| Model | NCB-E300 |
| Optical system | Infinity corrected Achromatic optical system |
| Eyepiece | PL10X/20T High eye-point wide-field plan eyepiece, field of view: 20mm,effective exit pupil distance: 19mm, diopter +/-5 adjustable |
| PL10X/22T High eye-point wide-field plan eyepiece, field of view: 20mm, effective exit pupil distance: 19mm, diopter +/-5 adjustable |
| 0bjective | Infinity plan achromatic objective 4X,10X,20X,40X,100X |
| Infinity phase contrast objective 10X,20X,40X,100X |
| Infinity semi-apochromatic fluorescence objective 4X,10X,20X,40X,100X |
| Viewing head | 30°gemel binocular viewing head with 360° rotatable eyepiece tube, interpupillary adjustable distance: 50-75mm |
| 30°gemel trinocular viewing head with 360° rotatable eyepiece tube, interpupillary adjustable distance: 50-75mm, fixed spectroscopical ratio R:T=80%: 20% |
| 30°gemel trinocular viewing head(dedicated for fluorescence) with 360° rotatable eyepiece tube, interpupillary adjustable distance: 50-75mm, fixed spectroscopical ratio R:T= 50%:50% |
| 30°gemel digital viewing head(with 3.0/5.0 mega pixels) |
| Nosepiece | Reversed quadruple nosepiece |
| Reversed quintuple nosepiece |
| Stage | 150x140mm mechanical stage with underhand, moving range: 76x50mm, precision: 0.1mm, with damping clips |
| Condenser | N.A.1.25 Koehler illuminator condenser(with socket for phase contrast and dark-field accessories) |
| Focus adjustment | Integrated all-metal high-pressure die-casting (HPDC) body, precision transmission mechanism with pinion and rack. Coarse focusing scope: 30mm, with tightness adjustment and place limit set, fine adjustable precision: 0.002mm |
| LED fluorescent reflected illumination | UV2 ultraviolet long-pass type LED module, with intensity adjusting knob, and switch knob for bright field and fluorescence, central wavelength: 365mm |
| B4 LED fluorescence module dedicated for TB, with with intensity adjusting knob, and switch knob for bright field and fluorescence, central wavelength: 455mm |
| B1 band-pass type fluorescence module, with intensity adjusting knob, and switch knob for bright field and fluorescence, central wavelength:470mm |
| G1 band-pass type LED fluorescence module, with intensity adjusting knob, and switch knob for bright field and fluorescence, central wavelength: 560mm |
| Other various LED module for option, which can be custom-tailor according to the needs of clinical diagnosis. |
| Mercury reflected illumination | Mercury reflected fluorescent illuminator, 100W mercury lamp house, 100W DC mercury bulb(OSRAM/domestic) |
| Transmitted illumination | 100V-240V_AC50/60Hz wide range voltage, single high brightness 3W LED(predetermine filament center), intensity continuously adjustable |
| 100V-240V_AC50/60Hz wide range voltage, Philips 6V/30W halogen bulbs(predetermined filament center), intensity continuously adjustable |
| External battery supply | Power supply for at least 8 hours, rechargeable |
| Camera accessory | 1xCTV/0.5xCTV/0.35xCTV,3.2x photo ocular ,photo tube(with PK mount or MD mount), C-mount and relay lens |
| Other optional | Dark-field accessory, phase contrast accessory, polarizer/analyzer |
