Canon EOS 7D Mark II Wi-Fi Adapter Kit Manual

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For images shot with EF 8
15mm f/4L USM Fisheye, a fine-tune 
slider is also displayed when you select [Emphasize Linearity] 
from the [Effect] list box. 
Adjust the amount of correction for distortion aberration with the 
adjustment slider, and then adjust with the fine-tune slider if more 
adjustment is required.
When the list box for selecting an extender is displayed, select 
the extender attached at the time of shooting from the list box.
4
Click the [OK] button.
The [Lens aberration correction] window closes and the result of 
the corrections is applied to the image in the edit window and the 
image is redisplayed.
The result of the settings of the [Lens aberration correction] 
window is also displayed in the tool palette.
In the main window, the [
] mark is displayed on the image to 
indicate the lens aberration corrections 
.
Effects of Distortion Aberration Correction for 
Fisheye Lenses
Shot settings
By selecting this option, only distortion aberration correction for 
correcting optical distortion is performed.
Emphasize Linearity
This converts the image to a “central projection” style image. This 
projection method is used with general lenses.
Differing from fisheye lenses, central projection displays straight lines 
as straight lines. By selecting this option, a wide-view panoramic 
image can be obtained. However, the periphery is stretched, resulting 
in decreased resolution.
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