COMPACT AND LIGHTWEIGHT: Monobloc construction makes the ZEISS Dialyt 18-45x65 ideal for stalking and alpine hunting. Fans of the outdoors, hikers, birders, and amateur astronomers will all enjoy the compact design. COMFORTABLE OPERATION: The ZEISS Dialyt spotting scope is always ready. The compact spotting scope with alignment sight helps you spot at lightning speed. The non-slip, shock-absorbing rubber case makes it silently and quick, even with gloves on. NO CONDENSATION: A sealed alloy housing filled with nitrogen prevents condensation from forming inside the Dialyt 18-45x65. As a result it is unaffected by wet and cold weather. Even sudden changes in air pressure will not affect the internal optics. RELIABLE AND ROBUST: On long trips in impenetrable terrain, the compact format and lightweight nature of this spotting scope is will impress you. Its Monobloc construction makes the Dialyt field spotter handy and utterly reliable whatever the weather.