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Opto Engineering TC4K Series Lenses

Flat Telecentric Lenses for 4k Linescan Cameras
TC4k Opto Lens

TC4K series telecentric lenses have been designed for measurement applications using linescan cameras with a detector size up to 28.7 mm (e.g. 4096 pixels with pixel size 7 ?m).

Dimensional constraints are often a major issue when designing image scanning systems where the sample or the camera itself must be moved: TC4K series is the Opto Engineering solution for applications and machines with tight dimensional constrains. Compatible LTCL4K illuminators with matching flat design and dedicated accessories allow for optical combinations that fit most geometrical measurement configurations.

TC4K series feature standard F or M42 mount to fit common linescan camera interfaces; additional mounts are available upon request. Moreover, the lens-camera interface provides both fine detector phase adjustment and a precise focusing mechanism. Detector phase adjustment allows to precisely position the linear FOV at 90° from the object movement direction.


FeaturesWatch TC Series VideoDownloadsApplicationOrder TC4k


  • Compact design
    “Flat” shape for easy integration
  • Easy rotational phase and focus adjustment
    Robust and precise tuning of FOV phase angle and best focus position
  • Compatible LTCL4K telecentric illuminators
    with matching flat design.
  • Dedicated CMMR4K mirrors 
    90° deflection of the light path for usage in tight spaces and easy integration

Watch TC Series Video




Title Click to Download PDF
2021 Opto Engineering Product Catalog PDF
Telecentric Lens Tutorial : Basic Information and Principles PDF
Telecentric Lens Applications PDF
TC4K Focusing Instructions PDF
Telecentric Sensor Chart PDF
TC4K Parts List PDF



Application Examples Diagram
 Engine shaft measurement performed with TC4K lens coupled to LTCL4K telecentric illuminator by means of two CMMR4K deflecting mirrors.  Engine_Shaft_Diagram
 Cell count in a Petri dish performed with TC4K lens used in combination with CMMR4K deflecting mirror and a back light.  Petri_Dish_diagram
 Metal sheet measurement performed by TC4K lens and diffused backlight illumination.  metal sheet diagram

Order TC4k

Length (mm) Width (mm) Height (mm) PDF
TC4K060-F 319.2 83 64 PDF
TC4K060-N 355.2 83 52 PDF
TC4K090-F 360.7 114 64 PDF
TC4K090-N 396.6 114 52 PDF
TC4K120-F 337.3 144 64 PDF
TC4K120-N 373.2 144 52 PDF
TC4K180-F 522.4 208 64 PDF
TC4K180-N 558.4 208 52 PDF
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