10×50 12×50 Professional-grade Roof Binoculars YIKR1250-3ED
These Roof Binoculars, available in 10×50 and 12×50, are designed for expert users in wildlife tracking, birdwatching, search & rescue, and outdoor tactical scenarios. Featuring a magnesium alloy body, spherical lens system, phase-corrected BaK4 prisms, and super fully multi-coated optics, they deliver precise, high-contrast imaging under all conditions: rain, fog, or extreme sunlight.
OVERVIEW
Key Advantages and Features
- Available in 10x and 12x magnification with large 50 mm objective lenses for superior light intake
- Premium magnesium alloy chassis: lightweight, durable, and professional-grade
- All-glass spherical lens system:Â Objective: 4E3G, Eyepiece: 5E4G
- BaK4 roof prism system with multi-coating + phase coating + dielectric coating
- Super fully multi-coated lenses (400–700 nm, R < 0.3%) for max light transmission
- Prism coatings (420–680 nm, R < 0.5%) deliver sharp, high-contrast color fidelity
- Generous eye relief: 18.5 mm (10x), 16 mm (12x)—eyeglass friendly
- Exit pupil: 5 mm (10x), 4.2 mm (12x)—great for dusk, forest, or marine use
- Close focus distance: 2 m—ideal for detailed plant or butterfly observation
- Right-eye diopter adjustment (-4 to +4 D) and fine-tuned center focus wheel
- Twist-up eyecups, waterproof/fogproof (nitrogen filled), and tripod adaptable
- Dimensions: 172 × 62 × 141 mm | Weight optimized for stable hand or tripod use
- Includes custom strap, 1200D Oxford cloth soft case, integrated eye & lens caps, cleaning cloth, and manual
Application Scenarios
Ideal for professional ornithologists, military and law enforcement surveillance, and extreme-weather expedition teams, the 10×50 version offers a wide 6.7° field of view (117 m @ 1000 m / 351 ft @ 1000 yds) for fast-moving subjects in open terrain. The 12×50 model, with its tighter 5.4° FOV, is ideal for long-distance observation in mountainous or coastal environments where visual clarity and magnification are critical.
Customizable for Your Brand
Logo and firmware customization available
OEM/ODM support with low MOQ
Custom language interface and startup screens
Customizable Features
Supports OEM logo engraving, housing color finishes, custom strap branding, and private-label packaging. Low MOQ available for premium optics distributors, government procurement, or branded outdoor gear programs.
Parameters
| Product Code | YIKR1050-3ED | YIKR1250-3ED | |
| Magnification | 10× | 12× | |
| Body material | Magnesium alloy | Magnesium alloy | |
| Armor material | NBR+PVC | NBR+PVC | |
| Objective lens | 50 | 50 | |
| Ocular lens | 26 | 24 | |
| Exit pupil | 5mm | 4.2mm | |
| Exit pupil distance (mm) | 18.5mm | 16mm | |
| Field of view (°) | 6.7° | 5.4° | |
| Field of view (at 1000M) | 117m | 95m | |
| Field of view (at 1000yds) | 351ft | 285ft | |
| Near focus | 2M | 2M | |
| Diopter system | Right diopter ring | Right diopter ring | |
| Interpupillary distance | 56～74mm | ||
| Focus System | Center Focus | Center Focus | |
| Focusing lens | Center Focus | Center Focus | |
| Diopter compensation | -4 To +4 Diopter | -4 To +4 Diopter | |
| Focusing Adjustment | -4 To +8 Diopter | -4 To +8 Diopter | |
| Prism System | roof prism | roof prism | |
| Prism Glass Material | BaK4 | BaK4 | |
| Optical Configuration | Objective lens | 4E3G | 4E3G |
| Ocular lens | 5E4G | 5E4G | |
| Lens Type | Spherical Lens | Spherical Lens | |
| Optical Material | All optical glass | All optical glass | |
| Lens coating | Coating Condition | Super Fully Multi Coating | Super Fully Multi Coating |
| Coating Spec. | 400-700nm,R＜0.3%(AVG) | 400-700nm,R＜0.3%(AVG) | |
| prism coating | Coating Condition | Multi Coating +Phase Coating+Dieletric coating | Multi Coating +Phase Coating+Dieletric coating |
| Coating Spec. | 420-680nm,R＜0.5%(AVG) | 420-680nm,R＜0.5%(AVG) | |
| Water/Fogproof | YES | YES | |
| Gas Filled | Nitrogen | Nitrogen | |
| Eye cup | Type | Twist up | Twist up |
| Material | NBR | NBR | |
| eye caps | Type | Integrated body | Integrated body |
| Material | NBR+PVC | NBR+PVC | |
| obj. Cover | Type | Single-piece | Single-piece |
| Material | NBR+PVC | NBR+PVC | |
| Adapt to tripod | YES | YES | |
| strap | YES | YES | |
| soft case | Type | Custom-built | Custom-built |
| Material | 1200D Oxford cloth bag | 1200D Oxford cloth bag | |
| strap | Type | Custom-built | Custom-built |
| Material | 40mm宽织带 | 40mm宽织带 | |
| cleaning cloth | YES | YES | |
| instruction manual | YES | YES | |
| packaging | YES | YES | |
| Size(Length×Width×Height) | 172×62×141mm | 172×62×141mm | |
Let’s Work Together
Ready to supply high-performance Roof Binoculars for professional outdoor, wildlife, or tactical markets?
Contact us today for OEM customization, sample kits, and B2B pricing.
