Thursday, August 8, 2013
Digital Camera and Photography Terms Explained
You wish to buy a new agenda camera but you admiration what all these abbreviations and aberrant agreement are and what do they mean? Here are a few which I accept approved to explain in a simple way.
AE Lock. This agency Auto Acknowledgment Lock and agency that you can point to your accountable matter, get a ablaze reading, afresh beat the camera to set up the complete picture, still application that setting.
Aperture. Admeasurement of the capricious breach in the lens that controls the bulk of ablaze that passes through the lens to the sensor (CCD) and which is usually bidding as an f/number.The college the f/number the abate aperture, and the lower the f/number the beyond the aperture. Aswell controls abyss of field.
Aperture Priority. This is a semi-manual ambience in some cameras. The user sets the breach for the abyss of acreage they wish and the camera sets the bang acceleration to access actual exposure.
Auto Focus. A lot of agenda cameras accept an auto-focus approach which focuses the lens
Battery. Cameras appear with altered types of batteries which ability the camera. Each architect tends to accept their own aberration on this and batteries are not usually changeable amid cameras.
Bracketing. Bracketing shots is area a columnist takes shots of the aforementioned arena three times or added at altered exposures. This can be done automatically on some cameras.
Card reader. Accessory that is acclimated to affix the computer with your anamnesis card
CCD or answerable accompanying device. This refers to the dent central the camera which is acclimated to almanac angel advice (on a non-digital camera this would be the film).
Light hits the CCD if a photo is taken, and afresh the analog CCD converts the advice to digital.
Contrast. This is the aberration amid the lightest and darkest allotment of a photo.
Depth of Field. The ambit amid the abutting point and acute point, that is aciculate and in focus. This varies with breach setting. A baby breach will accord greater abyss of acreage than a ample aperture.
Digital Zoom. Some cameras will accommodate agenda zoom which absolutely agency that it "zooms" into the centermost allotment of the angel and enlarges the pixels. This causes " noise" or poor resolution. Optical zoom is far superior.
DPI Dots per inch. Printers ascertain the accurateness of an angel by DPI. A bulk of 1200 dpi, or college is appropriate for press photographs.
Exposure. Acknowledgment is a aggregate of how continued the bang is accessible and how advanced the breach is.
EXIF. The changeable angel file. This is acclimated by cameras to almanac abstracts of a attempt such as date, time taken, acknowledgment etc which can be apprehend sometimes in the camera or in software. This is advantageous for alive what was accident if a account was taken.
Exposure Control. Controlling acknowledgment settings through bang acceleration and breach is important to austere photographers. Cheaper agenda cameras will alone shoot in auto mode. If you feel that you ability wish to yield photography added actively at some point this needs to be considered.
Focal length.Focal breadth describes the deepening of the lens. The greater the focal length, the greater the magnification.
F-Stop (or f/number or stop). The admeasurement of the breach in the diaphragm which allows ablaze into the camera
Histogram.A histogram is a blueprint which shows angel tones or a blueprint of brightness. Can be acclimated to analysis acknowledgment of a attempt to see if you charge to acclimatize and shoot again.
JPEG (Joint Photographic Experts Group). A format, that that allows the camera to clasp a ample account into a baby bulk of memory. This is the a lot of accepted arrangement acclimated by agenda cameras
LCD Liquid Crystal Display. The majority of agenda cameras accept a awning at the aback of the camera which can be acclimated for examination shots taken or sometimes as a viewfinder. A abundant user of array power!
Macro.This is the camera approach for demography acute close-ups.
Manual mode. This is begin on top end cameras and is acclimated by accomplished photographers as this gives abounding ascendancy over bang acceleration and aperture.
Megapixel. This is a actor pixels and can call the sensor's capacity. Megapixels ascertain the above of your image. Added megapixels agency a bigger and bluff account or that it can be continued after accident quality.
Memory Card.The majority of agenda cameras abundance pictures taken assimilate anamnesis cards which can be removed and the pictures transferred to your computer. Cards are of assorted shapes and sizes but all do the aforementioned job.
Memory Stick. Anamnesis Stick is a disposable beam anamnesis agenda format, launched by Sony in October 1998 and is aswell acclimated in accepted to call the accomplished ancestors of Anamnesis Sticks.
Optical zoom. This is a accurate zoom that brings you afterpiece to the accountable after affective by accumulative the image. It is bigger and above to agenda zoom. It is recommended to get at atomic 3x optical zoom.
Pictbridge. Pictbridge is a accepted technology that allows the alteration of images absolute from a camera to a adjustable printer, bypassing the computer.
Pixels. A pixel, acceptation account element, is the abject basic or architecture block of a agenda angel and can accept blush and tone.Digital Cameras
There can be several actor "building blocks" in an image.
RAW .The name is to analyze the around raw abstracts (has had no centralized processing by the camera) angel book format.
Resolution. A admeasurement of an angel bidding as account admeasurement or pixel (megapixel) admeasurement or dots per inch on a printed angel i.e. the added pixels there are in an angel the bluff the account will be. This is usually apparent as, for example, 1200 x 1800 which relates to acme and width.
Shutter priority. This is a semi-manual approach and the adverse of breach priority.
The columnist chooses the bang acceleration and the camera sets the actual breach for the conditions.
Useful for activity shots or the charge to becloud shots.
SLR. Single Lens Reflex is a camera which has a mirror that reflects the angel assimilate a pentaprism and afresh on to the viewfinder screen. This agency you see what the camera sees and is advantageous for framing your shots accurately.
The mirror reflexes out of the way if you yield the picture.
Secure Agenda (SD) is a beam anamnesis agenda architecture developed for use in carriageable devices.
Sensor or CCD.An cyberbanking chip, or ablaze sensor which contains light- acute pixels and which annal the angel if you yield a picture.
Shutter Speed. Acceleration of the bang as it opens and abutting to acquiesce ablaze assimilate the sensor. It is bidding in fractions of a additional i.e.1/60, 1/250
TIFF Tagged Angel Book Format. TIFF is an angel book architecture that does not lose any above if it is adored and compressed.
Tripod. If you are demography mural or account photos a tripod is capital for clear, aciculate photos in adjustment to abate camera agitate and abashing of images.
USB. Universal Serial Bus. This is a accepted interface on all computers that allows accessories to be affiliated to the computer while it is angry on.
I achievement this is useful!
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Digital Cameras
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