The SIG Sauer ZULU4 HD 10x42 binoculars deliver exceptional optical clarity and rugged construction for serious hunters and outdoor professionals. These premium binoculars feature advanced HD glass technology that provides superior light transmission and edge-to-edge sharpness in challenging field conditions.
What Makes This Different
The ZULU4 HD incorporates SIG's proprietary SpectraCoat anti-reflective lens coatings across all optical surfaces, delivering 91% light transmission compared to standard coatings that typically achieve 85-87%. The phase-corrected roof prism design ensures accurate color reproduction and eliminates the chromatic aberration common in budget optics. German Schott glass elements provide the optical foundation that separates these binoculars from entry-level alternatives.Key Features
- 10x magnification with 42mm objective lens diameter for optimal brightness
- SpectraCoat anti-reflective coatings on all lens surfaces
- Phase-corrected BAK-4 roof prisms for superior light transmission
- IPX7 waterproof rating with O-ring seals and nitrogen purging
- Magnesium alloy chassis reduces weight while maintaining durability
- Close focus distance of 6.5 feet for versatile observation
- Twist-up eyecups with multiple stop positions for eyeglass compatibility
Technical Specs
- Magnification: 10x with 42mm objective diameter
- Field of view: 330 feet at 1,000 yards (6.3 degrees)
- Eye relief: 18mm accommodates eyeglass wearers
- Weight: 25.4 ounces with balanced center of gravity
- Dimensions: 5.7" x 5.1" x 2.2" for compact carry
- Diopter adjustment: ±4 range on right eyepiece
- Interpupillary distance: 56-74mm adjustment range
- Limited lifetime warranty coverage
