The Custom Brackets Digital PRO-SV Bracket is the studio version of the Digital PRO. It is an excellent choice for use Digital SLR cameras on a tripod with the optional QR tripod quick-release receiver. It allows the photographer to rotate the camera vertically and horizontally quickly and easily in studio settings. When using studio strobes or continuous lighting, the Digital PRO-SV Bracket on a tripod is a perfect match. PRO-SV Bracket requires a CUCUMP camera mounting plate and a CUQRQ quick release for use.