| 摘要 |
The invention concerns a main interchangeable magnifying optical module with multiple steerability, a mirror screen with multiple steerability comprising a zoned lens, an interchangeable rotary prismatic module (37), a direct vision optical module, articulated arms, a lamp (3), an antireflection filter a (12), at least one transparent antibacterial filter (38), an additional reflecting mirror, the whole assembly constituting a light and compact device, enabling dentists to operate more accurately, with great physical and visual comfort. |
