On Sat, Jun 16, 2007 at 08:29:55PM +0200, Vic Mortelmans wrote.. > Hi, > > this was easy!! > > I went to a shop that does camera maintenance, and they estimated 75 > euro for the job --- more than the lens is worth. So I was lucky: a good > reason to take a look at the inside of the lens without the risk of > destroying value. > > There was nothing wrong with the blades (as I expected, because oil on > the blades should be visible, shouldn't it?), but there was oil in the > mechanism. See the picture here: > > http://picasaweb.google.be/vicmortelmans/Tech/photo#5076727091233563442 > > It shows the back of the lens with the mount removed (only five screws > and one loose ring, no tiny bits jumping allover the room). The red line > indicates the two sliding parts that had oil inbetween them. Applied > some aceton and now the diaphragma closes as snappy as it can get.
Aceton.. ouch... Not a very good idea to use that. Aceton is too agressive in general for this kind of work. Use lighter fluid or something similar. Aceton will ruin plastic parts etc. Wilko -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
