Holiday Break: Orders will be processed through the new year. Shipping will resume January 2nd due to annual inventory maintenance. . . . . . . . . Happy Holidays!
A seamless solution for using 136mm clamp-on accessories with the Canon 200-400mm f/4L IS USM. Simply remove the factory front ring and thread on our 136mm Front Ring and you'll have a fixed 136mm surface for attaching a matte-box, filter holder, or any other clamp-on accessory. Made from billet aluminum, anodized black for a durable, professional finish.