Icy Winter Wonderland II - Natural Sparkle - NO EFFECTS

by Debbie Portwood

Title

Icy Winter Wonderland II - Natural Sparkle - NO EFFECTS

Artist

Debbie Portwood

Medium

Photograph - Photography

Description

100% All NTURAL SPARKLE, NO EFFECTS - ONLY MANUAL FOCUS. After the last ice storm, the sun came out and created gorgeous sparkling bokeh! It was as if everything was covered in a billion tiny diamonds! It was a spectacular site to see! ,Wonderful for any wall in your home or office, or perhaps a greeting card. Many more wonderful works can be found in my various galleries, from photographs and photo art to digital creations and abstracts. Thanks for browsing, commenting and most of all for any purchases. Debbie Portwood :D..............................(Wikipedia - In Photography, Bokeh (Originally /ˈboʊkɛ/, /ˈboʊkeɪ/ BOH-kay � also sometimes heard as /ˈboʊkə/ BOH-kə, Japanese: [boke]) is the blur, or the aesthetic quality of the blur, in out-of-focus areas of an image. Bokeh has been defined as "the way the lens renders out-of-focus points of light". However, differences in lens aberrations and aperture shape cause some lens designs to blur the image in a way that is pleasing to the eye, while others produce blurring that is unpleasant or distracting�"good" and "bad" bokeh, respectively. Bokeh occurs for parts of the scene that lie outside the depth of field. Photographers sometimes deliberately use a shallow focus technique to create images with prominent out-of-focus regions.Bokeh is often most visible around small background highlights, such as specular reflections and light sources, which is why it is often associated with such areas. However, bokeh is not limited to highlights; blur occurs in all out-of-focus regions of the image ..................................................Description - Though difficult to quantify, some lenses have subjectively more-pleasing out-of-focus areas. "Good" bokeh is especially important for macro lenses and long telephoto lenses, because they're typically used in situations that produce shallow depth of field. Good bokeh is also important for medium telephoto lenses (typically 85�150 mm on 35 mm format). When used in portrait photography (for their "natural" perspective), the photographer usually wants a shallow depth of field, so that the subject stands out sharply against a blurred background. Bokeh characteristics may be quantified by examining the image's circle of confusion. In out-of-focus areas, each point of light becomes an image of the aperture, generally a more or less round disc. Depending how a lens is corrected for spherical aberration, the disc may be uniformly illuminated, brighter near the edge, or brighter near the center. Lenses that are poorly corrected for spherical aberration will show one kind of disc for out-of-focus points in front of the plane of focus, and a different kind for points behind. This may actually be desirable, as blur circles that are dimmer near the edges produce less-defined shapes which blend smoothly with the surrounding image. Lens manufacturers including Nikon, Minolta, and Sony make lenses designed with specific controls to change the rendering of the out-of-focus areas.

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March 3rd, 2014

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