The new QR11-LG Quick Release Plate comes with a 110mm working base, side bracket with cable access and 1/4”-20 accessory mount, compatible with standard Arca Swiss® clamps and heads. Designed to make the switch from landscape to portrait quick and easy, and with a side mount for optional accessories, the QR11-LG takes L-Bracket functionality into the 21st century.
Full compatibility list can be found here: www.3leggedthing.com/qr11.html