SZN71 Zoom Stereo Trinocular Microscope with WF10X/22mm Eyepiece 45°Inclined 360°Rotatable Head 0.67X-4.5X Zoom Objective 0.5X/0.7X/1.5X Auxiliary Objectives, Adopting Greenough Optical System for Electronic Components PC board in Industry 4.0 Education Identification Field.

Features:
1. Featuring a Greenough optical system with a convergence angle of 10 degree, and wide field 22mm plan eyepieces, the SZN71 has excellent flatness and depth of field.
2. With new designed optical path and click stop function, the SZN71 Microscope is more precision and practical for inspection of electronic components and PC board in industrial field.
3. Its working distance is 100mm, and the maximum working distance is 177mm and the minimum is 47mm. The inter-pupillary range of the microscope is 52~76mm, and both two tube diopter adjustment(±5).
4. The zoom adjustment knob has click stops. This is a key improvement which ensures accurate magnification and is very useful for calibrated measurement especially when digital imaging.
5. It has built-in interlocking device and fixed eyepiece tube. Three auxiliary objectives, 0.5X, 0.7X, 1.5X, allows total magnifications from 3.3X to 135X.
6. SZN71 Microscope is available for scientific research, education and antiques identification etc.