Porro Prism Binoculars | 8-16×50 Zoom Magnification, K9 Prism, Large Objective Outdoor Observation Binoculars MIZP816501
The MIZP816501 / MIZP105013 Binoculars are positioned for B2B buyers looking for versatile optical solutions covering both high-magnification observation and traditional outdoor viewing applications.
The series includes two different configurations:
MIZP816501 (8-16X50 Zoom Binoculars)
Designed for users who need flexible magnification adjustment, allowing wider viewing at 8X and more detailed observation at 16X.
MIZP105013 (10X50 Porro Prism Binoculars)
Designed for stable long-distance observation with a bright 50mm optical system and classic Porro prism structure.
OVERVIEW
Key Advantages and Features
MIZP816501 8-16X50 Zoom Binoculars
Variable magnification: 8X-16X
50mm objective lens
Aluminum alloy body with rubber armor
Porro prism optical system
K9 prism material
Resolution:
- 8X ≤ 6.2″
- 16X ≤ 6.7″
Exit pupil:
- 8X: 6.25mm
- 16X: 2.06mm
Eye relief:
- 8X: 19.5mm
- 16X: 15.4mm
Field of view:
- 8X: 4.16°
- 16X: 2.11°
Center focus system
Right diopter adjustment: -5 to +5 diopter
MIZP105013 10X50 Porro Prism Binoculars
10X magnification
50mm objective lens
Aluminum alloy body with rubber armor
BaK-4 prism system
Resolution: Better than 5″
Exit pupil: 5mm
Eye relief: ≥18.3mm
Field of view: 6.5°
125m @1000m
375ft @1000yds
Relative brightness: 25
Twilight factor: 22.36
Center focus system
Right diopter adjustment: -4 to +4 diopter
Additional Advantages
- Classic Porro prism optical design for comfortable viewing
- Large 50mm objective lens for enhanced brightness
- Aluminum alloy housing for improved durability
- Rubber armored body for better grip and outdoor protection
- Center focusing system for easy operation
- Suitable for tripod mounting solutions
- Multiple optical configurations available for different market segments
Application Scenarios
Hunting and Long-Distance Wildlife Observation
The 50mm objective lens provides strong light gathering capability, while the high magnification options help users observe distant animals and outdoor targets in open environments.
The 8-16X variable magnification model allows users to switch between wider scanning and detailed observation depending on distance.
Outdoor Exploration and Mountain Observation
The aluminum alloy body and rubber armor provide durability for outdoor activities, while the Porro prism optical structure offers a stable viewing experience.
The variable magnification design makes the MIZP816501 suitable for users who need flexibility during hiking, scouting, and landscape observation.
Bird Watching and Nature Observation
The 50mm objective lens, large exit pupil at lower magnification, and detailed optical design provide comfortable viewing for nature enthusiasts.
The 10X50 model offers a balanced solution for bird watchers who need additional detail while maintaining a practical field of view.
Professional Observation and Scenic Viewing
The high magnification capability and large objective lens make these binoculars suitable for landscape viewing, outdoor monitoring, and long-distance observation applications.
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
- Magnification Configuration Supports different market positioning from standard to zoom binoculars
- Body Color / Rubber Armor Design Supports outdoor and hunting brand differentiation
- Optical Configuration K9/BaK-4 prism options for different product levels
- Packaging Design Customized retail box, carrying case, or brand packaging
- Accessories Strap, lens covers, cleaning cloth, manual
- OEM/ODM Support Suitable for customized binocular product development
Suitable for:
- Hunting optics brands
- Wildlife observation equipment suppliers
- Outdoor adventure retailers
- Bird watching product distributors
- Long-distance observation markets
- Private label binocular programs
Parameters
| Product Specifications | MIZP816501 | MIZP105013 |
| Product Type | 8-16×50 | 10×50 |
| Magnification | 8X-16X ±5% | 10 ± 5% |
| Body Material | Aluminum Alloy | Aluminum Alloy |
| Armor Material | Rubber | Rubber |
| Color | Black | Black |
| Resolution | 8X ≤ 6.2″ / 16X ≤ 6.7″ | Better than 5″ |
| Objective Lens Diameter (Ø) | Ø50 ± 1mm | Ø50 ± 1mm |
| Ocular Lens Diameter (Ø) | Ø16 ± 1mm | Ø24.5 ± 1mm |
| Exit Pupil (Ø) | 8X: 6.25mm / 16X: 2.06mm | Ø5.0mm ± 10% |
| Exit Pupil Distance (mm) | 8X: 19.5mm / 16X: 15.4mm | ≥18.3mm |
| Twilight Factor (acc. to DIN 58388) | 8X: 20 / 16X: 34.6 | 22.36 |
| Relative Brightness | 8X: 39.06 / 16X: 4.33 | 25 |
| Field of View (°) | 8X: 4.16° ±5% / 16X: 2.11° ±5% | 6.5° ± 5% |
| Field of View (at 1000M) | 8X: 74.5 / 16X: 38 | 125m |
| Field of View (at 1000yds) | 8X: 224 / 16X: 114 | 375ft |
| Near Focus | 8m | 6.5m |
| Diopter System | Right Diopter Ring | Right Diopter Ring |
| Interpupillary Distance | 56 – 74mm | 56 – 74mm |
| Focus System | Center Focus | Center Focus |
| Focusing Lens | Obj. | Obj. |
| Diopter Compensation | -5 To +5 Diopter | -4 To +4 Diopter |
| Focusing Adjustment | -4 To +6 Diopter | -4 To +8 Diopter |
| Prism System | Porro Prism | Porro Prism |
| Prism Glass Material | K9 | BAK4 |
| Objective Lens Construction | 2E1G (2 Pcs / 1 Group) | N/A |
| Ocular Lens Construction | 8E3G (8 Pcs / 3 Groups) | N/A |
| Lens Type | Spherical Lens | N/A |
| Optical Material | All Optical Glass | N/A |
| Water / Fog Proof | No | N/A |
Let’s Work Together
For B2B buyers, customization options include logo branding, optical configuration, body design, packaging, accessories, and OEM/ODM development.
Contact us to discuss your customized Binoculars solution for hunting, outdoor adventure, wildlife observation, or professional observation markets.













