lens, 4dpt, 45nm edge filter, ergonomically tiltable magnifying glass potmagnifier headLupentopf, lose Operating unit (magnifying glasses) Magnification3 xDioptre7.6 dptMaterialsmanual_system varioPLUS

properties. The lens is therefore significantly thinner with the equivalent refractive value, but loses some of its image quality. What is the difference between Fresnel lenses and diffractive lenses? The