It can be used extensively for scientific research, biological and medical field. Ergonomic design ensures comfortable and accurate operation in a natural posture. Unrivaled optical performance, ergonomic design and a variety of accessories to meet your requirements. The NSZ-810 feature a large 10X Zoom ratio, extending from 0.8X to 8X. This gives you total magnification from 4X to 320X, depending on the combination of eyepiece and objective used. In addition to the standard type, you have the option of using a tilting binocular eyepiece tube to observe at an optimum eyepoint. Expanded accessory lineup for greater flexibility in various applications such as Epifluorescence attachment, Dark field attachment, Photography attachment, Capability and Coaxial Coarse / Fine Focusing Unit and so on.