Union Optech

UN0399 Fixed-Focus Lens | 1/2.7" Sensor Format | 3.05 mm Focal Length | F2.2 Aperture

Filter

Security Camera Lens

Video Conference Lens

Drones and Outdoor Action Cameras

In-Vehicle Vision Sector

Projector/AR/VR Sector

Machine Vision & Embodied Robot Field

Photography & Videography Sector

Smart Traffic Monitoring Sector

IR Thermal Imaging Sector

Smartphone Cameras & Under-Display Fingerprint Lenses

Fixed Focus Lens

Varifocal Zoom Lens

Wide-Angle Lens

Ultra-Short Throw Lens

Infrared Thermal Imaging Lens

DLP Projector Light Engine

UN0399 Fixed-Focus Lens | 1/2.7" Sensor Format | 3.05 mm Focal Length | F2.2 Aperture

The UN0399 features a 3.05 mm fixed-focus lens optimized for 1/2.7-inch image sensors. Equipped with day/night co-focusing technology, it delivers stable, sharp imaging 24/7—without requiring manual refocusing. With an ultra-wide 107.7° horizontal field of view (HFOV) and 133.1° diagonal field of view (DFOV), it provides extensive coverage while minimizing blind spots. Its 6.8 mm image circle, low distortion (≥ –17%, TV method), and compact mechanical design enable seamless integration into smart home devices and security camera systems. As a cost-effective and high-performance solution, the UN0399 is ideal for large-scale commercial deployments.

$2.55

UN0399,1/2.7",3.05 mm ±5%,2.2±5%,22.55±0.3 mm,4.95±0.2 mm,∅6.8mm,133.1°±5°,57.9°±5°,36%±5%,≥-17%,14.9°±3°

Ultra-Wide Fixed-Focus Lens with Extended Coverage

133.1° Diagonal Field of View, Day/Night Co-Focus for Seamless 24/7 Surveillance

Buy now

If you have additional requirements for this product, you can Contact Usfor customized services

5M high-definition resolution

clear details, and accurate recognition

Large aperture

clear and bright image

Product Parameters

Part Number

UN0399

Sensor Type

1/2.7"

Focal Length

3.05 mm ±5%

FNo.

2.2±5%

Total Length

22.55±0.3 mm

Mechanical BFL

4.95±0.2 mm

Max Image Circle

∅6.8mm

Optical FOV (D)

133.1°±5°

Optical FOV (H)

57.9°±5°

Relative Illumination

36%±5%

TV Distortion

≥-17%

MAX Chief Ray Angle

14.9°±3°

Download Excel List

The UN0399 features a 3.05 mm fixed-focus lens optimized for 1/2.7-inch image sensors.
Equipped with day/night co-focusing technology, it delivers stable, sharp imaging 24/7—without requiring manual refocusing.

With an ultra-wide 107.7° horizontal field of view (HFOV) and 133.1° diagonal field of view (DFOV), it provides extensive coverage while minimizing blind spots.

Its 6.8 mm image circle, low distortion (≥ –17%, TV method), and compact mechanical design enable seamless integration into smart home devices and security camera systems.

As a cost-effective and high-performance solution, the UN0399 is ideal for large-scale commercial deployments.

Have questions? Let's talk.

Our optical experts are ready to help you find the right precision optical lens or assembly solution for your imaging, sensing, or display application.