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Short title: 35 mm angle of view vs focal length: Image title: Graph of diagonal, horizontal and vertical angles of view vs focal length for 35 mm film or sensors by CMG Lee.
Log-log graphs of focal length vs crop factor vs diagonal, horizontal and vertical angles of view for film or sensors of 3:2 and 4:3 aspect ratios by CMG Lee. The yellow line shows an example where 18 mm on 3:2 general APS-C is equivalent to 27 mm and yields a vertical angle of 48 degrees.
Colorized 35mm MF LF Comparison.svg This is a retouched picture , which means that it has been digitally altered from its original version. Modifications: to sgv & made b&w .
35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Typical crop factors are 1.26× – 1.29× for Canon (1.35× for Sigma "H") APS-H format, 1.5× for Nikon APS-C ("DX") format (also used by Sony, Pentax, Fuji, Samsung and others), 1.6× for Canon APS-C format, 2× for Micro Four Thirds format, 2.7× for 1-inch ...
This file was derived from: Super35 and Techniscope.svg: Author: Super35_and_Techniscope.svg: Voytek S. Based on Megapixie's png Image:Super35_and_Techniscope.png; derivative work: sn‾uǝɹɹɐʍɯ; Other versions: Derivative works of this file: 35 mm Full Frame.svg; Cinemascope 4 perf 35 mm film.svg
Wide-angle lenses (24–35 mm in 35 mm film format) cover between 84° and 64° Normal, or Standard lenses (36–60 mm in 35 mm film format) cover between 62° and 40° Long focus lenses (any lens with a focal length greater than the diagonal of the film or sensor used) [11] generally have an angle of view of 35° or less. [12]
The crop factor is sometimes referred to as the focal length multiplier ("Film") since multiplying a lens focal length by the crop factor gives the focal length of a lens that would yield the same field of view if used on the reference format. For example, a lens with a 50 mm focal length on an imaging area with a crop factor of 1.6 with ...
There is no precise definition of the term, but lenses marketed as "standard zoom" usually cover a range of at least 30mm to 70mm in terms of 35mm equivalent focal length with an optical zoom ratio of 2.5× (e.g. 28-70mm) to 5× (e.g. 24-120mm) — the most common being 3× (e.g. 24-70mm). [1]