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Center Filter Color compensation/correction
- Thread starter 4x5
- Start date
No, it simply deals with evening out brightness by holding back light towards the center of the image circle.
What you're referring to sounds more like lens cast (e.g. a green cast in one corner of the image and a magenta in the other) and that can often be dealt with by undertaking lens cast calibration - shooting a calibration plate image and then taking it into something like Capture One and letting it work its magic (which it does very well). Here's a good explanation.
What you're referring to sounds more like lens cast (e.g. a green cast in one corner of the image and a magenta in the other) and that can often be dealt with by undertaking lens cast calibration - shooting a calibration plate image and then taking it into something like Capture One and letting it work its magic (which it does very well). Here's a good explanation.
Shashin
Well-known member
Are you talking about film or digital? Center filters work much better with film in regards to color. Lens cast, where there is a color shift towards the edges of the image, is basically a digital issue. Film can show a color shift, but it is a yellow-blue shift which appears more natural than the magenta-green shift of digital. But the color shift in film is much harder to see.