Canon EOS 5Ds Instruction Manual page 150

3 Setting the Image-Recording Quality
Image-recording Quality Setting Examples
73 only
The image size [****x****] and number of possible shots [****] displayed on
the Image-recording quality setting screen always apply to the [Full-frame]
setting regardless of the [z4: Crop/aspect ratio] setting (p.154). The
number of possible shots displayed on the LCD panel and Live View
shooting screen during shooting is based on the [z4: Crop/aspect ratio]
setting.
If [–] is set for both RAW and JPEG, 73 will be set.
The number of possible shots will be displayed up to 1999 on the LCD
panel.
150
1+73
1 only
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