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Laser Welding Collimation Lens D20*3.5-F50 Dia.20mm Collimated Plano Convex Lens,QILIN BWT20,F50,CT3.5 Cleaning Machine, for Hand-held Welding Head (D20*3.5-F50)
✅ In stock
⭐ Lowest price we've tracked
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 8:51 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The retail sticker price has been slashed by 78% — a steep markdown from the official listing.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
luckyda
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Model D20*3.5-F50 → Diameter: 20mm / 0.79 inch | Thickness: 3.5mm / 0.14 inch | Focal length: F50. Compatible with: QILIN BWT20, F50, CT3.5, Cleaning Machine, Hand-held Welding Head Focus Lens. 99.5% light transmittance maximizes laser energy delivery — weld deeper and faster at the same power
✓Withstands high temperatures and corrosion→ 8+ hours continuously without fogging or cracking. Lasts significantly longer than standard lenses
✓Double-Sided Anti-Spill Coating → Spatter and debris won't stick easily. Wipe clean in seconds — no frequent downtime for lens changes
✓45° Chip-Resistant Bevel → Won't shatter or send fragments flying if damaged.
✓Factory pre-aligned concentricity on every lens. Install directly and start working. No time wasted on re-calibration after lens changes
⚙️ Specifications
Yumidaya
3.53 ounces
2.17 x 2.17 x 1.18 inches
D20*3.5-F50
D20*3.5-F50
Quartz
1
No
Manufacturer
Yumidaya
Item Weight
3.53 ounces
Package Dimensions
1.57 x 0.79 x 0.79 inches
Item model number
D20*3.5-F50
Size
D20*3.5-F50
Power Source
air_powered
Included Components
1
