How does rhinoceros 5 change its perspective?

Vision can be arbitrary. Shift+ right mouse button to drag the screen at will, Alt+ right mouse button to zoom (the range can be large or small), and mouse wheel to zoom. You can try more yourself.

viewing angle, the angle between the line of sight and the vertical direction of the display, etc., and the angle between the light rays from two ends (up, down or left and right) of the object when observing the object. The smaller the size of the object, the farther away from the observer, the smaller the viewing angle. The minimum visual angle at which a normal eye can distinguish two points on an object is about 1 point.

The angle between the line of sight and the vertical direction of the display, etc., the reflection of the screen is different in all directions, and the farther away from the center of the screen in the horizontal direction, the lower the brightness; The viewing angle when the brightness drops to 5% is defined as the viewing angle.

the brightness of the image is satisfactory when viewed within the viewing angle; The brightness of the image is not enough when viewed from outside the viewing angle. Generally speaking, the greater the gain of the screen, the smaller the viewing angle (metal curtain); The smaller the gain, the larger the viewing angle (white plastic curtain, because of taking care of students, the educational curtain is mostly white plastic curtain). Glass bead curtain is more popular.

the angle formed by the intersection of two rays emitted from two ends of an object in the eyeball. The smaller the object, the farther the distance, and the smaller the viewing angle.

the included angle between the two points with the largest distance on the scene captured by the camera lens and the connecting line of the lens. The angle of view is inversely proportional to the focal length.