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Ultra-Thin Projection Fresnel Lens | 2.69 Inch

Specification

[Product Name] Ultra-Thin Projection Fresnel Lens

[Manufacturer] Shandong Yuying Optical Instrument Co., Ltd
[Available Sizes] Optical-grade PMMA (Acrylic)

[Form Factor] Flat Micro-Pattern Lens Surface

[Optical Layout] Rear Mounted Configuration

[Dimension] 73x43mm (2.69 inch class)

[Focal Length] 53mm

[Groove Pitch] 0.3mm

[Optical Design] Precision Compression Molding

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Ultra-Thin Projection Fresnel Lens | 2.69 Inch Rear Mounted PMMA Lens | 53mm Focal Range for Display Systems


This 2.69-inch ultra-thin Fresnel lens is designed for rear-position installation, enabling smooth light redistribution and consistent image formation within projection systems.


Light direction control is a key factor in projection system performance.
Fresnel structures allow thin optical elements to manage beam paths effectively.


Why use an ultra-thin Fresnel lens in projection systems?
Ultra-thin Fresnel lenses allow efficient light redistribution while maintaining a minimal profile, making them suitable for layered optical assemblies.

Customization Services

Yuying provides customized Fresnel lenses for projectors, tailored in terms of focal length, dimensions, and groove design.


  • Custom Fresnel lenses available in varied sizes, shapes and focal lengths
  • Optimized thread pitch/tooth profile: Enhances resolution, clarity and brightness
  • Eccentric condenser lens technology: Expands keystone correction range for optimal viewing in both desktop/ceiling installations
  • Front-rear lens configuration improves light utilization efficiency


Q1: What advantage does an ultra-thin Fresnel lens provide?
A: It reduces space requirements while maintaining effective light control.

Q2: How does rear installation affect projection?
A: It helps spread light more evenly across the viewing area.

Q3: What influences light behavior in this lens?
A: The micro-pattern surface structure determines how light is redirected.

Q4: Can specifications be modified?
A: Yes, design parameters can be tailored for different applications.




Advantages


Performance Attributes:

  • Rear-position layout assists in redistributing transmitted light across projection surfaces
  • Ultra-thin structure supports integration into space-limited optical assemblies
  • Controlled groove density contributes to steady light transition behavior
  • Acrylic base material allows efficient passage of visible light
  • Suitable for systems requiring balanced illumination output

Use Environments:

  • Projection display back modules
  • Integrated visual units
  • Experimental optical platforms
  • Educational imaging assemblies

Production Capabilities:

  • Specialized Fresnel lens manufacturing workflow
  • Internal tooling development system
  • Stable repeatability across production cycles
  • Parameter adjustment available for project-based needs

Functions

Fresnel lenses perform beam collimation and focusing:

1. Convert point sources into parallel light, significantly enhancing edge brightness of display panels while eliminating sunspot effects and improving overall brightness uniformity
2. Typically used with other optical components (e.g. cylindrical lenses)
3. Removing collimation lenses causes substantial light loss through panels, resulting in noticeable hotspots and reduced edge brightness
4. On the reverse side of LCD screens, light must be converged from panels to projection lenses



Application Examples

  • Portable Projectors: Ultra-thin Fresnel lenses enable compact optical engines as small as the palm of your hand.
  • Rear-Projection TVs: Large-format Fresnel screens are used for light diffusion and viewing angle control.
  • 3LCD/DLP Projection Technology: Both rely on Fresnel lenses as key optical components for light collimation and concentration.

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