Binocular Inverted Metallurgical Microscope

Product Profile: 1. Application   4XB inverted metallurgical microscope, is mainly used to test the internal structure of metals, which is an important metallographic research instrument, a key machine to appraise qualities of products for industrial departments. This inverted metallurgical microscope is mainly used to identify and analyze structures of metals and alloy, widely used in factories and testing rooms to appraise casting qualities, research and analyze raw materials and metallographic structures. 2. Technical parameters:                 ⑴ Eyepiece: Model Magnification Field(mm) Plane cocular 10X φ18                   ⑵ Objective:               Model               Magnification               Numerical aperture               （NA）               Working distance (mm)  Flat-field achromatic objective lens               10X               0.25               8.9               20X               0.40               8.7               40X               0.60               3.7               100X               1.25               0.44     ⑶ Total magnification: 100X~1000X   ⑷ System magnification: 100X~2600X ⑸ Objective table: square table dimension 152×00mm ⑹ Focus system: coaxial coarse micro motion with limit and slack adjusting device, scale value: 0.002mm    ⑺ Pupil distance regulating range: 53~75mm   ⑻ Filters: yellow, green, blue ⑼ Illuminating system: 6V/20W  halogen lamp, AC 220V （50Hz）