Archived posting to the Leica Users Group, 2003/05/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I agree with you Li, I don't have a 28mm ASPH but I can not undertand how a lens, at this price, performes so badly. Obviously I will not buy this lens in my life, Rafael - ----- Original Message ----- From: "Y. Li" <liyue@netvigator.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Saturday, May 17, 2003 5:40 AM Subject: Re: [Leica] Vignetting of Summicron M 2/28mm ASPH > Thanks John. No, I had no filters, no hood on, but still vignetting. I just > can't imagine a Leica lens at the price tag performs so badly. > > Y. Li > > ----- Original Message ----- > From: "John Collier" <jbcollier@shaw.ca> > To: <leica-users@mejac.palo-alto.ca.us> > Sent: Saturday, May 17, 2003 8:53 AM > Subject: Re: [Leica] Vignetting of Summicron M 2/28mm ASPH > > > > Vignetting wide open should be about 2 stops according to Puts but it > > should not be vignetting at f16! Are you stacking filters? Do you have > > the lens hood on correctly? Try some tests with no hood or filter. If > > it is still vignetting at the smaller apertures, send it back. > > > > John Collier > > > > On Friday, May 16, 2003, at 10:24 AM, Y. Li wrote: > > > > > I'm new to the active Leica photography. My brand new Summicron M > > > 2/28mm > > > ASPH. shows pretty much vignetting. On color prints, blue sky appears > > > as a > > > white 20mm circle in the middle while the corners are nice blue. > > > Stopping > > > done to F16 doesn't help too much. By other scenes like building, > > > street, > > > the negatives show strongly darkened edges, especially on the right > > > side. > > > Also here the light fall-off is quite visible at smallest aperture. > > > Well, > > > the images are crispy sharp, but the vignetting makes the picture > > > useless. > > > My Canon FD 2,8/28mm delivers much better, balanced pictures. > > > > -- > > 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 - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html