axis of tilt

axis of tilt

[′ak·səs əv ′tilt]
(graphic arts)
A line through the perspective center perpendicular to the principal plane.
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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.
United States : Canon U.S.A. Expands Its Lens Portfolio With The New Ef 85mm F/1.4l Is Usm Lens And Their First-Ever Macro Tilt-Shift Lenses
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.
Steering mechanism and efforts on the NERVA space launcher

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