Archived posting to the Leica Users Group, 2005/06/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 6/17/05 5:57 AM, "Michael J Herring" <creativevisions@verizon.net> typed: > It is not a myth. > ----- Original Message ----- > From: "Mark Rabiner" <mark@rabinergroup.com> > To: "Leica Users Group" <lug@leica-users.org> > Sent: Thursday, June 16, 2005 2:52 AM > Subject: Re: [Leica] Re: darkroom focusing > > >> >>> >>> Some lenses I've had or used that have had focus shift problems: >>> Various 50mm f/2.8 Rodagons of different eras (all) >>> 50mm f/2.8 Componons - same >>> 40mm Focotar >>> 240 Componon >>> 150 Rodagons and Componons of various ages >>> 75 Nikkor >>> 50/2.8 Nikkor >>> 105 Rodagon (slight) >>> WA Componon 60 >>> >>> >>> Lenses that have negligible or no focus shift: >>> Nikkor 80/5.6 >>> Nikkor 63 >>> Focotar 50 (second) >>> S-Orthoplanar 60 >>> >> I've never been able to detect any focus shift with most of the Nikors >> which >> I've used and two or three of the Componon. I'm wondering how Henning is >> deciding he's getting focus shift as take his recommendations pretty >> seriously. I pretty much think it's a myth for the most part. >> I strongly recommend focusing wide open and then stop down to your > working >> aperture. I'd hate to have this stuff driving me crazy. >> Focusing stopped down just seems very weird to me. >> >> Mark Rabiner >> Photography >> Portland Oregon >> http://rabinergroup.com/ >> >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > -- > I am using the free version of SPAMfighter for private users. > It has removed 371 spam emails to date. > Paying users do not have this message in their emails. > Try www.SPAMfighter.com for free now! > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information That was "Henning" not "Herring"! Mark Rabiner Photography Portland Oregon http://rabinergroup.com/