Description
OBN 135 transmitted light microscope, Trinocular, incl. eyecups and dust cover
Professional line. Professional, fully equipped transmitted light microscope (bright-field) with ergonomic design and unparalleled quality. For translucent, low-contrast, challenging specimens (e.g. living mammalian cells, bacteria, tissues).
- The professional Köhler illumination with adjustable field diaphragm and centerable and height-adjustable 1.25 Abbe condenser with adjustable aperture cover enables perfect illumination of the specimen, with no negative flare effects
- The infinity corrected optics ensure top-class image quality
- The 5-slot lens revolver is fully equipped with five high-quality, infinitely corrected PLAN lenses (4x/10x/20x/40x/100x) with maximum edge definition
- The mechanical cross table ensures fast working and positioning of the specimen. It features a coaxial coarse and fine focus drive fitted on both sides for adjusting the height and focussing on the specimen
- With strong, infinitely dimmable 3 W LED transmitted light illumination
Optional accessories (please order separately):
- 60x infinity lens (planachromatic, spring)
- 100x infinity lens (planachromatic, spring) with water immersion
- Darkfield condenser to increase contrast of small, unstained structures
- Polarisation unit for imaging polarised light
With trinocular head for mounting a microscope camera on the phototube using C-mount adapter. Please order C-mount adapter separately.
Delivery incl. colour filter (blue, integrated), eyecups and dust cover.
Technical Information
| Type | OBN 135 |
| Version | basic |
| Tube | trinocular |
| Total magnification | 40x, 100x, 200x, 400x, 1000x |
| Magnification type | turret |
| Ocular magnification | super wide angle (HWF) 10x |
| Lenses | planachromatic |
| Lens arrangement | 5-way, tilted backwards |
| Lens magnification | - 4x / N.A. 0.10, W.D. 12.1 mm - 10x / N.A. 0.25, W.D. 4.64 mm - 20x (spring) / N.A. 0.40, W.D. 2.41 mm - 40x (spring) / N.A. 0.66, W.D. 0.65 mm - 100x (spring, oil) / N.A. 1.25, W.D. 0.19 mm |
| Field of view | 20 mm |
| Dioptre compensation | on both sides |
| Angular observation | 30 ° |
| Head | can be rotated 360° |
| Distance between eyepieces | 50-75 mm |
| Condenser | Abbe N.A. 1.25 centerable with aperture cover |
| Köhler illumination | yes |
| Light source | LED |
| Type of lighting | transmitted light |
| Image focusing | coaxial coarse and fine focus with scale: 2 µm |
| Optics | infinite |
| Microscope stage | 175 x 145 mm area coaxial x/y travel range 78 x 55 holder for two slides |
| Power supply | mains-powered |
| Mains connection | 100-240 V, 50/60 Hz |