[Charles Martel]

A haze filter might not be as effective as a Killflash (which is pretty much designed for this purpose):

[1st I.D Vet]

for those of you interested in one of these hex type filters, I used to be in photography you can buy what is called a grid spot at any used camera store or online.

You could probably outfit your whole set of scopes with just one grid probably a 10 degree type (there are 3, 10, 30 and 40 degree grids)

[Still Thinking]

That would certainly booger them up. Shoot, just a long tube would do the trick as you won’t be pointing the scope at the detector, and it can’t detect what it can’t see.