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Re: How does the AstraIIIb split mirror work?
From: Ken Muldrew
Date: 2004 Apr 24, 23:10 -0600
From: Ken Muldrew
Date: 2004 Apr 24, 23:10 -0600
> I repeated the experiment, this time blocking the horizon mirror's > clear window from the front. Not surprisingly I guess, for all 3 > sighting devices (sight tube, 4.5x30 and 6x40 telescopes) I only saw > the index mirror's image in the right half of the field of view, and > it stopped sharply at the center of the field of view where the > vertical edge of the mirror ended. This is surprising. When I block my horizon mirror's clear window from the front (leaving the mirrored half unblocked), I see the index mirror's image across the entire field of view with a 5x36 scope. Ken Muldrew.
