Shin Nippon LM-25D Manual Lensmeter Features: Unrestricted tilting angle; can be clamped at any angle allowing measurement while in a comfortable position. Full 90 degree tilting; can be tilted to a full 90 degrees for easy measurement of contact lenses. Accepts large diameter lenses ( from 24-90mm) Uses bold crossline target. Can be equipped with a prism compensator (optional). Includes: 2 Bulbs 1 Vinyl cover 1 Contact Lens Holder 1 Bifocal Lens Holder SPECIFICATIONS Vertex refracting power Range + 25 diopters to - 25 diopters Step 0.125 diopters up to +/- 3 diopters 0.25 diopters beyond +/- 3 diopters Prism refracting power Range 5 prism diopters Step 0.5 diopters up to 2 diopters 1 diopter beyond 2 diopters Cylindrical Axis Range 0 to 180 degrees Step 1 degree Target Method Bold crossline Lenses Accommodated Diameter 24 to 90 mm Step 2 mm Intervals of Lensholder Pitch 16 mm Tilting Angle 30 to 90° Eyepiece Focusing +7D to -10D Bulb 110V 15W Measurement 475 mm (H) x 130 mm (W) x 330 mm (D) Weight 4.9 kg   Shin Nippon 50 Years of Quality Founded in 1954, Ajinomoto Trading, Inc. has been supplying customers with, medical equipment, release paper, chemical goods and other products produced by its parent company, Ajinomoto Co, Inc. for almost 50 years.