Correcting soft corners with the Sharpness Falloff slider

Softness or a loss of sharpness can occur in the corners and outer zones for many reasons. This is quite common in wide-angle and ultra wide-angle lenses. Soft corners are often seen as a desired retro-focus effect. However, with the Sharpness Falloff slider, Capture One can help to correct this effect if it is unwanted.

1. Select an image that you want to correct.
   
   
2. In the Lens Correction panel in the Lens tool tab, check the profile for your lens that has been selected automatically. Alternatively, from the drop-down menu, search for a similar model or use the generic profile options instead.
   
   
   
   
3. Adjust the Sharpness Falloff slider for that profile to 100% to fully correct this issue (if there is one).
   
   
   
   
4. Alternatively, experiment with the image at 100% to get an appropriate setting. Values higher than 100% are possible and increase the effect of the correction.
   
   
5. The setting can be saved as a User Preset and applied to multiple images onwards.

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