
The ring canon B, for tripod is specially designed for the macro lens CANON 100mm f2.8, will give you better stabilization when you mount your camera with this lens, do not let your photo ruin a slight vibration
The Canon tripod ring B (black color) is the tripod collar for the 100mm f/2.8L Macro USM, EF 100mm f/2.8 Macro USM, MP-E65mm f/2.8 and EF 180mm f/3.5L USM Macro. A step-down adapter is included.
The ring canon B, for tripod is specially designed for the macro lens CANON 100mm f2.8, will give you better stabilization when you mount your camera with this lens, do not let your photo ruin a slight vibration