Dark Field Unit Polarizing unit Phase Contrast Unit
Infinity Plan Objectives 40X Independent Phase Contrast Unit
| Items | Specification | BK300 | BK5000 |
| Eyepiece | WF 10X-18 mm | ●● | ○○ |
| WF 10X-20 mm | ○○ | ●● | |
| WF 16X-13 mm | ○○ | ○○ | |
| WF 10X-18 mm ( 0.1mm) | ○ | ○ | |
| WF 10X-20 mm ( 0.1mm) | ○ | ○ | |
| Plan Objective | 4X /0.10 | ● | |
| 10X /0.25 | ● | ||
| 40X /0.65 (S) | ● | ||
| 100X /1.25 (Oil) (S) | ● | ||
| 20X /0.40 | ○ | ||
| 60X /0.80（S） | ○ | ||
| Infinity Plan Objectives | 4X /0.10 | ● | |
| 10X /0.25 | ● | ||
| 20X /0.40 | ● | ||
| 40X (S) /0.66(S) | ● | ||
| 100X /1.25(Oil) (S) | ● | ||
| 2.5X /0.07 | ○ | ||
| 60X /0.80（S） | ○ | ||
| Seidentopf Binocular Head |
Inclined 30°,Rotatable 360°, Interpupilary Distance 50 -75mm |
● | ● |
| Trinocular Head |
Inclined 30°,Rotatable 360°, Interpupilary Distance 50 -75mm, Light Distribution: 100: 0 / 80:20 |
○ | ○ |
| Nosepiece | Quadplex | ● | ○ |
| Quintuple | ○ | ● | |
| Mechanical Stage |
Stage Size: 190X140mm,Travel: 78mm×55mm Coaxial Coarse and Fine Focusing Knobs Two Slide Holder |
● | ● |
| Condenser | Abbe N.A. 1.25 (Iris Diaphragm) | ● | ● |
| Swing out condenser N.A.0.9/0.13 | ○ | ○ | |
| Koehler Illumination | 6V/20W Halogen Lamp | ● | ● |
| 6V/30W Halogen Lamp | ○ | ○ | |
| 3W-LED Illumination | ○ | ○ | |
| Polarizing Attachment | Analyzer / Polarizer | ○ | ○ |
| Phase Contrast Unit |
Quintuple hole turret
10X /20X /40X /100X phase contrast objective
|
○ | |
|
Independent slot
10X /20X /40X /100X phase contrast objective
|
○ | ||
| Dark Field Unit | N.A.0.9 (Dry) | ○ | ○ |
| C-mount | 1X | ○ | ○ |
| 0.57X (Focus adjustable) | ○ | ○ | |
| Fluorescence Attachment | Epi Fluorescence unit ( six-hole disc,U/V/B/G) | ○ | ○ |
| Epi Fluorescence unit (three-hole slide,B/G) | ○ | ○ | |
| Field Diaphragm | ● | ● | |
| Filter | Blue | ● | ● |
| Green | ○ | ○ | |
| Amber | ○ | ○ |
