From June 2008. Only available Here!
The biconvexe lens is scratch-resistant and produces a very sharp and extremely high contrast image. Schweizer uses a UV absorbent optical crown as used with prescription lenses (refractive index n=1.52). The housing is made of light-plastic with an air-circulation hole. All materials used in the fabrication are of the highest quality.
Magnification: 5x or 4x Lens diametre: Ø 40 mm
Made in Germany Magnification: 10x or 6x