[EMS Discuss] Solar Foundry

Scott sceptic4life at gmail.com
Sat Jan 25 23:36:49 PST 2014


> The frosting might not affect infra red as much as visible range.

> Sent from my iPhone

On Jan 25, 2014, at 10:20 AM, Bob Miller <kbob at jogger-egg.com> wrote:

> A 52" irregular plastic box?  We can hold a puppet show!
> 
> If the frosting is on the opposite side from the Fresnel grating, you might be able to buff out the frosting with Novus #2 polish.  I have a bottle if you want to try.  If you know what kind of plastic it is, you can also clean it and wet it with [solvent] to melt and re-flow the surface.  The second approach is easier but more likely to destroy the lens if it doesn't work.
> 
> Also, be sure to try passing light through in both dimensions.  The interaction of the grating with the frosting may work differently in one direction than the other.
> 
> 


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