Sony BP-U60T Li-ion Battery (56Wh) with Power Out Terminal Brand_Op/Tech USA the RT-1 can be used

the RT-1 can be used to attach the lens to a tripod instead of attaching the camera's body directly to the tripod

and Wonder

Battery grip BG-E13 dedicated for the EOS 6D can accommodate two LP-E6 batteries for prolonged shooting time

All of this plus outstanding ZEISS resolution and contrast make this lens an ideal match for full-frame α7 series bodies

and a long list of Hollywood heavy-hitters are proving that this under-$1

Sony BP-U60T Li-ion Battery (56Wh) with Power Out Terminal Brand_Op/Tech USA the RT-1 can be usedThe BP U60T (85 Wh) Lithium ion battery supports professional video shooting in both the field and the studio. The battery has a 4 Pin 2A (Max) power output. The BP U60T powers XDCAM handy camcorders such as the PMW 200, PMW 150 andPMW 100, as well as the PMW 50 portable deck. The battery provides power for more than two hours, depending on the camcorder.