| Model | LY2001A | LY2001B |
| Eyepiece | Wide field WF10X(µ20mm) | |
| Objective | Plan achromatic objectives PL 4X/0.10 | Plan achromatic objectives PL 4X/0.10 |
| Plan achromatic objectives PL 10X/0.25 | Plan achromatic objectives PL 10X/0.25 | |
| Plan achromatic objectives PL 20X/0.40 | ||
| Plan achromatic objectives PL 40X/0.65(Spring) | Plan achromatic objectives PL 40X/0.65(Spring) | |
| Plan achromatic objectives PL 100X/1.25(Spring, oil) | Plan achromatic objectives PL 100X/1.25(Spring, oil) | |
| Fluorescence objectives FL 25X/0.65 | ||
| Fluorescence objectives FL 40X/1.00 (Spring, Glycerin) | ||
| Eyepiece tube | Trinocular (Inclination of 30˚) | |
| Focus system | Coaxial coarse/fine focus, with tensional adjustable and up stop minimum division of fine focusing: 2μm. | |
| Nosepiece | Quadruple(Backward ball bearing inner locating) | Quintuple (Backward ball bearing inner locating) |
| Stage | Double layer mechanical (Size:160mmX140mm, Move range: 75mmX50mm) | |
| Abbe condenser | N.A.1.25 Rack & pinion adjustable | |
| Filter | Blue filter | |
| Frosted filter | ||
| Collector | For halogen lamp |