axis of tilt

axis of tilt

[′ak·səs əv ′tilt]
(graphic arts)
A line through the perspective center perpendicular to the principal plane.
References in periodicals archive ?
The rotation of the tilt-shift lenses also allows users to freely change the axis of tilt movement and shift from right angles to parallel to better adapt to various shooting conditions and situations.
The following values for the aerodynamic coefficients of lift and moment in respect to the axis of tilt drawn in Figure 1 were found, as reproduced in diagrams 3 and 4.