Protective Lens

Leading Wholesaler of 20x4mm protective window, 24.9x1.5mm protective lens, 20x2mm protective window, 21.5x2 mm protective lens, laser welding protective lens and 50x2mm protective windows from Rajkot.

20x4mm Protective Window

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₹ 170 / Piece Get Latest Price

Product Brochure
Thickness4 mm
ColorTransparent
BrandLantern Laser
Size20x4mm
MaterialSynthetic
Packaging TypeHDPE Bag
ShapeRound
HM Dia.20mm Series Fused Silica Laser Protective Window Fused Silica None 1064 nm $8.00–$10.00 Suitable for 1064 nm fiber laser machines
JGS1 Fused Silica Fiber Laser Protective Window  Fused Silica AR Coated 1064 nm Price on request Compatible with various laser heads like Raytools, WSX, BOCI
MCWlaser 5pcs Laser Protective Windows Dia.20-55mm JGS1 Quartz Fused Silica  JGS1 Quartz None 1064 nm $18.99 for 5 pcs General use for fiber laser systems

24.9x1.5mm Protective Lens

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₹ 200 / Piece Get Latest Price

Product Brochure
Lens TypeBeam Expanders
BrandLantern Laser
Diameter Tolerance24.9x1.5mm
AR CoatedYes
Surface QualityMirror Finish

Minimum order quantity: 10 Piece

24.9×1.5 mm protective lens is a precision optical window designed to protect the internal components of fiber laser heads, particularly the collimating and focusing lenses, from smoke, dust, and molten spatter generated during laser processing.

📐 Key Specifications
  • Diameter: 24.9 mm

  • Thickness: 1.5 mm

  • Material: Typically Fused Silica or JGS1 Quartz for high optical clarity and thermal resistance

  • Coating: Often AR-coated (Anti-Reflective) at 1064 nm, optimized for fiber laser use

20x2mm Protective Window

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₹ 170 / Piece Get Latest Price

Thickness2mm
ColorTransparent
BrandLantern Laser
Size20 x 2 mm
MaterialSynthetic Rubber
Packaging TypeHDPE Bag
ShapeRound
20×2 mm protective window for applications such as laser systems, optical instruments, or scientific equipment, here are some options that might meet your requirements:

Product
MaterialCoatingWavelengthPrice RangeApplication Compatibility
HM Dia.20mm Series Fused Silica Laser Protective Window  Fused Silica None 1064 nm $8.00–$10.00 Suitable for 1064 nm fiber laser machines 
JGS1 Fused Silica Fiber Laser Protective Window  Fused Silica AR Coated 1064 nm Price on request Compatible with various laser heads like Raytools, WSX, BOCI 
MCWlaser 5pcs Laser Protective Windows Dia.20-55mm JGS1 Quartz Fused Silica  JGS1 Quartz None 1064 nm $18.99 for 5 pcs General use for fiber laser systems

21.5x2 mm Protective Lens

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₹ 200 / Piece Get Latest Price

Product Brochure
Lens TypeAspheric
BrandLantern Laser
Diameter Tolerance21.5x2 mm
AR CoatedYes
Surface QualityMirror FInish

Minimum order quantity: 100 Piece

21.5×2 mm protective lens is a specialized optical component used in fiber laser systems, particularly in laser cutting and engraving applications. This lens serves as a protective window, safeguarding sensitive components from contaminants and damage.

�� Key Specifications
  • Diameter: 21.5 mm

  • Thickness: 2 mm

  • Coating: Double-sided anti-reflective (AR) coating

  • Material: Typically made from fused silica or quartz

  • Wavelength Compatibility: Designed for use with fiber lasers operating in the 1030–1090 nm wavelength range

  • Power Rating: Suitable for systems up to 10–15 kW

Laser welding Protective Lens

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₹ 150 / Piece Get Latest Price

Lens TypeBeam Expanders
BrandLantern Laser
Diameter Tolerance27.9 x 4.1 mm
Pack TypePVC Box
ColorTransparent

The Lantern Laser Protective Lens is an essential component for safeguarding the focusing lens in fiber laser cutting and welding systems. Manufactured by Lantern Laser, a company based in Rajkot, Gujarat, India, these lenses are designed to protect the primary lens from debris, spatter, and thermal damage during laser operations.

🔍 Key Specifications
  • Material: High-quality quartz (JGS1) for optimal light transmission and durability.

  • Coating: Anti-reflective (AR) coating optimized for 1064 nm wavelength.

  • Diameter Options: Commonly available sizes include 24.9x1.5 mm, 27.9x4.1 mm, and 37x7 mm.

  • Power Capacity: Designed to handle laser powers up to 12 kW, depending on the specific lens model.

  • Applications: Ideal for use in fiber laser cutting and welding machines, including those from brands like Raytools, Bodor, HSG, and others.

50x2mm Protective Windows

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₹ 500 / Piece Get Latest Price

Number of CoreSingle Core
Quantity Per Roll3
Usage/ApplicationProtect
Diameter50x2 mm
Pack TypeHDPE Bag

Minimum order quantity: 10 Piece

50×2 mm protective window for fiber laser systems, particularly for applications like laser cutting or welding, several high-quality options are available. These protective windows serve to shield the focusing lens from debris and spatter, ensuring optimal laser performance and longevity

UJ Optics – D50×2 mm Precitec OG Y D50 d2 Protective Window Fused Silica AR/AR @1064 nm 1064 nm 500W–6000W Precitec, TRUMPF, Mazak $4.50–$6.00
Western Electric – 50×2 mm Fused Silica JGS1 Protective Window Fused Silica AR/AR @1030–1090 nm 1030–1090 nm Up to 20 kW Raytools, Precitec $2.50–$6.20
Wewin Laser – FS50×2 mm Protective Glass for Precitec Fiber Laser Cutting Heads Fused Silica AR @1064/1070 nm 1064/1070 nm Not specified Precitec YK52, YW50, YC52 $5.00–$10.00
Yangzhou Xinyishun – High-Quality Fused Silica Laser Protection Lens Windows 50×2 mm Fused Silica AR Coated 1064 nm Not specified General Use $4.50–$6.00
Chengdu Wudongqi – Fused Silica Optical Fiber Window AR Coated 50×2 mm Fused Silica AR Coated 1064 nm Not specified General Use $2.00–$5.00
Raysoar – D50×2 mm Laser Protection Window for Fiber Laser Cutting Fused Silica AR @1064 nm 1064 nm Not specified General Use $5.70–$26.80

30x2mm Protective Window S

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₹ 200 / Piece Get Latest Price

Product Brochure
MaterialFused Silica
ShapeRound
Dimension Tolerance30x2mm
ColorWhite
BrandLantern Laser

Minimum order quantity: 10 Piece

30×2 mm protective window is a circular optical component designed to protect sensitive internal optics—especially in fiber laser systems—from contaminants like dust, spatter, and fumes during cutting, welding, or marking processes.

📋 Key Specifications
  • Dimensions:

    • Diameter: 30 mm

    • Thickness: 2 mm

  • Material:

    • Typically Fused Silica or JGS1 Quartz for high thermal and optical resistance

  • Coating:

    • Often AR-coated (Anti-Reflective) for wavelengths like 1064 nm (common in fiber lasers)

  • Laser Compatibility:

    • Widely used in Raytools, WSX, Precitec, and other fiber laser heads

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Contact Us

Ankit Patel (CEO)
Lantern Laser Tools And Technology
Shop No.4, Survey No.68, Plot No.3, Shree Ram Plaza, Vishvakarma Society Street No.01, Sadhu, Vashvani Road
Rajkot - 360005, Gujarat, India

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