The Art of Digital Photo Retouching

We are now living in an age of fantastic technological advancements in the visual technology fields. Photo camera models renew themselves each and every year using the commitment of more mega-pixels and latest features. And yet, whenever we consider it for a moment, the photo that comes away from your old digital cameras most times has weaknesses and strengths that persist through every one of the successive models that experience our hands.

Cameras along with general all photographic cameras are, despite every one of the marketing buzz, still very limited machines. For instance, they register our society with sensors that will only capture a part of the tonal range our eyes can perceive.


Imagine yourself a sunny day looking at a lovely landscape. Below you, around feet, you can see the rich lush green vegetation; above you, the brilliant blue skies. As we contemplate this scene, our eyes are able to perceive its richness, the facts in both the shadows and the bright clouds above. The dynamic range which our eyes can process, which matches from your darkest for the brightest areas, is sufficient contain the majority of the rich detail for the reason that scene.

Now take the photo camera and snap a shot from the position including both vegetation and also the sky. It's wise very telling. Depending on the parameters that either you otherwise you choose, some detail of the scene will disappear in the result. Either elements of the vegetation will blend to black and lose all detail or elements of the sky will blend to white and lose all detail.

To sum up, the retina in the camera, its digital sensor, which captures the sunlight in the scene, just isn't capable of handling a tonal range as large as our eyes can. It can only capture the entire detail in a range that could be positioned at different levels of brightness through the camera itself or us. For that reason, inside a scene like the one described above that features a very large contrast, it eventually ends up capturing the detail limited to the highlights and mid-tones, or mainly at the mid-tones, or mainly at the shadows and mid-tones. It really cannot capture simultaneously the complete detail of the scene in the darkest on the brightest areas.

This really is naturally a simplification of an scenario we could describe in far more detail. Nevertheless the conclusion is still the same. Whenever we look at the final photo, we realize that that which you remember seeing with this eyes isn't what the photo shows. That richness of detail everywhere is finished. Which is just one of the constraints that Photo cameras share. We will pursue to describe a great many others related to color precision and also other places that cameras just can't cope with the depth and richness of the world around us.

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