16k Line Scan (82mm) Telecentric Lens

Specially designed for large image circle up to 82mm in length Suitable for line scan cameras such as 16K x 5μm,16K x 3.5μm,12K x 5μm, 8K x 7μm, etc, and area scan camera such as 155 mega pixels, 151 mega pixels The adjustable iris of this machine vision telecentric lens series is adopted to balance the DOF and resolution perfectly Excellent uniformity and little-to-no distortion Some models support inner L90 steering, saving installation space 16 standard models available, support object FOV from 45mm to 390mm Long working distance from 120mm to 700mm M95 Mount, support customized mount

12k Line Scan (62mm) Telecentric Lens

151Mega Pixel Super High-Resolution Lens Suitable for Area Scan Camera 151 Mega Pixel-3.76μm, 120 MegaPixel-2.2μm and Line Scan Camera 16Kx3.5μm,12Kx5μm, 8Kx7μm Adjustable iris is adopted to balance the DOF and resolution perfectly This 12K machine vision telecentric lens series possess super high resolution & low distortion 17 standard models are available, various magnifications from 1.755X to 0.165X M72 Mount, support customized mount

8k Line Scan (57.4mm) Telecentric Lens

Suitable for large format Area Scan Camera Line Scan Camera 16Kx3.5μm, 8Kx7μm, 8Kx5μm Adjustable iris makes it possible to balance DOF and resolution in a perfect way Super high resolution & low distortion 17 standard models available, various magnifications from 1.618X to 0.152X M72 Mount, support customized mount

Full Frame Telecentric Lens

High mag & low mag are available, and it also supports full-frame sensors. High mag from 1.5X to 4X, object telecentric design, coaxial type for option, high resolution with good consistency, suitable for high precision semiconductor & display board inspection Low mag from 0.114X to 1.213X, bi-telecentric design, design for large aperature

38mm Sensor Telecentric Lens

Sensors with a diameter of 38mm can fully utilize this series to produce high-resolution images With the low magnification bi-telecentric lens, this machine vision telecentric lens series can achieve adjustment from 1.0703X to 0.101X Models of mag below to 0.3X can adjust DOF F mount

35mm Sensor Telecentric Lens

Suitable for sensor size of 35mm or below Low magnification bi-telecentric lens series, from 0.988X to 0.0929X High resolution from 5um to 53.3um F mount

2' (32mm) Sensor Telecentric Lens

Suitable for middle-sized line scan and large area scan sensor, such as 4Kx7μm, 2Kx10μm Low magnification bi-telecentric lens series, from 0.896X to 0.084X Some models of this machine vision telecentric lens series can adopt adjustable iris, which makes themselves possible to adjust DOF on real request High resolution, low distortion F mount

7/4' (28mm) Sensor Telecentric Lens

Suitable for middle-sized line scan and large area scan sensor, such as 4Kx7μm, 2Kx10μm Low magnification bi-telecentric lens series, from 0.793X to 0.0746X Similar to 2' (32mm) Sensor Telecentric Lense, this series of machine vision telecentric lens also adopt adjustable iris; thus, it is able to adjust DOF on real request High resolution from 5.8um to 62um F mount

4/3' (23mm) Sensor Telecentric Lens

The series of sensor diameter of 23mm is designed to suit the larger 1.1' sensor Support 1.1' and 4/3' sensor as well Bi-telecentric design Well suited for high accuracy inspection & measurement and AOI applications 0.634X-0.0596X Magnification,total 17 models C Mount

1.1' (18mm) Sensor Telecentric Lens

Optimized bi-telecentric lens for 1.1' 3.45um cameras High mag and low mag of this series of machine vision telecentric lens are both available High mag from 1X to 4X, bi-telecentric design, working distance from 65mm to 178mm. Built-in coaxial illumination is available. This series also has an excellent performance in high precision industry Low mag from 0.504X to 0.0475X, bi-telecentric design, large aperature for high brightness. It can be widely applied in instant measurement C mount

1' (16.2mm) Sensor Telecentric Lens

Support max 18mm chip telecentric lens Bi-telecentric lens for 1' sensor Low mag from 0.504X to 0.0475X, supporting working distance from 65mm to 700mm, large aperature for high brightness, widely applied in instant measurement C mount

High Mag 1/2' Sensor Telecentric Long Working Distance Lens

Standard resolution telecentric lens Wide magnification range from 0.5X to 2X Bi-telecentric design and object telecentric design 22 standard models of this double telecentric lens series support long telecentric lens working distance up to 300MM Long telecentric lens working distance suitable for various applications, alignment, inspection, measurement, etc. C mount

High Mag 1/2' Sensor Telecentric Lens WD 110mm

Standard resolution telecentric lens Wide magnification ranges from 0.3X to 6X Bi-telecentric design and object telecentric design 20 standard models of working distance 110MM Similar to other high mag machine vision telecentric lens , this series is also suitable for various applications, alignment, inspection, measurement, etc. C mount

High Mag 1/2' Sensor Telecentric Lens WD 65mm

Standard resolution telecentric lens Wide magnification ranges from 0.3X to 8X Bi-telecentric design and object telecentric design 21 standard models of working distance 65MM 2 standard models of working distance of 40MM Suitable for various applications, alignment, inspection, measurement, etc. C mount

Low Mag 2/3' Sensor Telecentric Lens

Megapixels high-resolution telecentric lens Wide magnification ranges from 0.0282X to 0.5X Bi-telecentric design and object telecentric design High resolution Compact design Short OI and high NA Reduce hot spot for the coaxial type C mount

Low Mag 1/2' Sensor Telecentric Lens

Standard resolution telecentric lens Magnification ranges from 0.0205X to 0.218 X Bi-telecentric design and object telecentric design This machine vision telecentric lens series is suitable for various applications, alignment, inspection, measurement, etc. C mount

High Mag 2/3' Sensor Telecentric Lens WD 65mm

Megapixels high-resolution telecentric lens Wide magnification ranges from 0.5X to 6X Bi-telecentric design and object telecentric design 16 standard models of working distance 65MM High resolution Compact design Short OI and high NA Reduce hot spot for coaxial type C mount

High Mag 2/3' Sensor Telecentric Lens WD 110mm

Megapixels high-resolution telecentric lens Wide magnification ranges from 0.5X to 6X Bi-telecentric design and object telecentric design 16 standard models of working distance 110MM High resolution Compact design Short OI and high NA Reduce hot spot for coaxial type C mount

Telecentric Imaging System Application

Guidance Inspection Gauging Identification

Machine Vision Telecentric Lens

A Telecentric lens is a kind of lens that the chief rays are parallel to the optical axis. There are three kinds of telecentric lens, that is the object-space telecentric lens, image-space telecentric lens, and the bi-telecentric lens. Telecentric lens is always the core business of Canrill Lens. After continuous research and development for 11 years, Canrill has successfully developed 1700+ kinds of lenses, and the number is still increasing, to meet the diverse and growing applications at the best telecentric lens price.

Difference Between Object Space Telecentric Lens And Bi Telecentric Lens

Telecentric lenses have two types of telecentricity: object space and image space telecentricity (referring to the entrance and exit pupil positions, respectively). Therefore, telecentric lenses are divided into: object space telecentric lens, image space telecentric lens, and bi telecentric lens.

Object Space Telecentric Lens

In general, a machine vision telecentric lens refers to an object space telecentric lens. If the entrance pupil of the lens is located at an infinite position in the image side (all objects behind the objective lens), it can be called an object space telecentric lens. The chief ray originated from optical axis is parallel with optical axis in object side ( or to say have very small angle θ which is called telecentricity in telecentric lens specs), while in image side is not parallel.

Object Space Telecentric Lens

object space telecentric lens with entrance pupil projected to infinity on the image side

In the optical design, object space telecentricity is achieved by placing the system's iris diaphragm at the intersection of the front-end groups. Since the entrance pupil is at infinity, the field of view is constant and has no field angle. Since the chief ray (which defines the system's field of view) passes through the optical axis at the aperture stop, when the pupil is at infinity, the ray is parallel to the optical axis and the field of view is zero. By contrast, any entrance pupil within a finite distance of the lens results in a non-parallel fiber.

telecentric objective

An object space telecentric lens in which the chief ray is completely parallel to the optical axis in the object space. Note that the field of view does not change no matter where the object plane is, because the chief ray that defines the field of view is perfectly parallel to the optical axis.

object space telecentric lenses

The entrance pupil is located where the object-side principal ray passes through the optical axis.

Bi Telecentric Lens

Although object space telecentric lenses can provide much higher measurement accuracy than conventional lenses, bi telecentric lenses can also achieve higher accuracy if the lens is object and image space telecentric. The principle of image space and object space telecentricity also applies in bi telecentric lenses. In a bi-telecentric lens, the entrance and exit pupils project to their respective infinity. The chief ray originated from optical axis is parallel with optical axis in both object side and image side ( or to say have very small angle θ which is called telecentricity in telecentric lens specs).

Bi Telecentric Lens

Bi-telecentric lens with the entrance and exit pupils projected to infinity in the image and object spaces respectively

Bi-telecentric lenses are the most accurate type of telecentric lenses because their field of view is completely unaffected by changes caused by changes in object position or sensor position, nor does it operate any cos4θ attenuation. The diagram below shows the comparison of three different lenses: fixed focal length lens, object space telecentric lens, and double-telecentric lens. The X-axis represents the change in working distance (mm) from the nominal value, and the Y-axis represents the dimensional error percentage from the actual value.

double telecentric lens

As you can see, the bi -telecentric lens is the most accurate lens in the group, with a working distance offset of 4mm and an error of less than 0.2% during this period. Bi-telecentric lenses should be used in applications that require the highest accuracy and precision.

Non Telecentric Lens

The chief ray originated from optical axis has a angle θ with optical axis. For objects at different WD from the lens, the lens will have either smaller or larger mag.

non telecentric lens effect

Types Of Telecentric Lens For Sale

16k Line Scan (82mm) Telecentric Lens
- Specially designed for large image circle up to 82mm in length
- Suitable for line scan cameras such as 16K x 5μm,16K x 3.5μm,12K x 5μm, 8K x 7μm, etc, and area scan camera such as 155 mega pixels, 151 mega pixels
- Long working distance from 120mm to 700mm
12k Line Scan (62mm) Telecentric Lens
- 151Mega Pixel Super High-Resolution Lens
- Suitable for Area Scan Camera 151 Mega Pixel-3.76μm, 120 MegaPixel-2.2μm and Line Scan Camera 16Kx3.5μm,12Kx5μm, 8Kx7μm
- 17 standard models available, various magnifications from 1.755X to 0.165X
8k Line Scan (57.4mm) Telecentric Lens
- Suitable for large format Area Scan Camera Line Scan Camera 16Kx3.5μm, 8Kx7μm, 8Kx5μm
- 17 standard models available, various magnifications from 1.618X to 0.152X
- M72 Mount, support customized mount
Full Frame Telecentric Lens
- High mag from 1.5X to 4X, object telecentric design, coaxial type for option, high resolution with good consistency, suitable for high precision semiconductor & display board inspection
- Low mag from 0.114X to 1.213X, bi-telecentric design, design for large aperature
38mm Sensor Telecentric Lens
- Sensors with a diameter of 38mm can fully utilize this series to produce high-resolution images
- With the low magnification bi-telecentric lens, can achieve adjustment from 1.0703X to 0.101X
- Models of mag below to 0.3X can adjust DOF
- F mount
35mm Sensor Telecentric Lens
- Suitable for sensor size of 35mm or below
- Low magnification bi-telecentric lens series, from 0.988X to 0.0929X
- High resolution from 5um to 53.3um
- F mount
2' (32mm) Sensor Telecentric Lens
- Suitable for middle-sized line scan and large area scan sensor, such as 4Kx7μm, 2Kx10μm
- Low magnification bi-telecentric lens series, from 0.896X to 0.084X
- F mount
7/4' (28mm) Sensor Telecentric Lens
- Suitable for middle-sized line scan and large area scan sensor, such as 4Kx7μm, 2Kx10μm
- Low magnification bi-telecentric lens series, from 0.793X to 0.0746X
- Similar to 2' (32mm) Sensor Telecentric Lense
- High resolution from 5.8um to 62um
4/3' (23mm) Sensor Telecentric Lens
- The series of sensor diameter of 23mm is designed to suit the larger 1.1' sensor
- Support 1.1' and 4/3' sensor as well
- Bi-telecentric design
- 0.634X-0.0596X Magnification,total 17 models
- C Mount
1.1' (18mm) Sensor Telecentric Lens
- Optimized bi-telecentric lens for 1.1' 3.45um cameras
- High mag from 1X to 4X, bi-telecentric design, working distance from 65mm to 178mm. Built-in coaxial illumination is available.
- Low mag from 0.504X to 0.0475X, large aperature for high brightness, widely applied in instant measurement
1' (16.2mm) Sensor Telecentric Lens
- Support max 18mm chip Bi telecentric lens for 1' sensor
- Low mag from 0.504X to 0.0475X, supporting working distance from 65mm to 700mm, widely applied in instant measurement
Low Mag 2/3' Sensor Telecentric Lens
- Wide magnification ranges from 0.0282X to 0.5X
- Bi-telecentric design and object telecentric design
- Compact design, short OI and high NA
- Reduce hot spot for the coaxial type
High Mag 2/3' Sensor Telecentric Lens WD 65mm
- Wide magnification ranges from 0.5X to 6X
- Bi-telecentric design and object telecentric design
- 16 standard models of working distance 65MM
- C mount
High Mag 2/3' Sensor Telecentric Lens WD 110mm
- Wide magnification ranges from 0.5X to 6X
- Bi-telecentric design and object telecentric design
- 16 standard models of working distance 110MM
- C mount
Low Mag 1/2' Sensor Telecentric Lens
- Magnification ranges from 0.0205X to 0.218 X
- Bi-telecentric design and object telecentric design
- Suitable for various applications, alignment, inspection, measurement, etc.
- C mount
High Mag 1/2' Sensor Telecentric Lens WD 65mm
- Wide magnification ranges from 0.3X to 8X
- Bi-telecentric design and object telecentric design
- 21 standard models of working distance 65MM
- 2 standard models of working distance of 40MM
High Mag 1/2' Sensor Telecentric Lens WD 110mm
- Wide magnification ranges from 0.3X to 6X
- Bi-telecentric design and object telecentric design
- 20 standard models of working distance 110MM
High Mag 1/2' Sensor Telecentric Long Working Distance Lens
- Wide magnification range from 0.5X to 2X
- Bi-telecentric design and object telecentric design
- Support long telecentric lens working distance up to 300MM

Advantages Of Telecentric Imaging Lens System

High telecentricity and little-to-no distortion for accurate measurements.

Good consistency for better telecentric imaging system.

Extensive range of machine vision telecentric lens covering sensor size from 4.8mm to 82mm and supporting object FOV from 0.7mm to 390mm.

Considerable inventory offers the quickest leading time in industry.

Quick customization service, break the customization record by producing a new telecentric lens machine vision within 12 days from design to finished product.

World-famous brands endorsement, like Apple, Samsung, Huawei, Han's Laser, Foxconn, etc.

Telecentric Lens FAQs

Can we get a sample to test before we place orders?

Yes, Canrill has a large range of samples available for customers to test. Pls contact our sales for sample loan.
Do you support telecentric lens customization?

Yes, we can customize lens based on customers’ request. As long as customer provides us with necessary optical requirement, we will be able to customize the lens in a very quick time.
What’s the leading time of telecentric lens?

For most standard models, leading time is within 7 days. Customization will depends.
Do you have a MOQ for telecentric lens?

Canrill does not have MOQ for standard models. For non-standard customized models, MOQ is 10pcs.
What is a Telecentric Lens?

The machine vision telecentric lens design is mainly to correct traditional industrial lens parallax. Within a certain range, a telecentric lens for machine vision can make the image magnification of the image does not change. Currently, due to its unique parallel optical path design, the telecentric lens has been widely favored by machine vision applications that are highly required for lens distortion.
What's The Difference Between Resolution & Mtf30 For The Telecentric Lens?

Resolution and MTF have a different definition method.
Resolution formula is R=0.61*λ/NA. R is object resolution and λ is wavelength, which is usually 0.55um. NA is the numerical aperture of the object side of the lens.
For example, XF-MT1X65D, the NA is 0.045, thus the resolution is 0.61*0.55/0.045≈7.45um. ( the resolution in our product list and drawings is 7.33um, is because decimal point numbers )
Therefore the corresponding line pairs should be 1000/(7.33*2)=68Lp/mm.
MTF is Contrast of output image/Contrast of input image. Since the input image is always larger than the output image, therefore the MTF value is always from 0-1.
MTF30 means the line pairs when the image MTF value is 0.3.
So to calculate the image side resolution, the formula is 1/MTF30/2.
For example, XF-MT1X65D, the MTF30 is 90lp/mm, then the resolution is 1/90/2=5.56um.
What Is The Resolution Of Telecentric Lens?

Resolution is the ability to resolve details in the object. It describes the thinnest line that the human eye can distinguish. Normally, the resolution for machine vision telecentric lens image is as below:
R=0.6*λ/NA;
λ is the wavelength of the light(normally λ is 550nm);
NA is the numerical aperture of the lens.
How To Improve The Deep Of Field (dof) Of A Telecentric Lens?

The DOF of a telecentric lens can be changed by adjusting its aperature. When the aperature gets bigger, the DOF becomes smaller. When the aperature gets smaller, the DOF will increase.
What's The Advantage Of Telecentric Lens System?
- Telecentric Lens can eliminate the parallax error characteristic by having a constant, non-angular field of view. Its magnification and field of view do not change at any distance from the object
- Telecentric Lens has a very low level of distortion, which makes the telecentric lens an excellent choice for metrology applications
- Telecentric Lens system can have a larger depth of field, which is beneficial in maintaining a very good image contrast even when looking at very thick objects