PJ, Contact Boris Lieberman. He has some experience with installing/using the Katzeye. Yo Boris, oh Boris... Regards, Bob S.
On Tue, Apr 22, 2014 at 3:33 PM, P.J. Alling <[email protected]> wrote: > That was the problem, I used the ground glass to get close and then used the > hexagonal in focus indicator for fine focusing, the sensor locked in on that > very sharp twig just in front of the bird. I'm trying to decide right now > between Katzeye or Focusingscreen.com. One uses their own technology, the > other uses the best of Nikon and Canon MF screens, US or Hong Kong, paper or > plastic, 100 bucks with phone support, 80 bucks with email support. I > really do need a focusing screen with decent manual focusing > characteristics, as 3/4 of my lenses are manual focusing primes... > > On 4/22/2014 3:11 PM, Bob Sullivan wrote: >> >> Very nice catch. >> I don't think the mirror lenses work with autofocus. >> You need a split screen mirror or to use the ground glass. >> Regards, Bob S. >> >> On Tue, Apr 22, 2014 at 11:23 AM, P.J. Alling >> <[email protected]> wrote: >>> >>> I believe this is the same Cardinal from "The Victor!", having chased off >>> his rival. He moved to a different tree. I shot this with my Vivitar >>> Solid >>> Cat. 600mm f8.0 hand held at 1/800 sec. It's pretty respectable for a >>> Mirror Telephoto, the only really noticeable ring Bokeh, visible is from >>> a >>> branch quite a bit in front of the bird. While this is a pretty heavy >>> lens, >>> it weighs more than the camera, (though not by much), it seems to be >>> quite >>> hand holdable with the K-5II. This image is a crop of a bit under 1/3 of >>> the frame. I could probably make a decent 8x10 inch print from this >>> file, >>> thought the branches in front of the bird mean I probably won't. >>> >>> A couple of other observations, I really need a split image focusing >>> screen >>> for manual focus, The K-5II thought something was in focus but the >>> sharpest >>> object in the frame was the small branch just in front of the bird. I >>> don't >>> know if it's from subject movement or being just a bit out of the limited >>> DOF from this lens, but the Birds head and eye are not quite sharp enough >>> in >>> the full resolution file, though his breast feathers seem to be. The >>> K-5II >>> files can take a lot of abuse before they begin to fall apart. >>> >>> I always thought that the Series 1 Solid Cats were multi coated, but I >>> noticed that there doesn't seem to be any of the usual coating >>> reflections >>> you see even with single and double coated lenses, and no mention of >>> Vivitar's vmc coating on the lens. Anybody have any information on that? >>> >>> Well onto the photo. >>> >>> >>> https://dl.dropboxusercontent.com/u/1604247/PESO/PESO%20--%20theVictorII.html >>> >>> Pentax K5II w/Vivitar Series 1 600mm f8.0 Solid Catadioptric Lens. >>> >>> As usual comments are welcome but may be totally ignored. >>> >>> -- >>> A newspaper is a device for making the ignorant more ignorant, and the >>> crazy, crazier. >>> >>> - H.L.Mencken >>> >>> >>> -- >>> PDML Pentax-Discuss Mail List >>> [email protected] >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. > > > > -- > A newspaper is a device for making the ignorant more ignorant, and the > crazy, crazier. > > - H.L.Mencken > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
