Optical system 

　Infinity optical system

　Observation head 

　binocular head, 45 ° tilt, interpupillary distance 48-75mm

　eyepiece 

　Wide field eyepiece WF10X / 20, lens barrel Ф30  

　Wide field eyepiece WF15X / 16  

　Wide field eyepiece WF20X / 12  

　Objective lens 

　Infinity flat field long working distance objective lens 4X WD = 22

　Infinity flat field long working distance phase contrast objectives

　10X / 0.25 WD = 6

　20X / 0.4 WD = 3.1

　40X / 0.55 WD = 2.2

　phase contrast objective

　10X / 0.25 WD = 6

　20X / 0.4 WD = 3.1

　40X / 0.55 WD = 2.2

　NOSEPIECE

 INNER SIDE QUINTIPLE OBJECTIVE

　Condenser 

　Ultra-long working distance condenser NA0.3, LWD72mm; height of culture dish can reach 150mm after removing condenser

　Centering telescope

　Centering Telescope (Lens Tube Φ30mm)

　Phase contrast skateboard

　10X, 20X, 40X adjustable heart-shaped phase contrast skateboard

　Stage

　Flat stage 230X170mm

　Stage inserted into circular plate

　Mechanical moving ruler, right-hand low-position coaxial X, Y knob, moving range 80X120mm

　Extension pallet

　Terasaki bracket

　Φ38 Petri dish holder

　Φ54 Petri dish holder

　Focusing system 

　Coaxial coarse and fine focusing mechanism, fine-tuning grid value 0.002mm, adjustment range up 4.5mm, down 4.5mm

　Lighting system

　6V / 30W halogen lamp, continuously adjustable brightness

　Color filter

　Blue, green, frosted glass, 45mm diameter 

　annex

　Photography accessories 

　C-type camera interface 

　Epi-fluorescence device 

　Modulation phase contrast