Bushnell Engage EDX 10×42 Binocular Overview
The Bushnell Engage EDX 10×42 Binocular is engineered for demanding observation scenarios, providing critical target identification and situational awareness. Designed with a focus on optical precision and robust environmental resilience, this optic integrates advanced lens coatings and durable construction to support high-stakes field use.
Key Features
Optical Performance
- ED Prime Glass: Extra-Low Dispersion (ED) Prime Glass minimizes chromatic aberration, delivering high-resolution images with accurate color fidelity. This enhances target differentiation and detail recognition, critical for precise assessment.
- Dielectric Coated Prisms: Prisms are Dielectric Coated, optimizing light reflection across the visible spectrum. This achieves maximum light transmission, resulting in bright, high-contrast images, particularly beneficial in low-light conditions.
- PC-3 Phase Coating: Applied to the roof prisms, PC-3 Phase Coating corrects phase shift, directly enhancing image resolution and contrast. This contributes to the exceptional detail and sharpness rendered by the optic.
- Fully Multi-Coated Optics: All air-to-glass surfaces are fully multi-coated, which mitigates light loss and glare. This optimization maximizes optical efficiency and light throughput, further contributing to image brightness and clarity.
Construction and Durability
- Magnesium Chassis: The robust magnesium chassis ensures structural integrity and precise optical alignment while minimizing overall weight. This construction is essential for reliable performance and reduced user fatigue during extended field deployment.
- EXO Barrier Protective Coating: The exterior lens surfaces are treated with Bushnell’s proprietary EXO Barrier coating. This molecularly bonds to the glass, repelling water, oil, fog, and debris, ensuring unimpeded visibility in adverse environmental conditions.
- IPX7 Waterproof Rating: This binocular is rated to IPX7 standards, confirming its capability to withstand immersion in 1 meter of water for 30 minutes. This prevents internal moisture ingress, preserving optical function in wet environments.
- Nitrogen Purged: The optical system is nitrogen purged to eliminate internal fogging caused by rapid temperature fluctuations. This maintains optical clarity across varied climates and temperature gradients.
Ergonomics and Usability
- Intuitive Central Focus: An oversized, textured central focus knob permits precise, rapid focusing adjustments, even when wearing gloves.
- Adjustable Twist-Up Eyecups: Multi-position twist-up eyecups optimize eye relief for comfortable viewing with or without corrective eyewear.
- Diopter Adjustment: A dedicated diopter adjustment ring allows precise calibration of the binocular to individual user’s vision, ensuring optimal focus for both eyes.
Technical Specifications
- Magnification: 10x
- Objective Lens Diameter: 42mm
- Field of View (ft@1000yds): 340 ft
- Field of View (Degrees): 6.5°
- Exit Pupil: 4.2mm
- Eye Relief: 19mm
- Close Focus: 8 ft (2.4m)
- Prism System: Roof
- Prism Glass: BaK-4
- Lens Coating: Fully Multi-Coated
- Protective Lens Coating: EXO Barrier
- Chassis Material: Magnesium
- Waterproof Rating: IPX7
- Fogproof: Nitrogen Purged
- Weight: 23.8 oz (675g)
- Color/Finish: Black









