should the cut off be ontop, or on the bottom? it makes sense for me to have it on top.... when i got my is300 fogs and put them on each side of the tc where they would go, the cut offs were on top. so that confused me because people are flipping the cut off. which way should it be? thanks

 

The cutoffs should be on the bottom. This is due to the nature of a convex lense. If u ever look into a convex lense u will notice that the picture is flipped upside down. So if you put the cutoff on the bottom, it will actually project upside down and the result will be that the upper half of the light output is cutoff (and that is what u want)

 

yeah, today i bench tested it, and i saw that the cut offs flip. weird, i had no idea it worked like that