A telescope includes at least three lenses $)=(1\mathrm{.}50$ between the object and the eye. When the lens surfaces are ideally clean, the minimum reflection loss of light $($in percentage$)$ is approximately :

$78\mathrm{.}2\%$

$21\mathrm{.}8\%$

$11\mathrm{.}6\%$

$7\mathrm{.}9\%$