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Technique

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Network Cameras: Angle-of-View Calculator

Network Cameras: Angle-of-View Calculator

July 2014

Canon has produced an online and downloadable Angle-of-View Calculator for its range of high-quality Network Cameras which allows users to check and see what size subjects captured with the camera will be displayed on their monitor.

The calculator operates with a number of variables for Canon’s Network Cameras, including the ‘object’ being viewed, the camera being used, aspect ratio, object distance, focal length and units (centimetres and metres or inches and feet) – and then gives users the option to display the results with an accompanying diagram via the ‘Display image’ button. The calculator also features the ability to count the number of pixels necessary to distinguish between identification, recognition and detection.

To use the Canon Angle-of-View Calculator for Network Cameras please click here.

Alternatively you can download the Angle-of-View Calculator by clicking here.

Please ensure that you have read and understood the following notes before using this software:

  • Simulation results are reference values only. Check actual display size on site before operation.
  • The simulated image provides a general idea of the size at which the subject will be displayed relative to the image display range of the viewer.
  • The actual size and angle of view at which the subject is displayed may differ.
  • This software simulates zoomed up images by enlarging the displayed image. The subject in simulated images may therefore appear to be blurry. However, zoomed up images in actual video captured by the camera will not be blurry as long as the subject is within the range of the optical zoom.
  • This tool doesn't support the 4:3 aspect ratio for VB-H41, VB-H610VE, VB-H610D and VB-H710F.
  • The original VB-S30D focal length ranges from f = 2.25 to 7.88[mm]. However, this tool enables simulation at a range of f = 2.3 to 7.8[mm].
  • If it’s necessary to have a print of a simulation result, please take a screenshot and then print it.
  • Details and features of this software may be changed without prior notice.

Recommended operating environment

Operating system: Windows Vista / 7 / 8
Browser: IE 9 / 10
Memory: 256MB
Display resolution: 1024x768 or larger
Disk space requirements: 10MB or more