drill bit tip holders
ginsberg scientific 7 909 66 lens fresnel with 25 frames and pocket holder
fresnel lenses have the ability to duplicate the optical effect of a very thick lens image quality is reduced when using this lens however the benefits of the lens is found in its ability to enlarge the visual image of the object being displayed the many applications of the fresnel lens makes it a valuable tool in various industries and technologies originally used in lighthouses they are now an important part of the automotive medical electrical aeronautical entertainment photography and medical fields sku amed2397