Maybe one of these similar products would be of interest:-

VILTROX 20mm f2.8 FE, 20mm f/2.8 e-Mount Full Frame AF Photography Camera Lenses, Prime Wide Angle Lens for Sony e Mount a7cr a7cii a7c a6700 zv-e100 a6600 a6400 a7iv a7iii

iShoot 82mm Lens Collar Tripod Mount Ring Compatible with Sigma 100-400mm f/5-6.3 DG DN OS and Sigma 105mm f/1.4 DG HSM Art, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate

Tripod Mount Ring Lens Collar Support Holder Bracket Compatible with Sigma 100-400mm f/5-6.3 DG DN OS (E/L Mount) & Sigma 105mm f/1.4 DG HSM Art (EF/FX/FE/L Mount) Lens, Bottom is Arca-Swiss Fit Plate

Sigma EX 10-20mm F/4.0-5.6 HSM DC Lens

Sigma 10-20mm f/3.5 EX DC Wide Angle Lens for Canon