Archived posting to the Leica Users Group, 2002/02/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>Hi Olivier - >Normally, vignetting is present in superwide-angle lenses. >It is *not normal* in the newest Kobalux 21mm (I can't speak for the older >ones Adorama sells, both because it has a different optical formula and >because I don't have one), and that's part of why the front element is so >big. I can send you the full-frame scans if desired. >See ourworld.compuserve.com/homepages/dkieltyka/Kobalux21.htm for a >discussion of the extremely low level of vignetting in the new lenses. >If you use a Tiffen or B+W filter even the new ones will vignette. Stick to >Hoya or a thin-ring B+W. >Dante If the vignetting was due to your filter, you might also consider switching to Heliopan, who mount all of their filters in slim mounts. Guy >> Hi everyone, >> I just test a roll of film on my leica M6 TTL with Kobalux 21mm lens. I >> check the neg. and it look like alot of light fall off at the edge of neg. >> both side of negative not top and bottom. does anyone has this problem ? I >> check with kobalux website and also picture at Dante Stella website and >> those pictures did not seem to have light fall off. these pictures might be >> crop out . >> can someone who use kobalux please confirm this matter for me. is this >> light fall off usually happen to wide angle lens such as 24mm down? >> Olivier >> >> >> >> -- >> To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > >------------ >Dante Stella >http://www.dantestella.com > >-- >To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html