optical
Luminous flux according to Bining : 200 lumens.
Colour temperature : 2400 K to 5000 K.
Service Range : 70 % of nominal flux after 50 000 hours.
Colour Rendering Index : CRI 90.
PMMA acrylic lens and window, efficiency ~90 %.
Honeycomb hexagonal cells 3*3 mm (flow cut at 60°).
Available degrees : 10°, 18°, 28°, 40° & Elliptic.