3.05mm Tapered Cone Lens

Product Brief

This compact machine vision lens is manufactured by ShangHai SILK Optical Technology CO., LTD, optimized for 1/4” sensor with 2592*1944 resolution. Built with reliable optical layout, this mini board lens delivers steady imaging performance with 3.05mm focal length and F5.0 aperture. It supports a 4.8mm image circle and 72‑degree diagonal FOV, meeting the wide‑view requirement of compact imaging modules. The low distortion lens design keeps TV distortion below 1.5%, together with 650nm IRCF wavelength to filter unwanted infrared interference. Ultra‑short TTL at 3.6mm makes it fit for space‑constrained device integration. ShangHai SILK Optical Technology CO., LTD carries out strict optical inspection for each unit, ensuring consistent batch quality for mass‑production projects. This cost‑effective M5.5 mount optical component is ideal for small‑size embedded camera systems across multiple consumer and industrial scenarios.

Detailed Product Description

Parameter

Core Optical Parameters: The lens adopts 3.05mm focal length with ±5% tolerance, paired with F5.0 aperture ±5% tolerance, balancing depth of field and imaging brightness. TTL reaches 3.6±0.1mm for ultra‑compact assembly. 650nm IRCF wavelength effectively blocks infrared stray light for true‑color daytime output.

Imaging Format & Field‑of‑view: Max image circle is Φ4.8mm, perfectly matching 1/4” COMS sensor (2592*1944). Diagonal FOV hits 72°, horizontal FOV 61°, vertical FOV 47°, offering broad coverage for small cameras.

Distortion & Illumination & CRA: TV distortion＜1.5% for straight‑line reproduction; relative illumination 42.8%±5% guarantees uniform brightness from center to corner; CRA＜32.7° matches mainstream 1/4” sensor pixel chief‑ray angle, avoiding vignetting and color offset.

Mechanical Interface: Standard M5.5 mount, easy to align and assemble for micro camera modules.

Performance Advantages

Low‑distortion optical performance: As a low distortion lens, under 1.5% TV distortion reduces image warping, critical for recognition and scanning tasks.

Compact mechanical dimension: This mini board lens features only 3.6mm total track length, well‑suited for slim embedded hardware where internal space is extremely limited.

Well‑matched sensor compatibility: Designed exclusively for 1/4” sensor lens application, the 4.8mm image circle and＜32.7° CRA prevent dark corners and color shift, giving full play to sensor pixel capability.

Stable infrared filtering: 650nm IR cut eliminates infrared noise, improving color fidelity for visible‑light capture.

Consistent mass‑production quality: Produced by ShangHai SILK Optical Technology CO., LTD, every lens undergoes strict optical testing, guaranteeing parameter consistency for large‑volume orders.

Application Field

Smart home miniature cameras: Apply this M5.5 mount lens for small‑size indoor monitoring cameras, doorbell cameras, to capture wide‑angle clear live view within limited casing space.

Portable scanning devices: The low distortion lens supports barcode and QR‑code scanning, delivering undistorted image for fast code decoding.

Wearable imaging equipment: The mini board lens with 3.05mm focal length fits tiny wearable cameras, body‑worn recorders, satisfying compact layout demand.

Machine‑vision auxiliary modules: As compact machine vision lens, it works for simple object detection, visual counting and auxiliary sensing with 1/4” sensor lens hardware.

Educational & experimental camera kits: Cost‑effective optical component for student vision‑related project development.2. Product Brief

This compact machine vision lens is manufactured by ShangHai SILK Optical Technology CO., LTD, optimized for 1/4” sensor with 2592*1944 resolution. Built with reliable optical layout, this mini board lens delivers steady imaging performance with 3.05mm focal length and F5.0 aperture. It supports a 4.8mm image circle and 72‑degree diagonal FOV, meeting the wide‑view requirement of compact imaging modules. The low distortion lens design keeps TV distortion below 1.5%, together with 650nm IRCF wavelength to filter unwanted infrared interference. Ultra‑short TTL at 3.6mm makes it fit for space‑constrained device integration. ShangHai SILK Optical Technology CO., LTD carries out strict optical inspection for each unit, ensuring consistent batch quality for mass‑production projects. This cost‑effective M5.5 mount optical component is ideal for small‑size embedded camera systems across multiple consumer and industrial scenarios.

Detailed Product Description

Parameter

Core Optical Parameters: The lens adopts 3.05mm focal length with ±5% tolerance, paired with F5.0 aperture ±5% tolerance, balancing depth of field and imaging brightness. TTL reaches 3.6±0.1mm for ultra‑compact assembly. 650nm IRCF wavelength effectively blocks infrared stray light for true‑color daytime output.

Imaging Format & Field‑of‑view: Max image circle is Φ4.8mm, perfectly matching 1/4” COMS sensor (2592*1944). Diagonal FOV hits 72°, horizontal FOV 61°, vertical FOV 47°, offering broad coverage for small cameras.

Distortion & Illumination & CRA: TV distortion＜1.5% for straight‑line reproduction; relative illumination 42.8%±5% guarantees uniform brightness from center to corner; CRA＜32.7° matches mainstream 1/4” sensor pixel chief‑ray angle, avoiding vignetting and color offset.

Mechanical Interface: Standard M5.5 mount, easy to align and assemble for micro camera modules.

Performance Advantages

Low‑distortion optical performance: As a low distortion lens, under 1.5% TV distortion reduces image warping, critical for recognition and scanning tasks.

Compact mechanical dimension: This mini board lens features only 3.6mm total track length, well‑suited for slim embedded hardware where internal space is extremely limited.

Well‑matched sensor compatibility: Designed exclusively for 1/4” sensor lens application, the 4.8mm image circle and＜32.7° CRA prevent dark corners and color shift, giving full play to sensor pixel capability.

Stable infrared filtering: 650nm IR cut eliminates infrared noise, improving color fidelity for visible‑light capture.

Consistent mass‑production quality: Produced by ShangHai SILK Optical Technology CO., LTD, every lens undergoes strict optical testing, guaranteeing parameter consistency for large‑volume orders.

 Application Field

Smart home miniature cameras: Apply this M5.5 mount lens for small‑size indoor monitoring cameras, doorbell cameras, to capture wide‑angle clear live view within limited casing space.

Portable scanning devices: The low distortion lens supports barcode and QR‑code scanning, delivering undistorted image for fast code decoding.

Wearable imaging equipment: The mini board lens with 3.05mm focal length fits tiny wearable cameras, body‑worn recorders, satisfying compact layout demand.

Machine‑vision auxiliary modules: As compact machine vision lens, it works for simple object detection, visual counting and auxiliary sensing with 1/4” sensor lens hardware.

Educational & experimental camera kits: Cost‑effective optical component for student vision‑related project development.