Thanks , there are actually a number of minor annoyances I have with parkour and combat so I ' d be quite happy with improvements to both . <| sep |> I want this trade to happen so much lol <| sep |> No no no , this is dumb , what needs to happen is a lumberjack challenge where the teams face off in a rolling log event , best of 5 <| sep |> A armature here but this is how I see it and understand it DX Crop sensor cameras 1 . 5 x on to what ever your shooting for a Nikon I believeFX Full frame No cropYou can use both lenses on both camera versions but ! If you use a DX lens on a FX body you will get vignetting around the edge kinda like a black circle and not have to worry about cropIf you use a FX lens on a DX body you ' ll just not use all the frame in the lens but still have to apply the crop factor inI ' m sure Someone will give you a better understanding of it if I ' m wrong