t_D = 2 \cdot \frac D c = 2 \cdot \frac {2.5\;\mathrm{m}} {300\;000\;000\;\frac{\mathrm{m}}{\mathrm{s}}} = 0.000\;000\;016\;66\;\mathrm{s} = 16.66 \;\mathrm{ns}[REF] .
For amplitude modulated arrays, the pulse width of the illumination determines the maximum range the camera can handle.