About this item 

• Compatibility - SMALLRIG Swivel Collar Mounting Plate 4244 is designed for Sony Alpha 7 III / Alpha 7 IV / Alpha 7R III / Alpha 7R IV / Alpha 7R V / Alpha 7S III / Alpha 1 / Alpha 9 II / FX3 / FX30. It is also compatible with SMALLRIG Camera Cage (ID: 2087D / 3667B / 3639 / 4308 / 4183). The camera can be mounted with a plate for Arca, the cage can be inserted with the built-in plate for Arca. 
• Quick Switch and Release - This lens collar 4244 is designed to quickly switch between horizontal and vertical modes without adjusting the optical axis of the lens. The quick release design supports convenient storage and portability. 
• Quick Release Plate for Arca - The quick-release plate for Arca locks or unlocks the camera or cage in seconds, fits the tripod for Arca or for Manfrotto RC2. By simply unlocking a button, you can switch between horizontal and vertical shooting. 
• Full Screen Access - It retains full access to the LCD flip screen, battery cover, card slot and ports and features built-in pads that prevent scratches and twisting. 
• Multiple Mounting Points - The mounting plate is equipped with 1/4"-20 and 3/8"-16 threaded holes on the bottom, which can attach handles, magic arms, plates and other accessories. These attachments improve stability when shooting out of hand. In addition, there is a double head magnetic key in the base plate for easy installation and release. 
• Note: 1. Please remove the camera lens before installation. 2. Compatible with SMALLRIG Cage Kit 4198 / 3668B / 3669C / 3708 / 3710 / 4184, not compatible with cable clamp or side handle when shooting vertically.