What is ISO 4241 - Specifications on Projection film leader trailer, and cue marks about ?
ISO 4241 discusses the specifications of Projection film leader (time-based), trailer, and cue marks.
ISO 4241 specifies the makeup or assembly of time-based leaders and cue marks for 70 mm, 35 mm, and 16 mm motion-picture release prints.
Orientation and dimensions of letters and numerals in ISO 4241 are with respect to 35 mm motion-picture films and are modified proportionally in accordance with ISO 4238 for 70 mm and 16 mm prints.
Who is ISO 4241 - Specifications on Projection film leader trailer, and cue marks for ?
ISO 4241 on specifications on Projection film leader trailer, and cue marks is useful for:
- Cinematographers
- Film directors
- Film editors
Why should you use ISO 4241 - Specifications on Projection film leader trailer, and cue marks ?
A film leader is a length of film attached to the head or tail of a film to assist in threading a projector or telecine. A leader attached to the beginning of a reel is sometimes known as a head leader, or simply head, and a leader attached to the end of a reel is known as a tail leader or foot leader, or simply tail or foot.
ISO 4241 specifies that the information appearing in the leader which is printed upright shall read normally when the reel is uppermost, and the head of the film hangs down ready for threading.
ISO 4241 provides information on the protective section, splicing frame, identification section, and synchronizing section of the head leader.
ISO 4241 also provides information on the splicing frame, runout section, identification section, and protective section of the foot leader.
What’s changed since the last update ?
ISO 4241:2019 supersedes BS ISO 4241:2013, which is withdrawn. This fifth edition cancels and replaces the fourth edition (ISO 4241:2013), of which it constitutes a minor revision. The changes compared to the previous edition are as follows:
- Change of the title
- Editorial revision of the structure of the document
