Fotodiox Pro, Premium Grade Tripod Lens Collar for Canon EOS EF USM Lens 70-300mm F4-5.6L IS, as Canon Tripod Mount Ring C
The Fotodiox Pro Lens Collar is made to replace the overpriced Canon C Collar without sacrificing quality and durability. The collar features the same safety lock as well as twist lock as the Original C collar to ensure the lens securely locks onto the collar.