Specification
| Optical system | Infinity optical system |
| Head | Trinocular head, inclination at 30°, interpupillary distance: 55 ~75mm, diopter +/-8 |
| Eyepiece | WF10X22, with eyecup |
| Objective | Infinity Phase-contrast objective PH4x, 10x, 20x, 40x |
| Nosepiece | Quadruple |
| Focus System | Coaxial coarse/fine focus, with tension adjustable and up stop, minimum division of fine focusing is 2μm. |
| Stage | Mechanical stage, 162x108mm, detachable mechanical stage moving range 110x74mm. |
| Condenser | Phase contrast condenser, N.A=0.8,W.D=72 |
| Slide | Phase contrast slide for 10x-20x-40x objective |
