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Super 8 and 8 mm film formats – magnetic sound stripes are shown in gray. Super 8 mm film is a motion-picture film format released in 1965 [1] [2] [3] by Eastman Kodak as an improvement over the older "Double" or "Regular" 8 mm home movie format.
The first camera to be formatted for the new film was the Kodak M2. During the late 1960s, cameras were only formatted to film at 18 frames per second, but as technology improved, speeds such as 24 frame/s (the motion-picture standard) and faster speeds (for slow-motion filming) were incorporated into camera mechanics.
EF-S lenses are built for APS-C 1.6x crop sensors, so they only work with models that use this sensor size. When EF-S lenses are used on a 35mm (full frame) camera the back element will hit the mirror assembly or cause substantial vignetting since the sensor is bigger than the image produced by the lens.
Lens speed is the maximum aperture diameter, or minimum f-number, of a photographic lens. A lens with a larger than average maximum aperture (that is, a smaller minimum f-number) is called a "fast lens" because it can achieve the same exposure as an average lens with a faster shutter speed .
The frame size of regular 8 mm is 4.8 mm × 3.5 mm, and 1 meter of film contains 264 pictures. Normally, Double 8 is filmed at 16 or 18 frames per second. Common length film spools allowed filming of about 3 to 4 + 1 ⁄ 2 minutes at 12, 15, 16, and 18 frames per second.
Standard 8 mm film, also known as Regular 8 mm, Double 8 mm, Double Regular 8 mm film, or simply as Standard 8 or Regular 8, is an 8 mm film format originally developed by the Eastman Kodak company and released onto the market in 1932.
24 frame/s to 96 frame/s (4× frame repetition): pulldown is 4:4; 24 frame/s to 120 frame/s (5× frame repetition): pulldown is 5:5; 24 frame/s to 120 frame/s (3:2 pulldown followed by 2× deinterlacing): pulldown is 6:4; Mainframe Entertainment used a novel process for its TV shows. They are rendered at exactly 25.000 frames per second; then ...
Speeds ranged from about 18 frame/s on up – sometimes even faster than modern sound film speed (24 frame/s). 16 frame/s – though sometimes used as a camera shooting speed – was inadvisable for projection, due to the risk of the nitrate -base prints catching fire in the projector.
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