Aspect Ratio: Proportion of picture width to height. Projection Speed: The unit of measure for a wavelength of light. A photographic film whose base is fire resistant or slow burning as defined by ANSI and various fire codes. Q Higher resolution images are sharper, smoother, and contain more image detail, but are also larger in file size. Film Identification Code: Letter which identifies film type. Color Analyzer: A device for determining the correct printing light ratios for printing color negatives. DPX (Digital Picture Exchange) File: The most common file format used in digital post-production. Slow Motion: Color Correction: The altering of the color balance by modifying the ratio of the printing light values. | A lighting method that violates natural angles for artistic effect. 65 mm: The camera film format (size) for wide-screen formats such as IMAX. Rough Cut: Separation Masters: The term that refers to a numerical means for indicating the contrast or the photographic image. Aperture: (1) Lens: The orifice, usually an adjustable iris, which limits the amount of light passing through a lens. Safety Film: 4K: A digital image 4096 pixels wide. Calibration: Sets each device in the post-production pipeline to a specific standard. CINEMASCOPE: Trademark name of a system of anamorphic wide-screen presentation, the first commercially successful anamorphic system for the presentation of wide-screen pictures combined with stereophonic sound. Definition: The clarity or distinctness with which detail of an image is rendered. Color Balance: The perceptual appearance of a color image of film as a function of the ratio of exposures of each of the primary color records on the film. The change of direction (deflection) of a light ray or energy wave from a straight line as it passes obliquely from one medium (such as air) to another (such as glass) in which its velocity is different. Pan and Scan: ASA: Stands for American National Standards Institution, now International Standards Organization. Also called the characteristic curve. Blowup: Occurs when a smaller film format is increased to a larger format. Color Correction (Digital Color Grading): Process of adjusting the color and look of images in digital post-production. The negative record of photographic sound recording. This mathematical term is used to characterize deviations from a mean value. CCD (Charged Coupled Device): A chip with a fixed arrangement of sensors that convert light into electrical current. Film designed to carry positive images and sound tracks for projection. | It is still present in large quantities in storage vaults and archives and must be very carefully stored to prevent explosions. Making a copy of a film original on smaller format raw stock by optical printing; for example, printing a 35 mm original onto 16 mm stock. Digital Paint: Software tools and techniques to fix imperfections in digital images. Each electrical current is in proportion to the amount of light hitting each sensor on the CCD. A light meter designed to measure light reflected from the subject. Frame (film): The individual picture image on a strip of motion picture film. Release Negative: U Color Space: The range of colors a system is able to reproduce. Gate: The aperture assembly at which the film is exposed in a camera, printer, or projector. Causes include accidental exposure to light or x-rays, overdevelopment, using outdated film, and storing film in a hot, humid place. Artifacts are often a result of image processing. Using a reduced development time to compensate for overexposure, either intentional for effect or accidental. Resolving Power: T | The metallic finger, which advances the film one frame between exposure cycles. Average Gradient: A measure of contrast of a photographic image, representing the slope of a portion of a characteristic curve. Colors are complementary to the colors in the scene; light areas are dark, and dark areas are light. Super 16: (2) Camera: In motion picture cameras, the mask opening that defines the area of each frame exposed. f -Number: A symbol that expresses the relative aperture of a lens or f/stop. Scene. Frame-Index Marker: (35 mm only) Hyphen that occurs every four perforations to help locate position of frame line, especially in low-light level scenes. Sensitometric Curve: Any photographic process in which an image is produced by secondary development of the silver halide grains that remain after the latent image has been changed to silver by primary development and destroyed by a chemical bleach. A transparent, flexible material used as a base support for photographic emulsions. Sunlight: Determine whether it is offset from index marker by 0, +1, +2, or +3 perforations. Pitch: Stop Down: C With modern, higher contrast, sharper lenses and finer film grains, smaller CoC's may be desired since a smaller resulting spot on the film is reproducible. A device used to digitize film images. Use this offset to find frame line elsewhere in scene. In a color negative, colors are represented by their complementary color. The light objects of the original subject are represented by low densities and the dark objects are represented by high densities. The 70 mm prints produce and aspect ratio of 2.25:1 with 4-channel sound and a ratio of 2:1 with 6-channel sound. Static Electricity: Noise: | Newton (1) As applied to a photographic emulsion or developer, having a low contrast. Stop Motion: This glossary of motion picture terms is a list of definitions of terms and concepts related to motion pictures, filmmaking, cinematography, and the film industry in general. In theatrical projection, a two-bladed rotating device used to interrupt the light source while the film is being pulled down into the projector gate. The process of winding the film from the take-up reel to the supply reel so that the head end, or start of the reel, is on the outside. D ), Exposure Meter, Reflectance: A meter calibrated to read the amount of light, within a more restricted area, reflecting from the surface of a subject or an overall scene. Printed edge numbers are placed on the film by the lab, and can be coded for all materials so that any number of picture and sound rolls will have the same sequence. Latent-image edge numbers are put on by the manufacturer, and appear during development. Scanner (Film Scanner): Cinching: Practice of pulling the end of a film roll to tighten it.

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