Archived posting to the Leica Users Group, 1997/06/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]User Surachai V. at UNESCAP4 is not defined Original text follows ---------------------------------------------- Received: from gatekeeper5.un.org by mail-in2.un.org (SMTPLINK V2.11.01) ; Wed, 11 Jun 97 22:34:43 EST Return-Path: <owner-leica-users@mejac.palo-alto.ca.us> Received: by gatekeeper5.un.org; id AA197922189; Wed, 11 Jun 1997 22:23:09 -0400 Received: from mejac.palo-alto.ca.us(192.147.236.1) by gatekeeper5.un.org via smap (V3.1) id xma019594; Wed, 11 Jun 97 22:18:53 -0400 Received: by mejac.palo-alto.ca.us id AA03813; Wed, 11 Jun 97 18:21:38 -0700 Received: by mejac.palo-alto.ca.us id AA03807; Wed, 11 Jun 97 18:21:33 -0700 Received: from pub (pub.brick.org [207.135.90.149]) by alink.net (8.8.5/8.7.3) with SMTP id SAA00270 for <leica-users@mejac.palo-alto.ca.us>; Wed, 11 Jun 1997 18:21:32 -0700 (PDT) Message-Id: <3.0.32.19970611182019.00bbca30@pop.alink.net> X-Sender: jimbrick.brick.org@pop.alink.net X-Mailer: Windows Eudora Pro Version 3.0 (32) Date: Wed, 11 Jun 1997 18:20:21 -0700 To: leica-users@mejac.palo-alto.ca.us From: Jim Brick <jim@brick.org> Subject: Re: Noncoated filter Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-leica-users@mejac.palo-alto.ca.us Precedence: bulk Reply-To: leica-users@mejac.palo-alto.ca.us At 10:28 PM 6/11/97 +0200, you wrote: >Hello, > >I yesterday bought a circular polarization filter >(Hama No. 725) and now I see that it is completely >uncoated. Is it less important for a filter to >be coated than for a lens? If not: why do they sell >such things at all? Should I bring it back to the >dealer? > >Thanks for all answers, > >Rainer Mueller, Munich, Germany > Take it back. It will be the first surface to greet the incoming light rays. If it's uncoated, a lot of scattering, reflecting, and other ugly phenomenon will take place. It will render your wonderful Leica lens coatings useless. Buy Leica, B+W, or Heliopan filters for normal filters. For special effects, buy the best you can get (Tiffen glass, Singh-Ray, etc.) Jim