Yeah, if the bump stop isn't sticky, it's unlikely to be the cause of
the mirror lock-up.
Callum - where abouts in Oz are you? If you're near Sydney I can
suggest a camera repairer who could probably help.
I've also used John Goodman's seal replacement kits. They're very good.
Cheers
Brian
++++++++++++++++++++++++++++++++++
Brian Walters
Western Sydney Australia
http://lyons-ryan.org/southernlight/
Quoting Rob Studdert <distudio.p...@gmail.com>:
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 <callum.greg...@iinet.net.au> 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 <pixelsmi...@gmail.com> 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:
jon_good...@yahoo.com
Hope that helps!
Darren
On Sat, Apr 5, 2014 at 12:44 AM, Callum Gregory
<callum.greg...@iinet.net.au> 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
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