Archived posting to the Leica Users Group, 2007/01/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Also, my experience is that all M cameras tend to back focus when used up close. Why not run a focus test with ruler or tape measure? Aim along a bench top at the ruler standing on its side, angled 30 degrees from the line of sight. Offload to computer and adjust focus until it looks right on screen. Or just focus bracket a series of shots. The results would be interesting. Regards, Rick. On 08/01/2007, at 4:49 AM, Brian Reid wrote: > >> I am assuming that you were careful not to change the focus >> between the two shots. > > Correct. > >> I notice in the second shot that the frame in the background seems >> to be the plane in focus. The IR effects are interesting, but I >> do not think that you have eliminated the focus question. > > According to the manual that came with the Noctilux, the depth of > field at f/5.6 at that distance (1.5 meters) is about 22cm. I > believe I have eliminated the focus question. > > (http://www.leica-camera.us/assets/file/download.php? > filename=file_153.pdf, page 6) > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information