Archive for September, 2009

Does anybody own a Beamshot green laser gun sight? Are they good quality? Do they hold up well? Are they really visible in daylight? Thanks.

but we can see green laser beam without smoke. Is that because of power , if so could someone explain in details it.

I need a laser pointer with a power that shoot a beam that is visible, but the beam is not solid. Or in other words, what is the minimum wattage of the laser for the green beam to show.

Im looking to buy one of those green laser pointers that can pop balloons and burn stuff. More specifically a 50mw or a 100mw one.What websites sell these?

• Beam can be seen up to 7 miles away at night!
• True 30mw factory tuned green laser pointer
• Output power: 20mW, wavelength: 532nm
• Operated by 2 x AAA batteries (included)
• Body material: Brass, Body color: Matte Black

Product Description
Lasers that emit between 5mW and 500mW output power are in Class IIIb or IEC Class 3B. Class IIIb lasers cannot legally be promoted as laser pointers or demonstration laser products. Product labels and user instructions must describe the hazard classification of the product and its output characteristics. It is dangerous and illegal to use this laser to point at moving cars, airplanes, people, animals, ect. If you need something for pointing purpose, please purchase ones with 5mW or lower output

The related information is:
Does FDA have a mandatory limit on the power emitted by laser pointers?
Yes. Laser products promoted for pointing and demonstration purposes are limited to hazard Class IIIa by FDA regulation.
21 CFR (b) and (c), limit surveying, leveling, and alignment, and demonstration laser products to Class IIIa. This means that pointers are limited to 5 milliwatts output power in the visible wavelength range from 400 to 710 nanometers. There are also limits for any invisible wavelengths and for short pulses. Pointers may not exceed the accessible emission limits of CDRH Class IIIa or IEC1 Class 3R.

Can battery-operated, portable laser systems be sold in the U.S?
Yes, battery-operated, portable laser systems can be sold in the U.S., providing that they fully comply with the standard, are certified and reported, and are not Class IIIb lasers sold or promoted for pointing or amusement purposes.

What are class IIIb lasers and are they dangerous?
Lasers that emit between 5mW and 500mW output power are in Class IIIb or IEC Class 3B. Class IIIb lasers cannot legally be promoted as laser pointers or demonstration laser products. Product labels and user instructions must describe the hazard classification of the product and its output characteristics.

Green Laser 20mw 532nm Astronomy Power Green Lase

A comparison between 3 green laser pointers:
from left to right:

eBay pen style laser pointer (5-10mW)
DealExtreme L-030 (30mW)
O-like module in custom jayrob build (90-110mW)

Message me for purc…

HipTechBlog.com reviews the Wicked Lasers green laser pointer again!

• Compatible with Microsoft® Windows Vista¿ Operating Systems
• 800dpi resolution for easy operation with a flip of the wrist
• Operating Length: 32 feet max

Product Description
This multi-function tool works as a mouse, pointer and presentation remote. Wireless convenience allows ultimate freedom and flexibility in a sleek and contemporary design.

Sony VGPWMS50A Wireless Presentation Optical Mouse for VAIO Notebooks

Hey, check out these auctions:

GREEN DOT LASER SIGHT+Pressure Switch+Rail Mount 532nw

US $36.51 (0 Bid) End Date: Wednesday Sep-30-2009 7:16:18 PDT Buy It Now for only: US $39.69 Bid now | Buy it now | Add to watch list

NCStar Green Laser Sight for Rifles and Pistols

US $54.95 (0 Bid) End Date: Wednesday Sep-30-2009 8:33:10 PDT Bid now | Add to watch list

Cool, arent they?

Hey, check out these auctions:

Powerful 5mW 5 mW 532nm Green Beam Laser Pen Pointer *

US $3.10 End Date: Wednesday Sep-30-2009 8:15:44 PDT Buy It Now for only: US $3.10 Buy it now | Add to watch list

NEW 1mW 532nm Green Beam Laser Light Pointer Pen

US $11.99 (0 Bid) End Date: Wednesday Sep-30-2009 9:04:06 PDT Bid now | Add to watch list

Cool, arent they?