Selective Focus

In optics, particularly as it relates to film and photography, depth of field (DOF) is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image. Although a lens can precisely focus at only one distance at a time, the decrease in sharpness is gradual on each side of the focused distance, so that within the DOF, the unsharpness is imperceptible under normal viewing conditions.In some cases, it may be desirable to have the entire image sharp, and a large DOF is appropriate. In other cases, a small DOF may be more effective, emphasizing the subject while de-emphasizing the foreground and background.
Posts about Selective Focus
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    … It’s no secret that visuals boost the quality and success of any marketing content on the web. Whether it be a webpage, a blog post, a white paper or eBook, image choices can make the difference between someone clicking on a post or passing it up completely. But, all too often, content marketers make the mistake of relying too heavily…

    Michelle Blackshire/ Visual.lyin Content- 6 readers -
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