The notion that one must use a first surface mirror, instead of a conventional, run-of-the-mill, glass front mirror, is true in theory
, however speaking from experience I can tell you all that in actual practice a large, conventional mirror works just fine, if kept clean, and will cost a tiny
fraction of the price.
For those of you who are quick to cast doubt and argue that a conventional mirror will create a faint, secondary reflection off the glass surface, in addition to the intended one off the silver surface below the glass, (which I'm not arguing it doesn't), I ask you this: Are you bothered when you stand in front of your bathroom mirror (or full length wall mirror) and gaze down at your reflected belt buckle's image, being delivered to your eyes at a 45 degree angle and off a conventional glass surfaced mirror, complete with a faint "added ghost reflection" from the glass surface?
[Go try it.] Not me; I dont see ghosting or a loss of contrast at all!
In a previous home setup, I bought, and used for years, a Erias Home Designs 30 in. x 24 in. Beveled Wall Mirror, at Home Depot for only $19.99
, fully thinking at the time I bought it that it would be my temporary
test mirror to help me figure out the logistics and limitations of using a mirror with a home built reflection apparatus.
I was so floored by the completely distortion-free reflection it cast, I never even looked into replacing it with a first surface design which would have been hundreds
of dollars for that size, hard to find/ship, and more easily scratched when cleaned.