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| Catalogue Number | 4.681 238 |
| Manufacturer | Kern |
| Manufacturer P/n | OBS 105 |
| Alternative Ref | OBS105 |
| Stage (WxD) | 115 x 125 mm |
| Inclination angle tube | 45° |
| Tube | Monocular |
| Depth stage mm | 125 |
| Magnification objectives | 4x, 10x, 40x |
| Condenser | Abbe N.A. 1,25 |
| Type of illumination | Transmitted illumination |
| Type of auxiliary energy | Battery/mains connection |
| Plug type | EU |
| Depth mm | 300 |
| Revolving nosepiece | 4-fold |
| Type | OBS 105 |
| Magnification eyepieces | WF 10x/18 mm |
| Width mm | 130 |
| Width stage mm | 115 |
| Battery/rechargeable battery | 3 x 1.2 V, AA, NiMH |
| PK | 1 |
| Dimensions (WxDxH) | 130 x 300 x 310 mm |
| Light type | LED |
| Height mm | 310 |
| Weight kg | 3 |
| Warranty | 2 years |
| Alternative Reference: | OBS105 |