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Fresnel Lens for Projector Screen

Specification

[Product Name] High Precision Rear Projection Fresnel Lens

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

[Dimension] 50×32mm (2 inch)
[Focal Length] 40mm

[Groove Pitch] 0.3mm

[Optical Design] High Precision Micro-Structured Surface
[Manufacturing Process] Injection Molding with Precision Tooling


What is a rear projection Fresnel lens?

A rear projection Fresnel lens is an optical component used to focus and distribute light evenly in projection systems, improving brightness and image clarity in compact displays.

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High Precision Fresnel Lens for Projector Screen | Best Selling 2 Inch PMMA Optical Lens | Focal 40mm Lightweight Design


This 2-inch Fresnel lens is a compact, high-precision optical solution designed for rear projection systems requiring efficient light control, uniform illumination, and minimal space.


Core Features:

  • Designed for rear projection systems with optimized light diffusion and focusing
  • Fine groove pitch (0.3mm) enhances image clarity and brightness uniformity
  • Lightweight PMMA material for compact optical assemblies
  • Low distortion and high transmittance for stable projection performance
  • Suitable for small-format projection and optical modules

Typical Applications:

  • Rear projection screens
  • Mini projectors / portable projectors
  • Optical display modules
  • DIY projection systems
  • Educational projection devices

Factory Strengths:

  • 30+ years Fresnel lens manufacturing expertise
  • In-house mold development and optical design capability
  • Mass production with consistent optical quality
  • OEM / ODM customization available



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 is the difference between rear and front Fresnel lenses?
A: Rear Fresnel lenses are placed behind the screen to improve light distribution, while front Fresnel lenses focus light from the front side.

Q2: Why is groove pitch important?
A: Smaller groove pitch (0.3mm) provides better image sharpness and reduces optical distortion.

Q3: Can this lens be used in mini projectors?
A: Yes, it is specifically designed for compact and portable projection systems.

Q4: Is customization available?
A: Yes, size, focal length, and optical structure can be customized.




Advantages

Improved Brightness Uniformity: Eliminates center-brightness and edge-dimming issues
Enhanced Light Efficiency: Reduces light loss during transmission through the panel
Hotspot Suppression: Effectively minimizes hotspot effects, protecting display components
Front & Rear Fresnel Configuration: Front lens collimates light; rear lens focuses it for optimal output
Flexible Installation: Suitable for both ceiling-mounted and desktop projectors with keystone correction support


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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