NBLR-I4
| Optical System | Infiniy Optical System | |
| Head | Siedentopf Binocular Head, 45° Inclined, 360° Rotatable, Interpupillary 48-75mm | |
| Eyepiece | Wide Field Eyepiece WF10×/22,Eyepiece Tube Diameter 30mm | |
| Nosepiece | Backward Quintuple Nosepiece | |
| Objective | LWD Infinity Plan Achromatic Objective 4x//0.10 W.D.=22 | |
| LWD Infinity Plan Phase Contrast Objective | 10x/0.25 W.D.=6 | |
| 20x//0.4 W.D.=3.1 | ||
| 40x/0.55 W.D.=2.2 | ||
| Focusing | Coaxial Coarse & Fine Adjustment, Fine Division 0.002mm, Moving Range Up 4.5mm / Down 4.5mm | |
| Condenser | ELWD Condenser N.A.0.3, Long Working Distance 72mm, | |
| Without Condenser Reach 150mm Enough For Petri Dish | ||
| Phase Contract | Centering Telescope (φ30mm) | |
| Phase Annulus Plate 10x,20x,40x (Adjustable) | ||
| Working Stage | Large Plain Working Stage 230×170mm | |
| Glasse Insert | ||
| Attachable Mechanical Stage,X,Y Coaxial Control,Moving Rang 80×120mm | ||
| Auxiliary Stage | ||
| Terasaki Holder | ||
| Petri Dish Holder φ38 | ||
| Petri Dish Holder φ54 | ||
| Illumination | 6V/30W Halogen Lamp, Brightness Adjustable | |
| Filter | Blue,Green, Frosted Glass, DIa. 45mm | |
