Digital BW, The Print

mrgs1001 schreef:
> Yes, just plain old glass has some uv filter, just not 98% like the filter stuff has, but I have not seen hard numbers as to how much.
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul" <paulmwhiting@...> wrote:
>> Thank you! By that you mean just "ordinary" glass or acrylic, not the more expensive variety that is advertised as having special UV filtering?

The UV cutting of plain window glass is at about 380 Nm where typical UV 
blocking glass tries to get that done at 400 Nm.

There is a PDF here about the spectral transmission of several grades of 
framing glass, acrylics and foils.

http://www.icn.nl/getasset.aspx?id=2604

In Dutch but with the spectral plots for each type


-- 
Met vriendelijke groeten,   Ernst

Try: http://tech.groups.yahoo.com/group/Wide_Inkjet_Printers/

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