The metering is off the focus screen, you'll lose accurate spot metering.
Cory Papenfuss wrote:
Yesterday my special order arrived from Pentax: the LL-60 divided
matte focusing screen for the *ist D/DS.
Anyone know if there's the possibility of putting a split-circle
MF-aid in a -DS? The documentation on the 'net of available screens
loses something in the translation sometimes to make it sound like
it's available. I'm pretty sure it's not.
... does anyone else make one, or is there a technical reason why
it can't be put on there? Does it screw with the AF or metering? I
sure do miss it for proper manual focusing.
-Cory
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* Cory Papenfuss *
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
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--
A man's only as old as the woman he feels.
--Groucho Marx