[Pre Order - allow extra time] Jobu Design Lens Collar Replacement Foot for Canon 500mm f/4 IS Lens Replaces Stock Foot on Tripod Collar, Arca-Type Compatible Design, Both 1/4"-20 and 3/8"-16 Mounts on Base, Anodized Aluminum Alloy Construction
[Pre Order - allow extra time] Jobu Design Lens Collar Replacement Foot for Canon 500mm f/4 IS Lens Replaces Stock Foot on Tripod Collar, Arca-Type Compatible Design, Both 1/4"-20 and 3/8"-16 Mounts on Base, Anodized Aluminum Alloy Construction