Basler Lens C23-3520-5M-P#
- Fits all Basler cameras with a sensor size of up to 2/3"
- Metal housing
- Locking screws for iris and focus
- Aperture indicators on iris ring and lens barrel
- High contrast
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.
|Focal Length f'||35.09 mm ± 5 %|
|Aperture with Highest Resolution||F2.4|
|Image Circle||11 mm (2/3" format)|
|Focus Range||0.2 m to infinity|
|Optimum Working Distance||0.3 m|
|Relative Illumination at Full Aperture||73 %|
|Resolution||Designed for 147 LP/mm (3.40 µm pixel size, see Resolution versus Image Height)|
|MTF Measured in the Center at 90 LP/mm / 140 LP/mm (conditions: F2.0, polychromatic, 0.45 m working distance)||0.65 / 0.54|
|MTF Measured in the Corner at 90 LP/mm / 140 LP/mm (conditions: F2.0, polychromatic, 0.45 m working distance)||0.4 / 0.23|
|Optical Distortion||Typical 0.14 %|
|Angle of View, 1/1.8" Format||Horizontal: 11.7° |
|Angle of View, 2/3" Format||Horizontal: 14.3° |
|Wavelength Range||Visible (400–700 nm)|
|Back Focal Length, s'F||17.65 mm|
→ See Terminology (Basler Lenses).
|Flange Back||17.526 mm|
|Weight||Approx. 71.0 g|
→ Download the CAD/technical drawing for your Basler Lens.
Precautions, Mounting, and Cleaning (Basler Lenses)#
|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)|
Resolution versus Image Height#
Conditions: f/2.0, polychromatic, 0.45 m working distance