Collimator/Reflector glass too opaque in low-light conditions

[Nealius]

In low-light conditions, particularly overcast, the HUD collimator or reflector gunsight glass for all modules becomes horribly opaque and gray, making it nearly impossible to judge terrain, obstacles, or line up on targets. It's even worse in VR.

Here's one example in the Hind, 2D. It's much worse in VR.