Detailed Specifications:
Brand: WestHunter
Model Number: HD GEN2 4-16X50 FFP
Magnification: 4-16x
Eyepiece Lens Diameter: 35 mm/1.38 in
Eyepiece Tube Diameter: 44 mm/1.73 in
Objective Lens Diameter: 50 mm/1.97 in
Objective Tube Diameter: 58.2 mm/2.29 in
Length: 346 mm/13.62 in
Weight: 714 g / 25.19 oz(Zero Reset) or 730 g / 25.75 oz(Zero Stop)
Tube Diameter: 30 mm/1.18 in
Focal Plane: First Focal Plane
Illumination: No
Click Value: 1/10 MIL
Exit Pupil: 11 mm - 2.75 mm/0.43 in - 0.11 in
Eye Relief: 105 mm - 100 mm/ 4.13 in- 3.93 in
Field of View (100yds): 24.6-6.3 feet
Field of View: 4.7°-1.2°
Elevation/Windage Range: ≥60 MOA
Parallax Adjustment: 10yds to Infinity
Optics Coating: FMC(Fully Multi-coating)
Range of Dioptric compensation +/- dpt: 2
Surface Treatment: Matte 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

As an entry-level precision shooting scope, its remarkable cost-effectiveness will pleasantly surprise you!