2. Objective: Standard: infinity without stress achromatic objectives 5X, 10X, 40X (spring), 60X (spring, oil)
3, eyepiece: Standard: flat field high eye point eyepiece 10X20mm, flat field polarizing eyepiece 10X20mm
4, the observation tube: infinity Binocular, 30 ° tilt, 360 ° rotation, diopter adjustment (± 5), IPD adjustment range 52-75mm
5. Lighting System: Standard: Köhler illumination, 110-240V adaptive wide voltage, 6V20W halogen lamp, adjustable brightness
6, * focusing mechanism: Coaxial coarse, coarse tension adjustment device with adjustable height up and down, Coarse stroke: 20mm, micro precision: 0.001mm
7, Converter: Nene positioning tilting adjustable center four-hole converter with adjustable wrench lens center
8, rotating stage diameter Φ142mm, cell value 1 °, precision 6 ', with a locking device, with a slice tablet
9, the condenser: Shake-up polarized condenser lens, NA1.25 center adjustable, double guide column positioning slide polarizer group, can be rotated 360 °,
With 0 ° 45 ° 90 ° 135 ° 180 ° 225 ° 270 ° 315 ° total of eight stalls scale
10, the middle mirror Group: Built the analyzer rotation range greater than 180 °, cell value 1 °, precision 6 ', with a locking device; built-Bertrand mirror; including compensation jack
11, compensator: a quarter-wavelength compensator (mica test plate, the optical path difference 137nm);
Full wavelength compensator (gypsum test plate, the optical path difference 530nm);
Quartz wedge, continuous produce Ⅰ-Ⅳ level interference color.
Address：Room 1407,West building 1,unit 1.Ziweishangceng,No.A5 Taibai south road,Yanta District,Xi'an city,Shaanxi Province.China.710065. ICP：浙ICP證07500135號(hào) 
