Magnification (fold): 10-71 x * equivalent to 4-inch monitor (actual LCD size approx. 0.2 inches) Working distance (mm): 90 Frame rate: Maximum 60fps Effective field of view (mm): 6.5 x 3.7-0.9 x 0.5 mm Total magnification (fold): 10-71 x * equivalent to 4-inch monitor (actual LCD size大约0.2英寸)