Shanghai Longway Special Glass Co., Ltd.
                                                                                                           
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Custom Borosilicate Glass Beam-shaping LED lens for specialty lighting effects

Price Negotiable
Price: NEGOTIATION
MOQ: 600 pieces
Delivery Time: Negotiable
Brand: LONGWAY
Product Description



Custom Borosilicate Glass Beam-shaping LED lens for specialty lighting effects


1. Core Material: Borosilicate Glass

  • High-Performance Glass: Specifically chosen for its exceptional thermal and chemical properties.

  • Key Attributes: Extremely low thermal expansion coefficient, high thermal shock resistance, excellent chemical durability, and inherent optical clarity.

  • Critical for LEDs: Withstands intense heat generated by high-power LEDs without degrading or cracking, unlike standard glass or many plastics.

2. Defining Property: Precision Beam-shaping

  • Optical Engineering: The lens is meticulously designed (often using optical software) and manufactured to manipulate light rays with high accuracy.

  • Function Types: Can act as a collimator (creates narrow beams), diffuser (spreads light evenly), TIR (Total Internal Reflection) optic (efficiently collects and directs light), or create specific patterns (gobos, ellipses, asymmetric distributions).

  • Surface Accuracy: Custom molding achieves complex, freeform surfaces critical for precise optical control.

3. Primary Function: Creating Specialty Lighting Effects

  • Controlled Light Distribution: Shapes the raw output of an LED into a specific, desired beam pattern or intensity profile.

  • Enhanced Effects: Enables dramatic, focused, patterned, or textured lighting impossible with standard reflectors or diffusers.

  • Efficiency: Minimizes light spill and maximizes usable light output in the desired direction/form.

4. Key Feature: Custom Molding

  • Bespoke Design: Manufactured to exact specifications (size, curvature, focal length, surface profile) dictated by the unique lighting effect required.

  • Complex Geometries: Enables intricate shapes (aspheric, faceted, stepped) essential for advanced beam control, unachievable with simple off-the-shelf lenses.

  • Consistency: Ensures precise optical performance and perfect fit within custom luminaires.

5. Target Applications:

  • Entertainment & Stage Lighting: Spotlights, moving heads, profile lights for precise beam control, gobo projection, sharp cutoffs.

  • Architectural Highlighting: Precise accent lighting for artwork, sculptures, façades, or retail displays.

  • Museum & Gallery Lighting: Controlled, low-UV lighting to illuminate artifacts without damage or glare.

  • Specialized Industrial: Machine vision lighting, scientific instrumentation, medical devices requiring specific illumination patterns.

  • High-End Retail & Hospitality: Creating unique ambient or focal lighting effects for atmosphere.

6. Key Benefits:

  • Superior Optical Performance: Unmatched clarity, minimal scatter, precise beam control.

  • Extreme Durability: Resists thermal shock, chemicals, and physical wear for long lifespan.

  • High-Temperature Stability: Maintains shape and clarity under intense LED heat.

  • Design Freedom: Enables innovative luminaire designs with unique lighting effects.

  • Consistency & Reliability: Essential for professional, repeatable results.

In essence: This lens combines the thermal resilience and optical purity of borosilicate glass with advanced custom molding to create highly precise optical components. It transforms raw LED light into specialized, controlled beams and effects, making it indispensable for professional, architectural, and high-performance specialty lighting applications demanding both reliability and dramatic visual impact.


Nameglass lens or glass cover
MaterialPyrex, borosilicate glass 3.3
Diameter Tolerance+0/-0.2 mm
Thickness Tolerance+/-0.2 mm
Processedby molding, grinding, polishing
Working temperatureresisting high temperature shock
Surface QualityOptical grade
Transmissionabove 90%
Chamfer0.1-0.3 mm x 45 degree
UsageLighting system,Electronic apparatus




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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Longway Special Glass Co., Ltd.
Location Rm. 2111, Bldg. A, Tomson Center, No. 188, Zhangyang Rd., Shanghai, China
Contact Person Dai

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