Wicked Lasers - http://www.wickedlasers.com.hk/arctic http://www.wickedlasers.com.hk/krypton The Spyder 3 10x Beam Expander expands the diameter of your laser, which reduces the divergence by a factor of 10. This expands the already-very-long-range of your
Spyder 3 Arctic Blue Handheld Laser
Wicked Lasers S3 Arctic Laser Review - The Gadgeteer
Another review of the Spyder Arctic G2 445nm Blue Laser (this one to be destroyed!) | Laser Pointer Forums - Discuss Laser Pointers | High Power Lasers