- Extra-Low Dispersion (ED) Glass
- Phase-Corrected Roof Prisms
- Anti-Reflection Fully Multicoated Optics
- Ergonomic Open-Bridge Configuration
- Durable Magnesium-Alloy Housing
- Knurled Center Focus Wheel
- Nitrogen-Filled, Water and Fogproof
- Twist-Up Eyecups for Custom Eye-Relief
- Protective Rubberized Armor
- 3.9 ft Close Focus Distance