I find that not only is the speed of the lens important, But the quality of the lens wide open is Important when Using split image rangefinder screens. I can tell right Away with how good a lens I am dealing with by the split Image behaviour. With the best optics, the split image is Knife edge, with less than stellar lenses, it's kinda wishy-washy. jco
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Cory Papenfuss Sent: Thursday, October 19, 2006 8:22 AM To: Pentax-Discuss Mail List Subject: Re: K1D aperture simulator, part Three (III)- NOT You guys must be better than I at using plain matte screens. The best thing I've ever done with my -DS was *add* a split-prism focus screen. Probably about 1/10th as many missed focus shots since I've done that. I agree that micproprism aids suck with lenses slower than 2.8 or so. With a fast 50 or similar, they're beautiful IMO. To each their own... that's why they're *replaceable*. -Cory > I've done this on every SLR camera I've owned since 1969. I hate > microprism focus aids particularly, but split image rangefinders are > also obnoxious. > > G > > On Oct 18, 2006, at 4:47 PM, Adam Maas wrote: > > > I'm actually in the process of replacing all my split-prism screens > > with > > plain screens, where possible. I find split-prisms annoying as they're > > never where you need them ... > > > -- ************************************************************************ * * Cory Papenfuss, Ph.D., PPSEL-IA * * Electrical Engineering * * Virginia Polytechnic Institute and State University * ************************************************************************ * -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

