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Laser Welding Lens Dia.20mm Focusing Lens,SUP21/23/28T,F800mm CT4.5,Cleaning Machine D20F800 Focus Lenses for Hand-held Welding Head (D20*4.5-F800)
✅ In stock
D
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 4:11 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The retail sticker price has been slashed by 74% — a steep markdown from the official listing.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
2.45/28
Recent Value
2.07/22
Market Standing
6.4/20
Deal Strength
16/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
luckyda
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓D20*4.5-F800:Diameter: 20mm / 0.79 inch | Thickness: 4.5mm / 0.18 inch | Focal length: F800. Compatible with: SUP21/23/28T, F800mm, CT4.5, Cleaning Machine, D20F800 Focus Lenses for Hand-held Welding Head. 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
5.51 x 5.51 x 1.18 inches
(D20*4.5-F800
D20*4.5-F800
Quartz
air_powered
1
Manufacturer
Yumidaya
Item Weight
3.53 ounces
Product Dimensions
5.51 x 5.51 x 1.18 inches
Item model number
(D20*4.5-F800
Size
D20*4.5-F800
Material
Quartz
Power Source
air_powered
