Tag Archive for 'Chromatic aberration'

Lens Correction in Photoshop

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Photoshop’s Lens Correction filter has controls for fixing many common lens aberrations, including distortion, chromatic aberration and vignetting.

Pentax K-7

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The K-7 is Pentax’s top digital SLR and is aimed at enthusiasts and professionals. The built-in anti-shake, distortion correction and aberration removal are excellent, but Pentax’s lens range is patchy.

Prime lens

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This is a fixed focal length lens, rather than a zoom. Zooms have taken over because they are more convenient, but prime lenses are more compact and offer better performance, with little or no distortion and, sometimes, better contrast and [...]

Chromatic aberration

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This is a lens defect that produces colour fringes around bright objects near the edges of the frame. Chromatic aberration is largely unavoidable in zoom lenses, though the best lenses do keep it well suppressed. It’s a result of the [...]