[ATM] Building 2 mirror RACI for bi-refractor

["stU" <stu@aaronj.com>]

I am building a Matsumoto EMS system in a box:

http://www.page.sannet.ne.jp/mazmoto/index-e.htm

With only 2 mirrors you can get a RACI (right angle correct image) .  A
pair, and you can build a bi-refractor.

Imagine a 120mm f/5  (Orion 120ST) binocular.

Or, with big bucks, an ED or APO binocular.

I am looking for others interested in this concept.
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