Vector Optics Sentinel 4-16x50 Gen II SFP Riflescope with VSE-4 MOA Reticle
The Vector Optics Sentinel 4-16x50 Gen II is a highly versatile riflescope crafted for precision shooters and long-range enthusiasts. Engineered with a 4x zoom ratio and housed in a rugged 30 mm monotube, this riflescope delivers consistent performance across variable distances. Its VSE-4 MOA illuminated reticle, positioned in the second focal plane, provides fine aiming points and a sharp illuminated center dot—perfect for high-contrast visibility in both bright daylight and twilight conditions.
High-Performance Features
- 4–16x Variable Magnification: Offers wide adaptability from close to mid- and long-range targets.
- 50 mm Objective Lens: Collects ample light for a crisp, edge-to-edge image and great low-light performance.
- Second Focal Plane (SFP) Reticle: Reticle size remains constant across all magnifications, ensuring intuitive use.
- Zero Stop Elevation Turret: Quickly return to your zero without the need for visual reference—ideal for field adjustments.
- 1/4 MOA Click Adjustments: Tactile, audible clicks for precise windage and elevation corrections.
- Side Parallax Adjustment: Adjustable from just 10 yards to infinity, supporting ultra-precise focus across all distances.
- Fully Multi-Coated Lenses: Enhance brightness, reduce reflections, and ensure high contrast even in dim conditions.
- Generous Eye Relief: A full 100 mm (4") of eye relief ensures comfort and recoil safety during use with high-powered rifles.
Durability and Build Quality
- Construction: Precision-machined from aircraft-grade 6061-T6 aluminum for superior rigidity and strength.
- Shock Resistance: Tested up to 750 G recoil—compatible with calibers like .308 Win, 6.5 Creedmoor, and similar.
- Weatherproofing: IPX4 waterproof rating protects internal components in rain or humidity.
- Fogproofing: Nitrogen-purged internals eliminate internal fog in temperature and humidity shifts.
Optical Specifications
| Characteristic |
Specification |
| Magnification |
4–16× |
| Objective Lens |
50 mm |
| Focal Plane |
Second Focal Plane (SFP) |
| Reticle |
VSE‑4 MOA (Illuminated Center Dot) |
| Eye Relief |
100 mm |
| Lens Coating |
Fully Multi-Coated |
| Linear Field of View |
24.6–6.3 ft @ 100 yd / 8.2–2.1 m @ 100 m |
| Angular Field of View |
4.7° – 1.2° |
Mechanical Specifications
| Characteristic |
Specification |
| Tube Diameter |
30 mm |
| Click Adjustment |
1/4 MOA |
| Turret Feature |
Zero Stop (Elevation) |
| Parallax Adjustment |
Side Focus (10 yds to ∞) |
| Shock Resistance |
750 G |
| Waterproof |
IPX4 |
| Fogproof |
Nitrogen Purged |
Summary
The Vector Optics Sentinel 4–16×50 Gen II riflescope delivers serious precision for both tactical and sporting applications. With its advanced turret system, crisp MOA reticle, and robust housing, it’s well-suited for competitive marksmen and hunters demanding pinpoint accuracy and dependable construction in a feature-rich optic.
