8.5x42 / 10x42 Flat-Field ED Binoculars
8.5x42 / 10x42 Flat-Field ED Binoculars
Bring distant detail closer with an 8.5x42 binocular that feels steady, bright, and satisfying in regular use.
ED glass, BAK4 prisms, and SMC coatings and a confidence-inspiring build make it a strong pick for birding, wildlife viewing, and long observation sessions.
Technical Specifications
| Category | Binoculars |
|---|---|
| Available Magnifications | 8.5x42 and 10x42 |
| Objective Lens Diameter | 42 mm |
| Eyepiece Diameter | 25 mm on 8.5x42 and 22 mm on 10x42 |
| Prism Type | Schmidt-Pechan roof prism with BAK4 prism material |
| Optical Design | Flat-field ED optical system |
| Lens Coating | SMC multi-layer broadband coating |
| Prism Coatings | Phase coating and high-reflection dielectric coating |
| Waterproof Rating | IPX7 waterproof body |
| Body Material | Magnesium alloy body with textured grip panels |
| Focus System | Center focus |
| Eyecups | Twist-up eyecups |
| Diopter Adjustment | +/- 3 dpt |
| Interpupillary Distance | 57 to 74 mm |
| Tripod Interface | 1/4-20UNC, adapter required separately |
| Product Size | Approx. 162 x 130 x 60 mm |
| Weight | Approx. 954 g for 8.5x42 and 948 g for 10x42 |
| Transmission | 93 percent |
| Included Accessories | Box, binocular, soft carry case, objective covers, cleaning cloth, manual, neck strap, and eyepiece cover |
| Phone Capture Support | Phone shooting supported in the, but the phone adapter is sold separately |
| Best For | birding, wildlife viewing, long observation sessions, landscape scanning, and users who care about edge sharpness as much as center sharpness |
Shipping & Returns
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| Category | Binoculars |
|---|---|
| Available Magnifications | 8.5x42 and 10x42 |
| Objective Lens Diameter | 42 mm |
| Eyepiece Diameter | 25 mm on 8.5x42 and 22 mm on 10x42 |
| Prism Type | Schmidt-Pechan roof prism with BAK4 prism material |
| Optical Design | Flat-field ED optical system |
| Lens Coating | SMC multi-layer broadband coating |
| Prism Coatings | Phase coating and high-reflection dielectric coating |
| Waterproof Rating | IPX7 waterproof body |
| Body Material | Magnesium alloy body with textured grip panels |
| Focus System | Center focus |
| Eyecups | Twist-up eyecups |
| Diopter Adjustment | +/- 3 dpt |
| Interpupillary Distance | 57 to 74 mm |
| Tripod Interface | 1/4-20UNC, adapter required separately |
| Product Size | Approx. 162 x 130 x 60 mm |
| Weight | Approx. 954 g for 8.5x42 and 948 g for 10x42 |
| Transmission | 93 percent |
| Included Accessories | Box, binocular, soft carry case, objective covers, cleaning cloth, manual, neck strap, and eyepiece cover |
| Phone Capture Support | Phone shooting supported in the, but the phone adapter is sold separately |
| Best For | birding, wildlife viewing, long observation sessions, landscape scanning, and users who care about edge sharpness as much as center sharpness |
Bring distant detail closer with an 8.5x42 binocular that feels steady, bright, and satisfying in regular use.
ED glass, BAK4 prisms, and SMC coatings and a confidence-inspiring build make it a strong pick for birding, wildlife viewing, and long observation sessions.
- 8.5x42 delivers a confident balance of reach, brightness, and everyday usability.
- ED glass, BAK4 prisms, and SMC coatings help keep the view clearer, brighter, and more natural.
- Weather-ready construction adds confidence for outdoor carry and changing conditions.
- Phone-friendly use makes it easier to capture the view and share standout moments.
Choose the version that matches how you like to watch
Different variants give you room to match the optic to your routine instead of settling for a one-size-fits-all setup. Whether you want a wider, easier view or a little more reach, the lineup makes it easier to pick the version that feels right in your hands and in the field.
Clear optics make every scene look brighter and more natural
ED glass, BAK4 prisms, and SMC coatings work together to keep the image cleaner, with better contrast and a more natural sense of detail. That means you can enjoy a view that feels sharper and more premium from the first glance, whether you are watching wildlife, landmarks, or open landscapes.
Bring distant subjects closer with a fuller, more satisfying view
The 8.5x42 format is built for moments when you want more detail without losing the simple pleasure of looking through the optic. It helps distant birds, shoreline landmarks, mountain ridges, or stage scenes feel more immediate and more engaging.
Comfortable handling helps you settle the view faster
Details such as center focus and twist-up eyecups make it easier to get comfortable, dial in focus, and stay with the scene longer. That everyday ease matters because the best optic is the one that feels natural enough to use often.
Everything you need is in the box to get started quickly
With box, binocular, soft carry case, objective covers, and cleaning cloth included, the package feels complete from the moment it arrives. That means less hesitation, less extra shopping, and a smoother start whether you are buying for yourself or giving it as a thoughtful gift.
Why It Performs in the Field
Expect a brighter, calmer view with the kind of coatings and optical design that make detail easier to catch when the light changes or the distance stretches out.
The shape, balance, and weather-ready build are chosen to feel comfortable in real use, so longer walks, travel days, hides, and shoreline sessions stay enjoyable.
