{"product_id":"fresnel-lens-fire-starter","title":"Fresnel Lens - Fire Starter","description":"\u003cp\u003eA Fresnel lens works by focusing all the sunlight passing through it into a tiny, burning spot. Magnification power has nothing to do with the intensity of that spot only its distance from the lens. What does affect the intensity of the spot is the size of the lens. More surface area means more sunlight available to focus.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFit in a wallet\u003c\/li\u003e\n\u003cli\u003eFlexible \u0026amp; durable \u003c\/li\u003e\n\u003cli\u003eSimple direct sunlight and you have fire\u003c\/li\u003e\n\u003cli\u003ePlenty of surface area to produce a blindingly hot spot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese have plenty of surface area to produce a blindingly hot spot that will smolder most natural tinder sources, which can then be blown into flame.\u003c\/p\u003e\n\u003cp\u003eThis is very old video demonstrating how to light a fire with a fresnel lens... and rabbit poop.\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/2Rh_huytNZw\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/R7WRTrwQ3Tk\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"EmberLit","offers":[{"title":"Black Sleeve","offer_id":53509456068944,"sku":"bpq1788129892355","price":2.39,"currency_code":"GBP","in_stock":true},{"title":"Clear Baggie","offer_id":53509456101712,"sku":"mcq1788129892356","price":0.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/3714\/0048\/files\/fresnel-lens---fire-starter_1.jpg?v=1788129897","url":"https:\/\/www.thistleandthread.shop\/products\/fresnel-lens-fire-starter","provider":"My Store","version":"1.0","type":"link"}