I use prism to differentiate between the pure matte focusing screens and those that incorporate a split prism as a rangefinder. I most likely am wrong in the terminology. :-)
herb On Fri, 03 Feb 2006 15:03:54 -0500, Kenneth Waller wrote: >I'm not familiar with the term Prism screen, is that what a Beattie is? I >used Pentax replacement "grid" screens to assist in compositions & trying to >keep level horizons. When I last checked out >Beattie screens years ago their main advantage was a brighter viewfinder, >but the exorbitant cost (roughly twice the cost of the Pentax screen) >excluded further consideration. >Kenneth Waller >----- Original Message ----- >From: "herb greenslade" <[EMAIL PROTECTED]> >Subject: Re: MX screen in my istD - another question >> Hi Kenneth >> >> But if prism screens work in thses cameras, why haven't Pentax introduced >> them? For my money I would rather spend even a >> little more for a Pentax then give it to an "iffy" 3rd party. >> >> herb >> >> On Fri, 03 Feb 2006 14:03:55 -0500, Kenneth Waller wrote: >> >>>I can understand guys modifying existing screens to fit other cameras, but >>>as to buying new ones, why wouldn't you first try Pentax? >>>I looked @ Beatties, but the cost new was prohibitive for me. >>>I've replaced the screens in my PZ1, PZ1P, MZ-S & *istD & have no problem >>>with the Pentax screens. >> >>>Kenneth Waller >> >>>----- Original Message ----- >>>From: "Fred" <[EMAIL PROTECTED]> >>>Subject: Re: MX screen in my istD - another question >> >> >>>>> Also there was a company that made screens for the LX, does anyone know >>>>> whether they still exist, and whether they have made screens for the >>>>> *istD family? >>>> >>>> For the LX screens, you're probably thinking of the Beattie >>>> "Intenscreens" >>>> (as I think they were called) ( http://www.intenscreen.com/ ). [Pentax >>>> itself eventually produced three (I think it was) upgraded screens for >>>> the >>>> LX that are just as good as the Beattie screens, IMHO, and the Pentax >>>> tweezers were a whole lot better than the tweezers supplied by Beattie, >>>> too.] However, it doesn't seem as if Beattie is making any screens for >>>> the >>>> Pentax DSLR's (or any DSLR's, I guess). >>>> >>>> There are now "Katz Eye" screens now available for the Pentax DSLR's ( >>>> http://www.katzeyeoptics.com/cat--Pentax-DSLR-s--cat_pentax.html ), if >>>> you >>>> don't want to try grinding down a 35mm film body's screen for your DSLR >>>> (and if you don't mind the expense too much). >>>> >>>> Fred >>>> >>>> >> >> >> >> >> >>
