| Biological Objective | | Objective Optical System | Finite |
| Objective Optical Magnification | 4X |
| Objective Type | Achromatic Objective |
| Objective Parfocal Distance | 45mm |
| Objective for Mechanical Tube Length | 160mm |
| Objective Working Distance | 17.912mm |
| Numerical Aperture (N.A.) | N.A. 0.10 |
| Objective Cover Glass Thickness | 0.17 |
| Objective Immersion Media | Dry Objective |
| Objective Screw Thread | RMS Standard (4/5″x1/36″) |
| Objective Outer Diameter | Φ21.5mm |
| Surface Treatment | Electroplating Black |
| Material | Metal |
| Color | Black |
| Net Weight | 0.046kg (0.101lbs) |
| Applied Field | For BM0901, BM0201, BM1304, BM0504, BM0401, BM0203 Series Microscope, Motic SFC-4/SFC-3/E/SFC-100/SW35 Microscope |
