Archived posting to the Leica Users Group, 2003/04/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]on 4/3/03 12:35 AM, animal at s.jessurun95@chello.nl wrote: > Hi,recently i noticed some dust on the rear of the lens of a 560 telyt and > tried to take the lens apart in order to clean it. > This is very easy the front has a long thread and you just screw it out of > the lens tube. > However between the lens assembly and the rest of the body there is a flat > about 8 mm wide ring . > I found that out when i first forgot it on reassembly. > Whats the purpose of this ring? > Since it does restrict the range of motion of the lens towards the film does > it not affect focussing at infinity? > And what would happen if i just leave it away? > Thanks > simon > Simon, the ring is a shim to adjust infinity focus. Leave it out and you'll find you can focus past inifinity and you'll lose a bit of minimum focus distance. Doug Herr Birdman of Sacramento http://www.wildlightphoto.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html