Soft focus
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In photography, soft focus is a lens flaw, in which the lens forms images that are blurred due to spherical aberration. A soft focus lens deliberately introduces spherical aberration in order to give the appearance of blurring the image while retaining sharp edges; it is not the same as an out-of-focus image, and the effect cannot be achieved simply by defocusing a sharp lens. Soft focus is also the name of the style of photograph produced by such a lens. The soft focus effect is used as an effect for glamour photography, because the effect eliminates blemishes, and in general produces a dream-like image.
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See also
- Aberration in optical systems
- Lens (optics)
- Special effect
- Bokeh
- Convolution
- Low-pass filter
- Gaussian blur
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