2. The prism is A-level high-reflection, phase multi-layer antireflection films for maximum light transmission and reduced glare.
3. Phase-corrected bak4 Roof Prisms produce high resolution images from close up to far away.
4. O-ring seals and nitrogen purging to prevent water, moisture, dust from entering the optics.
4. O-ring seals and nitrogen purging to prevent water, moisture, dust from entering the optics.
5. Lightweight and compact.
6. Durable PPS / magnesium alloy material armored for protection and a non-slip grip.
7. Smooth center focus wheel, easy focusing + Adjustable comfortable Eyepiece.












