Archived posting to the Leica Users Group, 2000/03/29
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Raimo, Thanks very much for your reply. I think the underexposure is being caused by the fact that the lens is not completely alligned (the white mark does not go all the way to the 12 o'clock vertical). However, I will take some test shots using an incident meter and another lens for comparison. Thanks again, Dave Schaller Newton, MA In a message dated 3/29/0 1:21:21 PM, you wrote: >I have the same kind of adapter - not at all well made Japanese thing - but no >exposure, vignetting or focus problems. > >I noticed that the threads were quite poorly made and very sharp. I used a sharp >tool to even out the bottoms of the grooves and sandpaper on the tops and it helped >a bit. Now I have found out that it gets better with use so every now and then >I unscrew the lens from mount and then screw it back. It aligns quite well now >but not perfectly. > >It would have been better to buy a good quality adapter in the first place and >a genuine Leica adapter was available but it keyed 35-135 frames and I wanted 50-75. > >How could an adapter cause underexposure? The lens is really wide so be careful >not to meter off too much sky. > >All the best! > >Raimo