Machine Vision Lenses and Optics - STEMMER IMAGING


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Opto Engineering TC 16M - Bi-telecentric Lenses for 35mm and 4K/8K Line Detectors

Advantages of telecentric lenses

With standard lenses an object appears to be smaller or bigger when it is closer or farther away from the lens. Unlike common optics, telecentric lenses only accept incoming ray bundles that are parallel to the optical axis; therefore the object size remains unchanged. This is essential when you must measure objects that cannot be precisely positioned (e.g. on a conveyor belt).

Moreover, telecentric lenses eliminate any perspective error and are therefore perfect when thick objects must be measured.

Telecentric lenses also outperform standard lenses when it comes to distortion: An image is distorted when straight lines in the object space appear as curved lines in the image space. Distortion is measured as a percent deviation. Opto Engineering telecentric lenses feature incredibly low distortion, typically under 0.05 % and deliver extremely accurate geometrical information.

Special features of bi-telecentric

Bi-telecentric lenses are also telecentric on the detector side. This additionally guarantees:

  • Increased Field Depth
  • Even CCD illumination
  • Constant magnification even when the CCD is not perfectly positioned

Bi-telecentric lenses are able to deliver incredibly accurate measurement on many different precision parts.

Opto Engineering bi-telecentric lenses are specifically designed for real industrial applications. The lenses have a fixed design with no adjustable focus or aperture mechanisms to withstand vibrations and ensure accurate and consistent performance.

Characteristics of the Opto Engineering TC 16M

Opto Engineering TC 16M bi-telecentric lenses have been specifically designed to fit 35 mm format (36 x 24 mm) detectors with very high resolution, such as 11 MP, 16 MP or 29 MP.

The Opto Engineering TC 16M lenses are also perfectly suitable for 4K and 8K line scan cameras.

Besides the standard F-mount any other mechanical interface can be easily supplied on request.


  • Object field of view:
    • 35mm detector: 9.0 x 6.0 mm to 147.1 x 98.1 mm
    • Line detectors: 5.1 mm to 167.1 mm
  • Working distance 57.8 mm to 398.0 mm
  • Field depth 0.15 mm to 19.0 mm

Markets and applications

  • Extremely accurate measurement of large parts (e.g. engine parts, glass or metal sheets, PCBs and electronic components, LCDs, etc.)
  • Determination of the diameter of cylindrical objects (e.g. shafts, turned metal parts, machine tools, etc.)


  • Maximum distortion between 0.05% and 0.20%
  • Standard F mount, other mechanical interfaces available

Contact us


+45 33 73 00 20


+45 33 73 00 10

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of products were found. products were found. Show all
Model Manufacturer Max. sensor size Diameter (mm) Aperture Length (mm) Working distance
OE TC 16M 009-F Opto Engineering 35 64.0 F 22 487.9 57.8
OE TC 16M 012-F Opto Engineering 35 64.0 F 18 378.7 57.8
OE TC 16M 018-F Opto Engineering 35 64.0 F 16 259.6 57.8
OE TC 16M 036-F Opto Engineering 35 64.0 F 16 309.0 102.6
OE TC 16M 036-Q Opto Engineering 35 64.0 F 16 348.9 102.6
OE TC 16M 048-F Opto Engineering 35 75.0 F 16 315.2 125.6
OE TC 16M 048-Q Opto Engineering 35 75.0 F 16 355.2 125.6
OE TC 16M 056-F Opto Engineering 35 80.0 F 16 338.5 148.6
OE TC 16M 064-F Opto Engineering 35 100.0 F 3.51 359.6 170.6
OE TC 16M 080-F Opto Engineering 35 116.0 F 16 406.4 197.3
OE TC 16M 080-Q Opto Engineering 35 116.0 F 16 446.4 197.3
OE TC 16M 096-F Opto Engineering 35 143.0 F 16 449.2 262.3
OE TC 16M 120-F Opto Engineering 35 180.0 F 16 538.1 331.6
OE TC 16M 144-F Opto Engineering 35 200.0 F 16 597.8 397.4
OE TC 16M 144-F-08 Opto Engineering 35 200.0 F 16 597.8 397.4
OE TC 16M 192-F Opto Engineering 35 260.0 742.0 457.5
OE TC 16M 240 Opto Engineering 35 322.0 F 16 899.0 542.8
OE TC 16M 240-Q Opto Engineering 35 322.0 F 16 938.7 542.8
File Topics Size
Opto Engineering Bi telecentric Technology
Data sheets
1.0 MB
Opto Engineering TC 16M 009
Data sheets
456.3 KB
Opto Engineering TC 16M 012
Data sheets
452.2 KB
Opto Engineering TC 16M 018
Data sheets
454.5 KB
Opto Engineering TC 16M 036
Data sheets
691.7 KB
Opto Engineering TC 16M 048
Data sheets
564.2 KB
Opto Engineering TC 16M 056
Data sheets
567.0 KB
Opto Engineering TC 16M 064
Data sheets
565.0 KB
Opto Engineering TC 16M 080
Data sheets
567.9 KB
Opto Engineering TC 16M 096
Data sheets
568.1 KB
Opto Engineering TC 16M 120
Data sheets
572.4 KB
Opto Engineering TC 16M 144
Data sheets
576.4 KB
Opto Engineering TC 16M Series
Data sheets
636.2 KB