Kowa Binoculars BD 10x56 XD Prominar (44315)

Kowa’s BD binoculars are known for their powerful optics and ergonomic, durable design. The compact version, featuring a 25mm lens diameter, is one of the lightest pocket binoculars available, making it ideal for spontaneous nature observation. For those seeking enhanced performance, the larger XD Prominar binoculars with a 56mm lens diameter stand out due to their two XD lenses, which provide exceptionally bright and high-contrast images. These binoculars are versatile enough for astronomy, birdwatching, and nature observation while maintaining a lightweight and comfortable housing for extended use.

Specifications

Capacity:

• Magnification: 10x

• Front Lens Diameter: 56 mm

• Exit Pupil: 5.6 mm

Type of Build:

• Design: Roof prism

• Lens Coating: Phase coating, full multi-coating

• Glass Material: Fluoride glass

• Optics: XD Prominar lenses

Focusing System:

• Mechanism: Central focusing

Eye Relief and Adjustments:

• Eye Relief: 18 mm

• Interpupillary Distance: 57–72 mm

• Eyepiece Cups: Rotatable

• Diopter Adjustment Side: Right

Special Features:

• Zoom Function: Not available

• Protection Bag: Yes

• Eyepieces for Spectacle Wearers: Yes

• Watertight and Splash-Proof: Yes

• Threaded Tripod Connector: Yes

• Rangefinder and Compass: Not available

Field of View and Focus Limits:

• Field of View at 1,000 m: 103 m

• True Field of View: 5.9°

• Close Focus Limit: 3.0 m

Twilight Performance and Light Intensity:

• Twilight Factor: 23.7

• Light Intensity: 31.4

General Information:

• Series Name: BD

• Color Scheme: Dark green - black

• Surface Material: Rubber armoring

• Body Material: Magnesium

• Dimensions (Width x Length x Height): 148 mm x 168 mm x 70 mm

• Weight: 1150 g

Area of Application Ratings:

• Astronomy: Good

• Hunting (Raised Hide): Very good

• Travel and Sports: Not recommended

• Sailing: Moderate suitability

• Bird Watching: Good suitability

• Theatre Use: Not recommended