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      05-17-2011, 08:00 PM   #361
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Drives: 2006 BMW 330i ZPP, ZSP
Join Date: Dec 2008
Location: LA, CA

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Originally Posted by rodi View Post
my ex has a little D40 and only old, manual-focus lenses from the 60s and 70s. i swapped out her focusing screen for a split-screen. works amazing.

That's cool. I've heard they take a little getting used to, but you can focus really well in low-light when AF might fail, and many times even faster than AF in good light.

Originally Posted by The1 View Post
does this make the auto focusing system null?
I think so. AF would no longer works well with a Zeiss lens. I think the 5DMK2 has the option of removing the default focusing screen and installing a split-screen, etc. Then, in the settings you can tell the camera what focusing screen you're using so it'll provide you with the correct feedback on the LCD, etc. Not 100% sure, since I don't own a 5DMK2, but that's what I heard.