Varifocal Lens – CCL1270550MMPR
02/21/2020
CCTV Lens – CCL1270550AMPR
02/21/2020
CCTV Lens – CCL1272812AMPR1
TOWIN 2.8-12mm CS-Mount CCTV lens supports 1/2.7″ sensors, 3MP resolution and 113°-28° FOV with IR correction for versatile security and industrial imaging.
CCL1272812AMPR1 is a 2.8-12mm varifocal CS-mount CCTV lens. It is designed for 1/2.7″ sensor such as OV2710, AR0237. And it is a 3 megapixel HD lens with Auto Iris F1.4 for low light camera. It is an Infrared lens for Day Night security surveillance.
| IMAGE FORMAT | 1/2.7″ |
| FOCAL LENGTH | 2.8-12mm |
| H F.O.V. | 113°~28° |
| RESOLUTION | 3 Megapixel |
| APERTURE | F1.4 |
| MOUNT | CS |
| IRIS | DC Auto |
| FOCUS | Manual |
| ZOOM | Manual |
| B.F.L. | 8-16.8mm |
| M.O.D. | 0.3m |
| IR | Corrected |
Product Description
The 2.8-12mm CS-Mount CCTV lens is designed for security cameras, industrial imaging and embedded vision systems requiring flexible field-of-view adjustment and reliable image performance. Supporting 1/2.7″ image formats and 3MP resolution, the lens provides a wide horizontal field of view ranging from 113° to 28°, allowing users to adjust scene coverage according to different monitoring and imaging requirements.
With an F1.4 aperture and DC auto iris, the lens provides strong light-gathering capability and automatic exposure control for changing lighting conditions. The manual focus and zoom functions allow users to precisely adjust the imaging range and framing during installation.
The IR-corrected optical design helps maintain consistent imaging performance when used with infrared illumination, while the CS-Mount interface provides compatibility with a wide range of professional camera systems.
Key Features
2.8-12mm Varifocal Range
The flexible 2.8-12mm focal length range allows users to adjust the field of view from wide-angle monitoring to narrower viewing requirements without changing the lens.
113°-28° Wide Horizontal FOV
The horizontal field of view ranges from 113° to 28°, providing flexible scene coverage for different monitoring distances and application environments.
3MP Resolution
Supporting 3MP resolution, the lens provides detailed image capture for security cameras, industrial monitoring and general machine vision applications.
F1.4 Large Aperture
The F1.4 aperture provides strong light-gathering capability, helping maintain image brightness in challenging or low-light environments.
DC Auto Iris
The DC auto iris automatically adjusts the aperture according to changing illumination, helping maintain stable exposure during varying lighting conditions.
IR-Corrected Optical Design
The IR-corrected design helps reduce focus shift between visible and infrared wavelengths, supporting clearer imaging when IR illumination is used.
Manual Focus and Zoom
Manual focus and zoom adjustment provide flexible control over framing and imaging distance during camera installation and system setup.
CCTV Lens Applications
Security Surveillance
This 2.8-12mm CS-Mount CCTV lens is suitable for security cameras requiring flexible field-of-view adjustment for different monitoring areas and distances.
Low-Light Security Imaging
The F1.4 aperture and DC auto iris provide strong light-gathering capability and exposure control for surveillance systems operating under changing lighting conditions.
IR Surveillance Cameras
The IR-corrected optical design makes the lens suitable for cameras using infrared illumination for day-and-night surveillance.
Industrial Monitoring
The flexible focal length range allows the lens to adapt to different monitoring distances and scene sizes in industrial environments.
Embedded and Professional Camera Systems
The CS-Mount interface provides compatibility with a broad range of professional security and industrial camera platforms.
Why Choose TOWIN as Your CCTV Lens Manufacturer?
TOWIN provides professional optical solutions for CS-Mount CCTV lens, varifocal lenses, IR-corrected lenses and customized imaging systems. With optical design expertise, precision manufacturing capability and experience in security and industrial optics, TOWIN supports customers from optical development through mass production.
| TOWIN Capability | Customer Benefits |
|---|---|
| Professional varifocal lens development | Flexible focal length solutions for different imaging requirements |
| IR-corrected optical design | Improved focus consistency for day-and-night imaging |
| CS-Mount lens development experience | Compatibility with professional camera platforms |
| OEM and ODM customization support | Flexible optical and mechanical customization |
| Precision manufacturing capability | Stable optical performance and consistent product quality |
| Strict quality control process | Reliable lenses for long-term surveillance and industrial applications |
Frequently Asked Questions
Q: What applications is the 2.8-12mm CS-Mount lens suitable for?
A: The 2.8-12mm CS-Mount lens is suitable for security surveillance, IR cameras, industrial monitoring and professional camera systems requiring flexible field-of-view adjustment.
Q: What is the focal length range of this varifocal lens?
A: The lens provides a 2.8-12mm focal length range, allowing users to adjust between wide-angle and narrower viewing angles according to application requirements.
Q: What is the horizontal field of view of this lens?
A: The horizontal field of view ranges from 113° at the wide end to 28° at the telephoto end, providing flexible scene coverage.
Q: What is the advantage of the F1.4 aperture?
A: The F1.4 aperture provides strong light-gathering capability, helping the camera maintain brighter images in low-light and changing illumination conditions.
Q: What is the benefit of IR correction in this lens?
A: IR correction helps reduce focus shift between visible and infrared wavelengths, supporting clearer and more consistent imaging when infrared illumination is used.
Q: Does this lens support automatic exposure control?
A: Yes. The lens features a DC auto iris, which adjusts the aperture according to changing light conditions to help maintain stable image exposure.
Q: What sensor size is compatible with this CS-Mount lens?
A: This lens is designed for 1/2.7″ image formats and supports compatible CS-Mount camera systems.
Q: Can TOWIN customize CS-Mount varifocal lenses for specific projects?
A: Yes. TOWIN provides OEM and ODM customization services, including optical optimization, mechanical adjustments and customized varifocal lens solutions for different camera platforms.
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