Total Magnification (Eyepiece Observation, Video Monitor Observation)
Knowledge
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
Monitor Size (Diagonal)
Camera Format
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 Field of View for Video Observation (Horizontal Side)