Features:1) Stylish design perfect for home-use 2) First mass-produced desktop ultrasonic cleaning in the market 3) Wide-diameter transducer for best cleaning result Applications:1) Jewelry and watche

We are the leader of selling all kinds of optical products and lens, and specialized in the sales of 1.49,1.56,1.61 cr-39 lens; 1.523 mineral glass,1.70 mineral glass, round top bifocal, flat top bifo

Features:1) Easy to use control functions, conveniently located below the screen2) Quick, accurate and easy operation for alignment and measurement3) Measures all types of lenses of all kinds of mater

Features: 1) Easy to use control functions, conveniently located below the screen2) Quick, accurate and easy operation for alignment and measurement3) Measures all types of lenses of all kinds of mate

Features:1) Measurement minimum pupil diameter: 2.0mm2) Pupils of patient all over the world can be measured easily3) Selectable functions mode: you can select and change diopter steps, vertexdistance

Features:1) Measurement minimum pupil diameter: 2.0mm2) Pupils of patient all over the world can be measured easily 3) Selectable functions mode: you can select and change diopter steps, vertexdistanc

Specifications:1) Range of measurement:a) Pupillary distance of two eyes: 45 - 82mmb) Pupillary distance of the left and right eyes: 22.5mm - 41mm2) Working distance measuring grades: 30cm, 35cm, 40cm

Specifications:1) Range of measurement: a) Pupillary distance of two eyes: 45 - 82mm b) Pupillary distance of the left and right eyes: 22.5mm - 41mm2) Working distance measuring grades: 30cm, 35cm, 40

Specifications:1) Material: light-weight metal / plastic2) Holds 8 trial lenses3) Lens holder with a diameter of 38mm4) Fully adjustable temple length and nose rest5) Easily changeable cylinder axis6)