TelecentricBarlow

The convergent center of the object space chief ray parallel to the optical axis is located infinitely far away from the image space, which is called the object space telecentric light path. Its function is: it can eliminate the reading error caused by inaccurate focusing of the object.

In order to obtain a good image quality of the edge field of view, higher product design and manufacturing accuracy is required, and in many cases it is necessary for the designer to have relatively rich design experience.

The convergent center of the chief ray of the image side parallel to the optical axis is located infinitely far away from the object, which is called the image-side telecentric light path. Its function is to eliminate the measurement error caused by the inaccurate focusing on the image side.

Telecentriccamera

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With cameras and Longwatch video management software from IVC, camera video can now be treated as another piece of process data. Features included in IVC’s Longwatch software packages allow you to deliver this video data quickly and in an intuitive format. The result is quicker, better informed decision making.

How to choose the right telecentric lens design? First of all, the lens-compatible CCD size should be equal to or larger than the camera sensor size; Secondly, calculate the mag when the object size and camera sensor size are confirmed, always choose a smaller mag if no existing suitable mag so as to cover all the object area. Finally, check the WD & lens size to make sure it can fit in the whole system's design. Pay attention to other requirements like distortion, or DOF if necessary.

There was a view that the telecentric lens mainly solves the distortion problem. In fact, the telecentric lens solves not only the distortion problem, but the low distortion is only an additional attribute of the telecentric lens. The unique optical characteristics of the telecentric lens: when the object moves in the field of view, its magnification in different positions will not change, which determines that it cannot be replaced by ordinary industrial lenses in some fields. For example, its larger depth of field can be well adapted to the working environment on site, which is not a problem that can be solved only by algorithms.

Telecentric photographyapp

Designing a telecentric industrial lens for parallel-light imaging is not complicated in theory, but it is another matter to achieve a certain resolution and imaging quality. The telecentric lens design and manufacture is indeed more difficult than a lens in the general sense. The reason is that the size of the optical lens of the telecentric lens is relatively large, which makes the correction of various phase differences of the edge light more difficult.

2016928 — With a full frame camera (and 35mm film) it is a ratio of 3:2. APS-C Sensor Cameras. APS stands for Advanced Photo ...

TelecentricLens price

The purpose of telecentric lens design is to eliminate the difference in magnification caused by the inconsistency of the distance between the measured object and the lens. And different telecentric lenses will need different telecentric designs.

Telecentric Lenses eliminate the parallax error characteristic of standard lenses by having a constant, non-angular field of view; at any distance from the lens ...

Focal distance is the distance between the subject you are focusing to the camera sensor. Lenses that can work at close focal distances have higher ...

Telecentricsystem

Telecentriclensphotography

Mar 14, 2022 — A camera's sensor dictates the quality of the images it can produce—the larger the sensor, the higher the image quality. Bigger image sensors ...

What is atelecentriclens

IVC’s Longwatch video software provides a power platform that is capable of bringing video directly from the farthest reaches of your operations back to the control room. Because it offers the best network flexibility in the industry, your infrastructure investment is leveraged from the past, and protected for the future.

An industry leader in the development of state-of-the-art video monitoring systems that are built to operate reliably in demanding environments. Our Longwatch camera management software platform helps users combine video with SCADA system data for the ultimate understanding of operations. Improve productivity with instant visual verification of process data with Wonderware’s InTouch HMI, Historian, and MES software.

The distributed architecture of IVC’s Longwatch system ensures that your critical remote operations are continuously monitored. Remote Video Engines (RVE) provide recording at the edge. The Longwatch Video Control Center (VCC) is the main portal into the Longwatch system. It contains a configuration interface for all Remote and Local Video Engines and attached cameras. It provides a web interface for viewing video locally or remotely on laptops, tablets, and smart phones.

Telecentriclens vs normal lens

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Telecentric Lens is an optical design that the principal ray is in parallel to the optical axis. Because of these characteristics, the main advantages of the telecentric lens is to eliminate distortion when off-focus and provide superior image performance when doing high precision measurement and inspection.

Ring Diameter (MM), USA/Canada, United Kingdom, France, Germany, Japan, Switzerland. 14.0 mm. 3, F, 44, 14, 4, 4. 14.4 mm. 3½, G, 45¼, 14½, 5½, 6⅓. 14.8 mm.

It integrates the dual functions of object space/image space telecentricity, and is mainly used in the field of vision measurement and detection. Bi-telecentric lens, which is also called a double telecentric lens, adopts this principle.

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Multi-light fixture carts are designed to provide portable lighting solutions for applications ranging from inspection to laboratory and general industrial ...

The image resolution is generally measured by the CTF (contrast transfer function) that quantifies the existing spatial frequency contrast of the image sensor, and the unit is lp/mm. Most machine vision integrators often just gather a large number of cheap low-pixel, low-resolution lenses, and finally can only generate blurred images. With a telecentric lens, even with a small pixel image sensor, high-resolution images can be generated.

Longwatch Video Surveillance is a complete stand-alone video monitoring solution that can be integrated into existing process control systems. The system is composed of industrial grade software and video recording hardware along with a flexible ‘thin client’ viewer interface. The package includes multiple process control interfaces based on industry standards such as OPC and MODBUS TCP.

Telecentric lens has three catagories, object space telecentric, image space telecentric and bi telecentric lens. The difference between these three kinds lies in that the chief ray which is parallel to the optical axis is on the object space, or in the image side, or in both the object and image spaces. Object space telecentric lens and bi telecentric lenses are the most popular telecentric lens in applications.