EN: Hyperfocal distance
Using the depth of field principle, as a lens is gradually focused to farther subject distances, a point will eventually be reached where the far limit of the rear depth of field will be equivalent to infinity. The shooting distance at this point, i.e., the closest shooting distance at which infinity falls within the depth of field, is called the hyperfocal distance. The hyperfocal distance can be determined as follows: Hyperfocal distance = f² / (d ∙ F) f: focal length F: F number d: minimum circle of confusion diameter Thus, by presetting the lens to the hyperfocal distance, the depth of field will extend from a distance equal to half the hyperfocal distance to infinity. This method is useful for presetting a large depth of field and taking snapshots without having to worry about adjusting the lens focus, especially when using a wide-angle lens. (For example, when the EF 24mm is set to f/11and the shooting distance is set to the hyperfocal distance of approximately 1.5m/4.9ft, all subjects within a range of approximately 70cm/2.3ft from the camera to infinity will be in focus.)
Canon glossary EU
Technically, it is the distance between the camera and the hyperfocal point (See below). But, in practice, Hyperfocal distance is a lens setting technique that allows you to shoot sharp pictures within a certain distance range (depth of field) without having to refocus.
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The nearest point in the scene which is in focus when the lens is focused at infinity. This distance changes according to the focal length of the lens and the aperture at which it is set. Setting a lens at its hyperfocal distance maximizes the depth of field when infinity must be kept sharp.
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When the lens is focused on infinity, the nearest point to the camera that is considered acceptably sharp is the Hyperfocal point. By focusing on the hyperfocal point, everything beyond it to infinity remains in acceptable focus, and objects halfway between the camera and the hyperfocal point will also be rendered acceptably sharp.
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The closest focus distance at which both objects at infinity and closer objects are in focus.
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The hyperfocal distance is a distance set on the focusing ring of the lens that will most efficiently use the Depth of Field present. A depth of field chart will list possible distances and graph out the area of focus at different f-stops. There does not necessarily have to be a subject to focus on at that distance.
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The closest point you can focus a lens and still have the depth-of-field including infinity when the lens is focused on infniity. On a NIKKOR lens that does not have a depth-of-field scale, you can calculate the hyperfocal distance by using the formula: H = f 2 / ( F x CoC ) where H is the hyperfocal distance in mm, f is the focal length, F is the aperture and CoC is a Circle of Confusion value (0.033 for 35mm film or an FX format camera or 0.020 for a DX format body). The maximum permissible circle of confusion will vary depending on the image reproduction size, image capture format and other variables.
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The minimum distance at which you can focus while still having the infinity distance in focus. Follow this linke for more info: http://www.dofmaster.com/hyperfocal.html.
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often used by landscape photographers, it is the focus distance providing the the maximum amount of depth of field. Older prime lenses for film cameras usually had hyperfocal distance marks to aid in finding this magic sweet spot. With today’s lenses it is possible to calculate, just takes a bit more work and a hyperfocal distance calculator.
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Distance of the nearest object in a scene that is acceptably sharp when the lens is focused on infinity.
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The distance to the nearest point in the photograph that appears sharp when the lens is focused on infinity. .
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