Vanguard Endeavor ED 8420 Binoculars – ED Glass, BaK4 Phase-Coated Prisms & Premium Lifetime Warranty

Vanguard Endeavor ED 8420 Binoculars – ED Glass, BaK4 Phase-Coated Prisms & Premium Lifetime Warranty

Item: ENDEAVOR ED 8420

Delivery: FREE

$299.99 Buy It Now $369.99 Retail Price In Stock You Save 18% ($70.00)

Overview

Sharp, bright, and built for the field, the Endeavor ED 8420 delivers exceptional clarity and contrast in any conditions. Backed by Vanguard’s premium lifetime warranty, it’s a reliable optic you can trust every time you head out.


Key Features & Benefits

  • 8x magnification with 42mm objective lenses for bright, stable viewing
  • Extra-low dispersion (ED) glass enhances color accuracy and reduces chromatic aberration
  • BaK4 phase-coated roof prisms for sharp, high-contrast images
  • Fully multicoated optics maximize light transmission and clarity
  • Advanced lens coatings (V-Max Silver, Emerald, Anti-Reflection) for vivid color and improved contrast
  • Wide field of view (367 ft. @ 1000 yards) for efficient scanning
  • Lightweight open-bridge design for secure, comfortable handling
  • Center focus system with precise control for quick adjustments
  • 3-stage twist-out eyecups with ~19mm eye relief and locking diopter for viewing comfort
  • Nitrogen-filled, waterproof and fogproof construction for all-weather performance
$299.99 Buy It Now $369.99 Retail Price

When clarity matters and conditions don’t cooperate, the Vanguard Endeavor ED 8420 Binoculars are built to deliver. Designed for hunters, birders, and outdoor observers, they offer a powerful combination of optical performance, rugged durability, and all-day comfort.

At the core of the Endeavor ED is a precision optical system built around extra-low dispersion (ED) glass, which aligns light wavelengths to reduce chromatic aberration and deliver accurate, natural color. The result is sharper images with improved contrast and resolution—especially noticeable when glassing at distance.

To further enhance image quality, the binoculars feature phase-coated BaK4 prisms and fully multicoated lenses, working together to maximize light transmission and deliver bright, high-contrast images across the entire field of view. Additional advanced coatings—including V-Max Silver, Emerald, and anti-reflection treatments—help produce vivid color, improved contrast, and reduced glare, even in challenging lighting conditions.

The 8x magnification paired with 42mm objective lenses provides a balanced viewing experience—offering strong reach while maintaining a wide, steady field of view (367 ft. at 1000 yards). Whether you’re scanning terrain or tracking movement, it’s a setup designed for real-world performance.

Built for extended use, the open-bridge ergonomic design reduces weight while providing a secure, comfortable grip in all conditions. A smooth center focus system allows for fast adjustments, while the locking diopter and 3-stage twist-out eyecups with long eye relief (~19mm) ensure a comfortable, customized viewing experience.

When conditions turn, the Endeavor ED is ready. The nitrogen-charged, O-ring sealed construction ensures waterproof and fogproof performance, allowing you to keep going through rain, humidity, and temperature changes without hesitation.

And just as important as performance is confidence over time. The Endeavor ED 8420 is backed by Vanguard’s premium no-hassle lifetime warranty, giving you long-term peace of mind with every outing.

From early light to last glass, the Endeavor ED 8420 delivers the clarity, reliability, and durability you need to stay focused on what matters.

Another Fine Day Afield.

Category 1165,1168 1165,1168
Color Black Black
Diameter of objectives 42mm 42mm
Dimensions (L x W) 154 x 130mm 154 x 130mm
Eye Cup 3 stops Twist-out eyecups 3 stops Twist-out eyecups
Eye Relief 19
Features 1163,1164,1161,1162 1163,1164,1161,1162
Field of View @1000m 122 122
Field of View @1000 YDS 367 367
Focus System Center focus Center focus
Illuminated Reticle No No
Lens coating Fully multi-coated Fully multi-coated
Magnification 8 8
Near focus
Ocular Adjustment ±4 ±4
Phase coating Yes Yes
Power 8 8
Prism Type BaK4 Roof prism BaK4 Roof prism
Relative Brightness 28.0 28.0
Series Endeavor ED Endeavor ED
Size Class Full-size Full-size
Twilight Factor 19.5 19.5
View Angle 7.0 7.0
Warranty Applicable by national law Applicable by national law
Waterproof Yes Yes
Weight 25.75 730

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