Digital Photography Tutorial

In order to learn something new, one needs to be well informed about the important terminologies and techniques. Such knowledge can be gained from various literature in the form of manuals and tutorials. Given here is a digital photography tutorial that provides a list of important digital camera and photography terminologies, along with their basic meaning.

Digital Photography Terminology:

? Aperture: It is the hole inside the lens, which allows light to enter.
? Blown Highlights: These are areas of a photo that are so bright they appear to be pure white.
? Compact Flash (CF) memory card: This is a popular type of memory card used to store images in digital photography.
? Charge-Coupled Device (CCD): This is a type of sensor that is commonly found in consumer level cameras.
? Complementary Metal Oxide Semiconductor (CMOS): This is a sensor commonly found in profession digital cameras.
? Depth of field: This is a measure of the amount of a scene can be taken into focus.
? Diffuser: It is a opaque piece of plastic that is seated over the flashgun to soften te light emanating from the flashgun.
? Digital Single Lens Reflex (DSLR): In this digital camera format the image is recorded on a digital image sensor and then saved onto a memory card.
? File format: It is the digital file format on which an image is stored. These are mainly: JPEG, RAW or TIFF formats.
? Image editing software: It is used to manipulate an image once it is downloaded on a computer.
? Joint Photographic Experts Group (JPEG): This is a common type of lossy file format in which the image is saved after being clicked.
? Lenses: This mainly pertains to DSLR digital cameras, which have lenses to focus on the subject.
? Lossy/Lossless files: The image data is stored on the memory card as a computer file. If the data is completely stored, without any image loss then it is termed as lossless file. The lossy files are on the other hand compressed images, with some needless data lost when saving.
? Memory Card: This is also termed as the digital film where all images are sotred on being clicked.
? Noise: This is another term for the traditional film grain. Noise is in the form of colored patches that appear in the darker areas of the photograph.
? Pixel: This is a small dot in a digital image. Thousands of pixels constitute the entire digital photograph.
? Purple Fringing: This is the unwanted purple ‘outline’ that appears around areas of high contrast
? RAW: These are files of the actual data take from the cameras’ image sensor. These have not been processed at all by the camera.
? Resolution: This is a measure of the number of pixels on a sensor. ‘Mega pixels’ is the measure of resolution of the digital cameras.
? Secure Digital (SD) memory card: This is a type memory card used to store images, with a capacity ranging from 128mb to 4GB.
? Sensor: This is the electronic chip, which is placed in the digital camera to record the image.
? Shutter Delay: This refers to the time lapse between pressing the shutter button and the image being captured.
? Shutter Speed: This is the speed at which pictures are captured
? Single Lens Reflex (SLR): This is a particular design of cameras wherein the photographer is required to directly look through the lens when taking a photograph.
? Stereoscopic photography: This is a method of producing 3D images from 2D photography.
? Tagged Image File Format (TIFF): This is a type of lossless file format
? Extreme Digital (xD) memory card: This is a small memory card, which was introduced two companies: Fuji and Olympus

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