Timberline Optics
Bossdun Black Panther 12x42 Binoculars
Bossdun Black Panther 12x42 Binoculars
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See farther, clearer, and with confidence. The Bossdun black panther pairs 12× reach with 42 mm objectives to reveal fine detail at long distances—ideal for birding, wildlife, travel, and stadium events. All‑optical glass lenses and BaK4 roof prisms work with FMC multi‑layer green broadband coatings to deliver bright, high‑contrast views with natural color from center to edge. A 101 m field of view at 1000 m (≈5.6°) helps you follow fast action, while large 18 mm eyepieces and a generous 17.1 mm eye relief keep viewing comfortable with or without glasses. The nitrogen‑filled, waterproof chassis and ergonomic body are built for real‑world use, and a tripod socket stands ready when you want rock‑steady views. Use the included phone adapter to align your smartphone and share the moment instantly.
Highlights
- 12× magnification with 42 mm objectives for long‑range detail and daytime‑to‑twilight versatility
- All‑glass optical system: 6 elements in 4 groups with FMC multi‑layer coatings
- BaK4 roof prisms (16.95 mm) for bright, sharp images across the field
- Wide view: 101 m/1000 m (≈5.6° angular FOV) to track moving subjects with ease
- Comfortable viewing: 18 mm eyepieces and 17.1 mm eye relief suit eyeglass wearers
- Day/twilight performance: 3.5 mm exit pupil; twilight factor ≈22.4; relative brightness ≈12.25
- Rugged, field‑ready build: nitrogen‑filled and waterproof with an ergonomic, secure grip
- Precision controls: all‑metal central focus wheel and metal right‑eye diopter ring
- Tripod‑ready with integrated socket; durable strap points for carry
- Colors: Black • Size/Weight: 145 × 125 × 53 mm; 626 g
What’s in the Box
- Bossdun Black Panther 12×42 binoculars
- Carry pouch/soft case and color box
- Neck strap
- Objective lens caps and eyepiece caps
- Phone adapter/clip for easy digiscoping
- Cleaning cloth
- Instruction manual
Ready for your next outing: A durable 12× roof‑prism binocular that travels light, tracks action with a wide view, and delivers crisp, share‑worthy images.
Product Specifications
Specification | Details |
---|---|
Type | Roof‑prism binoculars |
Magnification | 12× |
Objective Lens Diameter | 42 mm |
Field of View | 101 m @ 1000 m (≈5.8°) |
Exit Pupil | 3.5 mm |
Eye Relief | 17.1 mm |
Eyepiece Diameter | 18 mm |
Prism Type | BaK‑4 roof prisms |
Optical Configuration | 6 elements in 4 groups; all‑optical glass lenses |
Lens Coatings | FMC multi‑layer green broadband coatings |
Focus System | Center focus; right‑eye diopter adjustment |
Control Hardware | All‑metal central focus wheel and metal diopter ring |
Eyecups | Twist‑up, multi‑stop |
Low‑Light Metrics | Relative brightness ≈12.25; twilight factor ≈22.4 |
Waterproofing / Fogproofing | Nitrogen‑filled, waterproof and fog‑resistant chassis |
Dimensions | 145 × 125 × 53 mm |
Weight | 626g |
Body | Ergonomic rubber‑armored exterior; strap attachment points |
Colors | Black |
Included Accessories | Carry pouch, neck strap, objective & eyepiece caps, phone adapter, cleaning cloth, instruction manual, color box |



