Handheld Laser Welding/Cleaning Optics - Protective Windows, Focusing & Collimating Lenses
Handheld Laser Welding/Cleaning Optics - Protective Windows, Focusing & Collimating Lenses
Handheld Laser Welding/Cleaning Optics - Protective Windows, Focusing & Collimating Lenses
Handheld Laser Welding/Cleaning Optics - Protective Windows, Focusing & Collimating Lenses

Handheld Laser Welding/Cleaning Optics - Protective Windows, Focusing & Collimating Lenses

$2.81
Specification: Protective Window D18T2 — 1 pc
Protective Window D18T2 — 1 pc
Protective Window D30T5 — 1 pc
Protective Window D20T2 — 1 pc
Collimating Lens D16T5F60 — 1 pc
Collimating Lens D20T5F60 — 1 pc
Collimating Lens D16T5F50 — 1 pc
Focusing Lens D20T4.5F150 — 1 pc
Focusing Lens D20T4.5F200 — 1 pc
Focusing Lens D20T4.5F400 — 1 pc
Focusing Lens D20T4.5F600 — 1 pc
Focusing Lens D20T4.5F800 — 1 pc
Focusing Lens D20T3.5F400 — 1 pc
Focusing Lens D20T3.5F600 — 1 pc
Focusing Lens D20T3.5F800 — 1 pc
25A Protective Window D30T3 — 1 pc
25A Collimating Lens D30T4.5F75 — 1 pc
25A Focusing Lens D30F200 — 1 pc
25A Focusing Lens D30T3.5F250 — 1 pc
25A Focusing Lens D30T3.5F300 — 1 pc
26A Protective Window D18T2 — 1 pc
26A Collimating Lens D16T5F60 — 1 pc
26A Focusing Lens D20T4.5F150 — 1 pc
26A Focusing Lens D20T4.5F200 — 1 pc
Cleaning Dust Cap DC34 — 1 pc
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Product description

Handheld Laser Welding/Cleaning Optics — All Specifications (1 pc per variant)

One product page for everything you need: protective windows, focusing lenses, collimating lenses and a cleaning dust cap for handheld welding/cleaning heads.
Each variant is supplied as 1 pc (single piece) — no multi-pack in this listing.

  • Application: Handheld laser welding/cleaning heads (25A/26A series and compatible models)
  • Materials: Fused silica protective windows; AR-coated fused silica lenses
  • Wavelength: Optimized for 1064–1080 nm fiber-laser systems
  • Packing: 1 pc per variant, cleanroom packed
  • Maintenance tips: Replace windows regularly; keep lenses clean to maintain beam quality and gas protection

What’s included (model codes)

Type Codes Notes
Protective Window D18T2, D20T2, D30T5; 25A-D30T3; 26A-D18T2 Consumables; keep spare stock for stable protection
Collimating Lens D16T5F50, D16T5F60, D20T5F60; 25A-D30T4.5F75; 26A-D16T5F60 Pre-focus beam shaping; verify seat/code before ordering
Focusing Lens D20T4.5F150 / F200 / F400 / F600 / F800;
D20T3.5F400 / F600 / F800;
25A-D30F200, 25A-D30T3.5F250 / F300;
26A-D20T4.5F150 / F200 		Choose focal length to match your process and standoff
Cleaning Dust Cap DC34 Protects the nozzle/optics during cleaning operations

How to choose

  1. Match the code to your original part (e.g., D18T2, D20T4.5F200). If your torch is 25A/26A, select the variant with that prefix.
  2. Confirm seat/thread and optical path (collimating vs focusing) before purchasing.
  3. Pack size: This listing ships 1 pc per variant. Need bulk packs? Contact us.

Care & handling

  • Power off and allow to cool before replacement; avoid touching optical surfaces.
  • Use clean nitrile gloves and lens paper; do not scratch AR coatings.
  • Replace when contamination cannot be removed or performance degrades.

Note: Minor dimensional tolerances may exist across manufacturers. Please verify your head model and code before ordering.

Shipping & Return

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.