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Basler Lens F-S35-2528-45M-S-SD#

Basler Standard F-mount lens with a fixed focal length of 25 mm, aperture range from F2.8–F22, and a resolution of 45 MP.

Basler Lens F-S35-2528-45M-S-SD

Key Features#

  • Fits all Basler cameras with F-mount, a sensor size of up to Super 35 and a pixel pitch of 3.2 µm
  • Metal housing
  • F-mount
  • Locking screws for iris and focus
  • High contrast

Info

The technical data shown in the following sections are nominal design values. The real values of the delivered products can deviate from the nominal design values.

General Specifications#

F-S35-2528-45M-S-SD
Order Number 2200001069
Focal Length f' 24.5 mm ± 5 %
Aperture Range F2.8–F22
Image Circle 32 mm (Super 35 format)
Focus Range 0.17–1.7 m
Optimum Working Distance 0.22 m
Optimum Magnification 0.1
Relative Illumination at Full Aperture At least 69 %
Resolution Designed for 155 LP/mm (3.2 µm pixel size, see Resolution versus Image Height)
MTF in the Center at 155 LP/mm
(conditions: F2.8, polychromatic, 0.1x Magnification)
>27 % @ 155 LP/mm
MTF in the Corner at 155 LP/mm
(conditions: F2.8, polychromatic, 0.1x Magnification)
>26 % @ 155 LP/mm
Optical Distortion Typical -1.35 % (barrel distortion, see Distortion versus Image Height)
Angle of View, Super 35 Format Horizontal: 55.7° (@ MOD)
Vertical: 39.1° (@ MOD)
Wavelength Range Visible (400–700 nm)
Pupil Magnification, ß'P 3.49
Chief Ray Angle, CRA 10°
Front Focal Length, sF 26 mm
Back Focal Length, s'F 23.74 mm
Principal Point Separation, HH' 61.99 mm
Entrance Pupil Position, sEP 36.42 mm
Exit Pupil Position, s'AP -60.33 mm
Overall Optical Length, d 116.5 mm

Mechanical Specifications#

F-S35-2528-45M-S-SD
Flange Back 46.5 mm +0/-0.2 mm
Mount F-mount
Weight Approx. 580 g
Focus/Iris Operation Manual
Operating angle: 90°/80.84°

Lens Dimensions#

Basler Lens F-S35-2528-45M-S-SD

Environmental Requirements#

Temperature During Operation -10–50 °C (14–122 °F)
(For best results, adjust the focus when a steady operating temperature has been reached.)
Humidity During Operation 10–90 % relative humidity, non-condensing
Temperature During Storage -20–60 °C (-4–140 °F)
Humidity During Storage <55 %

Performance Charts#

Relative Illumination versus Image Height#

Relative Illumination versus Image Height

Distortion versus Image Height#

Distortion versus Image Height

Transmittance#

Transmittance

Resolution versus Image Height#

Conditions:f/2.8, polychromatic, 0.22 m working distance

Resolution versus Image Height