Example 01 | On-Camera Flash
In this example, we have illustrated how to measure the placement of an on-camera flash mounted to the camera’s hot shoe.
This LED is 8 cm above the center of the camera, which means its value for Y = 0.08 m.
The LED is also centred on the X and Z axis of the camera meaning that its value for X & Z = 0.00 m
X, Y, Z = [0.0 , 0.08 , 0.0]
Example 02 | Portrait
In this example, we are using a camera that is mounted in portrait mode. The on-camera flash is still mounted to the camera’s hot shoe, but now the relative world-space is different.
This LED is 8 cm above the center of the camera, however, as the camera is in portrait ‘camera-up’ is now along the X axis. This means its value for X = 0.08 m.
The LED is also centered on the Y and Z axis of the camera meaning that its value for Y& Z = 0.00 mX, Y, Z = [0.08 , 0.0 , 0.0]
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If you are using a mobile phone, ensure the phone is in the same orientation as how you captured the calibration image when you measure the distances. |