Bushnell 10x42mm H2O Binocular - Dark Blue Roof WP/FP Twist Up Eyecups
The Bushnell 10x42mm H2O binocular is built for serious glassing in wet, unpredictable conditions—whether you're glassing from a boat, wading a river, or glassing from shore in rain. These waterproof binoculars combine a rugged, grip-friendly design with optical performance that holds up where weather and moisture are a fact of life. The dark blue finish, lightweight aluminum body, and aggressive textured rubber grip mean you can hunt, fish, or scout all day without fatigue, even in one-handed situations where your other hand is occupied.
Waterproofing is serious here: IPX7-rated construction means these binoculars can be submerged to 1 meter for 30 minutes and still perform flawlessly. O-rings and nitrogen purging seal out moisture and fog, so your glass stays clear when conditions turn nasty. The fully multicoated optical system and BaK-4 prism glass maximize light transmission and contrast—critical when you're trying to spot game or baitfish in low light or from a distance.
The 10x42mm configuration strikes a practical balance: 10 magnification brings distant subjects into sharp focus, while the 42mm objective lens gathers enough light for early-morning and late-evening glassing. Twist-up eyecups let you dial in focus for your eyes and quickly adapt to different viewing positions. This is a workhorse binocular for hunters, anglers, and outdoor enthusiasts who need durability, optical quality, and ergonomics without compromise.
Key Features
- IPX7 waterproof rated—submerged to 1 meter for 30 minutes with no water penetration
- Nitrogen-purged and O-ring sealed for fog-free performance in any weather
- Lightweight aluminum chassis for all-day comfort and durability
- Aggressive textured rubber grip reduces slip and drop risk, even one-handed
- Fully multicoated optics with BaK-4 prism glass for superior light transmission and contrast
- Twist-up eyecups for fast focus adjustment and flexible eye relief
- Dark blue finish blends into water and brush
Specifications
| Magnification | 10x |
| Objective Lens Diameter | 42mm |
| Optical Coating | Fully multicoated |
| Prism Type | BaK-4 |
| Waterproof Rating | IPX7 (1m / 30 min submersion) |
| Fog Protection | Nitrogen purged, O-ring sealed |
| Body Material | Lightweight aluminum with textured rubber armor |
| Eyepiece | Twist-up eyecups |
| Color | Dark blue |
Frequently Asked Questions
Are these binoculars truly waterproof for boating and water sports?
Yes. The H2O carries an IPX7 waterproof rating, meaning they're tested to survive submersion at 1 meter for 30 minutes with zero water ingress. O-ring seals and nitrogen purging keep fog away even in temperature swings. They're engineered specifically for on-the-water and wet-environment use.
What's the field of view and are they good for hunting at distance?
The 10x42mm configuration is purpose-built for glassing. The 10x magnification brings distant targets into sharp detail, and the 42mm objective lens gathers sufficient light for low-light hunting conditions. This is a field-proven magnification and lens pairing for hunting, scouting, and fishing applications.
Will the grip work if my hands are wet or gloved?
Yes. The aggressive texture and non-slip soft rubber design are specifically engineered for wet and slippery conditions. The easy-grip runners and textured bridge help maintain control even with wet hands or light gloves, and the design supports confident one-handed use.
How durable are these binoculars for rough field use?
The lightweight aluminum chassis and rubber armor are designed to handle the wear and tear of serious outdoor use. They're backed by Bushnell's 20-year Lifetime Ironclad Warranty, which covers durability across the lifetime of the product and is fully transferable with no receipt required.

