Archived posting to the Leica Users Group, 2000/07/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]We have a saying in the workshop circles .... we don't bend, machine or warp....we calibrate. > Miro, > > I was kind of surprised by what I saw when I had one of my camera bodies > checked out at a Hasselblad clinic: The tech had a small mallet and he'd > actually give the camera a tap here or there in order to ensure the > lensmount was exactly parallel to the film plate--and mind you, there > are no obvious alignments here either. The difference couldn't have been > more than infinitessimal but it's nice to see one's gear being > "super-tuned"--maybe ask someone to check yours out when you send the > camera in for other service. > > As for your lensmount, I'd either replace it or get it rechromed if it > bugs you. Chrome and nickel have been traditionally chosen as much for > wear resistance as their beauty, and if you use one of the Leica-branded > LTM->M adaptors which has a brass mating surface, you can appreciate how > much better chrome plated surfaces wear! So far as I know, titanium is > not particularly desireable for these applications. > > Jeff Segawa > no archive > > > Miro Jurcevic wrote: > > > > The chrome is coming off in huge chunks. > > > > Can the focal plane be disturbed by minor rotations in the bayonet axis, > > given that it is 90 degrees to the distance between film and lense ? > > > > With six screws, three long and three short, I find it hard to imagine how > > to get the boynet more than '30 seconds of a degree, out of tilt. When you > > are referring to the pressure plate underneath .... that can be wildly out. > > That pressure plate needs to be aligned, but the shapes inside the body are > > an easy guide. >