Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
Laser Welding Lens Dia.20mm Focusing Lens,SUP21/23/28T,F400mm CT4.5,Cleaning Machine D20F400 Focus Lenses for Hand-held Welding Head (D20*4.5-F400)
✅ In stock
⭐ Lowest price we've tracked
D
Grade
Analysis Confidence
73%
Price verified Sep 23, 2026 10:06 AM · 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 current price sits right around what this item typically fetches.
- 🏷️The retail sticker price has been slashed by 74% — 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
1.7/28
Recent Value
1.61/22
Market Standing
3.64/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
luckyda
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Model D20*4.5-F400:Diameter: 20mm / 0.79 inch | Thickness: 4.5mm / 0.18 inch | Focal length: F400. Compatible with: SUP21/23/28T, F400mm, CT4.5, Cleaning Machine, D20F400 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
2.17 x 2.17 x 1.18 inches
Focusing Lens
D20*4.5-F400
Quartz
air_powered
1
No
No
Manufacturer
Yumidaya
Item Weight
3.53 ounces
Package Dimensions
1.57 x 0.79 x 0.79 inches
Item model number
Focusing Lens
Size
D20*4.5-F400
Material
Quartz
