The manfrotto sympla 20 flexible mattebox kit is equipped with two 4x4 filter holders one of which rotates to allow a polarising filter and protects the lens from stray light while also permitting fast lens changes the variable plate included component with its vertical and lateral micro adjusters allows easy and precise alignment of the lens accepts lenses from wide to telephoto the mattebox hood is made out of rubber to allow flexible adjustment the mattebox is compatible with al