材質(zhì) MATERIAL
金屬機(jī)身,塑料上蓋
物鏡口徑 OBJECTIVE APERTURE
42MM
視場(chǎng)角 FIELD OF VIEW
1°20′
最短視距 MIN. FOCUSING DISTANCE
0.6M
乘常數(shù) STADIA RATIO
100
安平精度 SETTING ACCURACY
0.5”
補(bǔ)償范圍 COMPENSATING RANGE
±15′
每公里往返誤差1KM DOUBLE RUN LEVELING
±1.5MM
圓水泡精度 BUBBLE SENSITIVITY
8′/2MM
度盤分度值 CIRCULAR GRADUATING
1° or 1gon