Zoom ring for Tamron 17-35 mm F/2.8-4 Di OSD

Zoom ring for Sigma 17-50mm F2.8 EX DC OS HSM

Zoom ring for Sigma 17-70 mm F2.8-4 DC OS HSM Macro C

Zoom ring for Sigma 17-70 mm F2.8-4.5 DC Macro

Length is referred to the floating arm only. Buoyancy +225 gr

Length is referred to the floating arm only. Buoyancy +11 gr

Focus ring for Sigma 20 mm-F/1.4 (A) AF DG HSM

Select length from the menu.

Length is referred to the floating arm only. Buoyancy +290 gr

Length is referred to the floating arm only. Buoyancy +30 gr

Length is referred to the floating arm only. Buoyancy +410 gr

Length is referred to the floating arm only. Buoyancy +51 gr

Length is referred to the floating arm only.

Focus ring for Sigma 70mm f/2.8 DG Macro Art

Length is referred to the floating arm only. Buoyancy +130 gr

Select length from the menu.