The following terms are used in digital photography: Aperture: The opening that lets light travel to the camera's interior where the sensor is placed. Digital zoom: The process of blowing up a part of the picture. This function that is performed within the digital camera leads to a loss of picture quality. JPEG: The term used to describe the compression of a digital image. This compression ratio was fixed by the Joint Photo Experts Group to reduce the picture size. However, the reduction leads to a considerable loss of picture quality. Megapixels: An image that is made up of one million pixels. Memory: The storage space provided within digital cameras to store pictures. 1 MP camera: This is a camera that can shoot an image which is made up of one million pixels. Optical Zoom: This is used to change the focal length and magnification of the lens. Pixels: It is a contraction of the term PIcture Element with a numerical value between 0 and 255. Each pixel is made up of three color channels. Pixel Count: This is the number of pixels that go into making each image. PPI: This is the acronym of pixels per inch, and is used to describe the picture quality. The higher the number of pixels per inch the better is the picture. RAW/NEF: This is an uncompressed image as shot by the camera. The RAW picture format has been introduced by Canon. Nikon calls this format as NEF. Sensor: The digital strip that receives light. It performs the same role that the negative does in the conventional camera. Shutter Speed: The duration for which the camera's aperture opens to allow the light to stream in. TIFF: This is the short form of Tagged Image File Format. There is no loss of information in this format. But the file sizes are very large. White Balance: The setting used to ensure white light. A digital camera normally has settings for sunlight, shade, electronic flash, fluorescent lighting and tungsten lighting. You need to adjust them before shooting. Ensuring the proper amount of light is a must in digital photography. Never assume that overhead lighting is enough. Especially with fluorescent lighting. This will most likely make your photos darker and less professional looking. You should always do test shots to determine if you have the proper settings on your camera. Remember, you may only get one chance to capture that perfect moment. Aperture: The opening that lets light travel to the camera's interior where the sensor is placed. Digital zoom: The process of blowing up a part of the picture. This function that is performed within the digital camera leads to a loss of picture quality. JPEG: The term used to describe the compression of a digital image. This compression ratio was fixed by the Joint Photo Experts Group to reduce the picture size. However, the reduction leads to a considerable loss of picture quality. Megapixels: An image that is made up of one million pixels. Memory: The storage space provided within digital cameras to store pictures. 1 MP camera: This is a camera that can shoot an image which is made up of one million pixels. Optical Zoom: This is used to change the focal length and magnification of the lens. Pixels: It is a contraction of the term Picture Element with a numerical value between 0 and 255. Each pixel is made up of three color channels. Pixel Count: This is the number of pixels that go into making each image. PPI: This is the acronym of pixels per inch, and is used to describe the picture quality. The higher the number of pixels per inch the better is the picture. RAW/NEF: This is an uncompressed image as shot by the camera. The RAW picture format has been introduced by Canon. Nikon calls this format as NEF. Sensor: The digital strip that receives light. It performs the same role that the negative does in the conventional camera. Shutter Speed: The duration for which the camera's aperture opens to allow the light to stream in. TIFF: This is the short form of Tagged Image File Format. There is no loss of information in this format. But the file sizes end up being huge. White Balance: The setting used to ensure white light. A digital camera normally has settings for sunlight, shade, electronic flash, fluorescent lighting and tungsten lighting. You need to adjust them before shooting. Ensuring the proper amount of light is a must in digital photography. Never assume that overhead lighting is enough. Especially with fluorescent lighting. This will most likely make your photos darker and less professional looking. You should always do test shots to determine if you have the proper settings on your camera. Remember, you may only get one chance to capture that perfect moment.
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