NISP-7
| System | Infinity Optical System |
| Head | Seidentopf Trinocular |
| Eyepiece | EW10x/22mm, Extra Wide Field |
| Nosepiece | Quadruple |
| Quintuple | |
| Objective | Infinity Plan Long Working Distance Achromatic Objective |
| --4x/ 0.1/ ∞/- | |
| --10 x/0.25/ ∞/- | |
| --20x/ 0.4/ ∞/- | |
| --40x/ 0.6/ ∞/0 | |
| Infinity Plan Long Working Distance Achromatic Objective | |
| 5x/0.12/ ∞/- | |
| 10 x/0.25/ ∞/- (BF/DF) | |
| 20x/ 0.4/ ∞/-(BF/DF) | |
| 50x/0.75/ ∞/- | |
| 100x/0.80/ ∞/0 | |
| Focusing | Coaxial Coarse & Fine Adjustment, Range24mm |
| Working Stage | Large Working Stage Size 300*268mm, Extra Large Moving Range 250*250mm, Fast Movement, Precision Adjustment |
| Illumination | 6V/ 20W Halogen Lamp, Brightness Adjustable |
| 24V/100W Halogen Lamp, Brightness Adjustable, With Dark Field | |
| Filter | Green, Blue,Yellow, Ground glass |
