Zoom Gear for Tokina AT-X Pro 11-16mm F2.8 (IF) DX lens
The zoom gear use on following port: a) use together with extension ring 30 and 8.5' dome port b) use together with extension ring 70 and 6' dome port c) use together with extension ring 20 and 8.5'' white balance port d) use together with extension ring 30 and 8.5'' white balance port
Dimension: 102 mm x 75 mm x 15 mm Weight: 45g / 6g Construction: Anodized aluminum alloy & Nylon
