\[
IM = \frac{0.2778vtf}{H}mm.
\]
Where:
$IM$ = image motion in mm.
$v$ = velocity of aircraft in kph
$t$ = shutter speed in sec.
$f$ = focal length in mm.
$H$ = flying height above the ground in m.
$IM$ = image motion in mm.
$v$ = velocity of aircraft in kph
$t$ = shutter speed in sec.
$f$ = focal length in mm.
$H$ = flying height above the ground in m.
