J-Lar:
A transparent tape which is used to splice jels together. (Grip/Lighting)
Jam Sync:
A process of locking a time code generator to an existing coded tape in order to extend or replace the code, used when code is of poor quality.
Japanese Lantern:
A paper-covered wire frame globe into which a socket and bulb may be placed. (Lighting)
Jib Arm:
A mechanical are which is supported on a dolly, tripod, or other device, which is counterweighted to hold a camera for an increased range of motion. (Production)
Juicer:
An electrician.
Jump-Cut:
An editorial device where the action is noticeably advanced in time, either accidentally or for the purpose of creating an effect on the viewer. (Film Editing)
Junior:
A 2K fresnel light unit. It may also mean any 1 1/8 inch spud or mounting pin or any 1 1/8 inch female receiver. (Grip)
