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MX Cameras
Vicon MX Hardware System Reference 3-7
details on the MX Camera lens specifications in Appendix D Technical
Specifications.
Table 3-3 gives the formulae used to calculate the angle of view (AOV)
and field of view (FOV) for camera and lens combinations. These
formulae require the dimensions of the sensor area used for each of
the MX Cameras at different frequencies.
where:
f = focal length of the lens (mm)
h = horizontal width of sensor (mm)
v = vertical height of sensor (mm)
L = distance from the lens to the object (m)
For sensor size details, see MX Camera Specifications on page D-2.
As an example, consider an MX40+ camera with a 20 mm lens
operating at 160 Hz at a distance of 9 m from the target markers:
• Horizontal AOV would be:
2 x Tan
-1
(16.5/40) = 44.8 °
• Vertical AOV would be:
2 x Tan
-1
(12.1/40) = 33.7 °
• Horizontal FOV at 9m would be:
16.5 x (9/20) = 7.43 m
• Vertical FOV at 9m would be:
12.1 x (9/20) = 5.44 m
Important
These formulae take into account only the optical components of the camera
and lens, thus they calculate the maximum possible theoretical Field of View
from this combination. Poor illumination of the volume by camera strobes,
less than optimal aperture or gain settings, or poor marker surface quality
might all reduce the FOV in which a camera can recognize a marker below
this maximum theoretical level.
Please note when using these formulae that frequencies above the full-
Table 3-3: AOV and FOV formulae
Horizontal
AOV (°)
Vertical
AOV (°)
Horizontal
FOV
Width H (m)
Vertical
FOV
Height V (m)
2 x Tan
-1
(h/2f) 2 x Tan
-1
(v/2f)
h x L/f v x L/f
MXhardware_Reference.book Page 7 Monday, April 30, 2007 1:56 PM
- System Reference 1
- Vicon MX Hardware 1
- Contents 3
- Audience 9
- Structure 10
- Conventions 12
- Related documentation 13
- System Information 15
- MX Software 16
- MX Peripherals 16
- Third-Party Devices 16
- Environmental Regulations 17
- Safety Information 18
- Warranty 19
- CE Declaration of Conformity 20
- Introduction 23
- Vicon MX Architecture Models 25
- MX Bridge 29
- MX Bridge Rear Panel 31
- Supported Camera Modes 32
- MCam2 Cameras 33
- 14 for VCam/SVCam cameras 34
- Camera Select dial 35
- Camera Select 35
- MX Cameras 37
- Camera Lenses 39
- Field of View 40
- Figure 3-4: Image circle 42
- Aperture and Depth of Field 44
- Camera Lens Filters 44
- MX Camera Rear Panels 46
- Camera Lens Mount 49
- Tripod Mount 49
- Camera Strobe Units 50
- Strobe Unit Connections 51
- Strobe Unit Status Indicators 51
- Unassigned 53
- MX Control 55
- MX Control Rear Panel 58
- MX Host PC 67
- Ethernet Port on Host PC 68
- Vicon Software on Host PC 69
- Movie Capture Card on Host PC 70
- MX Link Front Panel 73
- MX Link Rear Panel 74
- MX Net Front Panel 77
- MX Net Rear Panel 79
- MX Sync Front Panel 81
- MX Sync Rear Panel 82
- MX Ultranet 85
- MX Ultranet Front Panel 86
- MX Ultranet Rear Panel 87
- MX Accessory Kit 93
- MX Cable Descriptions 97
- MX Cables 100
- Vicon Cameras 101
- MX Hardware Units 101
- MX Cable Order Information 102
- MX Calibration Kit 103
- Calibration Kit Contents 104
- MX Control Card Configuration 113
- Timecode and Genlock Option 114
- Ω (ohms) 114
- MX Control Standard Card 115
- Important 117
- Installing MX Option Cards 136
- Installing an MX Option Card 137
- Figure A-6: Vicon patch panel 139
- Figure A-7: 100-way cable 140
- Figure A-8: ADC edge socket 140
- GPIO and Remote Connections 141
- Electrical Specifications 142
- GPIO Functionality 144
- Custom GPO Programming 145
- GPO File Format 146
- GPO File Structure 146
- XML Header 149
- AllPrograms section 149
- GPO File Attribute Syntax 149
- Program Name Section 150
- Type Section 150
- Polarity Section 151
- StartEvent Section 151
- StopEvent Section 152
- StartOffset Section 152
- StopOffset Section 153
- PulseWidth Section 153
- Remote Functionality 154
- Remote Control Operation 155
- Remote Output Status Events 156
- MX Camera Lens Focusing 157
- Figure C-5: Camera focus ring 165
- Merged Markers 167
- Technical Specifications 169
- MX Camera Specifications 170
- MX40+, MX40 179
- MX Control Specifications 185
- MX Link Specifications 186
- MX Net Specifications 187
- MX Sync Specifications 188
- MX Ultranet Specifications 189
- Regulatory Notices 191
- 9) the appropriate boxes 193
- Medical Devices 194
- Female Male 197
- lb kg 197
- Section C. Device Information 199
- Product Configurations and 203
- Software Options 203
- Troubleshooting 205
- Support Resources 209
- Useful References 210
- Vicon Online Support (VOS) 210
- Documentation Feedback 213
- Customer Satisfaction Survey 215
- Glossary 217
- Aspect ratio 218
- Calibration wand 220
- Capture space 221
- .csm file 223
- Ghost marker 228
- Kinematics 230
- Motorcycle pose 232
- MX F-series Camera 233
- .obj file 235
- RealTime subject 238
- Rotation 239
- Secondary selection 240
- Subject calibration 242
- Trajectory 244
- Virtual point 246
- Walking speed 247
- .xml file 248
- Numerics 249
Verwandte Produkte und Handbücher für Sicherheitskameras Vicon IX 2000 L
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