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85mm 1.4 L IS preview

Started Oct 31, 2017 | Discussions thread
Scott Larson Veteran Member • Posts: 7,505
Re: 85mm 1.4 L IS preview

brightcolours wrote:

1Dx4me wrote:

hmm...nasty CA (heavy purple fringe)

Purple fringing is not CA. The correct term: Longitudinal Chromatic Aberration (LoCA). It comes in two colours at the same time. Magenta in front of the focus plane, green behind the focus plane.

Purple fringing caused by the lens fits the definition of chromatic aberration.

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