Apple MB673Z/A User Manual - Page 466

4 Adjust the amount of vignette to apply to the image by doing one of the following: Use the Amount slider and value slider to adjust the amount of brightness removed from the edges of the image. Â Drag the Amount slider to the left to decrease the amount of dark shading applied to the edges of the image, or drag it to the right to increase the dark shading. Â Click the left or right arrow in the Amount value slider to change the amount of dark shading applied to the edges of the image, or drag in the value field. The left arrow decreases the amount of dark shading applied to the edges of the image, and the right arrow increases the dark shading. Â Double-click the number in the Amount value slider, then enter a value from 0.00 to 1.00 and press Return. 5 To adjust the distance Aperture goes from the edge of the image, in pixels, to apply the vignette adjustment, do one of the following: Use the Size slider and value slider to adjust the size of the area over which the vignette adjustment is applied. Â Drag the Size slider to the right to increase the number of pixels Aperture goes toward the center of the image to apply the vignette adjustment, or drag it to the left to limit the vignette to the edges of the image. Â Click the left or right arrow in the Size value slider, or drag in the value field. The left arrow limits the vignette adjustment to the edges of the image, and the right arrow moves the vignette adjustment toward the center point of the image. Â Double-click the number in the Size value slider, then enter a value from 0.0 to 2.00 and press Return. The Gamma vignette is applied to the image. You can also remove a vignette that was applied to an image when it was shot using the Devignette controls. For more information, see "Working with the Devignette Controls" on page 398. 466 Part III Performing Image Adjustments