What is BS 5550-2.9.3 – Cinematography about?
BS 5550-2.9.3 is a British standard and a part of the BS 5550 series that discusses the specification of projector spools for 16 mm film spools of 732 m capacity (43 cm size) for specialized equipment for cinematography. Cinematography sets and supports the overall look and mood of a film's visual narrative.
BS 5550-2.9.3 specifies the requirements for spools for 16 mm cinematograph film of 2 400 ft capacity.
Who is BS 5550-2.9.3 – Cinematography for?
BS 5550-2.9.3 on projector spools applies to:
- Manufacturer of the movie projector
- Manufacturer of a camera lens
- Camera engineers
- Quality testing personnel
Why should you use BS 5550-2.9.3 – Cinematography?
Cinematography sets and supports the overall look and mood of a film's visual narrative. The tower is designed with four spools, two on each side, each with its motor. This allows the whole spool to be immediately rewound after a showing, the extra two spools on the other side allow for a film to be shown while another is being rewound or even made up directly onto the tower.
BS 5550-2.9.3 ensures the quality of spools as the spool is proof against corrosion under normal conditions of use, and any finish is not detrimental to the film. BS 5550-2.9.3 also provides you with the general construction in which the hub is either solid or hollow, but its design is to provide for:
- The spindle mounting and drive
- A method of film attachment, and
- The finger holes
Overall, BS 5550-2.9.3 exemplifies the required dimensions and specifications that help you in cinematography.