Digital Photography Glossary - A Layman's Guide to the Terms You Need to Know
By: nikky Howard
Submitted: 2010-06-30 02:43:27 | Word Count: 910
It is usually taken for granted that we know and understand all the terms which relate to digital cameras. Simply in case you are not familiar with some of them, I have compiled a useful glossary of terms to help you out.
Digital photography glossary of terms
Digital cameras are precision pieces of kit and as such involve some technical descriptions. Below is a quick Glossary of some of the terms which you're possible to come across:
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Autofocus: Autofocus is a normal feature on Digital SLR cameras and is being increasingly found on several 'point and shoot' cameras. The autofocus perform automatically focuses on the centre mass that the camera is pointed at (some models permit you to pick out completely different parts of the screen to focus on). Autofocus is usually engaged by semi-suppressing the shutter button prior to taking the picture. This perform works bests when there is a sturdy distinction between the subject and also the background of the image.
Burst mode: Burst mode is commonly found on DSLR cameras and permits the camera to take many shots in a very terribly short space of time. The number of shots is dictated by the speed of the camera, that is measured in 'frames per second'. The speed of the camera depends on the build and model and will vary markedly.
Compact Flash: This can be a form of memory card and is employed to store the photographs that you are taking along with your digital camera. CompactFlash cards vary in size from 512mb up to an enormous 64GB. The larger the card, the additional photos and videos you will be ready to store.
Depth of field: This relates to how a lot of of the image will stay in focus when you shoot your picture. If you're taking a family photo on holiday, the depth of field will dictate how abundant of the foreground and background is captured in your image. The depth of field is usually manipulated by the lenses used on the camera furthermore a range of other factors. Usually speaking however, moving closer to your subject will scale back your depth of field, while moving away [from your subject] will increase it.
Exposure: This term relates to the number of sunshine which hits the camera sensor. This can be controlled by the shutter speed and the sensitivity setting (ISO) on the camera. An over exposed image will seem 'washed out' whereas an underneath exposed image will seem dark and undefined.
Image editing software: This is the software that you employ to boost the looks of a photograph once you've got transferred it to your computer of Mac. The most standard image editing software is Adobe Photoshop, that is where the term 'photoshopped' originated. Image editing software can be used to crop images, remove the effects of over or beneath exposure and to remove red eye. Image editing software will also be used to create beautiful photos with plays on the color and light levels within the image.
JPEG: JPEG stands for 'Joint Photographic Experts Group' and is the industry defining photo format. JPEG is usually utilized in photography as a result of of its comparatively small size, that makes it simply transferable via email and equally easily uploaded to the internet.
Mega Pixel (MP): a mega pixel is comprised of 1 million pixels and is the standard unit measurement of a digital cameras resolution. Generally speaking, it's preferable to seem for cameras with high amounts of pixels, though this rule of thumb will be untrue within the case of some lower quality digital cameras, as too several mega pixels can create the image seem 'noisy' and thus make it lack some of the clarity expected for a high MP camera.
Memory Card: Memory cards are the tools on to which photos and videos are saved, transported and shared. Memory cards come back during a range of various formats, including SD, CompactFlash, SmartMedia, xD and Sony's Memory Stick. Memory cards return in several sizes and the larger the cardboard the more information (photos and videos during this instance) the cardboard can store.
Noise: Noise refers to the color distortion which will be seen on bound photographs. This most commonly happens on solid blocks of colour, just like the walls on a skyscraper or on blue sky. Noise can be reduced (noise reduction) by the utilization of acceptable exposure settings on your camera and by the utilization of image editing software (see on top of).
Pixel: Pixels are the tiny dots which along comprise an image. Pixels are counted as 'mega pixels' or lots of pixels. Good cameras generally have higher numbers of pixels then their cheaper counterparts.
Sensor: the crucial internal camera component that turns light into a captured image.
Zoom lens: zoom lenses enable the user to zoom into an image, so making it seem larger and closer then it's in reality. Zoom lenses are purchased separately from SLR cameras, and come back during a vary of lengths (length of zoom) and qualities. Zoom lenses are engineered into many regular digital cameras.
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