Camera Field Of View - Brainlab VectorVision System User's Manual

OPERATING TOUCHSCREEN & CAMERA
6.3.2

Camera Field of View

About the Camera Position the camera so that it is centered on the camera field of view. Optimal working distance is
Field of View 1.2 to 1.8 m from the camera to the operating field.
If instruments are not in camera field of view, they cannot be tracked.
The navigation software camera displays and the camera field of view dialog (see Software User
Guide) help you to determine the best camera position.
Ensuring Accuracy
System User Guide Rev. 1.6 VectorVision
Measurement precision in a plane perpendicular to viewing direction of camera is
higher than precision along the direction of camera view. Take this into account when
positioning the patient.
To ensure optimum accuracy, the tracking sensor requires a warm-up period at room
temperature of approximately 20 minutes.
Ensure that all highly reflective items or sources of light do not obstruct the camera's
view. Artifacts caused by reflections can reduce accuracy, especially during registra-
tion.
Figure 41
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