| Optical system |  						Color corrected infinity optical system |  					
 					 						| Head |  						Gemel binocular head, 450 inclined, interpupillary distance adjustment range 54-75mm, one eyepiece tube with ±5 diopter adjustment |  					
 					 						| Gemel trinocular head, 450 inclined, light splitting ratio: binocular 100%; binocular 80%/trinocular 20% |  					
 					 						| Eyepiece |  						PL10X22mm high eye-point plan eyepiece |  					
 					 						| PL15X16mm high eye-point plan eyepiece |  					
 					 						| Objective |  						Infinity long working distance plan achromatic objective:  						LWDPL4X/0.1/WD22 LWDPL10X/0.25WD7.94 LWDPL20X/0.40WD7.66? LWDPL40X/0.60/WD3.71 LWDPL60X/0.70/WD2.50 |  					
 					 						Infinity long working distance plan phrase contrast objective:  						LWDPL10X/0.25WD7.94 LWDPL20X/0.40WD7.66 LWDPL40X/0.60/WD3.71 |  					
 					 						| Nosepiece |  						Reversed quintuple nosepiece |  					
 					 						| Focus system |  						Coaxial focus system, working distance of every circle: 38mm/coarse focus, 0.2mm/ fine focus,, minimal read 0.002mm/ |  					
 					 						| Stage |  						160x250mm platform, glass stage/ metal stage, extension plate |  					
 					 						| Attachable mechanical stage |  						Low position coaxial mechanical stage, move range 120x78mm |  					
 					 						| Specimen holder |  						Holder for specimen glass (also for φ54mm Tissue culture vessel).  						Terasaki holder(also for φ65mm Tissue culture vessel).  						Holder for φ35mm Tissue culture vessel |  					
 					 						| Illuminator |  						Critical illumination, 90-240V wide voltage, 6V/30W halogen bulb, center presetting, brightness adjustable. N.A.0.3 condenser, W.D.72mm, dismountable. |  					
 					 						| Kohler illumination, 90-240V wide voltage, 6V/30W halogen bulb, center and focus adjustable, brightness adjustable. N.A.0.3 condenser, W.D.72mm, dismountable. N.A.0.5 condenser for option, dismountable |  					
 					 						| Phase contrast slider |  						Phase center adjustable slider for 0.3 condenser, with adjusting tools |  					
 					 						| Phase center presetting slider for 0.3 condenser |  					
 					 						| Phase center adjustable slider for 0.3 condenser |  					
 					 						| Phase center adjustable slider for 0.5 condenser |  					
 					 						| Filter |  						¢45mm contrast green filter, color temperature change filter, infrared eliminate filter, rubidium glass filter |  					
 					 						| Photo attachment |  						Photo tube(with PK adaptor), 3.2X lens |  					
 					 						| Video attachment |  						0.5X/0.67X C mount adaptor |  					
 					 						| Other optional functions |  						Professional fluorescence (use special fluorescence objective, illuminator and accessory) |