Any conclusions re: K10D + Katz w/ Optibrite?

d.bradley · 11-29-2007, 03:27 PM

Originally posted by Gruoso

It is funny. Althought I didnt do an extensive test, some m42 lens that I have tend to underexpose at higher f without any split screen so it might not be a problem of the Katz-eye

Although it is not a problem exclusive to the katz-eye, the focus screen has a direct effect on metering, and with different screens available for the K10D (two katz versions and the DS screen), certain screens are better than others for use with M42 and manual lenses.

Based on discussion thus far, I would surmise that either a Katz without optibrite, or a DS screen would be the best choice for use with stop-down lenses.

Cheers,
D

**barondla** · 11-29-2007, 06:33 PM

It would sure be nice if Pentax made a split screen that metered like their standard screen. Would also be nice if K10D replacement would use piggyback mirror like my Olympus Om4t. Then focus screen wouldn't have any thing to do with actual exposure.
thanks
barondla

d.bradley · 11-29-2007, 10:28 PM

Originally posted by barondla

It would sure be nice if Pentax made a split screen that metered like their standard screen. Would also be nice if K10D replacement would use piggyback mirror like my Olympus Om4t. Then focus screen wouldn't have any thing to do with actual exposure.
thanks
barondla

Unfortunately the stock screen doesn't even meter properly...they need to tweak the way they meter.

It's not a problem exclusive to Pentax, if that makes people feel better. Minolta had the problem (Sony as well I assume), and I read that Canon does as well. Don't know about the other big players...

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11-29-2007, 03:27 PM	#16
d.bradley Veteran Member Join Date: Feb 2007 Location: Ontario Photos: Gallery Posts: 631 Original Poster	Originally posted by Gruoso It is funny. Althought I didnt do an extensive test, some m42 lens that I have tend to underexpose at higher f without any split screen so it might not be a problem of the Katz-eye Although it is not a problem exclusive to the katz-eye, the focus screen has a direct effect on metering, and with different screens available for the K10D (two katz versions and the DS screen), certain screens are better than others for use with M42 and manual lenses. Based on discussion thus far, I would surmise that either a Katz without optibrite, or a DS screen would be the best choice for use with stop-down lenses. Cheers, D

11-29-2007, 06:33 PM	#17
barondla Loyal Site Supporter Join Date: Sep 2006 Location: midwest, United States Photos: Gallery \| Albums Posts: 5,633	It would sure be nice if Pentax made a split screen that metered like their standard screen. Would also be nice if K10D replacement would use piggyback mirror like my Olympus Om4t. Then focus screen wouldn't have any thing to do with actual exposure. thanks barondla

11-29-2007, 10:28 PM	#18
d.bradley Veteran Member Join Date: Feb 2007 Location: Ontario Photos: Gallery Posts: 631 Original Poster	Originally posted by barondla It would sure be nice if Pentax made a split screen that metered like their standard screen. Would also be nice if K10D replacement would use piggyback mirror like my Olympus Om4t. Then focus screen wouldn't have any thing to do with actual exposure. thanks barondla Unfortunately the stock screen doesn't even meter properly...they need to tweak the way they meter. It's not a problem exclusive to Pentax, if that makes people feel better. Minolta had the problem (Sony as well I assume), and I read that Canon does as well. Don't know about the other big players...

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