indiegogo project .. mood-glasses

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[AgX]

As this in not in the "Lounge" I guess you advise these as photographic effect filters?

 

[removed account4]

yup

 

[AgX]

I guess the diameter is too small. But I could not find a diameter stated.
One could print such pattern on clear foil though. Likely the optical quality of such will not be less than these commercial ones.