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.
[HD QUALITY OPTICS] FCM green coating， eye lens: CM blue coating， for optimal illumination and low light conditions， center focus smooth， easy to use， large intelligent phrase BAK4 prism， ensuring the key elements of optical equipment， let you The field of view is brighter， clearer and provides clear images
Magnification: about 3090 times (depending on the actual situation).