>> This email is free from viruses and malware because avast! Antivirus >>>> protection is active. >>>> http://www.avast.com >>>> >>>> >>>> -- >>>> PDML Pentax-Discuss Mail List >>>> PDML@pdml.net >>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>>> follow the directions. >>> >>> >>> >> >> >> --- >> This email is free from viruses and malware because avast! Antivirus >> protection is active. >> http://www.avast.com >> >> > > > -- > I don't want to achieve immortality through my work; I want to achieve > immortality through not dying. > -- Woody Allen > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.