知识
总倍率(目镜观察、液晶显示器观察)
Observation Through Eyepiece (Binocular Observation)
Monitor Observation
Total Magnification on Monitor
Practical Field of View for Monitor Observation
Figure 1 Video Camera Adapter and Projection Magnifications
| Video Camera Adapter (Projection Lens) | Projection Magnifications |
| U-TV1x+Video Camera Mount Adapters | 1× |
| U-TV0.63×C | 0.63× |
| U-TV0.5×C | 0.5× |
| U-TV0.35×C | 0.35× |
| U-TV0.25×C | 0.25× |
Figure 2 Imaging Device Size
| Camera Format | Diagonal | Horizontal | Vertical |
| 1/3" | 6.0mm | 4.8mm | 3.6mm |
| 1/2" | 8.0mm | 6.4mm | 4.8mm |
| 2/3" | 11.0mm | 8.8mm | 6.6mm |
The above table is for standard image device sizes. Check your device size for precise calculation.
Figure 3 Imaging Device Size and Monitor Magnifications
| Camera Format | Monitor Size (Diagonal) | ||
| 17" | 19" | 21" | |
| 1/3" | 72.1× | 80.3× | 90× |
| 1/2" | 54.1× | 60.2× | 67.5× |
| 2/3" | 39.3× | 43.8× | 49.1× |
Example
What is total magnifications for monitor when objective lens is 50x, video camera adapter U-TV0.5xC, 2/3" video camera, and 21 inch monitor are used?
Total Magnification on the Monitor
Practical Filed of View for Video Observation (Horizontal Side)
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