Archived posting to the Leica Users Group, 2000/06/13
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]A slim Heliopan and a regular B+W, both 60mm, worked fine. The Leica E60 C-Pol vignetted. Tom - ----- Original Message ----- From: "Jim Brick" <jimbrick@photoaccess.com> To: <leica-users@mejac.palo-alto.ca.us>; <leica-users@mejac.palo-alto.ca.us> Sent: Tuesday, June 13, 2000 4:54 PM Subject: [Leica] Re: Re: Re: noctilux 50 f1.0 > B+W & Heliopan make thin filters that should not vignette much, if at all. > > jim > > > At 04:29 PM 6/13/00 -0700, Tom Schofield wrote: > >OK, OK, I'll share a brief synopsis of the test roll I shot to determine > >vignetting with filters on the Noctilux. > > > >Rule 1: any step-down will cause vignetting. > > > >Rule 2: Even an E-60 Leitz C-Pol will cause vigneting. > > > >Rule 3: A single B+W or a slim Heliopan works w/out vignetting. > > > >Rule 3: A step-up in size to 62 mm or larger works w/out vignetting, but > >you are cutting into your field of view. > > > >So, Jim is right -- an 060 is probably all you will ever need except perhaps > >a KB-12 for night chromes. (And, it's probably warm enough so an 81A isn't > >necessary anyway.) > > > >Tom > > NO FILTER > >