Portable Design: The Lightweight Lensmeter is engineered for convenience and easy transportation. Its compact size makes it ideal for mobile use, allowing you to operate it anywhere. Precise Measurement: This focal meter provides accurate assessments of lens properties, including power, cylinder, and axis orientation, ensuring patients receive precise prescriptions during their eye exams. Specifications: Compatible with lenses ranging from 20-80mm, the device measures prism axis angles from 0-360°. It offers spherical diopter grid values of 0.125D (0-±10D) and 0.25D (±10D–±15D), along with eyepiece adjustments for focal lengths from 0-±15D. User-Friendly Operation: Designed with simplicity in mind, the Portable Lensmeter is easy to use, even for those without formal optics training. It features intuitive controls and a clear procedure for lens measurement. Wide Applicability: This compact optical focal meter is more flexible than traditional larger models, making it suitable for use in optical shops, professional optical centers, optometry offices, home use, and optical manufacturing facilities.