1. Technical specifications:
1) Focal length: 32mm to 660mm
2）Field of view: wide field of view: 17.06°×13.69°; narrow field of view: 0.84°×0.66°
3）Weight: 3.75Kg
4）Optical machine structure size: 210mm (D) × 220mm (L)
2.Technical features:
1) automatic focusing, control-free 0 seconds focusing;
2) clear image throughout;
3) automatic temperature compensation function;