What Does DLSR stand for
-Digital Single Lens Reflex -A DSLR is a digital camera camera that uses mirrors to direct light from the lens to the viewfinder, which is a hole on the back of the camera that you look through to see what you are taking a picture of Exposure Exposure is the amount of light collected by the sensor in your camera during a single picture If the shot is exposed too long the photograph will be washed out If the shot is exposed is to short the photograph will appear too dark Almost all camera today will have light meters which measure the lighting the given shot and set an ideal exposure Three primary controls your camera uses for exposure are aperture , speed and ISO Aperture in a Camera Simply put aperture is a hole within a lens through which the light travels into the camera It is easier to understand the concept if you think about our eyes. Every camera that we know of todays designed like the human eyes Sizes In a photograph express in f- numbers. A smaller f- number means a larger Aperture Basics Small apertures ( high f- number ie f/22), increase the depth of field, bringing both the main subject and background into focus Large aperture ( low f- number ie f/2.8 ) soften background Depth of field DOF is the distance to which objects behind and in front of the focal point Shutter Speed shutter speed also known as exposure time, stands for the length of time a camera shutter is open to expose light into the camera sensor If the shutter speed is fast it can help to freeze action completely If the shutter is slow it can create an effect called ISO ISO is the level of sensitivity of your camera to available light The lower the ISO number, the less sensitive it is to the light while a higher ISO number increases the sensitivity of your camera The component within your camera that can change sensitivity is called u=image sensor or simply sensor With increases sensitivity your camera can capture images in the low light environment Bright and sunny, 100 ISO Cloudy 250 ISO Indoors 500 ISO Night time without a flash , 1600 ISO Modes on THe DSLR M- Manual Control over aperture and shutter A- Aperture Priority S- Shutter Priority P- Camera sets shutter speed and aperture How to hold a DSLR Have the camera strap around your neck at all times Hold the camera by the lens and hand grip if possible - treat with care
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