Manual Lensmeter Optical Lensometer for Accurate Prescription Measurement - Used in Optical Shops and Optician Centers

• MANUAL LENSMETER: Used to test lens refraction, prism, cylindrical axis, and baseline direction. Also measures printed marks and optical center of the lens.
• IMPROVED DESIGN: Can be powered by both AC and DC batteries.
• EASY TO OPERATE: Clear scale, intuitive reading, high precision, and reliable. Simple operations for convenient use.
• WIDE APPLICATION: Includes compensating prism to correct light spot center. Ideal for glass manufacturers, shops, and ophthalmologists. Can measure lenses and mirrors.
• PORTABLE AND LIGHTWEIGHT: Convenient for handheld or desk testing. Suitable for spectacles measurement, processing factories, sales departments, hospitals, and optical element factories.

Make your life easier and more enjoyable with the Improved Manual Lensmeter ±20D External Reading Outer Reading AC/DC Lensometer. This lens meter is designed to accurately measure the spherical diopter, cylindrical diopter, and cylindrical lens axis position of your lenses. It can even print marks on the lens optical center, cylindrical lens axis position, and cylindrical lens base direction. With a wide range of measurement capabilities and a fine working mechanism, you can trust this lens meter to ensure accuracy. The package includes the Manual Lensmeter Machine and a User Manual for your convenience. Specification Item Type: Manual Lensmeter Focimeter Optometry Machine Eyepiece focusing range: ±5 D The vertex refraction measurement range: -20D +20 D The minimum measurement grid: 0.12D The prism measuring range: 5Δ The prism grid value: 1Δ The prism axis range: 1--180o Prism grid value: 1o Measuring the maximum diameter of the lens: 20mm-85mm The exchange: 220V / 110V - 6V, DC:3V Net Weight: 5KG Packing list: 1*Manual Lensmeter