Periscopes.. Partial raise/lower

[Black_Hawk70]

Originally Posted by scar3tactics

Does anyone know how often this was actually used? Looking at the interior of subs it seems like there's a pretty limited range of where the scope eyepieces are exposed and usable. Anything lower than full extension seems like it would be murder on the observers back

I think I'd probably prefer the backache over the increased chance of detection, due to a fully extended scope.