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Support Seamless Focus Gear Ring FAQ

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

Sigma Lenses Zoom Ring Focus Ring
SIGMA 24-70mm f/2.8 EX DG HSM 88-90mm 88-90mm
SIGMA 14-24mm f/2.8 DG HSM Art 88-90mm 88-90mm
SIGMA 12-24mm f/4.0 DG HSM Art Zoom Lens 81-83mm 81-83mm
SIGMA 24-35mm f/2.0 DG HSM Art 78-80mm 85-87mm
SIGMA 70mm f/2.8 DG Macro Art * 72-74mm
SIGMA 35mm f/1.4 DG HSM Art * 78-80mm
SIGMA 18-35mm f/1.8 78-80mm 75-77mm
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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