_x000D_ _x000D_ _x000D_ We offer discount for large quantity. Welcome to contact with us! _x000D_ _x000D_ _x000D_ _x000D_ The magnification is WF10X, the image is bright and clear, and the effect is clearer._x000D_ Built-in reticle with scales for easy adjustment of the angle, calibration of the position of the measurement object, easy to observe_x000D_ The national standard installation size is 23.2 mm, which is suitable for most biological microscopes on the market. Made of high-quality optics and metal, it is durable and practical_x000D_ WF (Wide field) wide-angle field of view is suitable for many microscopes, optical components, and metal mirror bodies, which not only enriches the magnification of the microscope, but also has a wider field of view_x000D_ When using this product, the eyes are not easily fatigued, which can effectively protect eyesight_x000D_ _x000D_ colour:black_x000D_ Material:metal_x000D_ size:18mm_x000D_ _x000D_ Package Contents:_x000D_ 2 x Eyepiece_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_