On Fri, 6 Jun 2008, Gonz wrote:
> Speaking of split screen focusing aids, look at this ebay listing:
>
> http://tinyurl.com/3goxz7
>
> They even give you finger condoms!
I've seen the cheaper ones on ebay (finally!), but haven't seen
the justification for replacing the one I made myself from filing down a
full-sized screen. This one has a diagonal split prism though, so I might
just go for it. My old P30T had diagonal and always though it was the
most useful orientation for a split prism (either a H or V line in subject
will work).
-Cory
*************************************************************************
* Cory Papenfuss, Ph.D. Electrical Engineering, PPSEL-IA *
* Research Associate, Vibrations and Acoustics Laboratory *
* Mechanical Engineering *
* Virginia Polytechnic Institute and State University *
*************************************************************************
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