Canon EOS Rebel T3i 18-135mm IS Lens Kit EOS REBEL T3i / EOS 600D Instruction - Page 110
Correcting the Image's Dark Corners
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3 Correcting the Image's Dark Corners Due to the lens characteristics, the four corners of the picture might look darker. This phenomenon is called lens light fall-off or drop in peripheral illumination and can be corrected automatically. The default setting is [Enable]. With JPEG images, the correction is done when the image is captured. For RAW images, it can be corrected with Digital Photo Professional (provided software, p.302). 1 Select [Peripheral illumin. correct.]. Under the [1] tab, select [Peripheral illumin. correct.], then press . 2 Select the setting. On the screen, check that [Correction data available] is displayed for the attached lens. If [Correction data not available] is displayed, see "About the Lens Correction Data" on the next page. Select [Enable], then press . 3 Take the picture. The image will be recorded with the corrected peripheral illumination. Correction disabled 110 Correction enabled