Guides & Resources
Glossary for Filmmaking Terms

Used to measure the actual amount of light that is striking the film in a select lens; such as a zoom lens. The "t-stop" is in red on the aperture ring. It is not to be confused with "f-stop" (which is a mathematically measurement) and is in white on the aperture ring.


Different version of the same shot.

Take Up Reel (or) Spool

Empty reel which gathers the film as it passes through the projector. Similarly, an empty spool that does the same task as it passes through the camera.


Informal term for actors and extras.

Technical Advisor

Individual with expertise in a particular field who provides advice for the production.


Device for transferring motion picture film to video tape.


Script written to be produced for television whose length is 42-48 long for a standard one hour TV show, often structured in the teaser/4-acts/tag format. A 1/2 hour sitcom has an average page count of 45-50 pp double spaced and usually consist of 2 acts with 4-6 scenes per act.


Writer who either adapts an existing work for production on television, or creates a new teleplay.

Three-Act Structure

Traditional storytelling sequence which includes (1) the set-up, (2) the complication, and (3) the resolution.

Three-Camera Format/Set-Up

Standard video-studio setup which utilizes three different cameras.