Recent content by Spirit532

Yes. Secret buyer who then sends the packages(with no means or incentive to tamper) to an accredited lab that's capable of and allowed to conduct official EN207 tests.

The issue with that is that you must eliminate all points of bias or tampering. That's why you go independent, and ideally with a "secret buyer" system too. But that costs money, and it seems like SL does not wish to spend any, only make it.

Zoom in. It's perfectly legible, and I haven't had anyone complain about it. X is wavelength in 50nm increments, Y is transmission from 0 in 10% increments.

In regards to eye protection, I am completely independent and impartial, as I work in a completely different field(EE, only occasionally build laser stuff, not eyepro). I bought the EP-15-4 goggles from an official reseller in a country closer to my location, and I specifically asked for the...

I will chime in. While I do not have the certification results for the spectrophotometer I had access to(strictly controlled lab, couldn't carry USB sticks in/out, which is why they're also photos), I did bring multiple known-good goggles from reputable manufacturers, and have acquired spectra...