Maybe one of these similar products would be of interest:-
Canon EF 300mm f/4L IS USM Telephoto Fixed Lens for Canon SLR Cameras - 2530A004 Black
USED Canon EF 300mm f2.8 L IS II USM Lens
Canon EF 300mm f/4L IS USM Telephoto Fixed Lens for Canon SLR Cameras - 2530A004 Black
USED Canon EF 300mm f2.8 L IS II USM Lens