Matthias
Past Moderator
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Posts: 1418
Gatineau/Ottawa QC, Canada
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Right, except the way I'm reading your explanation it won't work. The mirror doesn't "beam" the light straight forward like some sort of magic death ray, it just reflects it.
Imagine standing facing your target due south, and the sun is rising in the east. If you aim you mirror via shotgun device at the target, the sun-beam will hit somewhere off to the west. In order to hit the target, you need to aim the mirror at a point midway along the straight line connecting the sun and target. Since this is a "virtual" point, you can't aim the mirror effectively with a fixed sight.
The simple "signal mirror" style aiming method deals with all of this quite nicely. It is deadly accurate, and all you need is a small hole. Give it a try!
Matthias
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