Features
BOM1901 Series Operating Microscopes use fibre-optic cable for coaxial illumination and have different working distance and magnification. They are featured for flexible handling and easy operation. They have found wide application in ophthalmology, gynecology, ear-nose-throat, surgery and orthopedics etc..
Specifications
| Model | BOM1901-A | BOM1901-B | BOM1901-C | BOM1901-D |
| Binocular observation | Straight | 45° Tilted | Straight | 45° Tilted |
| Magnification | 6X | |||
| Value on handwheel for Magnification changer | 3-step magnification change: 0.6X, 1X, 1.6X | |||
| Focal length of objective | 4 objectives: F=200, 250, 300, 400mm Connecting screw: M38x0.75 |
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| Total magnification | 2.4X-12X | |||
| Beamsplitter | No | |||
| Demonstrator | ||||
| TV adapter | ||||
| Photo adapter | ||||
| Fine focusing range | 10mm | |||
| Filter | Built-in green and yellow filters | |||
| Balancing arm | 2-part arm | |||
| Illumination system | Coaxial illumination with cold light source fiber-optic cable, 12V 100W halogen lamp, brightness adjustable | |||
| Fiber-optic cable | 1600mm | |||
| Stand | table mount | |||
Notes 1: objectives with different working distance for applicable departments:
| Working distance | Applicable department |
| F=200mm | Ophthalmology, ear and nose |
| F=250mm | Surgery |
| F=300mm | Neurosurgery and brain surgery |
| F=400mm | Throat and gynecology |
Notes 2: Table of Optical Characteristics for BOM1401 series:
| Item | Nominal Value | |||||||||||
| Objective | F=200mm | F=250mm | F=300mm | F=400mm | ||||||||
| Value on magnification change knob | 1.6X | 1X | 0.6X | 1.6X | 1X | 0.6X | 1.6X | 1X | 0.6X | 1.6X | 1X | 0.6X |
| Total magnification | 12X | 7.5X | 4.7X | 9.6X | 6X | 3.7X | 8X | 5X | 3X | 6X | 3.8X | 2.3X |
| Linear field | 15.8 | 25.3 | 40.6 | 19.7 | 31.6 | 50.7 | 23.6 | 37.9 | 60.8 | 31.5 | 50.5 | 81 |
| Exit pupil diameter | 1.04 | 1.66 | 1.04 | 1.66 | 1.04 | 1.66 | 1.04 | 1.66 | ||||
| Exit pupil distance | 15.3 | |||||||||||
| Resolution | 67 | 44.5 | 29.7 | 60 | 35.4 | 27 | 47.2 | 31.5 | 23.6 | 35 | 27 | 19.8 |
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