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  • TC4K series

TC4K series

Flat telecentric lenses for 4k line scan sensors

Opto Engineering® CATALOG

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

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 line scan 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.

KEY ADVANTAGES

  • 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
  • Detailed test report with measured optical parameters

Product range expansion

New M42x1 FD12 mount now available (-J).

VERY LARGE & LINE SCAN SENSORS
Mag. 0.159 - 0.478 x
TC4K090-N flat telecentric lens for 4k line scan cameras

Line scan applications video: 4K flat telecentric lenses and collimated illuminators

watch video

Mount options

TC4K can be ordered with standard F mount or M42x1 (identifiable by the -N suffix).

Mount F

Mount N = M42x1


Application examples

Engine shaft measurement performed with TC4K lens coupled to LTCL4K telecentric illuminator by means of two CMMR4K deflecting mirrors.
Cell count in a Petri dish performed with TC4K lens used in combination with CMMR4K deflecting mirror and a back light.
Metal sheet measurement performed by TC4K lens and diffused backlight illumination.
Main optical specifications Object field of view Advanced optical specifications Mechanical specifications
Part
number
Magnification Image
width
Max
sensor
size
Line
2k-7µm
Line
4k-7µm
Working
distance
Working
ƒ/N
Telecentricity
typical
(max)
Distortion
typical
(max)
Field
depth
Mount Length Width
14.34 28.67
(x) (mm) (mm) (mm) (mm) (deg) (%) (mm) (mm) (mm)
1 2 3 4 5 7 9
TC4K060-F 0.478 28.7 4k 30 59.98 174.0 16 < 0.06 (0.10) < 0.05 (0.08) 7.4 F 319.7 83 Quote
TC4K060-N 0.478 28.7 4k 30 59.98 174.0 16 < 0.06 (0.10) < 0.05 (0.08) 7.4 M42x1 FD 10.56 355.3 83 Quote
TC4K060-J 0.478 28.7 4k 30 59.98 174.0 16 < 0.06 (0.10) < 0.05 (0.08) 7.4 M42x1 FD 12 353.7 83 Quote
TC4K090-F 0.319 28.7 4k 44.95 89.87 174.0 16 < 0.05 (0.10) < 0.05 (0.08) 16.5 F 360.7 114 Quote
TC4K090-N 0.319 28.7 4k 44.95 89.87 174.0 16 < 0.05 (0.10) < 0.05 (0.08) 16.5 M42x1 FD 10.56 396.3 114 Quote
TC4K090-J 0.319 28.7 4k 44.95 89.87 174.0 16 < 0.06 (0.10) < 0.05 (0.08) 16.5 M42x1 FD 12 395.2 114 Quote
TC4K120-F 0.240 28.7 4k 59.75 119.46 174.0 16 < 0.10 (0.12) < 0.08 (0.10) 29.2 F 337.3 144 Quote
TC4K120-N 0.240 28.7 4k 59.75 119.46 174.0 16 < 0.10 (0.12) < 0.08 (0.10) 29.2 M42x1 FD 10.56 372.9 144 Quote
TC4K120-J 0.240 28.7 4k 59.75 119.46 174.0 16 < 0.06 (0.10) < 0.05 (0.08) 29.2 M42x1 FD 12 371.8 144 Quote
TC4K180-F 0.159 28.7 4k 90.19 180.31 254.0 16 < 0.08 (0.10) < 0.08 (0.10) 66.5 F 522.4 208 Quote
TC4K180-N 0.159 28.7 4k 90.19 180.31 254.0 16 < 0.08 (0.10) < 0.08 (0.10) 66.5 M42x1 FD 10.56 558.1 208 Quote
TC4K180-J 0.159 28.7 4k 90.19 180.31 254.0 16 < 0.08 (0.10) < 0.08 (0.10) 66.5 M42x1 FD 12 556.9 208 Quote
Last update 11 Apr 2022

Notes

  1. Working distance: distance between the front end of the mechanics and the object. Set this distance within ±3% of the nominal value for maximum resolution and minimum distortion.
  2. Working f-number (wf/N): the real f-number of a lens in operating conditions.
  3. Maximum angle between chief rays and optical axis on the object side. Typical (average production) values and maximum (guaranteed) values are listed.
  4. Percent deviation of the real image compared to an ideal, undistorted image. Typical (average production) values and maximum (guaranteed) values are listed.
  5. At the borders of the field depth the image can be still used for measurement but, to get a very sharp image, only half of the nominal field depth should be considered. Pixel size used for calculation is 7 μm.
  6. Object side, calculated with the Rayleigh criterion with λ= 520 nm
  7. FD stands for Flange Distance (in mm), defined as the distance from the mounting flange to the camera detector plane.
  8. Indicates the availability of an integrated camera phase adjustment feature.
  9. Measured from the front end of the mechanics to the camera flange.

Ordering info

It’s easy to select the right lens for your application: our part numbers are coded as TC4Kyyy-x where yyy refers to the field of view (FOV) in millimeters and -x refers to the mount option:
-F for F-mount.
-N for M42x1 mount (flange distance FD 10.56 mm).

For example, TC4K060-N refers to a TC4K060 with M42x1 mount.

Technical documents

Product user guide
pdf
Back focal adjustment
pdf
TC4K focusing
pdf

Press & marketing content

Metrology white paper
pdf
Telecentric lenses FOV - sensor size chart
pdf
Optical solutions for the pharmaceutical/biomedical industry
pdf
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Telecentric lenses tutorial
Telecentric and macro lenses options
Image gallery
Video gallery
Frequently asked questions

Press & marketing content

Metrology white paper
pdf
Telecentric lenses FOV - sensor size chart
pdf
Optical solutions for the pharmaceutical/biomedical industry
pdf
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