| Main feature and use | The telescope is inner focused with sharp image. The ruler is easy to read and estimate with high reading precision. The vertical axis is semi-mobile, turning smoothly, high directional precision.
The horizontal sdandard deviation of one measurement is not larger than ±6", the vertical standard deviation of one measurment is no larger than ±10".
The instrument is mainly used for low level control measurement, engineering measurement, wire measurement and construction measurement etc. |
|
The magnifying rate of the telescope | 28x |
The effective aperture of the object lens | φ40mm |
The minimum graduation of the dial | 1° |
The minimum graduation of the marking ruler | 1' |
The view distance of the optical center adjuster | 0.8 - 1.5M |
Weight of the instrument | 3.5kg |
;){kind=link}