First surface mirror, Aluminium, Glass or Acrylic?

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hp_
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First surface mirror, Aluminium, Glass or Acrylic?

Postby hp_ » Sun Mar 23, 2014 12:31 pm

Hi,

until now i've found a few suppliers that sell First surface mirror.
but i was wondering. material should be usefull for DLP printers?

Aluminium coated?
Glass coated?
Acrylic coated?

Hope anyone know.

cheers,
hp

Finhead
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby Finhead » Sun Mar 23, 2014 1:11 pm

From what I have gathered in my build Glass coated is the way to go for projection. It's what is used in Projectors and the old projection based TV's.
If you need a piece of a certain size PM me I can cut a piece off if you want to pay shipping, I have a huge mirror I just cut up last night.

AndersonTa
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby AndersonTa » Tue Mar 25, 2014 10:15 pm

A good source for quality first surface mirrors made of glass is firstsurfacemirror.com. They will cut to size and are reasonably priced for the quality you get. Remember to get the glass kind and not the acrylic.
@AndersonHTa

hp_
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby hp_ » Sat Mar 29, 2014 4:25 pm

Hi Finhead,

thanks for the offer, but in the meantime i got 2 pieces from my chineese supplier..
not to shabby, $7 (70mmx50mm) - $20 (150mmx120mm)

shipping was killing though..
cheers,
hp

tjb1
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby tjb1 » Tue Apr 29, 2014 10:07 am

Does it matter if it is surface coated or back coated?

darrin3d
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby darrin3d » Tue Apr 29, 2014 10:09 am


tjb1
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby tjb1 » Tue Apr 29, 2014 11:08 am


Finhead
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby Finhead » Tue Apr 29, 2014 11:25 am


Finhead
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby Finhead » Tue Apr 29, 2014 11:28 am

Here this image shows exactly what happens if a regular mirror is used instead of a first surface.

Image

Clinton

fleming
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Re: First surface mirror, Aluminium, Glass or Acrylic?

Postby fleming » Tue Apr 29, 2014 11:30 am



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