1.Sharp stereo erect image over a vide field view. 
2.45° inclined and 360° rtational binocular head with locked-in eyepiece.The left ocular-tube with diopter adjustment ±5dp,The interpupillary distance is between 55-75mm 
3.Three kinds of 90° rotational objective selection:1x/2x,1x/3x,2x/4x. 
4.ZTX-10/ZTX-20 series supplied with pillar style stand, ZTX-10-W ZTX-20-W series supplied with arm curved style stand. 
5.Electric apparatus has CE approval 
6.Power supply 110V/60Hz or 220V/50Hz 
7.Each set packed in styorfoam and in an inner box.Four sets in one carton 
8.A wide range of optional accessories. 

Optional accessories:
1.Eyepiece WF5x,WF10x,WF15x,WF20x
2.Auxiliary objective 0.5x,0.75x,1.5x,2x
3.Video Attachment for Microscope
4.Darkfield stage,Φ94.5mm
5.Jewel tweezer
6.White/black workingplate,Φ95mm
7.Frosted glass working plate,Φ95mm
8.Fluorescent bulb 5W
9.Halogen bulb 12V/10W
10.Ring fluorescent lighting 8W & 10W
11.Wooden cabinet with lock and key/Aluminium case

 Technique data

Model	Eyepiece	Eyepiece	Working Stage	Illumination
ZTX-10	WF10×	Rotated 1×-2× 1×-3× 2×-4×	White/Black	Natural illumination
ZTX-10-W	WF10×		White/Black	Natural illumination
ZTX-10-C1	WF10×		White/Black	Natural illumination
ZTX-20	WF10×		Frosted glass	Incident illumination & transmitted illumination
ZTX-20-W	WF10×		Frosted glass	Incident illumination & transmitted illumination
ZTX-20-C2	WF10×		Frosted glass	Incident illumination & transmitted illumination
Optional accessories：0.5×、0.75x、1.5×、2×  Auxiliary Objective；WF5×、WF10×、WF15x、WF20× Eyepiece；Ring light

 Optical Data

Eyepiece	Stand Objective			Auxiliary Objective
				0.5X		0.75X		1.5X		2.0X
	Objective	Field of View	Working Distance	Field of View	Working Distance	Field of View	Working Distance	Field of View	Working Distance	Working Distance	Field of View
5X	1X	20	80	37.5	120	24	75	14	40	11	25
	2X	10	80	19	120	12	75	7	40	5.5	25
	3X	7	80	12.5	120	8	75	4.5	40	3.5	25
	4X	5	80	19	120	6	75	3.5	40	2.8	25
10X	1X	20	80	37.5	120	25	75	14	40	11	25
	2X	10	80	19	120	12	75	7	40	5.5	25
	3X	7	80	12.5	120	8	75	4.5	40	3.5	25
	4X	5	80	19	120	6	75	3.5	40	3	25
15X	1X	15	80	30	120	18	75	10	40	8	25
	2X	7.5	80	15	120	9	75	5	40	4	25
	3X	5	80	9.5	120	6	75	3.5	40	3	25
	4X	3.8	80	7	120	4.5	75	2.8	40	2	25
20X	1X	10	80	19	120	12	75	7	40	5.5	25
	2X	5	80	10	120	6	75	3.5	40	2.5	25
	3X	3.5	80	6.2	120	4	75	2.4	40	2	25
	4X	2.5	80	4.7	120	3	75	2	40	1.5	25