This should be an excellent mirror for MARS. I am looking for a 16" mirror myself and would like to sell this mirror to partially fund that purchase. This is a full-thickness pyrex mirror with a 1/8 wave surface certified by Edmund/UPCO. Coating is wearing a bit around one edge and in a couple of spots (~1/8" diameter), but the mirror is quite useable without re-coating as is. No damage to the glass or figure at all.
Very nice planetary mirror, but nice deep-sky use also. Will include the 2.1" ma secondary mirror with the primary. Reduced to $400 + shipping, or could be part of a deal for a 16" optics set. Thanks!