Canon EOS REBEL T2i 用户手册

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页码 260
3
 Setting the Image-recording Quality
74
1
 is the raw image data before it is made into 73 or other images. 
Although 1 images require software like Digital Photo Professional 
(provided) so they can be displayed on the computer, they also offer flexibility 
for image adjustments possible only with 1. 1 is effective when you 
want to precisely adjust the image yourself or shoot an important subject.
1
+73 records both a 1 and 73 image with a single shot. The two 
images are saved to the card simultaneously. The two images will be saved 
in the same folder with the same file numbers (file extension .JPG for JPEG 
and .CR2 for RAW). 73 images can be viewed or printed even with a 
computer which does not have the camera’s provided software.
About 1
About 1+73
1
73
0001 . JPG
0001 . CR2
File number
File extension
image
image
1
1+73 and [Custom Functions (C.Fn)] menu
[High ISO speed noise reduction]
Although the [7 Custom Functions (C.Fn)] menu’s [High ISO speed 
noise reduction
] (p.193) settings (Standard/Low/Strong/Disable) are 
applied to the recorded images, the images are displayed without noise 
reduction during image playback (on the LCD monitor and on a TV screen) 
or direct printing. (Noise may be noticeable in the images.) You can check 
the noise reduction effect or print noise-reduced images with Digital Photo 
Professional (provided software).
Commercially-available software might not be able to display RAW images. 
Using the provided software is recommended.
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