Auto Level AT-G series automatic level 1.From level survey to works execution, Topcon's level is capable of meeting customer requirements in all fields. Six types of airtight telescopes (JIS protection class 7: Watertight type) 2.AT-G1/G2/G3: Class 3 levels approved by Geographical Survey Institute of Japan, good design articles selected by Ministry of Economy, Trade and Industry 3.AT-G5/G6: Compact and light economy models with a focus on basic performance ModelAT-G1AT-G2AT-G3AT-M3AT-G4AT-G6AT-G7NObjective lens45mm45mm40mm40mm30mm30mm30mmMagnification32x32x30x26x26x24x22xStadia constant000-000Min. focusing1m1m0.5m0m0.5m0.5m0.5mCompensating range±15Standard deviation for reciprocating 1km±0.7mm±0.7mm±1.5mm±2mm±2mm±2mm±2.5mmMass (Main unit/Case)2.1Kg/ 1.3Kg1.8Kg/ 1.3Kg1.8Kg/ 1.3Kg2.3Kg/ 1.2Kg1.6Kg/ 1.3Kg1.6Kg/ 1.3Kg1.6Kg/ 1.3KgOptical micromountablemountablemountablemountable---