Yea it's a beam splitter, Pentax used the same concept for auto focus
and the light meter in the LX abet for different reasons.
Sylwester Pietrzyk wrote:
Don Sanderson wrote on 17.08.04 14:04:
Not that big a deal Cotty, it's also called a "semi-silvered" mirror.
Lets some light thru, reflects some.
A lot like the "one way" mirrors you've seen.
Here's a page on the Canon F-1 that shows some advantages and disadvantages:
http://www.cameraquest.com/f1high.htm
Here's one from Edmund that shows a Pellicle "beam splitter", works the same
but has superior qualities.
http://www.edmundoptics.com/onlinecatalog/displayproduct.cfm?productid=2044&;
CFID=1941248&CFTOKEN=ba8b82d60fb65f7d-6C95818C-3048-41AD-8422E529AC5CC370
Sorry about the long URL, you'll have to copy and paste it.
Aren't these the same solutions like the one used in Olympus E-10 and E-20?
