Kowa BDII42-8XD Binoculars
- Ultra-Wide Field of View: Enjoy a class-leading 8.2° (143m @ 1000m) field for an expansive and immersive observation experience.
- Kowa XD Lenses: High-grade ED glass ensures excellent resolution, colour accuracy, and minimal chromatic aberration.
- Close Focus Capability: Focus as close as 1.8 metres for crisp viewing of nearby subjects and intricate details.
- Rugged Magnesium Alloy Body: Lightweight yet highly durable construction for dependable outdoor performance.
- Waterproof and Fogproof: Nitrogen-filled design prevents fogging and protects the optics in all weather conditions.
- Comfortable Viewing: Generous 17mm eye relief and ergonomic design ensure relaxed use, even during extended sessions.

The Kowa BDII42-8XD Binoculars offer exceptional wide-angle optical performance and rugged reliability in a compact, lightweight magnesium alloy body. Designed with Kowa XD (extra-low dispersion) lenses, these 8x42 binoculars deliver stunningly sharp, high-contrast images with vibrant colour fidelity and minimal distortion. The class-leading 8.2° real field of view (143m @ 1000m) provides an expansive, immersive viewing experience, making it easy to locate and track subjects in motion. With a close focus of just 1.8 metres, these binoculars are equally capable for close-range observation. Fully waterproof and nitrogen-filled, the BDII42-8XD combines optical excellence with robust all-weather durability, perfect for birdwatching, wildlife observation, and outdoor exploration.
- Magnification 8x
- Objective Lens Diameter 42mm
- Real Field of View 8.2°
- Apparent Field of View 65.6°
- Field of View at 1000m 143m
- Minimum Focusing Distance 1.8m
- Eye Relief 17.0mm
- Twilight Factor 18.3
- Body Material Magnesium alloy
- Dimensions (L x W x H) 139 x 128 x 52.5mm
- Weight 640g
- Exceptional Wide-Angle Optics: The BDII42-8XD delivers a class-leading 8.2° real field of view, providing an unparalleled panoramic perspective and effortless subject tracking.
- Advanced XD (Extra-low Dispersion) Glass: Minimises chromatic aberration for crystal-clear images with exceptional colour accuracy and contrast.
- Close Focus Precision: With a minimum focusing distance of just 1.8 metres, you can enjoy detailed observation of plants, insects, or nearby wildlife.
- Fully Multicoated Lenses: Advanced coatings enhance light transmission, resulting in bright, clear, and true-to-life visuals even in low-light conditions.
- Lightweight and Durable Build: Constructed from magnesium alloy for optimal balance between strength and portability.
- Weatherproof Protection: Waterproof and nitrogen-filled, ensuring reliable performance in rain, humidity, and temperature changes.
- Ergonomic Comfort: A well-balanced, compact design with a comfortable grip makes extended use effortless and stable.
- Long Eye Relief and Twist-Up Eyecups: Designed for comfort, especially for spectacle wearers, maintaining a full field of view.
- Affordable Premium Quality: Offers the optical excellence of higher-end binoculars at an accessible price point.
- Kowa BDII42-8XD Binoculars
- Rainguard
- Objective Lens Caps
- Shoulder Strap
- Carry Case
- Instruction Manual
- Kowa 10 Year Warranty
Please Note: Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
Please Note: DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY - READ MORE: HERE
COURIERS
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We use DPD , RoyalMail, TNT and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number.
IN-STORE ITEMS
These are items that we have in-stock and will be sent out for delivery as soon as possible. We aim to dispatch all orders within 1-2 working days, but during busy periods dispatch may be delayed by a day or so. If you would like to purchase the item in person then please call ahead to arrange an appointment: 01803 611 895.
PRE-ORDER ITEMS
These are usually items that are going to be out-of-stock for a number of weeks or are in short supply. By purchasing a Pre-Order Item you are in effect paying a deposit for your goods. As soon as the item is back in stock yours will be dispatched within 24 hours where possible. Please see individual product pages for current back-in-stock dates. In rare occasions, these dates can be changed by the manufacturers so we recommend staying in contact with Optics Warehouse depending on the product lead time.
INTERNATIONAL DELIVERY & TAXES
In addition to the above information If your delivery address is outside of the UK you may be subject to import duties and taxes, which are levied once a shipment reaches your country. Any such additional charges for customs clearance must be borne by you. You should note that customs policies vary widely from country to country. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.
NEED HELP?
If you require any further assistance, please call us on 01803 611 895 or email sales@opticswarehouse.co.uk
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A NOTE ABOUT DPD SHIPMENTS:
- Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
- If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
- The pincode is sent VIA email & TEXT message. A valid email address and mobile number must be provided at checkout. Emails will be sent from "Riviera House 3PL" - if you do not receive this email please check your junk or spam folders.
- Please note that if you do not display your pin code to the courier driver upon delivery, you will not be able to have your item and you may need to schedule another delivery date to show a valid pin.
- Please view the attached slides HERE for further information!