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Sill Optics T

Telecentric lenses with a long working distance 

This telecentric lens series is specially designed for applications where a long working distance is required. The standard thread supplied is C-mount, but the lenses can be customised for other lens mounts.

The whole series has a clear aperture of 15 mm to 103 mm and a magnification range from 0.083x up to 4.0x. Some models are also available with coaxial illumination.  

Reasons to choose the T-Series

It's available with longer working distances

The Sill T-Series has been designed for applications where a working distance of up to 400 mm is required. This opens up the possibilities to work on high accuracy measurement applications that are slightly further away from the camera.

Some models are available with coaxial illumination 

Coaxial illumination provides homogeneous illumination across the object and having it integrated into the lens means the design is much more compact. By default, a polarised beam splitter is installed. Depending on the surface properties an un-polarised beam splitter may yield better results for extremely shiny surfaces.


  • Sensor size: 1/2" to 1"
  • Magnifications: 0.083 to 4.0
  • Aperture: Variable (a few have a fixed aperture) / Clear aperture: 15 mm to 103 mm
  • Working distance: 184 mm to 400 mm
  • Lens mount: C-mount (standard)
  • Distortion: Max. <0.05 to 2.5%
  • NA: 0.006 to 0.065
  • Wavelength: 450-700 nm
  • Length: 178.5 mm to 432.8 mm

Show products

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Model Fabricant Magnification (max) Max. sensor size Distance de travail (mm)
SILL TZM 0125/0,13-C Sill Optics 0,131 1/1.8" 300,0
SILL TZM 0635/1,1-C Sill Optics 1,102 2/3" 230,0
SILL TZM 1235/0,083-C Sill Optics 0,083 1/2" 400,0
SILL TZM 1302/2,0-C Sill Optics 2,0 2/3" 192,1
SILL TZM 1304/4,0-C Sill Optics 4,0 2/3" 184,0
SILL TZM 1360/1,6-C Sill Optics 1,6 1" 310,0
SILL TZM 1365/1,0-C Sill Optics 1,0 1/1.8" 365,0
SILL TZM 1366/1,6-C Sill Optics 1,6 1/1.8" 308,0
SILL TZM 1390/1,87-C Sill Optics 1,87 1" 365,0
SILL TZM 5060/0,19-C Sill Optics 0,193 2/3" 309,0
SILL TZM 5160/0,19-C Sill Optics 0,2 1/1.8" 297,0
File Topics Size
Sill Optics T S5LPL8325
Data sheets
560.9 KB