2.44mm wide angle lens

1. Product Brief

The ultra wide angle lens PL-WA2.44 is a premium M12 board lens manufactured by ShangHai SLIK Optical Technology CO., LTD. This fixed focal lens adopts professional 5G+IR optical structure, precisely optimized for 1/2.9” image sensors to deliver outstanding panoramic capturing capacity. As a high-performance surveillance lens, it features 2.44mm effective focal length and F2.5 aperture, achieving an ultra-wide 162° diagonal field of view to eliminate monitoring blind zones. This miniature camera lens balances relative illumination and TV distortion to guarantee uniform, clear imaging across the whole image circle. ShangHai SLIK Optical Technology CO., LTD strictly controls optical tolerance and assembly precision for every embedded vision lens. Suitable for both daytime and infrared supplementary lighting scenarios, this reliable 1/2.9” camera lens is widely deployed in home security, intelligent equipment and machine vision projects. Clients can source stable, cost-effective ultra wide angle lens solutions directly from our factory.

2. Detailed Product Description

 Parameter Analysis

- Focal length & aperture: EFL 2.44mm (tolerance ±5%) with F2.5 fixed aperture. The moderate aperture balances light intake and optical resolution for daily surveillance.

- Optical structure: 5G+IR design, supporting day-night switching with IR cut filter, compatible with visible light and infrared imaging.

- Sensor matching: Designed for 1/2.9” sensor, maximum image circle Φ6.3mm to fully cover sensor area without vignetting.

- Field of view: 162° diagonal, 118° horizontal, 89° vertical ultra-wide FOV, greatly reduces camera quantity needed for full-scene monitoring.

- Mechanical dimension: Total TTL 17.05±0.2mm, mechanical back focal length 3.69±0.2mm, M12 standard mount for quick assembly on board cameras.

- Optical indicators: TV distortion -26.6%, relative illumination 55.0%, CRA less than 18.15°, matching mainstream CMOS sensor receiving angle requirements.

 Performance Advantages

- Extra-wide panoramic coverage: As an ultra wide angle lens, the 162° diagonal FOV realizes large-area monitoring, effectively lowering overall system cost.

- Day-night dual usability: The 5G+IR optical structure of this M12 board lens corrects chromatic aberration in both visible and infrared bands, maintaining sharp images under IR illumination.

- Compact industrial design: Short TTL structure fits miniature embedded cameras; standard M12 interface ensures interchangeability of this fixed focal lens.

- Optimized sensor matching: Controlled CRA avoids dark corners, guarantees stable imaging quality for the 1/2.9” camera lens in long-time continuous operation.

- Strict manufacturing control: ShangHai SLIK Optical Technology CO., LTD conducts full inspection on each surveillance lens to ensure consistent optical performance for bulk orders.

 Application Field

- Home & commercial surveillance: The ultra wide angle lens is used in indoor panoramic security cameras, baby monitors and retail store monitoring devices.

- Embedded intelligent vision: This embedded vision lens fits smart home cameras, robotics visual modules and AI edge recognition equipment.

- Industrial miniature monitoring: Suitable for compact machine vision cameras requiring large field coverage, inspection equipment and portable recording devices.

- Vehicle auxiliary vision: The miniature camera lens can be applied in interior cabin monitoring and short-range panoramic auxiliary observation systems.

- Consumer smart devices: Widely adopted in various small-size smart cameras that need wide viewing range without complicated mechanical adjustment.