Canon EOS 5D Mark III Instruction Manual page 288

S Resize
Resize Options According to Original Image Size
Original Image Size
3
4
a
b
About Image Sizes
The image size displayed in step 3 on the preceding page, such as [**M
****x****], has a 3:2 aspect ratio. The image size according to aspect
ratios is shown in the table below.
The asterisked image-recording quality figures do not exactly match the
aspect ratio. The image will be cropped slightly.
Image
Quality
3840x2560
4
(9.8 megapixels)
2880x1920
a
(5.5 megapixels)
1920x1280
b
(2.5 megapixels)
720x480
c
(350,000 pixels)
288
4
k
Aspect Ratio and Pixel Count
3:2
3408x2560*
(8.7 megapixels)
2560x1920
(4.9 megapixels)
1696x1280*
(2.2 megapixels)
640x480
(310,000 pixels)
Available Resize Settings
a
k
k
4:3 16:9
3840x2160
(8.3 megapixels)
2880x1624*
(4.7 megapixels)
1920x1080
(2.1 megapixels)
720x400*
(290,000 pixels)
b c
k k
k k
k k
k
1:1
2560x2560
(6.6 megapixels)
1920x1920
(3.7 megapixels)
1280x1280
(1.6 megapixels)
480x480
(230,000 pixels)