Lark 0.5W Blue Laser Pointer - 500mW 450nm High Power Class 4 Laser

Lark Class 4 0.5W 500mW Blue 450nm High Power Burning Laser Pointer.

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Data sheet
Model Lark500mW450
Brand C4LASERS
Product Series Lark Lasers
Laser Class Class 4 Laser IV
Laser Power 500mW Laser
Laser Color Blue Laser
Laser Wavelength 450nm Blue Laser
Laser Beam Diameter <2.5 mm
Laser Beam Divergence 2.5 mRad
Laser Beam Distance 5 kilometres / 3.10 miles
Laser NOHD 48 meters Customized value
Required Eyewear O.D. 3.0+
Adjustable Focus Yes, Zoomable
Interchangeable Lens Yes, Interchangeable
Power Consumption DC 7.4V @ 1A
Power Supply 2 x 16340 Li-on Rechargeable Batteries
Battery Lifetime 30-60 minutes
Duty Cycle Continuous
Laser Lighting Modes Momentary On / Off and Constant On
IP Rating IP6X Dustproof Non-Waterproof
Shell Material Aluminum Alloy
Weight 700g / 24.69oz
Dimensions 25.5mm x 140mm (diameter x height)
Expected Lifespan 5,000 hours
Country of Manufacture China
Warranty One Year
Package list 1 * laser pointer, 1 * laser safety goggles, 1 * battery charger, 2 * batteries, 5 * laser lenses
 
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Lark 0.5W Blue Laser Pointer - 500mW 450nm High Power Class 4 Laser

Lark Class 4 0.5W 500mW Blue 450nm High Power Burning Laser Pointer.

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Comments(2)
08/11/2017
Much higher power than expected

The Laser I had receive took longer than a month to arrive, but the laser that arrived was much more powerful than what I had thought. It was instantly burning plastic and seering wood.

Just a split second of a reflection of this laser burned my leg, which had symptoms similar to heavy sunburn.

The Laser is not a dot, but more of a short line. Also diverges a lot at range.

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05/26/2017
Far more than 500mW

I tested in the lab, this laser actual output power is above 1000mW, double of the rating power on the website. I guess they might have sent me the 1 watt model: https://www.c4lasers.com/home/8-lark-1w-blue-laser-pointer-1000mw-450nm-high-power-class-4-laser.html
I am more than satisfied with buying the 1 watt laser at an 'education price'.

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