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Aftermarket collimating lens for SUP (Chaoqiang Weiye) SUP20S and SUP20T welding guns and the SUP21C cleaning head: 20 mm diameter, 5 mm centre thickness (CT), 60 mm focal length.
The collimating lens sits behind the fiber connector and turns the diverging beam from the fiber into a parallel one. A damaged collimator costs power on every weld.
S1 grade fused silica, anti reflection coated on both faces for 1064 nm. Sold singly or in packs of 5.
| Type | Collimating lens |
| Diameter | 20 mm |
| Centre Thickness | 5 mm |
| Focal Length | 60 mm |
| Material | S1 grade fused silica, AR coated both faces |
| Wavelength | 1064 nm fiber lasers |
| Fits | SUP (Chaoqiang Weiye) SUP20S and SUP20T welding guns and the SUP21C cleaning head |
| Pack Options | 1 or 5 lenses |
Handheld welding guns
Check the size against the part you are replacing.
| Lens | Specification | Fits | SPM Part Number(OEM no. where one exists) |
|---|---|---|---|
| SUP collimating D20 x 5 F60 | D20 mm, CT 5 mm, F60 | SUP20S, SUP20T, SUP21C | SPM-LAS-2188 |
| Lens | Fits |
|---|---|
| SUP focusing D20 x 4.5 F150 | SUP20S, SUP20T, SUP21T, SUP23S, SUP23T, SW150 |
| SUP focusing D20 x 4.5 F200 | SUP20S, SUP20T, SUP21T, SUP23S, SUP23T, SW150 |
| SUP collimating D16 x 5 F60 | SUP21T, SUP23S, SUP23T, SW150, SUP22C |
| Qilin / WSX focusing D20 x 3 F150 | Qilin handheld, WSX handheld |
| Qilin / WSX focusing D20 x 3 F120 | Qilin handheld, WSX handheld |
| Qilin / WSX collimating D20 x 3.5 F50 | Qilin handheld, WSX handheld |
| Relfar / Raytools BW101 focusing D20 x 4.75 F150 | Relfar handheld, Raytools BW101 |
Collimator damage
A burned collimating lens costs power on every weld. Check it when the focusing and protective lenses are clean and power is still low.
Keeping spares
Lenses are cheap next to downtime. The 5 pack keeps a spare for every gun in the shop.
Found this part cheaper elsewhere? Send us the listing and we will beat it under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
It fits SUP (Chaoqiang Weiye) SUP20S and SUP20T welding guns and the SUP21C cleaning head. Match the old lens or its box: D20, CT 5, F60. Focusing and collimating lenses are not interchangeable.
No. They are aftermarket lenses made to the same dimensions. The gun names are given so you can match your lens.
Yes. Shipping options and costs for your country are shown at checkout.
