Basler C23-2518-2M ເລນ (25.8 mm ± 5%; F1.8–F16)

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°