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Focal Length f: 25.4 mm ± 5 %
Aperture Range: F2.0–F16
Aperture with Highest Resolution: F2.6
Image Circle: 17.6 mm (1.1")
Focus Range: 0.1 m to infinity
Optimum Working Distance: 0.5 m
Relative Illumination at Full Aperture: 70 %
Resolution: Designed for 140 LP/mm
MTF Measured in the Center at 90 LP/mm / 140 LP/mm (conditions: F2.4, polychromatic, 0.45 m working distance): 0.69 / 0.55
MTF Measured in the Corner at 90 LP/mm / 140 LP/mm (conditions: F2.4, polychromatic, 0.45 m working distance): 0.6 / 0.4
Optical Distortion: Typical -0.24 %
Angle of View, 1/1.8 Format: Horizontal: 28.7° Vertical: 21.7°
Angle of View, 2/3 Format: Horizontal: 31.7° Vertical: 23.5°
Wavelength Range: Visible (400–700 nm)
Back Focal Length, sF: 11.33 mm
Flange Back: 17.53 mm
Mount: C-mount
Weight: Approx. 215 g
Focus/Iris Operation: Manual
