Eschenbach No. 158063 Head Vario Plus 3x 7.6D Dim. Rectangular Lens 100 x 50 mm Illuminated Stand Magnifiers LED - Head LED Step-up converter for even, consistently bright illumination. With retractable red reading line 4 dpt, 45 nm-Kantenfilter ergonomic, tiltable magnifier head System Vario Plus is the illuminated stand magnifier system with the most varied selection of illumination options and magnifications making System Vario Plus the most successful illuminated magnifier series ever. Application: Designed for use by resting on top of the reading material, they are ideally suited for reading over long periods of time. Characteristics: Optimal illumination of the reading material is ensured by the bright light source and enclosed magnifier heads. Large, easy-to-use on/off switch makes System Vario easy to handle Round lens heads with a diameter greater then 58 mm are fitted with a retractable, red reading line for improved line-by-line reading orientation. Features: * Magnification: 3x * Diopter: 7.5D * Lens Size: 100 mm x 50 mm * Lens Type: Aspheric * Bulb: no * Power Source: no * Mount: High Grade White Plastic * Lens Material: PXM with Cera-Tec Coating * Miscellaneous: Tiltable Lens, 4D Flip-Up Lens * Lens-to-Image Distance: 180 mm * Enlargement Ratio/Transverse Magnification: 3x * Maximum Allowable Add: 5.6D * Arm/Neck: no Model: 1580-63 Manufacture: Eschenbach Origin: Germany Model: 158264 Accessories available on Amazon : Black case 156001, 156002, 156003 and reading stand No. 1605.