Aperture/F-stop- this is a hole or an opening through which light travels. This figure is derived from dividing the focal length of the lens by the
aperture opening of the lens. and F-stop run as f1.4, f2, f2.8, f4, f5.6, f8, f11, f16, f22, f32, f45, f64.
Aperture Priority- this is a setting on some cameras that allows the user to choose a specific aperture value while the camera selects a shutter speed to match
Ambient Light-this is the light that exists in a scene. Also referred to as “natural light” or “existing light,” ambient light can be the found light inside a home, a restaurant or concert hall, or a bright, sunny day, a deep foggy day.
Artificial Light-it is light have type of incandescent, fluorescent, LED and studio strobe.
ASA/ISO/Film Speed-Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometer and measured on various numerical scales, the most recent being the ISO system. and ASA is American Standards Assoc. is the older film speed rating.
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Bracket-it is the general technique of taking several shots of the same subject using different camera settings.
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Depth of Field-it is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.
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Exposure Triangle- it is ISO(the measure of a digital camera sensor’s sensitivity to light), APERTURE( the size of the opening in the lens when a picture is taken) and SHUTTER SPEED( the amount of time that the shutter is open).
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How to Control Depth of Field- it is one of the first big hurdles in photography. Control what appears sharp in your photos will give you incredible confidence as a photographer.
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Light Meter- a light meter is often used to determine the proper exposure for a photograph. photographer to determine which shutter speed and f-number should be selected for an optimum exposure, given a certain lighting situation and film speed.
Short Depth of Field
Focusing to one subject and background is blurry.
f3.5 = wide aperture = shallow depth of field (less in focus).
Medium Depth of Field
Shallow- medium depth of field.
f5.6 = medium to wide aperture.
Long Depth of Field
Narrow aperture = larger depth of field.
f16= larger depth of field.
Unusal Focusing
Not really focusing.
Ambient Light
Ambient lighting is a general illumination that comes from all directions in a room that has no visible source. This type of lighting is in contrast to directional lighting.