This is a BSA Optics Rifle Scope known as the Optix, model HS3-9X40TB.
The new OPTIX series offers fully multi-coated lenses" one-piece aluminum tube construction" low profile zero-reset turrets" fast focus" two-piece weaver rings" as well as BSA's new BDC-8 reticle. The 4.5-18X model offers an adjustable objective and illuminated reticle" in addition to the above features.
Features:
MAGNIFICATION LOW: 3X
MAGNIFICATION HIGH: 9X
OBJECTIVE LENS DIA. (MM): 40
ADJUSTMENT GRADUATION (MOA): 1/4
LENS COATING: Fully Multi Coated
W/E ADJUSTMENT RANGE: 35
EYE RELIEF (INCHES): 3.7 – 4
FOV LOW @ 100' (FT): 31.9
FOV HIGH @ 100' (FT): 10.6
PARALLAX SETTING (YDS): 100
