On May 17, 2006, at 6:17 PM, [EMAIL PROTECTED] wrote:
one Katz Eye Custom Screen
... The screen is great. ...
Do you have to do some compensation on metering with a screen? I
thought
someone said that on the list once. But now I am confoosed.
The screen I had made is without the split image or microprism
focusing aid. I've been testing it comparing to the Pentax LL60
screen in my other body. Without the focusing aids, it's just a plain
matte fresnel with circle & grid markings:
http://homepage.mac.com/godders/custom-focus-screen-DS.jpg
Contrast to the LL-60:
http://homepage.mac.com/godders/LL60-focus-screen.jpg
It's much less cluttered without the AF markings, about the same
brightness. The focusing tooth is better. Manual focus accuracy seems
spot on compared against AF, modulo my moving about with hand-held
exposures (haven't put it on a tripod yet).
I've done a simple calibration test: shoot clear blue sky at f/11 in
Av mode, with ISO 200. The camera hits 1/250 sec consistently, which
is perhaps 0.3 EV under what I'd consider ideal.
The camera's metering overall seems about the same ... the same
variability I see with the LL-60 screen is evident with the new
screen. My DS bodies tend to overprotect highlights since I capture
in RAW format, so the same +0.3 to +0.7 EV compensation correction
remains consistent.
It was expensive to have a custom screen made ($147 including
shipping), but I think I'm going to be very pleased with it.
Godfrey
