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http://www.lasereshop.com/green-laserpointer/p-25.htmlUsed by scientists or lecturers, Laser Pen Shops astronomy is one of the most popular. Available online, this item is for professional use only. It is usually used in astronomy. Some turn away while the use of the safety instructions contained on these devices yet. It is especially forbidden to direct the beam towards any flying device. 200mw laser pointer with adjustable focus and lock:
The green laser 200mWallie robust and ergonomic design: it fits perfectly in the hand and its compact size lets you carry it with you or store it safely.For mountain guides and other guides for architects, people who work on construction sites ... In short, all those who need to point a distant target appreciate this laser pointer.This model presents a novelty: the focus. You can choose a small discrete point at thickest point, as the context in which you operate.http://www.lasereshop.com/green-laserpointer/p-63.html
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