Roof Prism Binoculars | 8×42 BAK-4 Phase Coated Prism, Magnesium Alloy Body, Super FMC Waterproof Outdoor Binoculars YIKR842-8
The YIKR Series Binoculars are positioned for B2B buyers seeking high-performance outdoor optics with premium optical components and rugged field durability.
Available in 8X42 and 10X42 configurations, this series provides an excellent balance between brightness, magnification, field of view, and portability. The 8X42 model offers a wider field of view for fast target searching, while the 10X42 model provides enhanced detail recognition for longer-distance observation.
OVERVIEW
Key Advantages and Features
Available models:
- YIKR842-8: 8X42
- YIKR1042-13: 10X42
Premium magnesium alloy body for lightweight durability
Rubber armored exterior for improved grip and protection
BaK-4 roof prism system
Advanced prism coating:
- Broadband multi coating
- Phase coating
- Dielectric coating
Lens coating:
- Super Fully Multi Coating
- Hydrophobic coating on exposed surfaces
High optical transmission:
- Lens coating: 420–680nm, R<0.3% AVG
- Prism coating: 420–680nm, R<0.5% AVG
Optical structure:
- Objective lens: 4 elements / 3 groups
- Eyepiece lens: 5 elements / 4 groups
Wide field of view:
- 8X42: 8.5° / 149m @1000m
- 10X42: 7.3° / 128m @1000m
Close focusing distance:
1.5m
Large diopter compensation:
- 8X42: -7 to +7
- 10X42: -11 to +11
Waterproof and fogproof design
Nitrogen-filled construction
Twist-up eyecups for comfortable viewing
Tripod adapter compatible
Compact dimensions:
140×53×154mm
Lightweight magnesium alloy construction:
- 8X42: 835g
- 10X42: 825g
Application Scenarios
Hunting and Wildlife Observation
The 8X42 and 10X42 configurations are designed for hunters and wildlife observers who need clear target identification in forests, mountains, and open terrain.
The BaK-4 roof prism, advanced dielectric coating, and high light transmission optical system provide improved image clarity in changing outdoor conditions.
Bird Watching and Nature Research
The 8.5° wide field of view on the 8X42 model makes it easier to locate and track moving birds, while the 10X42 version provides additional detail for distant species observation.
The Super Fully Multi Coating + hydrophobic coating helps maintain optical clarity in different weather conditions.
Outdoor Adventure and Mountain Scouting
The magnesium alloy body, rubber armor, waterproof construction, and nitrogen filling provide durability for hiking, trekking, camping, and outdoor exploration.
The included tripod adapter and carrying accessories make it suitable for extended field observation.
Professional Observation and Long-Distance Viewing
With large 42mm objective lenses, high-quality prism coatings, and detailed optical configurations, the YIKR series is suitable for landscape viewing, nature monitoring, and professional outdoor observation.
Customizable for Your Brand
Logo and firmware customization available
OEM/ODM support with low MOQ
Custom language interface and startup screens
Customizable Features
- Logo Branding Supports private label Binoculars programs
- Body Color / Armor Design Allows different hunting and outdoor brand positioning
- Optical Configuration Supports premium optical product differentiation
- Packaging Design Customized retail box, gift packaging, or brand packaging
- Accessories Case, strap, lens covers, cleaning cloth, tripod adapter
- Manual Language Multi-language manuals for global markets
- OEM/ODM Support Suitable for customized premium binocular projects
Parameters
| Product Code | YIKR842-8 | YIKR1042-13 |
| Magnification | 8X | 10X |
| Body Material | Magnesium Alloy | Magnesium Alloy |
| Armor Material | Rubber (PVC) | Rubber (PVC) |
| Color | N/A | N/A |
| Objective Lens Diameter | 42mm | 42mm |
| Ocular Lens Diameter | N/A | N/A |
| Exit Pupil Diameter | 5.2mm | 4.2mm |
| Exit Pupil Distance | 19mm | 20mm |
| Field of View (°) | 8.5° | 7.3° |
| Field of View (at 1000M) | 149m | 128m |
| Field of View (at 1000yds) | 447ft | 384ft |
| Near Focus | 1.5m | 1.5m |
| Diopter System | Right Diopter Ring | Right Diopter Ring |
| Interpupillary Distance | 56-76mm | 56-76mm |
| Focus System | Center Focus | Center Focus |
| Focusing Lens | Eyepiece | Eyepiece |
| Diopter Compensation | -7 To +7 Diopter | -11 To +11 Diopter |
| Focusing Adjustment | -8 To 1.5M | -8 To 1.5M |
| Prism System | Roof Prism | Roof Prism |
| Prism Glass Material | BaK4 | BaK4 |
| Objective Lens Configuration | 4E3G (4 Elements 3 Groups) | 4E3G (4 Elements 3 Groups) |
| Ocular Lens Configuration | 5E4G (5 Elements 4 Groups) | 5E4G (5 Elements 4 Groups) |
| Lens Type | Spherical Lens | Spherical Lens |
| Optical Material | All Optical Glass | All Optical Glass |
| Lens Coating Condition | Super Fully Multi Coating + Hydrophobic Coating (Exposed Surfaces) | Super Fully Multi Coating + Hydrophobic Coating (Exposed Surfaces) |
| Lens Coating Spec. | 420-680nm, R<0.3% (AVG) | 420-680nm, R<0.3% (AVG) |
| Prism Coating Condition | Broadband Multi Coating + Phase Coating + Dielectric Coating | Broadband Multi Coating + Phase Coating + Dielectric Coating |
| Prism Coating Spec. | 420-680nm, R<0.5% (AVG) | 420-680nm, R<0.5% (AVG) |
| Waterproof & Fogproof | Yes | Yes |
| Gas Filled | Nitrogen | Nitrogen |
| Eyecup Type | Twist-Up | Twist-Up |
| Eyecup Material | Rubber (NBR) | Rubber (NBR) |
| Eyecaps Type | Attached | Attached |
| Eyecaps Material | Rubber (NBR+PVC) | Rubber (NBR+PVC) |
| Objective Cover Type | Detachable | Detachable |
| Objective Cover Material | Rubber (NBR+PVC) | Rubber (NBR+PVC) |
| Tripod Adapter | Yes | Yes |
| Strap | Yes | Yes |
| Soft Case Type | Proprietary | Proprietary |
| Soft Case Material | 1200D Oxford Cloth | 1200D Oxford Cloth |
| Soft Case Strap Type | Proprietary | Proprietary |
| Soft Case Strap Material | 25mm Wide Webbing | 25mm Wide Webbing |
| Cleaning Cloth | Yes | Yes |
| Instruction Manual | Yes | Yes |
| Packaging | Yes | Yes |
| Dimensions (L×W×H) | 140 × 53 × 154 mm | 140 × 53 × 150 mm |
| Weight (Approx.) | 835g | 825g |
Let’s Work Together
For B2B buyers, customization options can include logo branding, body design, packaging, accessories, manual language, and OEM/ODM support.
Contact us to discuss your customized Binoculars solution for hunting, wildlife observation, outdoor adventure, or premium optical markets.
