Stretchable distance: 1620 inches
Color classification: blue
The base has a builtin standard tripod threaded interface for mounting a tripod for stable viewing.
It is infinitely variable from near to far and can be adjusted by multiples.
The 100mm large objective lens has a stronger concentrating effect and a brighter field of view.
Model SG60700Caliber 60mmEyepiece K20， K6Extender 3 times Barov short focusZenith mirror 90 degree right angle mirror (mirror)Theodolite German onearm portable theodoliteTripod SGTP10PackageWeight 3.5KGSize 980mmx320mmx16ommMagnification 350 timesCoke ratio 11.6Collecting power 73xResolution (Rayleigh limit) 2.32 angular secondsResolution (Du's limit) 1.93 arc secondsLimit Stars 11.4Field of view 1.2°Optical coating: full surface coatingLinear field of view (1000 yards) 18.59m
Magnification: about 3090 times (depending on the actual situation).