Digital Photography Today

Published by totoy on 23rd April 2010
Filed Under Photography
Digital cameras have opened up amazing new photography possibilities. The following is an overview of several digital techniques that were on this website in the beginning. It now serves as a motivator to delve into the various techniques available in the digital world.
Camera equipment has made great strides in being able to mimic our visual perception in a single photograph. However, despite all of this progress, many key limitations still remain. Our eye can discern a far greater range of light to dark (dynamic range), is able to realize a broader range of colors (color gamut), and can assess what is white in a given scene (white balance) far better than any photographic equipment.
Photographers have to be aware of these and other shortcomings in order to emphasize the elements of a scene as they see them. Overcoming these often requires interpretive decisions both before and after the exposure.
When we view a scene, we have the luxury of being able to look around and change what we are analyzing with our eyes. This ability is quite different from what a still camera is able to do with a given lens; it is the implications arising from this that are discussed in the three sections below:
Depth of Field Dynamic Range Field of View
Each technique can evoke a heightened emotional response in the viewer, by emphasizing not only what one wishes for them to see, but also how they would like them to see it.
Our eyes can choose to have any particular object in perfect focus, whereas a lens has to choose a specific focal point and what photographers call a “depth of field,” or the distance around the focal plane which still appears to be in sharp focus. This difference presents the photographer with an important interpretive choice: does one wish to portray the scene in a way that draws attention to one aspect by making only that aspect in focus (such as would occur during a fleeting glance), or does one instead wish to portray all elements in the scene as in focus (such as would occur by taking a sweeping look throughout).
Until recently, traditional photography was especially restricted with this choice, because there is always a trade-off between the length of the exposure, the depth of field, and the image noise (or film grain) for a given photo. Where artistic flexibility is required, one could use a technique which utilises multiple exposures to create a single photo that is composed of several focal points. This is similar to how our eyes may glance at both near and distant objects in a far-reaching scene.

Digital cameras have opened up amazing new photography possibilities. The following is an overview of several digital techniques that were on this website in the beginning. It now serves as a motivator to delve into the various techniques available in the digital world.
Camera equipment has made great strides in being able to mimic our visual perception in a single photograph. However, despite all of this progress, many key limitations still remain. Our eye can discern a far greater range of light to dark (dynamic range), is able to realize a broader range of colors (color gamut), and can assess what is white in a given scene (white balance) far better than any photographic equipment.
Photographers have to be aware of these and other shortcomings in order to emphasize the elements of a scene as they see them. Overcoming these often requires interpretive decisions both before and after the exposure.
When we view a scene, we have the luxury of being able to look around and change what we are analyzing with our eyes. This ability is quite different from what a still camera is able to do with a given lens; it is the implications arising from this that are discussed in the three sections below:
Depth of Field Dynamic Range Field of ViewEach technique can evoke a heightened emotional response in the viewer, by emphasizing not only what one wishes for them to see, but also how they would like them to see it.
Our eyes can choose to have any particular object in perfect focus, whereas a lens has to choose a specific focal point and what photographers call a “depth of field,” or the distance around the focal plane which still appears to be in sharp focus. This difference presents the photographer with an important interpretive choice: does one wish to portray the scene in a way that draws attention to one aspect by making only that aspect in focus (such as would occur during a fleeting glance), or does one instead wish to portray all elements in the scene as in focus (such as would occur by taking a sweeping look throughout).
Until recently, traditional photography was especially restricted with this choice, because there is always a trade-off between the length of the exposure, the depth of field, and the image noise (or film grain) for a given photo. Where artistic flexibility is required, one could use a technique which utilises multiple exposures to create a single photo that is composed of several focal points. This is similar to how our eyes may glance at both near and distant objects in a far-reaching scene.

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