TEL: 604-998-7071     Hello Guest, Login / My Account

Kowa BD42-8XD Full Size 8x42 PROMINAR XD Lens - Top Seller
Kowa BD42-10XD Full Size 8x42 PROMINAR XD Lens

Kowa BD42-8XD Full Size 8x42 PROMINAR XD Lens - Top Seller

. Free Expedited Shipping for Most In-stock Products (Nationally)
. Checkout Options for Ordering Online & Pickup in Warehouse
. Satisfaction Guarantee: 30 Days no Hassle Return (Condition Apply)
. Multiple Payment Options (Credit Card, Paypal, EMT, Financing)

Your Price: CAD $699.00
Usually ships in 3-5 business days
Part Number:BD42-8XD

Product Highlights

  • Schmidt-Pechan Roof Prism Design
  • XD Extra-Low Dispersion (ED) Glass
  • C3-Coated Phase-Corrected Prisms
  • Fully Mult-Ccoated Optics
  • Wide 60° Apparent Angle of View
  • Lightweight Magnesium Chassis
  • Textured Center Focus Wheel
  • Nitrogen-Filled, Water and Fogproof
  • Tripod Mountable with Optional Adapter
  • Twist-Up Rubber Eyecups


The 8x42 BD42-8XD PROMINAR Binocular from Kowa combines precision glass and prisms, with optical and prism coatings to produce a binocular that performs well in all light conditions with true color representation. Extra-low dispersion XD glass elements reduce chromatic aberration and image distortion at the edges of the field of view. The lenses are fully multi-coated to maximize the amount of light coming into the optical tubes. The roof prisms are phase-corrected to increase the resolution and contrast, while the C3 coatings reflect more that 99% of the light moving through them. This combination of glass, prisms, and coatings produce high-contrast images that are bright and crisp, with true-color transmission.

The magnesium-alloy housing is light and durable, and the rubber armoring on the exterior provides a sure grip and protection from impacts. The optical tubes are nitrogen-filled and o-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature changes or environmental conditions. Its center focus wheel is textured for easy handling in cold and wet conditions, even while wearing gloves.

Optical Performance
  • 8x magnification
  • 42mm objective lenses
  • Phase-corrected Schmidt-Pechan roof prism design
  • Highly-reflective C3 prism coatings for bright images with true color representation
  • Kowa's XD extra-low dispersion (ED) glass reduces chromatic aberration
  • Fully multicoated optics
  • Wide 60° apparent angle of view
  • 393-foot field of view at 1000 yards
Use and Handling
  • Textured center focus wheel for easy focusing in cold and wet conditions, or with gloves
  • Kowa's KR coatings protect external lens surfaces from dirt, oils, residue, and make the lenses easy to clean
  • Twist-up eyecups for custom eye relief with or without eye-wear
  • Right-eye dioptric adjustment for fine focusing capabilities
  • 19 eye relief
  • 5.3 mm exit pupil
Construction Details
  • Lightweight and durable magnesium alloy housing
  • Thixomolded injection-mold manufacture produces a reliable and durable housing
  • Nitrogen-filled and o-ring sealed for water and fogproof performance
  • Weight: 23-ounces

Prism Type Roof
Magnification 8x
Objective Lens Diameter 42mm
Angle of View 7.5° (actual)
Field-of-View 394.6' @ 1000 yd / 131.0 m @ 1000 m
Minimum Focus Distance 5.0' / 1.52 m
Exit Pupil Diameter 5.3 mm
Eye Relief 19.0 mm
Interpupillary Adjustment 57.0 - 75.0 mm / 2.2 - 3.0"
Dioptric Correction Not specified by manufacturer
Focus Type Center
Tripod Mount Yes (Adapter Optional)
Dimensions 5.20 x 4.96 x 2.01" / 13.2 x 12.6 x 5.1 cm
Weight 23.3 oz / 660.56 g

Packaging Info
Package Weight 2.05 lb
Box Dimensions (LxWxH) 8.6 x 6.2 x 3.0"


In the Box
Kowa 8x42 BD42-8XD PROMINAR Binocular
  • Soft Carry Case
  • Padded Neck Strap
  • Eyepiece Cover
  • 2 x Objective Lens Covers
  • Limited Lifetime Warranty

  • Reviews

    on February 8, 2017

    Reviews for these binos are rather limited. I purchased them based on my experience with my BD56-10XD binoculars.

    The first time I looked through these binoculars, I was amazed!

    I am a bit of an optics junkie. I really enjoy high end rifle scopes, binoculars, and spotting scopes. I will say hands down that you will not find a better pair of binoculars for the money than the Kowa BD XD series.

    The image quality and sharpness of the 10X42 are on par with binoculars costing 2-3 times more easily. Edge to edge sharpness are very good. Images are bright and colors look natural.

    Build quality is top notch. These feature a magnesium housing with rubber armor, and feel sturdy and substantial. The 10X42 are also smaller than most 10X42 binos, and fit the hand very well.

    If you are in the market for a new pair of binoculars, do yourself a favor and purchase either the BD42-8XD or BD42-10XD binoculars. I have yet to look through a pair of binoculars in this price range that come close to the Kowa BD XD Prominar series, and they compare very well to binoculars costing much more.

    Equipment Review: Kowa BD XD 8x42 Prominar Binoculars
    The new range of 'BD XD' binoculars are a leap into the extreme-performance end of the market for Kowa, with all XD's now up to the highest 'Prominar' specification alongside their top series scopes.


    Recently Viewed Items