MOVEMENTS - Front
- pivot on horizontal axis.
and tilts of the lens standard have NO effect on perspective, but
they alter the plane of focus. (Just remember in a normal camera
we focus with the lens)
the front of the camera moves the centre of the image circle above
or below the centre of the film, however, the tilt does not change
which section of the image circle is recorded on film since the
optical centre of the lens and the centre of the film stay aligned.
With the front
tilted forward the point of focus on the cube is moved directly onto
the top surface. The Plane has been tilted to lie more parallel with
this surface and as a consequence the lower surface has been thrown
out of focus with the effect more pronounced at the bottom.
The imaginary lines of film and lens are no longer parallel.
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