Knowledge Q&A
Over 30 years experience of making magnifiers and fresnel lenses, we also have some useful knowledge to share with the public.
It's our pleasure to help people find a suitable magnifier so that their vision will be clear and bright.
Infrared sensing systems can be divided into five categories according to their functions. They are measurement systems that use infrared as the medium. According to the detection mechanism, they can be divided...
Read moreThe first reaction to seeing the "Fresnel lens" is that I don't know what it is! Only after seeing the practical application of these Fresnel lenses, we know that it has already entered our daily lives....
Read moreTraditional lenses are relatively thick and heavy and small in size; Fresnel lenses are light, thin and large in size.
Read moreFrensnel lens for LED light distribution Fresnel lens can be moulded or injection mold depending on light source model, COB light source (value of luminous), light angle, distance from lamp bead to lens...
Read moreThe PVC Fresnel mangifying sheet can be cleaned by glass cleaning spray like Windex or lens cleaner spray. With clean water then wiped by a soft cloth or eyeglasses cloth and dray naturely.
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