Project 
 CX21 

 Optical System 
 UIS2 optical system (infinity corrected system) 

 Lighting 
 Built-in transmitted light Kohler illumination, 6V20W halogen lamp 100-240V 50/60Hz universal 

 Focusing system 
 Vertical movement of the stage, every lap for the coarse stroke 20mm, fine-tune the minimum distance of 2.5 microns 

 For mirror dial 
 4-hole wheel fixed lens 

 Observation tube 
 Binocular tube, tube inclination of 30 °, interpupillary distance 48-75mm 

 The stage next device 
 Wire transmission, size of 120mm × 132mm, range of activities for the X axis 76mm × Y axis 30mm, clip single specimen 

 Condenser 
 Abbe condenser, NA 1.25 (oil immersion), the built-in aperture diaphragm 

 Achromatic lens 
 4 × .0.10. 22.0mm 
 10 × .0.25. 10.5mm 
 40 × .0.65. 0.56mm 
 100 × .1.25. 0.13mm (optional) 
 Eyepiece (10 ×) field number. 18 (antifungal treatment) 
 Optional mirror, 15 × eyepiece (.12, mildew treatment), cable holder, 
 Wooden storage box (264 (W) × 305 (length) × 474 (H)), micrometer, 
 Arrow indicator, filter tray, dark field stop