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on a camera mode dial, is a setting on some cameras that allows the user to set a specific aperture value (f-number) while the camera selects a shutter speed

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It is a dimensionless number that is a quantitative measure of lens speed, and an important concept in photography.

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The aperture stop of a photographic lens can be adjusted to control the amount of light reaching the film or image sensor.

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In the case of zoom lenses, both the minimum and maximum focal lengths are stated, for example 18–55 mm.

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focus range or effective focus range, is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.

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is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor, as opposed to photographic film.

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information to be transported with an image file, in a way that can be understood by other software, hardware, and end users, regardless of the format.

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is an image stabilization technology that minimizes blur caused by camera shake

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for a small image representation of a larger image, usually intended to make it easier and faster to look at or manage a group of larger images.

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is one of the main settings on your camera, and it lets you manually control shutter speed, aperture, and ISO.

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Program mode has the camera calculate both shutter speed and aperture (given a manually or automatically selected ISO).

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Photos taken with a low aperture let in more light, allowing you to take pictures in situations where there is not much light (like indoors and at night).

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refers to a setting on some cameras that allows the user to choose a specific shutter speed while the camera adjusts the aperture to ensure correct exposure.

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Action or sports modes increase ISO and uses a faster shutter speed to capture action.

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is the process of removing unrealistic color casts, so that objects which appear white in person are rendered white in your photo.

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Something that emits light is known as a light source

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will warm up your shots

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Fairly normal white balance setting

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warms up your shot

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Warms thing up

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warm things up

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are what the camera uses to focus on a subject.

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is the general technique of taking several shots of the same subject using different camera settings

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is a camera viewfinder where the image captured by the lens is projected electronically onto a miniature display.

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A Light meter is a device used to measure the amount of light.

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A point-and-shoot camera, also known as compact camera, is a still camera designed primarily for simple operation.

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Most use focus free lenses or autofocus for focusing, automatic systems for setting the exposure options, and have flash units built in.

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is the unit of measurement which determines how long shutter remains open as the picture is taken.

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the camera set to bulb mode, the shutter will stay open as long as it is pressed, rather than releasing for a designated amount of time.

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the apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation.

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In the case of still cameras, this limits the shutter speed that can be used.

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technique in which exposures are made by moving a hand-held light source while taking a long exposure

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balance all three of these to achieve a desired result, an adjustment of one requiring adjustments of at least one of the others.

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is the control by which you temporarily adjust your camera's definition of what is "properly exposed".

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several photographs are captured in quick succession by either pressing the shutter button or holding it down.

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When played at normal speed, time appears to be moving faster and thus lapsing.

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Differential GPS post-processing, an enhancement to GPS systems that improves accuracy.

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grey scale image is one in which the value of each pixel is a single sample representing only an amount of light, that is, it carries only intensity information.

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a dark reddish-brown pigment obtained from the inky secretion of the cuttlefish.

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It's important to know what shadows, mid tones and highlights are in photographic terms when it comes to using Photoshop.

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Highlights are normally created by a bright or intense illumination or by various forms of diffusion or reflection.

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A shadow is a dark area where light from a light source is blocked by an opaque object.