Product Overview: SIGMA Telephoto Zoom Lens Contemporary 3.9 - 15.7 inches (100 - 400 mm) F5-6.3 DG OS HSM Lens Tripod (Improved Version) From the lot of 19/4 and later the Arca-Swiss compatible plates have been revised for the mounting part of the head head.(There may be some loose in combination with some head heads before 19/3 lots. Product Features: Although the lens does not have an original tripod settings, this product allows you to attach it to a tripod for photography.(We use the shape of the rear of the lens to secure the tripod to the lens) The 100-400mm lens has a Canon mount, Nikon mount, or SIGMA mount, but we ensure that it can be installed without any issues. 2020/8/19: This tripod is a tripod compatible with the Contemporary 100-400mm F5-6.3 DG OS HSM lens.Please note that this product is not compatible with "Contemporary 100-400mm F5-6.3 DG DN OS" lens (Mirrorless: E-mount, L-mount) sold in 2020.Furthermore, we do not plan to sell compatible tripods, so please purchase a genuine tripod stand.