It may also need a clean lube and adjust, the lubricants can become gummy over the years, you may also find that the shutter speeds are a little unpredictable.
On 5 April 2014 20:59, Callum Gregory <[email protected]> wrote: > Thanks for the reply darren. Ill look into replacing the seals. I’ve had the > camera open again. the bumpstop is definitely deteriorated - but to the point > of no longer being sticky. > > I’m wondering what is the mechanism that returns the mirror to the down > position??? because it randomly works every now and then. > > > On 5 Apr 2014, at 17:16, Darren Addy <[email protected]> wrote: > >> Hi Callum, >> The "bump stop" is the rubber that surrounds the focusing screen. When >> you take the lens off you will see it at the top. They like to >> deteriorate and go all gooey in time. If your mirror is sticking there >> you will probably see evidence of the goo around the edges of the >> mirror itself . >> >> When this happens, the same thing is likely happening to the seals >> that engage the film door (bits sticking to the door edges that engage >> the slots in the body where the seals reside. >> >> There is a guy in the U.S. that sells seal kits (very reasonably). He >> used to sell on eBay but gave that up due to too many run-ins with >> fraud, etc. But he still sells the kits. They come with all the >> instructions for doing the replacement yourself. His email is: >> [email protected] >> >> Hope that helps! >> >> Darren >> >> >> >> On Sat, Apr 5, 2014 at 12:44 AM, Callum Gregory >> <[email protected]> wrote: >>> Hi, >>> >>> I have a Pentax Spotmatic F >>> The mirror currently locks up. I've been told its the bump stop. >>> I'm wondering who people have fixed this and if anyone has photos of what >>> the inside of the camera (bumpstop in particular) should look like? >>> >>> Thanks, >>> >>> Callum >>> -- >>> PDML Pentax-Discuss Mail List >>> [email protected] >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. >> >> >> >> -- >> Photographers must learn not to be ashamed to have their photographs >> look like photographs. >> ~ Alfred Stieglitz >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> 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 > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Rob Studdert (Digital Image Studio) Tel: +61-418-166-870 UTC +10 Hours Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
