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This section provides an overview for cctv lenses as well as their applications and principles. Also, please take a look at the list of 5 cctv lens manufacturers and their company rankings. Here are the top-ranked cctv lens companies as of January, 2025: 1.Universe Optics, 2.SUGITOH Co., Ltd., 3.Ophir Optronics Solutions Ltd.
Table of Contents
A CCTV Lens is a lens for CCTV cameras (Closed Circuit Television). These camaras transmit their images only to a specific receiver (TV monitor), such as a closed circuit television. CCTV lenses provide balanced aberration correction for all subjects, making them suitable for reading a wide range of images.
CCTV Lenses are used in CCTV cameras, which are mainly used for security applications such as surveillance and security cameras.
Other applications include road monitoring, image recognition, bar code scanning, high-speed image processing, medical applications, and machine and robot vision. In recent years, it has become possible to support mega-pixel lenses for cameras with higher pixel counts and coding for special wavelengths such as infrared rays.
CCTV Lenses have traditionally been used primarily for surveillance purposes, so they provide balanced aberration correction for all object distances. As a result, their individual physical characteristics may be inferior to those of fixed magnification telecentric or macro lenses. Also, as general-purpose lenses, their appearance is important, and their external dimensions are larger.
CCTV Lens, like most camera lenses, are available in a variety of focal lengths. Shorter focal lengths provide a wider field of view, while longer focal lengths are telephoto lenses with a narrower field of view and larger images of distant objects.
The image sensors of CCTV cameras are also classified according to the size of the image sensor: most CCTV camera image sensors are 1/1.8", 2/3", 1/2.7", 1/3", and 1" in size. There are two types of mounts for connecting to the camera: C-mount and CS-mount.
Magnification generally refers to optical magnification, which is the ratio of camera size to field of view. Camera size is the pixel size multiplied by the number of effective pixels, which is how many times the object is to be imaged. The information needed to calculate magnification is the W.D: work distance - the distance from the lens to the subject) and the focal length - the distance from the lens to the camera element.
If the distance to the subject is the same, the shorter the focal length, the wider the field of view, and the lens is called a wide-angle lens. When the same size subject is projected, the longer the focal length, the longer the work distance, and is called a telephoto lens.
Thus, in selecting a camera and lens, the first step is to select the magnification, followed by the selection of a lens and camera that match the installation conditions. Therefore, the first requirement for selection is to set the appropriate magnification for the application.
After determining the magnification, the lens and camera are selected according to the installation conditions. In selecting a camera, the number of pixels and CCD size are the basic factors to be taken into consideration.
In the use of cameras in industrial facilities, many lenses with fixed focal lengths are used. Therefore, there is a range of work distances that can be used, and a lens that provides the required field of view within the range of use must be selected.
Generally, the longer the focal length, the longer the work distance; CCTV Lens is not suitable for high-magnification applications, so a macro lens or similar is effective for imaging at high magnification. Spacers can also be placed between the lens and the camera to extend the focal length. The field of view and work distance when spacers are used are also listed in the manufacturer's technical data.
In camera and lens installations, it is common to use work distance to adjust for focus, and mounting the camera on a manual stage or similar device that can be adjusted in the imaging direction is convenient during adjustment.
*Including some distributors, etc.
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Universe Optics, established in 1979 and based in Oyster Bay, New York, is a designer and manufacturer that specializes in producing optical lenses. Its product lineup features CCD/CMOS lens assemblies, CCTV lens assemblies, diode laser lens assemblies, as well as high-resolution lens assemblies, and barcode lens assemblies. Its optical lenses are crafted for industrial, medical, high-tech, and electronic applications, these precision lenses are utilized in scanners, medical imaging, and surveillance systems.
Sugitoh Co Ltd, established in 1906, and based in Fujisawa, Japan, is a manufacturer and supplier of optical instruments. The product portfolio includes a diverse range of optical components like optical lens, prisms, special lens, C-mount metal component, beam splitter and other optical instruments. The company also offers optical parts for CCTV and lens, microscope, loupe, image equipment, test equipment, and glass process. The products are used mainly in the medical industry.
Tamron Co., Ltd. is a manufacturer of optical and photographic lenses, founded in 1950, and headquartered in Saitama City, Japan. The products offered by the company include interchangeable photo lenses, surveillance camera lenses, FA and machine vision lenses, camera modules, and automotive camera lenses. Each type of lens is tailored to specific requirements in terms of imaging capabilities, environmental factors, and application needs to meet the diverse demands of different industries and provide optimized optical solutions.
Ophir Optronics Solutions Ltd, since 1976, is a manufacturer and distributor of infrared & laser optics, laser beam analysis, and laser power and energy measurement equipment and components headquartered in Wilmington, Massachusetts. They offer various laser power and energy measurement equipment and components including laser power sensors, laser energy sensors, laser power & energy meters, and LED measurement equipment. Their IR optics include long-range IR, lightweight & foldIR zoom, and LWIR, MWIR & SWIR lenses. The company, a brand within MKS Instruments Photonics Solutions Division, offers its products for scientific research, defense, semiconductor manufacturing, industrial, and life & health sciences applications.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Universe Optics |
34.3%
|
| 2 | SUGITOH Co., Ltd. |
21.6%
|
| 3 | Ophir Optronics Solutions Ltd |
21.6%
|
| 4 | Tamron |
13.7%
|
| 5 | Kowa American Corp. |
8.8%
|
Derivation Method
The ranking is calculated based on the click share within the cctv lens page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
2 | 50.0% |
|
United States of America
|
1 | 25.0% |
|
Israel
|
1 | 25.0% |
29 products found
29 products
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