Detailed Specifications:
Brand: WestHunter
Model Number: HD 4-16x44 SFIR PRO
Magnification: 4-16x
Eyepiece Lens Diameter: 42.5 mm/1.67 in
Objective Lens Diameter: 52 mm/2.05 in
Length: 335 mm / 13.19 in
Weight: 623 g / 22.0 oz
Tube Diameter: 30 mm/1.18 in
Focal Plane: Second Focal Plane
Illumination: Yes(Six Gear Red, the CR2032 battery is not included in package)
Click Value: 1/10 MIL
Exit Pupil: 10 mm - 2.9 mm/0.39 in-0.11 in
Eye Relief: 85 mm - 72 mm/ 3.35 in-2.83 in
Field of View (100yds): 22.6-7.4 ft
Elevation/Windage Range: ≥60 MOA
Parallax Adjustment: 10yds to Infinity
Optics Coating: FMC(Fully Multi-coating)
Range of Dioptric compensation +/- dpt: 2
Surface Treatment: Black Anodizing
Range of Function temperature (Unit can still be operated): -25°C/+55°C
Storage temperature: -40°C to +85°C
Change of impact point after change of magnification (MOA): 1
Fast Focus Eyepiece: Yes
Nitrogen Filled: YES
Shockproof/Waterproof/Fogproof: YES

You will be amazed by the cost-effectiveness brought by its clarity and durability, surpassing that of similar products in its class!