Large Fresnel lenses can be used in light gathering applications, or as magnifiers / projection lenses. They can also be used to start a fire, or boil water. This lens : measures 395mm x 395mm (15" x 15"). Groove pitch: 0.5mm Focal length: 220mm Magnification: 3x
DarwinUK Large Rigid Fresnel Lens 395mm x 395mm - B01M4HR20
Write a reviewYour Name
Your Review Note: HTML is not translated!
Rating Bad Good