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Digital Photography
Terms about digital photography
Term | Definition |
---|---|
shutter release | Button on top of the camera that takes the picture. |
focal length | The distance from the center of the lens to the focal point. |
aperture | Adjustable opening in camera lens that limits light. |
shutter speed | How long the inside of the camera is exposed to light when a photo is taken. |
framing | Using the viewfinder of the camera to select what part of the subject to photograph. |
depth of field | The portion of a scene that appears acceptably sharp in the image. |
white balance | A function on cameras that forces the camera to see an object is white without regard to the type of light hitting it or the actual color of an object. |
viewfinder | Part of the camera that indicates the field of view that is seen by the camera lens. |
memory card | Digital film; where images are generally saved to on a digital camera. |
ISO | The digital camera sensor’s sensitivity to light. |
exposure triangle | A correct exposure is a combination of aperture, shutter speed, and ISO. |
shutter priority | An exposure mode that permits the photographer to preset shutter speed while the camera automatically determines the aperture setting required for proper exposure. Use this mode to freeze fast moving action or emphasize motion. |
Tv | Typical abbreviation on a camera for Shutter Priority mode. |
aperture priority | An exposure mode that permits the photographer to preset the f-stop while the camera automatically determines the shutter speed required for proper exposure. Use this mode to blur the background or create a completely sharp photograph. |
Av | Typical abbreviation on a camera for Aperture Priority mode. |
fast | 1/1000 seconds would be considered a ________ shutter speed. |
small | f/16 would be considered a _____ aperture size. |
large | f/1.8 would be considered a _______ aperture size. |
slow | 3" would be considered a _______ shutter speed. |
macro | Close up shots, where lens can focus so close that a small object is larger than life. |
f-stop | The number assigned to a particular lens aperture. |
bokeh | Photography term that refers to the way a lens blurs an image. |
TIFF | The most common loss-less image file format. |
JPG | The most common lossy compressed file format used in digital photography. |
hot shoe | A special slot on the top of a camera that can accept camera accessories. |
metadata | Embedded information in each photo a camera takes that identifies what camera created the file, the exposure information and more. |
exif | A standard that specifies the formats for images, sound, and ancillary tags used by digital cameras (including smartphones), scanners and other systems handling image and sound files recorded by digital cameras |
RAW | Digital photography's equivalent of a negative in film photography: capture format that contains untouched pixel information straight from the digital camera's sensor. |
DNG | Image format designed as an open standard “RAW” file format, accessible by any program that can read those files. |
histogram | A simple graph that displays where all of the brightness levels contained in the scene are found, from the darkest to the brightest; a good tool for determining it clipping occurred in an image. |
clipping | A result of capturing or processing an image where the intensity in a certain area falls outside the minimum and maximum intensity which can be represented. |