2/3" 50mm Lens The Kowa LM50JC1MS features crisp, clear images even at long distances with excellent Corner Brightness and No edge fading.The ultra low distortion makes this lens ideal for a wide range of machine vision applications. Aperture (F-stop): 2,8 - 22 Aperture (control): Manual Application field: Machine Vision Back focus in air (mm): 35,5 Control (focus): Manual Field of view at minimum working distance, horizontal (mm): 29,3 Field of view at minimum working distance, vertical (mm): 21,9 Filter size (mm): M27 x P0,5 Focal length (mm): 50 Focus range (m): 0,2 - ∞ Megapixel: 2 Mount: C-mount Pixel size (µm): 4,5 Resolution, centre (lp/mm): 120 Resolution, margin (lp/mm): 100 Sensor size: 2/3" Series: JC1MS Size (mm): Ø34 X 55 TV distortion (%): -0,03 Temperature range (℃): -10°C - +50°C Type of lens: Fixed Focal Lens Wavelength range: Peak Coating (400nm – 1000nm) Weight (g): 95