Reflex Sight Lens, Red DOT Sight Lens

DIA: 31.95MM
RADIUS: R1 = 147.42 ± 0.05. R2 = 146.303± 0.05.
THICKNESS @ OPTICAL CANTRE: 3MM
DIMENSION TOLERANCE: W(+0, -0.1), H(+0.1, 0.1)
SURFACE FINISH: 80/50 SCRATCH / DIG TO M11-O-13830A
FLATNESS: Λ/2 AT 633NM
CHIP: <=0.2MM
COATING R1: T<10% AT 610NM
TAVG. > 80% BETWEEN 640 AND 850NM
COATING R2: AR 550NM

Specs: Diameter 15MM-43MM, curvature radius R70~R155, tolerance of edge thickness is winthin 0.005mm.

The shaded reflex in red DOT sight lens provides a sharp image and a wide field of view in all light conditions and is suitable for rapid firing and tracking moving targets.