|   |  Standard Specification | IB412 | 
		
			| Viewing head | Siedentopf Trinocular head inclined at 45°, Interpupillary Distance 50-75mm | ● | 
		
			| Eyepiece | Wide Field EWF10X/22 eyepiece | ● | 
		
			| WF10X/20 Cross Hair with 0.1mm Reticule | ○ | 
		
			| WF15X,WF20X eyepiece | ○ | 
		
			| Nosepiece | Sextuple Nosepiece | ● | 
		
			| Objectives | Long Working Distance Infinite Plan Aopchromatic Objectives:4X 40X objectives | ● | 
		
			| Phase contrast objectives 10X 20X | ● | 
		
			| Long Working Distance Infinite Plan Phase Contrast Achromatic Objective 20X | ● | 
		
			| LWD Infinite Plan Phase Contrast Achromatic Objective:10X 40X | ○ | 
		
			| Stage | Double Layers Mechanical Stage:305X180, Moving range:75X40mm | ● | 
		
			| Terasaki holder | ● | 
		
			| petri dish holder | ● | 
		
			| Slide glass holder | ● | 
		
			| Condenser | Abbe Condenser, working distance 28mm | ● | 
		
			| Phase Annulus | Contrast table 28mm | ● | 
		
			| Centering Telescope | Centering Telescope | ● | 
		
			| Focusing System | Coaxial Coarse&Fine Adjustment, Fine Division 0.001mm | ● | 
		
			| Illumination | Super Light LED lamp, Brightness Adjustable. | ● | 
		
			| Filters | Yellow, Green and Blue, and frosted Filters | ● | 
		
			| Optional Accessories | Photography Kit | ○ | 
		
			| High resolution COMS Digital Camera 1.3MP, 2.0MP, 3.0MP, 5.0MP, 9.0MP with software | ○ | 
		
			| Fluorescent Attachment | ○ |