Security Camera Lens
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Security Camera Lens

UN0516 Fixed Focus Lens, 1/2.8' Sensor, 3.5mm, F1.1 Aperture

  • F1.1 ultra-large aperture delivers clear, detailed images day and night.

UN0516 fixed focus lens adopts an ultra-large F1.1 aperture, delivering night vision clarity comparable to daytime and exceptional detail capture.
Equipped with a 1/2.8' sensor and a 3.5 mm focal length, it offers a 115° diagonal wide-angle field of view for broader coverage and fewer blind spots. With day-night co-focus technology, it maintains sharp, precise focus around the clock without the need for repeated adjustments.
Even in low-light environments, the lens ensures high brightness and low noise, making it ideal for home security, smart monitoring, and other 24/7 surveillance applications, providing reliable protection anytime, anywhere.

Specification
  • Part Number: UN0516
  • Sensor Type: 1/2.8'
  • Focal Length: 3.5±5%mm
  • FNo.: 1.1±10%
  • Total Length: 22.5±0.3mm
  • Mechanical BFL: 4±0.2mm
  • Max Image Circle: Ø7.2mm
  • Optical FOV (D): 115°±3°(∅6.388mm)
  • Optical FOV (H): 97°±3°(∅5.568mm)
  • Optical FOV (V): 52°±3°(∅3.132mm)
  • Relative Illumination: ≥43%
  • TV Distortion: ≥-16%
  • Max Chief Ray Angle: 13°±3°
Why Us
Design and R&D
Design and R&D Union Optech has established sales and technical centers in Japan, South Korea, and Canada, with a dedicated production base in Thailand. These global sites allow us to work closely with customers and provide localized technical support for optical design and development.
Manufacturing Capabilities
Manufacturing Capabilities With 61 production lines, we achieve a monthly capacity of 10 million fixed-focus lenses and 2 million zoom lenses. We also maintain in-house manufacturing capability to process 60 sets of optical lens molds and 100 sets of precision component molds each month, ensuring efficiency from design to mass production.
Quality Control
Quality Control Our facilities support both contact measurement (with accuracy up to 0.08 μm) and non-contact precision inspection. The company is certified to ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 standards, and its laboratory is accredited by the China National Accreditation Service (CNAS) for national-level testing and calibration.
Custom Lens Manufacturing Custom Lens Manufacturing
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