Nikon AL-NIKON-AS-2 Automatic Level, No Circle

This high-performance automatic level feature airtight, dry-nitrogen-filled optics. Waterproof and fog proof, these instruments provide high accuracy in humid tunnels, unforgiving terrain, and inclement weather. Key features for AS-2 automatic level include it being waterproof. The airtight, gas-filled (dry nitrogen gas) design of the telescope is perfect for wet or humid environments. Nikon's unique automatic compensator employs a wire-suspended pendulum and an air damper to prevent magnetic interference. And the wide compensation range (±12 inches for AS-2) makes it quick and easy to set up. Rugged construction provides excellent resistance to shocks. Highly accurate 1km double run leveling: AS-2 ±0.8mm without micrometer and ±0.4mm with micrometer. AS-2C features horizontal circle. Direct readings are graduated to 10 inches and can be estimated to 1 inch. The model AS-2 employs a 34x high-magnification, high-resolution telescope to assure sharp images even in poor light. Optional high- and low-power eyepiece lenses: AS-2 high power is 34x and low power is 22x. Improved minimum focusing distance, down to 1 meters/3.28 feet, for better performance in tight spots. Endless horizontal fine drive ensures smooth, precise pointing and angular measurement. To ensure rapid rotation, a new friction break does away with the need for clamps. Standard optical sight lets you find your target with precision and ease. Attaches to both flat- and spherical-head tripods. A mirror with a penta prism lets you view the circular bubble as an erect image while setting up and sighting.