PerspectiveAngle
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The PerspectiveAngle command sets the field of view of a perspective viewport using an angle or a camera's lens length and sensor size.
Steps
- Activate a perspective viewport.
- Run PerspectiveAngle.
- Set Measure and Angle to specify how the angle is measured.
- Enter an angle in degrees, or adjust the lens length and sensor size.
- Press Enter to finish.
Measure
Specifies which viewport dimension is used to measure the field-of-view angle.
ShortSide
Measures across the shorter dimension of the viewport.
Horizontal
Measures across the viewport width.
Vertical
Measures across the viewport height.
Diagonal
Measures between opposite corners of the viewport.
Angle
Specifies whether the entered value represents the full field-of-view angle or half of it.
Full
Uses the entire angle of view.
Half
Uses half the angle of view. For example, entering 30 sets a full angle of 60 degrees.
LensLength
Sets the camera's focal length in millimeters for the specified sensor size. Shorter lenses give a wider view; longer lenses give a narrower view.
SensorWidth
Sets the camera sensor width in millimeters.
SensorHeight
Sets the camera sensor height in millimeters.
To match a photo taken with an APS-C camera and a 33 mm lens
- Start PerspectiveAngle in a perspective viewport.
- Set SensorWidth to 23.5.
- Set SensorHeight to 15.6.
- Set LensLength to 33.
- Press Enter to finish.
These settings match the camera's field of view. The Properties panel displays a lens length of approximately 50.8 mm, the full-frame equivalent.