HADAR50W* window accessories provides ultimate flexibility. Extremely efficient (typical efficiency: >88%) twist and lock window accessories are specifically designed to be used with HADAR50N series TIR lens, but you can mix HADAR50WF accessory also with any HADAR50 TIR lens to achieve the exact beam angle you want.
HADAR50WF smoothens the cut-off and widens the FWHM only by ~2° degree while still having extremely low surface brightness. Try HADAR50WF with HADAR50N, HADAR50M, HADAR50W, HADAR50L main TIR collimators.
See also HADAR50 lens and HADAR50 holder options to find suitable holder for integrating the part with LLH66, Bender+Wirth, BJB35, HEKLA solderless connectors.
See also HADAR50 leaflet or download full Datasheet.