First, I have to give credit where its due. So thanks to John and Alan, from who I got the idea (John, how is the spotmetering in your modified ZX5n/MZ5n with the MZ/ZX-M screen? Does it work ok or not?). Thanks also to Gianfranco, Alan and Bob S. who measured their screens for me :) AFAIK during the coarse tests, I cannot find any exposure difference between SFXn and MZ-M (C74) screen. They read the same exposure (centerweight metering). What is interesting, the original screen matte is slightly better than the MZ-M screen matte for low-light focusing. but MZ-M screen has the split-aid among microprism collar which works even better and more accurately. Sometimes I can return to old screen for some lenses where its better. Gianfranco, I think the Nikon metered gave the scene 1/3-1/2 stop less exposure relative to SFXn with MZ-M screen, but that may well be due to metering angle/reflectance angle/matrix metering and other differences. It was only a quick test (twas dark outside or I would have tested using sunny f/16 and not comparing to Nikon) I am sorry but I didn't ask the part number. The C74 is written on the screen's little tab, but it's not related to part number, it only confused the repair man. So I guess you will have to just ask for ZX-M/MZ-M screen. If they are reluctant to give it to you tell them you want to try it in an old camera they no longer service (this should placate them) like MX and that it's your money. The Mz-M screen is so better than older split-screens I used I am wondering about possibility of putting it into my K2DMD. It doesn't have interchangeable screens though, and I don't know if one has to remove whole mirror box to get at the screen or not. Anybody tried it? The tab would have to be ground off obviously, but otherwise? Frantisek - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
