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02-22-2009, 12:47 PM   #16
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QuoteOriginally posted by stevebrot Quote
I really like my Tamron 70-150/3.5 and the view was just plain dim with the non-OptiBrite Katz Eye screen and that lens. Ditto for the 18-55/3.5-5.6 kit.
What about the 200mm F4? My 200mm F3.5 is probably the slowest lens that I use with any sort of regularity.

You didn't mention it and I would think it would be dimmer than the 70-150, just curious if it doesn't seem as dim for some reason.

02-22-2009, 04:03 PM   #17
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A fundamental question that needs to be answered. In what conditions does blackout appear in a split image screen for dslrs esp. K10d k20d and k200d?

Blackouts were the main reason why Pentax introduced the matte screens with centre circles for the MX(and similar ones for the LX). Is the phenomenon of blackout different for DSLRs and film SLRs? An explicit summation would be helpful.
02-22-2009, 04:42 PM   #18
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i just removed a screen from a old petri FT. i want to cut it down to fit the k20d. does anyone have the size of the k20d screen? i don't want to remove the old screen before i have the new one ready. i had dust in my k10d that i could never get off the screen.

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