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 |
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 |
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 :) |
thank you guys!! :)
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