Goyo Optical TV Macro Manual Zoom 2/3″ Format Z4.5
Features Magnification: x0.75-4.5 W.D. (mm): 90 Aperture: – Depth of Field (mm): 3.6-0.26mm Object Size at 1/2″ (mm): 6.4×8.5 – 1.1×1.4 Resolution Power (object): 15.6-4.4μm NA: 0.035-0.050 TV Distortion (less than): – Notes: Straight