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<blockquote data-quote="Cowboybillybob1" data-source="post: 109033" data-attributes="member: 11894"><p>Since lighting is at least 75% of a good photo understanding exposure is essential.</p><p>There are three main aspects of "proper" exposure that I like to view as a triangle with each one of these elements a different point of the triangle. You can't change the angle (increase or decrease) without the other two angles being affected.</p><p>1. ISO - This is the sensitivity to light your camera is. The higher the ISO the more sensitive to light it is. There is a trade off though. High ISO will cause your pic to be too grainy. If this were not true you could take a good shot in near darkness by just bumping up the ISO a lot. Theoretically you could do that but your pics would look awful.</p><p>2. Shutter speed - The slower the shutter speed the more light you let in. Too short... say less than 1/60th of a second and it will be blurry due to the shaking of your hand. You can use a tripod to make it more steady so that your shutter is open 30 seconds. Not always convenient to carry a tripod around with you. A faster shutter speed will freeze a moving subject like in a sports photo. </p><p>3. Aperture - This is how large or small the opening of the lens is. A large aperture is actually a lower f#. A large opening (smaller f#) the more light you let in. This also affects Depth of Field (DOF). DOF is how deep your shot is in focus. It looks nice when the background,or foreground, of a portrait is out of focus (Bokeh). A large f stop (smaller f #) will give you a shallow DOF.</p><p></p><p>These three things are essential to know and understand. Best thing to do is to take a picture of the same thing over and over and change your settings to see what it does.</p><p></p><p>I am a relative newbie myself but I can safely say you need to get this under your belt to be able to take consistently good photos.</p><p></p><p>I don't suspect that my comments are going to fully get your understanding of it but it will send you down the right path.</p><p></p><p>Experiment and have fun and ask questions. This is a great forum with some very helpful members.</p><p></p><p>Oh... one other thing.... Welcome Aboard!</p></blockquote><p></p>
[QUOTE="Cowboybillybob1, post: 109033, member: 11894"] Since lighting is at least 75% of a good photo understanding exposure is essential. There are three main aspects of "proper" exposure that I like to view as a triangle with each one of these elements a different point of the triangle. You can't change the angle (increase or decrease) without the other two angles being affected. 1. ISO - This is the sensitivity to light your camera is. The higher the ISO the more sensitive to light it is. There is a trade off though. High ISO will cause your pic to be too grainy. If this were not true you could take a good shot in near darkness by just bumping up the ISO a lot. Theoretically you could do that but your pics would look awful. 2. Shutter speed - The slower the shutter speed the more light you let in. Too short... say less than 1/60th of a second and it will be blurry due to the shaking of your hand. You can use a tripod to make it more steady so that your shutter is open 30 seconds. Not always convenient to carry a tripod around with you. A faster shutter speed will freeze a moving subject like in a sports photo. 3. Aperture - This is how large or small the opening of the lens is. A large aperture is actually a lower f#. A large opening (smaller f#) the more light you let in. This also affects Depth of Field (DOF). DOF is how deep your shot is in focus. It looks nice when the background,or foreground, of a portrait is out of focus (Bokeh). A large f stop (smaller f #) will give you a shallow DOF. These three things are essential to know and understand. Best thing to do is to take a picture of the same thing over and over and change your settings to see what it does. I am a relative newbie myself but I can safely say you need to get this under your belt to be able to take consistently good photos. I don't suspect that my comments are going to fully get your understanding of it but it will send you down the right path. Experiment and have fun and ask questions. This is a great forum with some very helpful members. Oh... one other thing.... Welcome Aboard! [/QUOTE]
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