Goyo Optical TV Macro Fixed Magnification 220mm (WD) 1/2″ Format 2D-220
Features Magnification: X2.0 Aperture: F33 Depth of Field: 0.67mm Object Size (mm): 2.4×3.2 Resolution Power (object): 11μm NA: 0.03 TV Distortion (less than): 0.1% Notes: Coaxial