Outfitted with a configuration favored by birders, hunters, and outdoor enthusiasts who work at long ranges, the Opticron 10x42 Adventurer II WP Binoculars feature high power for bringing far-off subjects in close, and an objective lens diameter that provides extended performance in low light without excessive bulk. Outfitted with BAK4 roof prisms and fully multicoated optics, they deliver high-contrast views that are bright and clear with accurate color representation. Their 15mm eye relief helps boost the comfort-level during extended observation sessions and reduces eye fatigue.

The body is made from aluminum and polycarbonate for strength and durability. The neutral weight distribution ensures the center of gravity sits naturally in your hand to help prevent arm fatigue. Protective rubber armor and raised palm pads provide a slip-resistant grip and the large, textured focus wheel makes them easy to use — especially in cold and wet weather or when wearing gloves. The optical tubes are nitrogen-filled and O-ring sealed to make them waterproof and to prevent internal fogging when you are moving through extreme temperature and environmental conditions. Tethered objective lens caps ensure they are nearby when needed and a one-piece ocular rainguard allows for fast deployment in the field.

BAK4 Roof Prisms    Fully Multicoated Optics    Nitrogen-Filled, Fog and Waterproof    Closed-Bridge Configuration    Aluminum and Polycarbonate Chassis    Large Center Focusing Knob    Tripod Mountable with Optional Adapter    Twist-up Rubber Eyecups    Weight: 22 Ounces

• High 10x magnification for making detailed observations of distant objects
• Larger 42mm objective lenses draw in more light than smaller models for better viewing in low-light conditions
• Compact roof prisms help keep the form-factor slim for easy pack and carry and a comfortable hold
• BAK4 prisms deliver a round exit pupil plus a crisp and clear image with limited edge distortion
• Antireflection fully multicoated optics maximize light transmission to help produce accurate color fidelity as well as improved contrast and brightness
• 294' field of view at 1000 yards

• Closed-bridge configuration adds stability and provides a solid platform for the focusing mechanism
• Large, textured, slip-resistant focusing knob is easy to manipulate precisely, even while wearing gloves
• Right-eye dioptric offers ±2 correction for precise focus adjustment to most user's individual prescription
• Interpupillary adjustment range is 56-73mm 
• Twist-up rubber eyecups for comfortable use with or without eyewear
• Tripod mountable with optional adapter for hands-free use to minimize arm fatigue and vibrations
• Eye relief is 15mm for comfortable long-duration observation sessions comfortable with reduced eye strain
• Exit pupil is 4.2mm and will cover pupils as they open and dilate in low light

• Lightweight and sturdy aluminum and polycarbonate construction
• Neutral balance makes them comfortable in the hand and reduces fatigue during long glassing sessions without a support system
• Nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature changes
• Protective rubber armor provides a slip-resistant grip
• Textured palm pads improve grip security and stability — especially in wet weather
• Tethered one-piece ocular rainguard and objective lens caps prevents their loss while keeping them handy
• Weight: 22 ounces

Related Questions and Answers

Q: 1. Is the front objective of the 10x42L IS threaded for an aluminum lens hood or filter? If so what diameter is it? The binoculars are obviously 42mm diameter, but the recommended accessories lists a 52mm lens hood. If the threads are 42mm does anybody make a lens hood that size? Sensei does not list a 42mm hood.

A: The accessory would indeed need to be 52 mm. the cross diameter is just over 2". And yes it is threaded....hope this helps.

Q: 2. Why did you choose this model over the LEICA Ultravid HD 10x32?

A: I am not quite sure what you mean. However I do know most people choose the 42mm Size because it is brighter, and better in low light. The 32mm are lighter weight, however not as bright.

Q: 3. I also want the floating strap. how much to include that please ?

A: The model floats, so you do not need a floating strap extra. We do not carry a dedicated Floating Strap that will work with this model either. My sincere apologies.

Q: 4. Whats in the box?

A: Binocular and case. Wide Canon strap for the binocular, plain skinny strap for the case. AA batteries, objective and eyepiece lens caps, a tether for the objective caps, manual, registration card. No cleaning cloth.

Q: 5. How does the 8 X 43 Z-Series' Hybrid Aspherical Lens Elements compare to its ED cousins in terms of refractive and abbe indexes?

A: The ED version will be significantly higher resolution and much brighter

Q: 6. I added lens hoods to protect the objectives but now the binoculars no longer fit in the case. Any recommendations for an alternative one?

A: I recommend the following: two 52 mm screw-in UV filters (I went for the B+W No. 010 MRC Master filters [a bit of "overkill," but they are excellent) and a pair of Canon 52 mm "pinch-style" lens caps (which fit securely when used with the B+W filters). I find this combination works well, looks good, and allows easy insertion of the entire assembly into the case. I have never understood the need for bulky lens hoods in this application, since the optics are very flare-resistant in the first place, and the filters protect the front surface of the objective lenses at all times. For the B+H filters see: https://www.bhphotovideo.com/c/search?q=B%2BH%2052mm%20UV%20Master%20filters&sts=ma For the Canon 52 mm pinch-style lens caps see: See: https://www.bhphotovideo.com/c/product/883410-REG/Canon_6315b001_E_52_II_Lens_Cap.html https://www.bhphotovideo.com/c/product/883410-REG/Canon_6315b001_E_52_II_Lens_Cap.html

Q: 7. I lost my manual. Where can i download one?

A: You probably can get one from B&H - if not Google Canon and you should be able to get one there.

Q: 8. Made in China?

A: The Pentax 10x42 S-Series SD WP Binocular is made in the Philippines.

Q: 9. Can the objective lens covers be removed completely from the binoculars and later be reattached if needed?

A: Yes, the lens cover on the Nikon 10x42 Monarch HG Binoculars are removable rubber caps.

Q: 10. What is the warranty for a USA purchaser?

A: These binoculars carry a 3-Year Leica No-Fault Passport Warranty and Limited Lifetime Warranty.