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virusc
Joined: 11 Apr 2007
Posts: 358
Location: Massachusetts
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| Posted: Fri Jun 11, 2010 10:58 am Post subject: |
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best place is to go to the local dump or drive around on trash day. All, and I know for sure all Mitsubishi RP TV's from 1998-xx at least have first surface mirrors.
Glass does not mean first surface. The difference is quite striking between the two.
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cmjohnson
Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s
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| Posted: Fri Jun 11, 2010 8:17 pm Post subject: |
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Correct. Your typical glass mirror has its reflective surface on the back side of the glass, for protection of the silvering. It's also going to
have a protective coat of paint (usually grey) over the silvering on the back.
A first surface mirror is silvered on the surface closest to the screen. There are no internal reflections as there are with a rear surfaced
mirror, but the surface is more delicate by far and can be easily scratched or damaged.
Incidentally, I have also seen a few plastic first surface mirrors. They were good but not great. It seems that getting
a piece of plastic that size optically flat is not easy or cheap to do.
CJ
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