Konus Optics KONUSREX 8x42mm Binocular

The Konus Optics KONUSREX 8x42mm binocular brings serious optical performance to the field without the premium price tag of European flagship glass. Built for hunters, birders, and glassing enthusiasts who demand brightness and clarity in variable light, these mid-sized binos excel as an all-around hunting optic and a capable general-purpose glass. The 8x magnification strikes a balance between steady handheld viewing and wide field of view, while the 42mm objective lenses gather enough light for early morning and late afternoon glassing when game is most active.

The optical formula is where the KONUSREX earns its reputation. Silver Mirror Coating delivers light transmission as high as 96 percent, meaning more of the available light reaches your eye as a bright, high-contrast image. The fully multi-coated lenses work in tandem with Phase Correction and BAK-4 prisms—the glass choice for serious optics—to eliminate internal reflections and deliver edge-to-edge sharpness. This combination creates the kind of resolution that separates good glass from great glass when you're picking apart a distant ridge or following movement in brush.

Durability and comfort are built in. Nitrogen filling keeps moisture out, so you can glass in rain or move between temperature extremes without fogging. The rubber-armored central focus wheel lives under your fingers, offering smooth, precise adjustment. Long eye relief means you can shoot over them without losing your sight picture, and the large eyepieces with extra-large ocular lenses reduce vignetting and ease your eye onto the exit pupil. The open hinge construction and lightweight design make these binos pleasant to carry and glass for hours without neck fatigue.

If you hunt, scout, glass for turkeys or elk, or just spend time looking at distant country, the KONUSREX 8x42mm is a no-nonsense choice that delivers optical performance and reliability in a versatile, portable package.

Key Features

• Silver Mirror Coating with 96% light transmission for bright, high-contrast images
• Fully multi-coated optics with Phase Correction for edge-to-edge clarity
• BAK-4 prisms for superior light transmission and resolution
• Nitrogen-filled and waterproof—reliable in rain and temperature swings
• Long eye relief for comfortable viewing and firearm use
• Large eyepieces reduce vignetting and ease eye placement
• Lightweight with rubber armor for all-day carry and glassing
• Open hinge design for field durability

Specifications

Frequently Asked Questions

Are these binoculars waterproof and suitable for hunting in wet conditions?

Yes. The KONUSREX is nitrogen-filled and waterproof, so it will perform reliably in rain and handle temperature changes without internal fogging. The rubber armor adds durability and grip in the field.

Can I use these binoculars while shooting, or do they have long eye relief?

Yes, the KONUSREX features long eye relief, so you can maintain a comfortable distance from the eyepieces and keep your sight picture clear if you're glassing and shooting in the same session.

What makes the optics so bright compared to other mid-range binoculars?

The combination of Silver Mirror Coating (achieving 96% light transmission), fully multi-coated lenses, Phase Correction, and BAK-4 prisms minimizes internal reflections and maximizes the light that reaches your eye. This formula is what elevates the KONUSREX above basic glass at its magnification and objective size.

Is the 8x42 format good for hunting, or should I choose a different size?

The 8x42 is a versatile, handheld all-purpose format popular with hunters. The 8x magnification is steady to glass without rest, the 42mm objective provides good light gathering for dawn and dusk, and the wide field of view helps you locate and track game. For specific hunting applications (spotting scopes, extreme range glassing) you might want larger format, but the 8x42 is a solid, mobile choice for mixed terrain and varied conditions.