Full-Size
~$499
Kowa
Kowa BD III XD 8x42
The Kowa BD III XD 8x42 succeeds the discontinued BD II XD 8x42, pairing fluorite-rich XD glass with a magnesium-alloy roof-prism body at 21.3 oz. It holds a 429 ft @ 1000 yds field of view and is backed by Kowa's Limited Lifetime warranty.
Approx. price
$499
Optic
8x×42
FOV @ 1000 yds
429 ft
Use Case
Birding
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Specifications
What do these mean? →5.25mm
429 ft @ 1000 yds
17.2mm
5.9 ft
Roof
Fully Multi-Coated
5.3 x 5.0 in
21.3 oz
Limited Lifetime
Field of view, to scale
Why FOV matters →you2505007501000 yds
Distance200 yds
Kowa BD III XD 8x428.2°
86 ft wide at 200 yds ≈ 2.1 school buses
typical 8×42 — 79 ft at 200 yds
Top-down view · drawn to true scale — no exaggeration
Wondering about the format itself? 8x42 vs 10x42 · 8x42 vs 10x50
Key Features
ED Glass
Phase-Corrected
Dielectric Coating
Fully Multi-Coated
Waterproof
Fogproof
Locking Diopter
Image Stabilized
Tripod Adaptable
Magnesium Body
Compare the Kowa BD III XD 8x42
Related binoculars
~$499
Full-SizeKowa
Kowa BD II XD 10x42
- Optic
- 10x×42
- FOV
- 378 ft
- Weight
- 22.8 oz
ED GlassPhase-CorrectedDielectric Coating
~$499
Full-SizeKowa
Kowa BD III XD 10x42
- Optic
- 10x×42
- FOV
- 378 ft
- Weight
- 21.5 oz
ED GlassMagnesium Body
~$469
Full-SizeDiscontinuedKowa
Kowa BD II XD 8x42
- Optic
- 8x×42
- FOV
- 429 ft
- Weight
- 22.6 oz
ED GlassPhase-CorrectedDielectric Coating
~$379
Mid-SizeKowa
Kowa BD II XD 6.5x32
- Optic
- 6.5x×32
- FOV
- 525 ft
- Weight
- 18.9 oz
ED GlassPhase-CorrectedDielectric Coating
~$149
Mid-SizeDiscontinued
~$1,150
Mid-SizeKowa
Kowa Genesis 33 8x33
- Optic
- 8x×33
- FOV
- 420 ft
- Weight
- 20.8 oz
ED GlassPhase-CorrectedDielectric Coating