Multi-Coated OpticsMulti-Coated optics for superior light transmission and brightness.
Waterproof/FogproofProducts are O-ring sealed and nitrogen purged for total waterproof and fogproof protection. These models can withstand complete immersion in water and stay dry inside. The interior optical surfaces won’t fog due to rapid temperature change or humidity.
ZoomVariable power, or zoom, enables the user to zoom in on an object or zoom out to a wider view through the use of a dial, lever, or setting.