The gear ring belt is designed for HDSLR follow focus use such as Canon 7D 70D 60D 600D 650D 700D 5D Mark ii 5D Mark iii / EOS 550D / Rebel T2i / Kiss X4, specially for Canon EOS DSLR users, for EOS movie makers....Affordable lens gear ring belt.
Its lock knob provents belt slip out from lens.
It is compatible with all DSLR cameras, video cameras, HDV,DV, specially for HDSLR camera with movie function.
