SmallRig Rotatable Horizontal-to-Vertical Mount Plate Kit for Sony Alpha 7R V / Alpha 7 IV / Alpha 7S III / Alpha 7R IV 4148 is designed to quickly switch between horizontal and vertical modes without adjusting the lens optical axis. It locks the bottom of the camera via a 1/4"-20 screw and anti-twist pin and maintains full access to the LCD flip screen and ports and features built-in pads that prevent scratches and twisting. Compatible with Arca-type / Manfrotto RC2 tripod, the mounting plate can rotate by 90 degrees by unlocking a knob to switch between horizontal and vertical shooting. It's bottom 1/4"-20 and 3/8"-16 threaded holes also support Handle 2093C, etc. to enhance stability in handheld mode. The base plate can be used separately to meet your various needs, with a hinge arm at the battery door fitting the camera body perfectly for a better grip experience. It also comes with a strap slot, a 1/4"-20 threaded hole for the wrist strap, a quick-release plate, etc.; and a magnetic double-head wrench for easy installation and release.

Note:
 1. Only supports lens adapter ring of less than 63mm in outer diameter. Please first remove the lens adapter ring support (if any).
 2. This product is not compatible with Tamron lenses with USB-C ports, such as：
 Tamron 20-40mm f/2.8 Di III VXD（Sony E）
 Tamron 28-75mm f/2.8 Di III VXD G2（Sony E）
 Tamron 35-150mm f/2-2.8 Di III VXD（Sony E）
 Tamron 50-400mm f/4.5-6.3 Di III VC VXD（Sony E）
 Not compatible with Sony compact lenses, such as：
 Sony FE 24mm f/2.8 G
 Sony FE 40mm f/2.5 G