| Items | Specification | M12143A | M12143B |
| Eyepiece | Wide field WF10X(20mm) | ● | ● |
| Wide field WF16X(11mm) | ○ | ○ |
| Dividing 10X(18mm),0.1mm/Div | ○ | ○ |
| Objective | Plan achromatic PL 4X/0.10 | ● | ● |
| Plan achromatic PL 10X/0.25 | ● | ● |
| Plan achromatic PL 20X/0.40 | | ● |
| Plan achromatic PL 40X/0.65(Spring) | ● | ● |
| Plan achromatic PL 100X/1.25(Spring, oil) | ● | ● |
| Eyepiece tube | Binocular(Inclination of 30˚) | ● | ● |
| 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 | ● | ● |
| Dark field, Dry | ○ | ○ |
| Dark field, Immersion | ○ | ○ |
| Filter | Blue filter, Frosted filter | ● | ● |
| Green filter | ○ | ○ |
| Yellow filter | ○ | ○ |
| Collector | For halogen lamp | ● | ● |
| Light source | 6V 30W Halogen lamp with brightness control | ● | ● |
| Phase contrast unit | Eyepiece, Centering telescope | ○ | ○ |
| Objectives, Phase contrast plan achromatic 10X/0.25 PHP | ○ | ○ |
| Objectives, Phase contrast plan achromatic 20X/0.40 PHP(Spring) | ○ | ○ |
| Objectives, Phase contrast plan achromatic 40X/0.65 PHP(Spring) | ○ | ○ |
| Objectives, Phase contrast plan achromatic 100X/1.25 PHP(Spring,
oil) | ○ | ○ |
| (PH-¢ñ) Turnplate phase contrast condenser | ○ | ○ |
| (PH-¢ò) Turnplate phase contrast condenser | ○ | ○ |
| Flashboard phase contrast condenser | ○ | ○ |
| Pull board phase contrast condenser | ○ | ○ |
| Infinity optical system | Eyepiece tube, Binocular (Inclination of 30˚) | ○ | ○ |
| Eyepiece tube, Trinocular (Inclination of 30˚) | ○ | ○ |
| Eyepiece, Centering telescope | ○ | ○ |
| Objectives, Infinity plan achromatic 4X/0.10 | ○ | ○ |
| Objectives, Infinity plan achromatic 10X/0.25 | ○ | ○ |
| Objectives, Infinity plan achromatic 20X/0.40 | ○ | ○ |
| Objectives, Infinity plan achromatic 40X/0.65(Spring) | ○ | ○ |
| Objectives, Infinity plan achromatic 100X/1.25(Spring, oil) | ○ | ○ |
| Objectives, Infinity phase contrast plan achromatic 10X/0.25 PHP | ○ | ○ |
| Objectives, Infinity phase contrast plan achromatic 20X/0.40 PHP | ○ | ○ |
| Objectives, Infinity phase contrast plan achromatic 40X/0.65
PHP(Spring) | ○ | ○ |
| Objectives, Infinity phase contrast plan achromatic 100X/1.25
PHP(Spring, Oil) | ○ | ○ |
| CCD adapter | 0.4X | ○ | ○ |
| 0.5X | ○ | ○ |
| 1X | ○ | ○ |
| 0.5X with dividing 0.1mm/Div | ○ | ○ |
| Camera | DV-1(With USB & video output) | ○ | ○ |
| DV-2(With USB output) | ○ | ○ |
| DV-3(With video output) | ○ | ○ |
| Digital camera adapter | CANON Digital camera adapter(A610,A620,A630,A640) | ○ | ○ |
| Photograph unit | 2.5X/4X Change over photograph attachment with 10X viewing eyepiece | ○ | ○ |
