F15-300mm Visible Zoom Lens
F15-300mm Visible Zoom Lens
Optical Lens Assemblies
Optical Assemblies
PARAMETER:
The F15-300mm zoom lens is mainly used in visible light band to detect specific targets or regions and transmit TV images and focal length information in real time.
The f15-300mm zoom lens is mainly used in visible light band to detect specific targets or regions and transmit TV images and focal length information in real time.
|
Teperature (℃) |
Visibility （Km） |
Relative humidity (%) |
|
|
Visible light imaging |
25 |
15 |
80 |
|
Enhance to penetrate the fog |
25 |
1-8 |
80% |
- （lx).
The F15-300mm zoom system is composed of visible light zoom lens, control circuit board and power supply circuit board. The visible light zoom lens includes CCD, optical lens, diaphragm, potentiometer, micro-dc motor, CAM and other structural parts.
3 Optical lens design
|
Parameters Item |
Design Result |
||
|
1 |
Zoom ratio |
20x |
|
|
2 |
Focal length |
f′=15mm~300mm |
|
|
4 |
Horizontal field |
||
|
5 |
Visual discrimination(Design value) |
Short focus(Wide field of view) |
≥200lp/mm |
|
Long focus(Wide field of view) |
≥180lp/mm |
||
|
6 |
OTF（Characteristic frequency：145lp/mm） |
MTF |
≥0.2 |
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