- Extra-Low-Dispersion Apochromatic Lenses
- Anti-Reflection Fully Multicoated Optics
- Compact BAK4 Roof Prisms
- Phase Correcting & Dielectric Coatings
- Ultra-Wide 71° Apparent Angle of View
- Short Closed-Bridge Configuration
- Armored Lightweight Magnesium Chassis
- Nitrogen Filled/Waterproof & Fogproof
- Center Fast-Focusing Wheel
- Twist-Up Click-Stop Eyecups