CS-Mount Lens – CCL123030MPCS

CCL123030MPCS CCTV CS-mount lens 1/2.3″ 3.2mm wide angle IR corrected lens 12MP IMX226 F2.0 day night fixed Iris

3mm CS-Mount 12MP Ultra Wide Angle Lens

This 3mm CS-mount ultra wide angle lens is designed for 1/2.3″ sensors and delivers 12MP high-resolution imaging with a 136° diagonal, 114° horizontal, and 83° vertical field of view. Its F2.0 fixed aperture and IR-corrected optical design make it suitable for high-resolution CCTV systems requiring broad coverage from a compact fixed-focus configuration.

With a 3mm focal length and 114° horizontal FOV, the lens can capture a large area from a relatively short camera-to-scene distance. This makes it particularly suitable for indoor security, entrances, retail spaces, facility monitoring, and other applications where wide-area coverage and detailed image capture are both important.

Product Core Highlights

• 3mm Ultra Wide Angle Coverage – Delivers 114° horizontal FOV and 136° diagonal FOV for large-area monitoring.
• 12MP High Resolution – Supports detailed imaging for high-resolution security camera systems.
• 1/2.3″ Sensor Compatibility – Designed around 1/2.3″ image sensors for compact high-resolution CCTV platforms.
• F2.0 Fixed Aperture – Provides a stable optical configuration for continuous surveillance applications.
• IR Corrected Optical Design – Supports more consistent focus performance across visible and near-infrared imaging conditions.

CS-Mount Lens Applications

Core Application Scenes

The combination of a 3mm focal length and 114° horizontal FOV makes this lens particularly effective when a camera must observe a large scene from a short or moderate installation distance. Compared with longer focal length CCTV lenses, the 3mm configuration provides substantially broader coverage, making it suitable for spaces where minimizing blind areas is a priority.

Typical application scenarios include:

• Retail stores and convenience stores – Monitor entrances, checkout zones, aisles, and customer activity areas with broad horizontal coverage.
• Building entrances and reception areas – Capture people entering and leaving while covering the surrounding doorway and lobby area.
• Indoor facility monitoring – Suitable for offices, corridors, equipment rooms, and other relatively compact spaces requiring wide-area surveillance.
• Small warehouses and storage areas – Provide broad visibility of storage zones and access points from strategically positioned cameras.
• Parking entrances and access control areas – The 136° diagonal FOV helps capture vehicles and people across a wide approach area.
• Commercial security systems – Suitable for fixed surveillance cameras where high resolution and broad coverage are required simultaneously.

Designed for high-resolution wide-angle CCTV applications, this lens is especially useful for installations where a single camera needs to capture a large scene while retaining 12MP image detail.

Compatible Devices

This lens can be integrated with:

• 1/2.3″ 12MP CCTV cameras
• CS-mount security cameras
• High-resolution IP camera platforms with CS interfaces
• Indoor wide-angle surveillance cameras
• Retail security camera systems
• Entrance and lobby monitoring cameras
• Warehouse and facility surveillance cameras
• Parking access monitoring systems

For additional CS-compatible optical configurations, explore CS-Mount Lenses to compare different focal lengths and imaging configurations.

Wide Coverage with 12MP Detail

The optical combination of 3mm focal length, 114° horizontal FOV, and 12MP resolution is the defining characteristic of this lens. The wide viewing angle allows the camera to cover a substantial area, while the 12MP resolution provides significantly more image detail than lower-resolution surveillance configurations.

This combination is useful for applications where the camera needs to capture both the overall scene and finer details within that scene, such as people, merchandise, entrances, equipment, or vehicle activity.

The lens has a 5.94mm B.F.L., making it suitable for compatible CS-mount camera assemblies where the mechanical and optical back focal requirements match.

For projects where the required focal length needs to be determined from sensor size, working distance, and target FOV, the FOV Calculator can assist with initial lens selection.

IR Corrected for Day & Night Imaging

The IR-corrected design makes this lens suitable for surveillance systems operating under both visible-light and near-infrared illumination. This is particularly valuable for security cameras equipped with IR illumination for nighttime monitoring.

By supporting more consistent optical performance across different illumination conditions, the lens can be used in applications that require continuous day-and-night surveillance rather than being limited to daytime imaging.

Why Choose This 3mm CS-Mount Lens?

This lens combines several important characteristics for modern wide-area surveillance: 3mm focal length, 12MP resolution, 114° horizontal FOV, 1/2.3″ sensor compatibility, F2.0 aperture, and IR correction.

Its 3mm focal length makes it particularly useful for close-range and indoor monitoring where broad scene coverage is more important than narrow-angle subject magnification. The 12MP optical capability also makes it suitable for newer high-resolution CCTV systems that require more image detail across a wide field of view.

For projects requiring a customized lens configuration, TOWIN can support different optical specifications, sensor formats, focal lengths, and mounting requirements. Contact TOWIN for lens selection and OEM/ODM optical support.

Frequently Asked Questions

Q: What sensor size is this 3mm CS-mount lens designed for?
A: This lens is designed for 1/2.3″ image sensors and supports a 12MP resolution configuration.

Q: What is the horizontal FOV of the 3mm lens?
A: The lens provides a 114° horizontal field of view, with 136° diagonal and 83° vertical FOV.

Q: Is this a fixed focal length lens?
A: Yes. The focal length is fixed at 3mm, so the lens does not provide optical zoom.

Q: Why is a 3mm focal length suitable for CCTV?
A: A 3mm focal length provides a wide viewing angle, making it suitable for monitoring relatively large areas from short or moderate distances.

Q: Is this lens suitable for 12MP CCTV cameras?
A: Yes. The lens is specified for 12MP imaging and is designed for 1/2.3″ sensors with a CS mount.

Q: Is this lens suitable for night surveillance?
A: Yes. Its IR-corrected optical design makes it suitable for CCTV systems using near-infrared illumination for day-and-night monitoring.

Q: Is this a low-distortion lens?
A: The supplied specifications do not include a distortion value, so it should not be marketed as a low-distortion lens without additional optical test data.

Q: What is the B.F.L. of this lens?
A: The specified B.F.L. is 5.94mm.

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