Main parameters	Total magnification	100X~400X
	Mechanical tube length	∝
	Conjugate distance of objective	∝
Eyepiece	Wide-field plan eyepiece	WF 10X	field of view number Ф22mm	Eyepiece interface Ф30mm	Parfocal distance 10mm
Trinocular	Hinged binocular tube, with an observation angle of 45°, and a pupil distance of 53-75mm
modulation contrast objective	Magnification	Numerical aperture	Working distance (mm)	Thickness of cover glass (mm)	Note
	10X	0.25	4.3	1.2	For modulation contrast view, The modulator of objective should be adapted with slot in the condenser
	20X	0.40	8.0	1.2
	40X	0.60	3.5	1.2
Bright field objective	10X	0.25	4.3	1.2	For bright field view
	20X(option)	0.40	8.0	1.2
	40X(option)	0.60	3.5	1.2
Phase-contrast objective	10X(option)	0.25	4.3	1.2	For phase contrast view, the objective phase shutter should be adapted with the cirque shutter in theconnser
	20X(option)	0.40	8.0	1.2
	40X(option)	0.60	3.5	1.2
Nosepiece	Quintuple
Condenser	Working distance 55mm, adapted for turntable type modulation contrast view
	Working distance 55mm, adapted for puller type modulation contrast view(option)
	Working distance 55mm, with phase-contrast device (option)
	Working distance 55mm with aperture diaphragm,adapted for bright field view(option)
Stage	Mechanical Stage, moving range 77mm (longitudinal)X134.5mm (transverse), detachable stage moving device
Focus system	Coaxial carse/fine focus with tension adjustable and up stop ,minum division of fine focusing is 2 um
Culture dish holder	Holder 1	86mm (W)X129.5mm (L), optional with a circular culture dish Ф87.5mm
	Holder 2	34mm (W)X77.5mm (L), optional with a circular culture dish Ф68.5mm
	Holder 3	57mm (W)X82mm (L)
Light source	6V/30W halogen lamp, adjustable in brightness