Vanguard Endeavor ED II 8420 8x42 ED Glass Binoculars – ED Glass, BaK4 Prism, Fully Multi-Coated Optics, Waterproof/Fogproof, Lifetime Warranty
Vanguard Endeavor ED II 8420 8x42 ED Glass Binoculars – ED Glass, BaK4 Prism, Fully Multi-Coated Optics, Waterproof/Fogproof, Lifetime Warranty
Item: ENDEAVOR ED II 8420
Delivery: FREE
Overview
A proven 8x42 binocular delivering sharp ED optics, rugged durability, and backed by a Lifetime Warranty.
Key Features & Benefits
- 8x42 configuration provides a wide, stable field of view for versatile observation
- ED glass + phase-corrected BaK4 prisms deliver sharp detail, true color, and enhanced contrast
- Fully multi-coated optics maximize brightness and clarity in all lighting conditions
- Lightweight magnesium-alloy construction balances durability with portability
- Waterproof and fogproof design for reliable performance in all weather
- Open-bridge ergonomic design provides a secure, comfortable grip
- Smooth center focus wheel + locking diopter for precise adjustments
- Three-stage twist-up eyecups for customizable viewing comfort
- Ideal for hunting, birdwatching, and outdoor observation
- Includes carrying case, strap, and accessories for ready-to-use convenience
- No-fault, no-hassle Lifetime Warranty for long-term confidence

The Endeavor ED II 8420 8x42 Binoculars are designed to deliver high-performance optics with rugged reliability, making them a trusted choice for hunters, birders, and outdoor enthusiasts who demand clarity and consistency in the field.
At the core is a premium optical system featuring extra-low dispersion (ED) glass and phase-corrected BaK4 prisms, engineered to reduce chromatic aberration and deliver sharp detail, accurate color fidelity, and strong contrast across the entire field of view. Complementing this system, fully multi-coated optics enhance light transmission for bright, clear images, even in challenging or low-light conditions.
The 8x42 configuration provides a wide, stable viewing experience, ideal for scanning terrain, tracking movement, and extended glassing sessions. It offers a balanced combination of magnification and brightness, making it highly versatile across a wide range of outdoor applications.
Built for real-world durability, the binocular features a lightweight magnesium-alloy housing with protective rubber armor, delivering strength without unnecessary weight. Its nitrogen-filled, O-ring sealed construction ensures it is fully waterproof and fogproof, allowing it to perform reliably in changing weather and demanding environments.
Designed for comfort and control, the open-bridge ergonomic design provides a secure grip, while a smooth center focus wheel and locking diopter allow for fast, precise adjustments. Three-stage twist-up eyecups ensure a customizable viewing experience for extended use, whether with or without eyewear.
Backed by Vanguard’s no-fault, no-hassle Lifetime Warranty, the Endeavor ED II 8420 delivers not only strong optical performance—but long-term confidence in the field.
Another Fine Day Afield.
| Adjustable Pupillary | 58-74 mm | 58-74 mm |
|---|---|---|
| Diameter of objectives | 42mm | 42mm |
| Dimensions (L x W) | 6.1 x 5.1 inches | 6.1 x 5.1 inches |
| Exit Pupil | 5.2 mm | 5.2 mm |
| Eye Cup | 3 stops Twist-out eyecups | 3 stops Twist-out eyecups |
| Eye Relief | 19.5 mm | 19.5 mm |
| Field of View | 377 ft./1000 yds. | 377 ft./1000 yds. |
| Focus System | Center Focus | Center Focus |
| Lens coating | Fully multi-coated | Fully multi-coated |
| Magnification | 8x | 8x |
| Near Focus | 6.6 ft. | 6.6 ft. |
| Prism Type | BaK4 | BaK4 |
| Series | Endeavor ED II | Endeavor ED II |
| View Angle | 7.2 Degrees | 7.2 Degrees |
| Warranty | Premium Lifetime | Premium Lifetime |
| Waterproof/Fogproof | Yes | Yes |
| Weight | 27.16 oz. | 27.16 oz. |

The Endeavor ED II 8420 8x42 Binoculars are designed to deliver high-performance optics with rugged reliability, making them a trusted choice for hunters, birders, and outdoor enthusiasts who demand clarity and consistency in the field.
At the core is a premium optical system featuring extra-low dispersion (ED) glass and phase-corrected BaK4 prisms, engineered to reduce chromatic aberration and deliver sharp detail, accurate color fidelity, and strong contrast across the entire field of view. Complementing this system, fully multi-coated optics enhance light transmission for bright, clear images, even in challenging or low-light conditions.
The 8x42 configuration provides a wide, stable viewing experience, ideal for scanning terrain, tracking movement, and extended glassing sessions. It offers a balanced combination of magnification and brightness, making it highly versatile across a wide range of outdoor applications.
Built for real-world durability, the binocular features a lightweight magnesium-alloy housing with protective rubber armor, delivering strength without unnecessary weight. Its nitrogen-filled, O-ring sealed construction ensures it is fully waterproof and fogproof, allowing it to perform reliably in changing weather and demanding environments.
Designed for comfort and control, the open-bridge ergonomic design provides a secure grip, while a smooth center focus wheel and locking diopter allow for fast, precise adjustments. Three-stage twist-up eyecups ensure a customizable viewing experience for extended use, whether with or without eyewear.
Backed by Vanguard’s no-fault, no-hassle Lifetime Warranty, the Endeavor ED II 8420 delivers not only strong optical performance—but long-term confidence in the field.
Another Fine Day Afield.
| Adjustable Pupillary | 58-74 mm | 58-74 mm |
|---|---|---|
| Diameter of objectives | 42mm | 42mm |
| Dimensions (L x W) | 6.1 x 5.1 inches | 6.1 x 5.1 inches |
| Exit Pupil | 5.2 mm | 5.2 mm |
| Eye Cup | 3 stops Twist-out eyecups | 3 stops Twist-out eyecups |
| Eye Relief | 19.5 mm | 19.5 mm |
| Field of View | 377 ft./1000 yds. | 377 ft./1000 yds. |
| Focus System | Center Focus | Center Focus |
| Lens coating | Fully multi-coated | Fully multi-coated |
| Magnification | 8x | 8x |
| Near Focus | 6.6 ft. | 6.6 ft. |
| Prism Type | BaK4 | BaK4 |
| Series | Endeavor ED II | Endeavor ED II |
| View Angle | 7.2 Degrees | 7.2 Degrees |
| Warranty | Premium Lifetime | Premium Lifetime |
| Waterproof/Fogproof | Yes | Yes |
| Weight | 27.16 oz. | 27.16 oz. |