Telecentric lenses are specially designed for machine vision applications and a type of industrial lens, its selection is not fixed to comply with the law, mainly lies in whether it can meet the needs of the shooting.

How to select a telecentric lens? What factors to consider?

In general, before selecting a telecentric lens, the main need to consider the impact of the following factors:

It is necessary to select the appropriate focal length and field of view according to the actual use requirements and the size and characteristics of the target. A longer focal length can provide higher observation resolution and detail presentation, while a larger field of view can cover a wider area. Telecentric lenses usually have focal lengths between 17mm and 135mm, and the choice of focal length depends largely on what you intend to photograph. Landscape photographers may need a wider focal length, while architectural photographers may need more than 35mm.

Choosing a telecentric lens with quality optical design and manufacturing process ensures the clarity and accuracy of the observed image. Optical quality includes lens material, coating technology, and refractive index of the lens assembly.

Aperture size affects the performance of the lens in low-light environments and the control of background depth. Generally speaking, an aperture of f/2.8 or smaller is more suitable for use in dark environments, while an aperture of f/4 or larger is more suitable for use in bright environments.

Consider the design and structural features of telecentric lenses, such as the focal length adjustment system, focus adjustment system, lens coating and other features. These aspects of the design and structure will directly affect the ease of use and observation of telecentric lenses.

When choosing telecentric lenses also need to be based on personal budget and actual observation needs, weighing a variety of factors to make a choice. Some telecentric lenses may be more expensive, but can provide better observation results; there are some economic products in terms of performance and price may also be a good choice. It is generally recommended to choose a cost-effective product that meets your needs.

To sum up, the selection of telecentric lens needs to consider a number of factors, and reasonable selection can ensure the best performance of telecentric lens in practical applications.