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Mirrors
For a mirror mount you need a First Surface Mirror, army tank mirrors are first surface mirrors, but would not be optically flat (very expensive those).
My DIY mirror mount can be used with good results up to my 28x100 binoculars using a good first surface mirror ( from the supplier down Bankstown way Sydney.)
The office man there will look p a nice piece as his daughter is a budding star gazer.
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