Levenhuk MED 10x/18 Eyepiece with Scale (D 23.2 mm) With scale. Magnification: 10x. Field of view: 18 mm. Eyepiece diameter: 23.2 mm The Levenhuk MED 10x/18 Eyepiece is designed for microscopes with an eyepiece diameter of 23.2 mm, making it compatible with many modern models. It has an 18 mm field of view and provides 10x magnification. A special feature of this accessory is a measuring scale, which allows the user to easily determine the linear dimensions of the studied object. This eyepiece is durable and lightweight, as its body is made of aluminum. The material of the optical elements is high-quality glass. Specifications: Optics material: optical glass Body material: aluminum Magnification, x: 10 Scale divisions, mm: 0.1 Field of view, mm: 18 Focal length, mm: 25 Eyepiece diameter, mm: 23.2