Professional 56mm ED Binoculars for Low-Light Outdoor Observation
The APRESYS HD56 Series is engineered for users who demand exceptional brightness, long-range clarity and reliable outdoor performance across a wide range of observation environments.
Designed for birdwatching, wildlife observation, hunting, outdoor exploration, sports events and low-light viewing, the HD56 Series combines large 56mm objective lenses with premium ED optics to deliver bright, sharp and color-accurate images even in challenging lighting conditions.
Featuring advanced ED (Extra-Low Dispersion) glass, fully multi-coated FMC optics and high-transmission BaK4 roof prisms, the HD56 Series minimizes chromatic aberration while improving contrast, edge sharpness and overall optical transparency.
Whether scanning distant mountain terrain, tracking wildlife at dusk or observing stage performances under complex lighting, the HD56 Series delivers an immersive and comfortable viewing experience with excellent detail reproduction.
Choose Between 10x56 and 12x56 Viewing Performance
The HD56 Series is available in two magnification configurations designed for different observation preferences and outdoor scenarios.
HD5610 10x56 — Brighter, Wider and More Stable Handheld Viewing
The HD5610 10x56 is optimized for users who prioritize viewing comfort, wider field coverage and enhanced low-light brightness.
With a wide 6.3° field of view and large 5.6mm exit pupil, the 10x56 configuration provides:
- Brighter low-light image performance
- Wider landscape scanning capability
- Easier target acquisition
- More stable handheld observation
- Reduced viewing fatigue during extended use
Its balanced magnification and large objective lens make it highly suitable for:
- Birdwatching
- Wildlife observation
- Sports and concert viewing
- Hiking and travel
- Twilight and forest environments
The 10x56 configuration is especially ideal for users who prefer comfortable all-around outdoor viewing without relying heavily on tripod support.
HD5612 12x56 — Greater Magnification for Long-Range Detail
The HD5612 12x56 is designed for users who require stronger distant detail recognition and higher magnification performance.
With 12x magnification combined with ED optical correction, the HD5612 delivers:
- Greater distant subject detail
- Improved long-range observation capability
- Sharper mountain and wildlife texture visibility
- Enhanced detail recognition during outdoor scouting
- Better subject isolation at long distances
The 12x56 configuration is particularly suitable for:
- Long-range wildlife observation
- Mountain and open-terrain viewing
- Hunting and scouting
- Coastal observation
- Long-distance outdoor exploration
Despite its stronger magnification, the ED optical system maintains excellent color correction and edge clarity while minimizing visual softness and chromatic aberration.
ED Glass and FMC Optical System for True-to-Life Clarity
Both HD56 models feature premium ED low-dispersion glass combined with fully multi-coated FMC optics to maximize image quality across the entire field of view.
This advanced optical system helps deliver:
- Reduced chromatic aberration
- Sharper edge-to-edge clarity
- Higher contrast and resolution
- More natural color reproduction
- Improved low-light transparency
- Reduced glare and internal reflections
The high-transmission BaK4 roof prism system further enhances image brightness and visual consistency, producing a cleaner and more immersive outdoor viewing experience.
From bright daylight landscapes to dim forest environments, the HD56 Series maintains excellent image fidelity and optical balance.
Comfortable Long-Duration Viewing Experience
The HD56 Series is engineered for extended observation comfort in demanding outdoor environments.
Featuring large eyepieces, 18.2mm long eye relief and ergonomic red-ring eyecup design, the binoculars provide a relaxed viewing experience for both eyeglass and non-eyeglass users.
The optical structure is optimized to reduce visual fatigue during prolonged observation sessions by improving image consistency, reducing glare and maintaining stable brightness across both eyes.
This makes the HD56 Series highly suitable for:
- All-day birdwatching
- Hunting observation
- Sporting events
- Outdoor photography scouting
- Nature exploration
Rugged Magnesium Alloy Waterproof Construction
Built with a magnesium-aluminum alloy internal chassis and durable non-slip rubber armor, the HD56 Series combines structural strength with comfortable outdoor handling.
The rugged body construction provides:
- Improved impact resistance
- Secure anti-slip grip
- Comfortable handheld operation
- Enhanced outdoor durability
- Stable long-term field performance
Both models feature IPX7 waterproof and nitrogen-filled fogproof protection, allowing reliable operation in:
- Rain and wet environments
- Coastal conditions
- Mountain climates
- Humid forests
- Rapid temperature changes
The sealed optical structure prevents internal fogging and maintains dependable viewing clarity across demanding outdoor conditions.
HD56 Series Specifications
| Model |
HD5610 |
HD5612 |
| Magnification |
10x |
12x |
| Objective Lens Diameter |
56mm |
56mm |
| Field of View |
110m @ 1000m (6.3°) |
96m @ 1000m (5.5°) |
| Exit Pupil |
5.6mm |
4.7mm |
| Eye Relief |
18.2mm |
18.2mm |
| Prism System |
BaK4 Roof Prism |
BaK4 Roof Prism |
| Optical Coating |
ED + FMC |
ED + FMC |
| Close Focus |
3m |
3m |
| Waterproof Rating |
IPX7 Nitrogen Filled |
IPX7 Nitrogen Filled |
| Body Material |
Magnesium Alloy + Rubber Armor |
Magnesium Alloy + Rubber Armor |
| Weight |
Approx. 880g |
Approx. 900g |