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Support Seamless Focus Gear Ring FAQ

What size rings are compatible with SIGMA Lenses? Last modified 04/29/20

Sigma LensesZoom RingFocus Ring
SIGMA 24-70mm f/2.8 EX DG HSM88-90mm88-90mm
SIGMA 14-24mm f/2.8 DG HSM Art88-90mm88-90mm
SIGMA 12-24mm f/4.0 DG HSM Art Zoom Lens81-83mm81-83mm
SIGMA 24-35mm f/2.0 DG HSM Art78-80mm85-87mm
SIGMA 70mm f/2.8 DG Macro Art*72-74mm
SIGMA 35mm f/1.4 DG HSM Art*78-80mm
SIGMA 18-35mm f/1.878-80mm75-77mm
SIGMA 16mm f/1.4 DC DN*69-71mm
SIGMA FE 24-70mm f/2.8 DG DN*78-80mm
SIGMA 45mm f/2.8*62.5-64.5mm
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