http://www.luminitco.com/products/light-shaping-diffusers
All beamshots taken with 5600K white balance, 1 meter from a white wall, exposure adjusted to show clean beam pattern. The sticker in the center placed to make focusing easier.
Left: Olight diffuser (2mm thick plain glass, sandblasted on one side)
Right: Luminit LSD 80° (0,27mm thick flexible polycarbonate, textured on one side)
Test method: 2mm, 10mm, 20mm, 30mm, 40mm, and 50mm from 3 x XPG4500K dome.
Driven 3S @0,01A CC
[UPDATE: NEW TEST 170706]
The result speaks for itself.
Price doesn't lie. At USD 600 for 60cm x 240cm this is one of the most expensive diffuser I've ever seen.
- Clemence