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Old July 25th, 2004, 06:48 AM   #1
Tourist
 
Join Date: Jul 2004
Location: Athens Greece
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5 micron WAO

Hi all,

i,m new to this forum and i have a question.(dumb maybe for most of you guys).

What is the 5 micron WAO and how do you use on a type D focusing screen?

Thanks in advance

Iordanis
Iordanis Chatzicinstantinou is offline   Reply With Quote
Old July 25th, 2004, 06:57 AM   #2
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Listen to better advice than mine when it comes along as soon it shall. In meantime my understanding is :-

WAO is white aluminium oxide powder, an abrasive capable of wearing down glass. 5 micron refers to it having been graded into 5 micron size and some smaller particles.

I can't help with the Type D focussing screen but it may be some form of fine groundglass onto which a camera lens image is normally projected for viewing by eye to enable focusing etc., the TTL or through-the-lens viewfinder
Bob Hart is offline   Reply With Quote
Old July 25th, 2004, 09:31 PM   #3
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Hey there,

Here's a page with some info on Nikon focusing screens

http://www.nikonlinks.com/unklbil/screens.htm

the Type D is described thus

"Type D: Overall fine-ground matte field."

Others seem to have crosshairs, different focusing points and the like. It would seem it's just a straight focusing screen.

Hope this helps.

Raavin :)
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Old July 26th, 2004, 01:20 AM   #4
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thank you guys!! :)
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