The Shift Lens Support V3 for Laowa 15mm f/4.5 and Laowa 20mm f/4 Shift Lenses from Venus Optics is a lens support that is compatible with both 15mm f/4.5 Zero-D Shift and 20mm f/4 Zero-D Shift lenses. The rotating ring is specifically designed to retain the axis of the image when changing orientations and shifting. Retaining axis orientation is especially important to achieve perfect stitching for panoramic photography. This shift lens support features precision scales, making precise adjustments much easier. It features an integrated Arca-type foot for easy mounting on most tripod heads.