I have a special flash unit. Carefully calibrated for dust, lint and nose hairs. ;-)
Don > -----Original Message----- > From: Gonz [mailto:[EMAIL PROTECTED] > Sent: Friday, October 14, 2005 3:36 PM > To: [email protected] > Subject: Re: Pentax lens stuck on camera/adapter *Comments* > > > Geesh, at least clean the nose hairs off that dental pick before you use > it again! ;) > > rg > > > Don Sanderson wrote: > > Hi Dave, (Also sent to the PDML for anyone interested or comments.) > > > > Here's a shot of a lens mount with the adapter ring in place: > > > > http://donsauction.com/pdml/53web.jpg (180k) > > > > This shows the lock spring position in relation to the "Red Dot". > > I would drill the hole about 2.5mm to the left of the dot. > > > > > > > > Here's a shot with the lens mounted: > > > > http://donsauction.com/pdml/59web.jpg (221k) > > > > The tip of the dental pick shows the position and angle that I > > would drill to reach the lock spring. > > Notice that the _tip_ of the pick is at about a 45 degree angle > > to the lens mount, don't go by the angle of the large part of > > the pick, just the very tip. > > A 1mm to 1.5mm hole should be sufficient, the smaller the better, > > less dust. > > If you keep blowing the drill dust clear as you work very little > > should get inside the camera. > > Be sure to rotate the lens as far as possible clockwise (as viewed > > from the front) before inserting the needle, this will take the > > pressure off the lock spring and make it easier to release. > > Try to get the hole in the correct position on the first try, > > once a hole is all the way thru you will be getting much more > > dust inside the camera if you have to re-drill. > > Get ALL of the dust out of the body BEFORE you fire the shutter! > > > > Good Luck! > > Don > > > > > > > >>-----Original Message----- > >>From: dave g [mailto:[EMAIL PROTECTED] > >>Sent: Thursday, October 13, 2005 2:50 AM > >>To: Don Sanderson > >>Cc: don > >>Subject: Re: Pentax lens stuck on camera/adapter *Comments* > >> > >> > >>Hi Don, thanks you're fantastic. I'm a bit worried about sending the > >>camera off to pentax (price, being without it for 3-4 weeks or more, the > >>supervisor already said something about not guaranteeing old lenses and > >>it's probably the lens at fault). > >> > >>Could you explain to me about drilling the hole and I'll tell my local > >>guy here, who's wonderful in every respect (he spent about 1.5 hours > >>yesterday with me for free trying to get the lens off with a feeler > >>gauge to trigger the pin, but it confirmed what you just said, he > >>couldn't get "above" the release pin for the auto/manual ring). > >> > >>Thanks again! > >> > >>Dave > >> > >> > >>On Wed, 12 Oct 2005 21:01:25 -0500, "Don Sanderson" > >><[EMAIL PROTECTED]> said: > >> > >>>I found an SMC Takumar 50/1.4 to play with. > >>> > >>>Here's what I found: > >>>1.) Taking the lens apart from the front doesn't let you get > to the pin. > >>>2.) I can see how the pin could catch in the adapter ring but only if > >>>the lens is about almost 1/2 turn unscrewed OR the pin caught when the > >>>lens was being installed and is now bent and jammed between the adapter > >>>and the lens itself. > >>>3.) The pin is small but very hard steel and will be hard to break off, > >>>especially if bent in that direction. > >>>4.) I put the lock spring back on a Pentax M42/K adapter, installed it > >>>and tried to force it back off. I'll *never* try that again, I > could see > >>>the entire lens mount flexing on the ist-D! > >>>(I take all the lock springs off before use.) > >>> > >>>You have three choices I can see: > >>>1.) Try using moderate (no grunting) force and hope the pin lets go. > >>>2.) Drill a tiny hole in the lens itself so a needle can be inserted > >>>to release the lock spring. I can show you where the hole needs to be. > >>>3.) Let Pentax do #2 for you. In my opinion they should do it for free > >>>for not warning against this possible problem, assuming the adapter is > >>>a genuine Pentax one. > >>> > >>>Thanks for the education in what to watch out for, I'm sorry it had to > >>>be at your expense. > >>> > >>>Don > >>> > >>> > >>> > >>>>-----Original Message----- > >>>>From: dave g [mailto:[EMAIL PROTECTED] > >>>>Sent: Wednesday, October 12, 2005 6:24 PM > >>>>To: [EMAIL PROTECTED] > >>>>Subject: pentax lens stuck on camera/adapter > >>>> > >>>> > >>>>William Robb suggested I contact you regarding my lens problem/camera > >>>>problem. > >>>> > >>>>Here's the story: > >>>> > >>>>Takumar 1.4 SMC lens > >>>>Pentax K mount adapter > >>>>Pentax Ist DS camera. > >>>> > >>>>I can't get the lens off the adapter, which is on the camera (and you > >>>>can't take off the adapter without squeezing the springy thing with a > >>>>fingernail to release it - which is not possible with the lens on it). > >>>>I've had this lens on and off before but something is catching now. > >>>>Also, the auto/manual switch is stuck on auto, which must be somehow > >>>>related...? > >>>> > >>>>It's stuck, not mis-threaded and I'm a bit at a loss. Do you > >> > >>know how to > >> > >>>>get this lens off (at this point if it involves destroying the lens or > >>>>adapter it's ok!). Is it possible to dismantle the lens carefully to > >>>>get at the necessary components? We tried getting a feeler gauge in > >>>>between to push that pin that releases the auto/manual lens pin, while > >>>>simultaneously pushing the auto/manual switch towards "auto". Not > >>>>happening. My camera expert here seemed to think that dismantling the > >>>>lens would get us to the necessary access but he wasn't sure. A little > >>>>while ago, someone suggested just forcing the lens to turn. Correct me > >>>>if I'm wrong, but the first thing to break would be that pin > >>>>(wonderful), the second thing to break would be the adapter (even > >>>>better) and he couldn't think of anything that might break in > >> > >>the camera > >> > >>>>(Digital Ist DS - would be very expensive if something did > >> > >>break). What > >> > >>>>do you think? > >>>>Thanks for any assistance, if you prefer I call you (I'm in the UK) > >>>>please give me your number and I'll make sure to call at a reasonable > >>>>hour. thanks again, > >>>> > >>>>Dave > >>>>-- > >>>> dave g > >>>> [EMAIL PROTECTED] > >>>> > >>>>-- > >>>>http://www.fastmail.fm - Access all of your messages and folders > >>>> wherever you are > >>>> > >> > >>-- > >> dave g > >> [EMAIL PROTECTED] > >> > >>-- > >>http://www.fastmail.fm - Access your email from home and the web > >> > > > > >
