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Posted by Martin D. White on 26th Aug 2013
These are a tiny and light (pun) package that can be used to make fire on any sunny day. With a steady hand and something flammable (paper, charcloth, leaves, etc...) flame is easy to achieve. The lens fits easily in the bottom an Altoids container, with the plastic cover it is a little too big, unless the edge of the cover is folded. Folding the cover edge does not fold, or hurt, the lens.
Posted by `Stephen, Ohio on 16th Aug 2013
These compact fresnel len's are 5x power, and work fantastic to create an ember on a sunny day, and that saves us from using other sources that will eventually have to be replaced. Using the magnifacation of the sun is a free resource, so why not use it. Every kit need's to have one of these fresnel len's encluded. I even keep one in my wallet as a back-up. Buy 4/5, you'll be glad you did!
Posted by Roger on 3rd May 2013
These take up no room in your pocket, wallet, or pack and give you magnification and fire starting in an inexpensive, portable, and tiny package. Great gift to give and to receive.
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