ARRI LPL Mount for RED® Ranger Camera allows ARRI LPL Signature Prime Lenses to be used with RED® Ranger BRAINs with a full frame, VistaVision sized sensor (DSMC2™ MONSTRO). ARRI's LPL to PL Adapter is also compatible allowing easy change from standard PL lenses to LPL lenses. An external LDS-2 port is present but not currently utilized. Once external LDS-2 metadata workflows are created, this port can be connected to a metadata recorder. With Signature Prime SUP 2.1, 4pin data port will have Cooke /i metadata available. Click here for more details. Shim Set (stackable to achieve necessary thickness)Silver .0127mm (0.0005")Amber .0254mm (0.001")Purple .0381mm (0.0015")Red .0508mm (0.002")Green .0762mm (0.003")Tan .1016mm (0.004")Blue .127mm (0.005") Specifications:Weight: 216g (0.5 lbs)Dimensions: 81.8 x 81.8 x 46.5 mm (3.2 x 3.2 x 1.8 in)