Depth (apparent)

EN: Depth of field

Arta

The distance in front of the point of focus and the distance beyond that is acceptably sharp. Manipulation of this zone by extending or reducing it can be an important aspect of creative control and view cameras have evolved to facilitate this.
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Depth of field

The range of distance in a scene that appears to be in focus and will be reproduced as being acceptably sharp in an image. Depth of field is controlled by the lens aperture, and its area of acceptable focus extends for a distance in front of and behind the point on which the lens is focused (i.e. the plane of focus).

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Depth of field preview button

Many cameras are equipped with a preview button that, when pressed and held in, stops the lens down to the preselected aperture, allowing you to see how much foreground or background are in focus.

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Depth of field preview button:

A switch, button, or electronic push-button that allows for preview of the depth of field of the set aperture in the viewfinder. During composition the lens is wide open, thus the depth of field in the viewfinder is always that of the maximum aperture of the lens. It is very useful for critical selective focus shots although some rightfully consider it no more than an approximation, others feel that an SLR lacking a depth of field preview function is greatly diminished as a creative tool.

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Depth of field scale

Markings on the barrel of a lens that show the depth of field for a particular aperture and a particular focus setting.

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Depth of field:

The zone, or range of distances within a scene that will record on film as sharp. Depth of field is influenced by the focal length of the lens in use, the f-number setting on the lens, and the distance from the camera to the subject. It can be shallow or deep, and can be totally controlled by the photographer. It is one of the most creative and profound effects available to photographers.

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Depth of focus

A zone of focus in the camera. If an image is focused on a ground glass screen in a camera,depth of focus makes it possible to move the screen slightly backward or forward and still have the image in acceptable focus.

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Depth (apparent)

The illusion of a third dimension on a flat screen or print through various techniques, among them effective lighting that emphasizes planes. See: Foreground; Modeling (Relief); and Sculptural Lighting.

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Depth gauge

Available in select cameras such as the Nikon 1 AW1. Calibrate the Depth Gauge on the surface before you enter the water, setting it to zero. Then, you can view your depth while you’re shooting or even include it in the EXIF data that is recorded along with the image. .

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Depth grading (stereoscopic)

In post production, the adjustment of negative and positive parallax convergence. Not only a creative tool, it also helps ensure the stereoscopic content can be comfortably watched at its intended screen size. For example, the rule of thumb is one degree of divergence, a critical element if the production is to be viewed on a large screen.

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Depth mode

Program mode on some Canon cameras that sets the optimum aperture to ensure enough depth of field to make the whole of the subject sharp. .

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Depth of field

(DOF). The range of items in focus in an image. This is controlled by the focal length and aperture opening of a lens. A large or wide aperture gives a shallow depth of field (not much range in focus) and a smaller or narrow aperture give a large depth of field (more range in focus).

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Depth of field

AKA: DOFA measure of the range along a camera s line of site in which objects will be in focus. See also aperture, shutter speed.

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Depth of field

AKA: DOFA measure of the range along a camera s line of site in which objects will be in focus. See also aperture, shutter speed.

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Depth of field

Depth of field is the area, range of distance, or field (between the nearest and farthest planes) in which the elements captured in a camera image appear in sharp focus.

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Depth of field

The area between the nearest and farthest points from the camera that are acceptably sharp in the focused image.

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Depth of field

The area in front of and behind the plane of focus in the scene which is acceptably sharp (for intended enlargement). Tip: a little more depth requires a lot more light (for smaller Stop) or a wider-angle lens. Don t call it depth of focus, a related but different matter.

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Depth of field

The distance between the nearest and farthest points that appear in acceptably sharp focus in a photograph. Depth of field varies with lens aperture, focal length, and camera-to-subject distance.

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Depth of field

The portions of a picture, both in front of and behind the main point of focus, which are in focus. Lens focal length, aperture, distance to focusing point, and imager or negative size all affect depth of field.

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Depth of field

The range of acceptably sharp focus in front of and behind the distance the lens is focused on.

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Depth of field

The zone of acceptablesharpness in front of and behind the subject on which the lens is focused; extendsapprox. one-third in front of and two thirds behind the in-focus subject; dependenton three factors: aperture, focal length, and focused distance; the wider the aperture,the longer the focal length, and the closer the focused distance, the less the depthof field, and vice versa; in comparison to a normal lens, wideangle lenses have inherentlymore depth of field at each f-number and telephoto lenses have less.Since this elementis very important, another simpler way to explain is the amount of distance betweenthe nearest and farthest objects that appear in acceptably sharp focus in a photograph.Depth of field depends on the lens opening, the focal length of the lens, and thedistance from the lens to the subject or can explain as in simpler term as the zone ofsharpest focus in front of, behind, and around the subject on which the lens is focused;can be previewed in the camera - very handy for critical work. Relating article inthis site: Depthof field.

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Depth of field

While a lens focuses on a single plane of depth, there is usually an additional area in focus behind and in front of that plane. This is depth of field. Depth of field increases as the iris is closed. There is more depth of field the wider the lens and less the longer the lens. There is a deeper area in focus the further away a lens is focused than there is when a lens is focused close. Depth of field does not spread out evenly; the entire area is about 1/3rd in front and 2/3rds behind the plane of focus. To factor together all these variables it is best to consult a depth of field table, such as the ones found in the American Cinematographer’s Manual.

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Depth of field

OF) – The area between the nearest and furthest objects that appear to be in focus. This technique is controlled by the aperture of a camera lens.

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Depth of field

(DOF or DoF)- the distance between the nearest and farthest objects in your scene that appear in focus. It is controlled by many factors including the aperture, lens focal length, distance to subject, film or digital sensor size, and camera format. Read about how to use aperture to adjust depth of field.

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Depth of field

The area within which objects are in focus; a large depth of field allows a great range of objects to be in focus simultaneously, while a shallow depth of field offers a very limited area in focus. Depth of field normally depends on how far open a lens is (a lens works much like an eye, with the pupil opening or contracting to control light). An open lens (for example, f 1.4) creates a shallow depth of field while a stopped down (contracted) lens (for example f 16) creates a large depth of field.

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Depth of field

The zone of acceptable sharpness in front of and behind the subject on which the lens is focused. Depth of field varies according to focal length of the lens, chosen aperture and shooting distance.

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Depth of field (dof)

Literally, the measure of how much of the background and foreground area before and beyond your subject is in focus. Depth of field can be increased by stopping the lens down to smaller apertures. Conversely, opening the lens to a wider aperture can narrow the depth of field. For more on this subject, see the explora article, ://www.bhphotovideo.com/explora/photography/tips-and-solutions/depth-field-part-1 Depth of Field, Part I: The Basics.

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Depth of field scale

A scale on the lens barrel with the markings of f/stops and distances, which shows the distance range that is in focus for a chosen f/stop.

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Depth of focus

Depth of focus is the measurement of the area in focus within an image, from the closest point of focus to the furthest point of focus.

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Depth of focus

The distance rangeover which the film could be shifted at the film plane inside the camera and stillhave the subject appear in sharp focus; often misused to mean depth of field. Alsosee depth of field section.

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Depth of focus

A measurement of the distance behind the lens wherein the film plane will remain sharply in focus. Depth of focus is sometimes referred to as lens-to-film tolerance.

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Depth of field

The amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a photograph. Depth of field depends on the lens opening, the focal length of the lens, and the distance from the lens to the subject. A Glossary of Photographic Terms AA-9.

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Depth of field

The distance range between the nearest and farthest objects that appear in acceptably sharp focus. Depth of field depends on the lens opening, the focal length of the lens, and the distance from the lens to the subject.

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Depth of field

The area in front of and behind a focused subject in which the photographed image appears sharp. In other words, the depth of sharpness to the front of sharpness to the front and rear of the subject where image blur in the film plane falls within the limits of the permissible circle of confusion. Depth of field varies according to the lens focal length, aperture value and shooting distance, so if these values are known, a rough estimate of the depth of field can be calculated using the following formulas: Front depth of field = d ∙ F ∙ a² / (f² + d ∙ F ∙ a) Rear depth of field = d ∙ F ∙ a² / (f² − d ∙ F ∙ a) f: focal length F: F number d: minimum circle of confusion diameter a: subject distance (distance from 1st principal point to subject) If the hyperfocal distance is known, the following formulas can also be used: Near Point limiting = (Hyperfocal distance X shooting distance) / (Hyperfocal distance + shooting distance) Far Point limiting = (Hyperfocal distance X shooting distance) / (Hyperfocal distance - shooting distance) (Shooting distance: Distance from film plane to subject) In general photography, depth of field is characterized by the following attributes:Depth of field is deep at short focal lengths, shallow at long focal lengths. Depth of field is deep at small apertures, shallow at large apertures. Depth of field is deep at far shooting distances, shallow at close shooting distances. Front depth of field is shallower than rear depth of field.

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Depth of field

The distance between the nearest and furthest parts of a subject that are acceptably sharp. For more information, see this Depth-of-field article in the Techniques section. .

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Depth of field

– The part of an image, from foreground to background, that is in focus. A shallow depth of field, appropriate for portraits, shows only a small portion in focus. Adjusting aperture is the main way to control depth of field. Large apertures of f1.4, f2.0 or f2.8 produce limited depth of field, whereas smaller ones such as f11, f16 or f22 are used for greater depth of field. A deep depth of field, often used for landscapes and group shots, captures virtually everything in sharp focus.

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Depth of field preview

A button or lever on the camera that either stops the lens aperture down manually or electronically. This enables you to view the image at the aperture that will be used to take the picture. The view will be darker, but you will be able to see exactly what will and won t be sharp or in focus. See Using the depth of field button in the Techniques section. .

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Depth of field scale

A scale on the lens that indicates how much of the subject, from the nearest to furthest point from the camera, will be in focus. .

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Depth of focus

The distance range over which the film could be shifted at the film plane inside the camera and still have the subject appear in sharp focus; often misused to mean depth of field.

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Depth of focus

The area in front of and behind the focal plane in which the image can be photographed as a sharp image. Depth of focus is the same on both sides of the image plane (film plane) and can be determined by multiplying the minimum circle of confusion by the F number, regardless of the lens focal length. With modern autofocus SLR cameras, focusing is performed by detecting the state of focus in the image plane (film plane) using a sensor which is both optically equivalent (1:1 magnification) and positioned out of the film plane, and automatically controlling the lens to bring the subject image within the depth of focus area.

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Depth of focus

The distance the film or printing paper can be positioned either side of the focus point and still maintain acceptably sharp results. .

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