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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
VERY LARGE & LINE SCAN SENSORS
FLAT LENSESMag. 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
Detector type Optical specifications Mechanical specifications
Part
number
Mag. Image
width
Line - 2k
2k x 10 µm
20.5
Line - 4k
4k x 7 µm
28.7
WD wF/# Telecentricity
typical (max)
Distortion
typical (max)
Field
depth
CTF
@50 lp/mm
Mount Length Width Height
(x) (mm) (mm) (mm) (mm) (deg) (%) (mm) (%) (mm) (mm) (mm)
Object field of view (mm) 1 2 3 4 5 6
TC4K060-FTelecentric lens for 4k line scan cameras, magnification 0.478x, F-mount 0.478 28.7 42.8 60.0 174.0 16 0.06 (0.10) 0.05 (0.08) 7.3 >30 F 319.2 83 64 Buy now
TC4K060-NTelecentric lens for 4k line scan cameras, magnification 0.478x, mount M42X1 FD=10.56 0.478 28.7 42.8 60.0 174.0 16 0.06 (0.10) 0.05 (0.08) 7.3 >30 M42x1 FD10.56 355.2 83 52 Buy now
TC4K090-FTelecentric lens for 4k line scan cameras, magnification 0.319x, F-mount 0.319 28.7 64.3 90.0 174.0 16 0.05 (0.10) 0.05 (0.08) 16.4 >30 F 360.7 114 64 Buy now
TC4K090-NTelecentric lens for 4k line scan cameras, magnification 0.319x, mount M42X1 FD=10.56 0.319 28.7 64.3 90.0 174.0 16 0.05 (0.10) 0.05 (0.08) 16.4 >30 M42x1 FD10.56 396.6 114 52 Buy now
TC4K120-FTelecentric lens for 4k line scan cameras, magnification 0.240x, F-mount 0.24 28.7 85.4 119.6 174.0 16 0.10 (0.12) 0.08 (0.10) 29.2 >25 F 337.3 144 64 Buy now
TC4K120-NTelecentric lens for 4k line scan cameras, magnification 0.240x, mount M42X1 FD=10.56 0.24 28.7 85.4 119.6 174.0 16 0.10 (0.12) 0.08 (0.10) 29.2 >25 M42x1 FD10.56 373.2 144 52 Buy now
TC4K180-FTelecentric lens for 4k line scan cameras, magnification 0.159x, F-mount 0.159 28.7 128.6 180.0 254.0 16 0.08 (0.10) 0.08 (0.10) 65.6 >30 F 522.4 208 64 Buy now
TC4K180-NTelecentric lens for 4k line scan cameras, magnification 0.159x, mount M42X1 FD=10.56 0.159 28.7 128.6 180.0 254.0 16 0.08 (0.10) 0.08 (0.10) 65.6 >30 M42x1 FD10.56 558.4 208 52 Buy now

Last update: 2021-01-15

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: the real F-number of a lens in operating conditions.
  3. Maximum angle between chief rays and optical axis on the object side.
  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 perfectly sharp image, only half of the nominal field depth should be considered. Pixel size used for calculation is 7 μm.
  6. Measured from the front end of the mechanics to the camera flange.

Ordering information

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

Data table (Last update: :2021-01-15)
XLS
TC4K focusing
OE Bi-Telecentric technology
Product user guide
Telecentric lenses tutorial

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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Compatible products

LTCL4K illuminator

LTCL4K series

Flat telecentric illuminators for line scan cameras

LTBRDC main image

LTBRDC series

Continuous LED bar lights

Tools and resources

Telecentric lenses tutorial
TC selection form
Lens options
TC accuracy chart
Image gallery
Video gallery
Frequently asked questions

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.
Find more videos on our Vimeo channel

Product images

  • Close up photo of a TC4K telecentric lens
  • Close up photo of a TC4K telecentric lens
  • Close up photo of a TC4K telecentric lens
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