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Caution: the temperature of the focal point can reach very high levels, and using this lens can be risky. The user is exposed to the danger of burns, glare and uncontrolled fire.
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Responsibility for thisproduct rests with the purchaser. Read the instructions carefully before using for the first time.
Flexible, lightweight and unbreakable, the Fresnel lens can be used to start fires or barbecues, for solar cooking or solar pyrography. The lens works like a traditional lens, but has the advantage of being much thinner, which reduces its weight and cost. Supplied without frame.
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1. Pay later: payment within 30 days of dispatch of your order without additional charges or interest (except for late payment or non-payment charges).2. Interest-free payment in 3 or 4 instalments: the first instalment is paid when you place your order, and subsequent instalments are debited directly from your card.3. Financing (up to 36 months): Depending on the country, payment in installments with interest is also possible.
1. Pay later: payment within 30 days of dispatch of your order without additional charges or interest (except for late payment or non-payment charges).2. Interest-free payment in 3 or 4 instalments: the first instalment is paid when you place your order, and subsequent instalments are debited directly from your card.3. Financing (up to 36 months): Depending on the country, payment in installments with interest is also possible.
The XL Fresnel lens can be used to converge the sun’s rays. Put the face to the sun and the light will be concentrated in a point at the focal distance, allowing you to heat and/or light all types of material instantly. This large Fresnel lens is used in the manufacture of the solar stove, whose Do It Yourself construction manual can be found here. Supplied without frame.