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Focal Length f: 25.8 mm ± 5 %
Aperture Range: F1.8–F16
Image Circle: 11 mm (2/3")
Focus Range: 0.3 m to infinity
Optimum Working Distance: 0.9 m
Optimum Magnification: -0.029
Relative Illumination at Full Aperture: At least 79 %
Resolution (25 % MTF, Center, Full Aperture): Designed for 90 LP/mm
Optical Distortion: Typical -0.5 %
Angle of View, 1/1.8 Format: Horizontal: 14.2° (@ MOD) to 15.5° Vertical: 10.7° (@ MOD) to 11.7°
Angle of View, 2/3 Format: Horizontal: 18.1° (@ MOD) to 19.7° Vertical: 11.5° (@ MOD) to 12.6°
Wavelength Range: Visible (400–700 nm)
Pupil Magnification, ßP: 1.04
Chief Ray Angle, CRA: 11.1°
Front Focal Length, sF: -7.7 mm
Back Focal Length, sF: 9.5 mm
Principal Point Separation, HH: -4.6 mm
Entrance Pupil Position, sEP: 17.2 mm
Exit Pupil Position, sAP: -16.7 mm
Overall Optical Length, d: 29.3 mm
Flange Back: 17.526 mm
Mount: C-mount
Weight: Approx. 83 g
Focus/Iris Operation: Manual Operating angle: 169°
