Opto-Edu (Beijing) Co., Ltd.
Opto-Edu (Beijing) Co., Ltd.
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| Specifications | |||||
| Model | A43.1901-A | A43.1901-B | A43.1901-C | A43.1901-D | A43.1901-E |
| Observation angle | 45° Tilted Binocular Observation Unit | ||||
| Magnification of eyepiece | 16X | ||||
| Focal length of objective | F=230mm & 280mm (Connecting screw: M58x0.75) | F=280mm (Connecting screw: M57x0.75) | |||
| Working distance | 215mm & 260mm | 265mm | |||
| Magnification changer | 0.4X, 0.66X, 1X, 1.5X, 2.5X 5-step magnification change | No | |||
| Total magnification | 2.9X-21.7X | 11X | |||
| Linear field | 11mm - 84mm | 24mm | |||
| Beamsplitter | 50:50 Beamsplitter | No | |||
| Demonstrator | Total magnification:2.1X-16.4X | Optional | |||
| TV adapter | C-mount 1/3" CCD attachable | No | |||
| Photo adapter | Optional | No | |||
| Fine focusing distance | 20mm | 60mm | 20mm | ||
| Balancing arm | Counterweight adjustable | No | Counterweight adjustable | ||
| Illumination system | Coaxial illumination with cold light source fiber-optic cable 12V 100W halogen lamp, brightness adjustable | ||||
| Filter | Green filter with frame, to be fitted on the objective when it is used | ||||
| Fiber-optic cable | 1300mm | ||||
| Stand | short column fitted on the round base with 5 jaws and a round counterweight ring | Column height adjustable fitted on the round base with 3 jaws | short column fitted on the round base with 5 jaws | ||
