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LED Lighting Optical Lens | FL510mm

Specification

[Product Name] PMMA Lighting Optical Lens

[Brand] YuYing Optical
[Material] Optical Grade PMMA (High Transmittance & Uniform Beam Control)
[Custom Size Range] Customizable rectangular formats up to 400 × 300 mm
[Focal Length] 510mm
[Groove Pitch] 0.5mm (Precision Light-Directing Grooves)

[Shape] Rectangular Fresnel Structure
[Primary Optical Function] Light Routing / Directional Control
[Manufacturing] Custom Production Available
[Optical Design Type] Aspheric Micro-Fresnel Optics
[Applications] LED Luminaires, Lighting Modules, Display Illumination Equipment


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LED Lighting Optical Lens 510mm Focal Length 400×300mm PMMA Fresnel Lens for Luminaire Light Routing


This LED Lighting Optical Lens is designed for lighting equipment that requires controlled light routing, directional output, and efficient optical integration. The lens features a 510mm focal length with a 0.5mm groove pitch, providing a defined Fresnel optical structure for managing light generated by LED sources.

The lens can be manufactured within 400×300mm, making its rectangular format suitable for LED luminaires, large-area lighting modules, display illumination equipment, and application-specific optical assemblies.

Produced from optical-grade PMMA, this Fresnel lens offers a lightweight optical architecture that can be integrated into lighting products where conventional thick lenses may add unnecessary bulk.


Customized Services

1. High precision: Tip Width (R) ≤ 0.005mm, with loop distance as small as 0.02mm.

2. Molds capacity: We can process lens molds ranging from as small as 1mm to as large as 2200mm in diameter, accommodating a wide variety of specifications.

3. Focus Distance Design: We can design and manufacture lenses with focal lengths as short as 1mm and as long as 10 meters or more, suitable for different application scenarios.

4. Superior Surface Finish: Surface roughness Ra ≤ 0.014μm (14nm), with Ra ≤ 0.002μm achievable within a 150mm diameter, ideal for high-performance applications





Product Highlights

  • 510mm focal length for extended optical positioning requirements
  • 0.5mm groove pitch for controlled Fresnel light routing
  • Maximum manufacturing range of 400×300mm
  • Rectangular format suited to elongated LED fixture architectures
  • Optical-grade PMMA for lightweight optical integration
  • Supports directional light management within LED luminaire designs
  • Suitable for OEM development and application-specific optical configurations
  • Can be evaluated for different LED source arrangements and installation geometries

Customer also Ask

What is an LED Lighting Optical Lens?
An LED Lighting Optical Lens is an optical component positioned in front of an LED source to redirect, concentrate, spread, or otherwise manage emitted light according to the requirements of a lighting system.

What does the 510mm focal length indicate?
The 510mm focal length describes the principal optical geometry of the Fresnel lens and provides an important reference when determining the relative position of the LED source and lens.

What are the advantages of a rectangular Fresnel lens?
A rectangular Fresnel lens can make more efficient use of available space in panel, linear, and elongated LED luminaires compared with a circular optical aperture.

Can the 400×300mm lens be customized?
Yes. The lens can be manufactured within a maximum 400×300mm dimensional range. Optical parameters should be evaluated according to the LED source, working distance, beam requirement, and mechanical structure.




Applications

LED Luminaires
The lens can be integrated into LED luminaires where the optical path needs to be managed within a relatively large rectangular installation area.

Large-Area Lighting Modules
The 400×300mm manufacturing range provides a practical option for lighting structures using distributed LED sources or elongated optical layouts.

Architectural Lighting Equipment
Its rectangular geometry can correspond with linear or panel-based luminaire designs where circular optics may leave unused installation space.

Display Illumination
The lens may be evaluated for LED illumination assemblies that require controlled light routing across an extended optical area.

OEM Lighting Products
For equipment manufacturers, the Fresnel structure can be incorporated into application-specific optical assemblies alongside the customer's LED source, reflector, housing, and diffuser configuration.

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