.Green Screen Effects | Chroma Key Software green screen effects

Posts Tagged ‘green screen effects’

postheadericon Silhouette Photography

Silhouettes are a special case when shooting into the sun and, provided that your subject has an obvious profile and hides the sun, you have the makings of an arresting image.

 The high contrast from back lighting is exactly what you want if you wish to create a silhouette image. To work well, this kind of photography depends on the shape of the subject and on the co-ordination of two principal tones: black, and the light background. One of the key conditions is that the outline of the subject is strong, clear, and recognizable, which is not always easy to arrange, as the subject also needs to be positioned between you and the sun.

 Exposure in this circumstance can be tricky, for a number of different reasons. Silhouettes taken directly into the sun normally hide the image of the sun itself. In a clear sky, the brightness around the sun is highly localized, so that severe underexposure, particularly with a wide-angle lens, will make the sky quite dark towards the edges of the frame. This will lose any silhouette outline away from the center. If the silhouette is small in the frame, and you use a telephoto or macro lens, you can outline an object against the sun’s disk itself.

 The other type of silhouette is where the image is taken against the sun’s reflection, usually in water, One advantage with this is that, unless the water is perfectly calm and flat, it will have a slight diffusing effect on the sunlight. Instead of their being a concentrated patch of brightness, the backgrounds will appear to be larger and more even.

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postheadericon Lighting Directions – Photography

As the day unfolds, the changing direction of sunlight reveals different aspects of the scene. Some are more appealing than others. All the possible variations of lighting direction cover a sphere surrounding the subject. In a studio, any of them can be used, but sunlight operates only over a hemisphere (apart from unusual reflections). There are, in fact, two directions to consider at the same time: the sun’s angle to the camera, and its angle to the subject. Together, they make too many permutations to classify sensibly, and we will concentrate here on the direction that has the main influence on the quality of illuminations: the angle to the camera.

Quality of illumination is primarily responsible for atmosphere and the overall image qualities. The angle of the sun to the subject is mainly important for those subjects that “face” in a particular directions, and in revealing plastic qualities such as shape, form, and texture. The lighting sphere in included here to make a deliberate comparison with studio lighting.

By far the majority of outdoor photographs are taken with a camera angle that is close to horizontal – at least within 10 or 20 degrees. For these, the lighting-sphere diagram holds true. The exceptions are extreme verticals, either up or down. Upward vertical shots, in any case, tend to produce disorientation, and this usually overwhelms other image qualities, such as lighting direction. Nevertheless, back lighting is a common condition of shots like this. Downward verticals, particularly over a distance, such as from high buildings and aircraft, are usually of a flat surface: the ground. Lighting considerations for this kind of picture are usually similar to those needed for revealing texture.

UPDATED! Green Screen Wizard Full Version 7.0 offers the latest in green and BLUE screen software power and control behind an amazingly simple and accessible user interface. This chroma key software provides professional photographers, as well as photography enthusiasts, a simple way to do green screen removal and substitutes their choice of digital background. Green Screen Wizard is a self-contained chroma key removal program that does not require Photoshop or other photo editing application to produce beautiful green screen photos. Learn more now and try a free demo version!

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