Canon PowerShot SX40 HS User Manual page 57

Approximate Values for Recording Pixels and Compression
Ratio (for 4:3 Aspect Ratios)
Recording Pixels
(Large)
12M/4000x3000
(Medium 1)
6M/2816x2112
(Medium 2)
2M/1600x1200
(Small)
0.3M/640x480
• The values in the table are measured according to Canon standards and may change
depending on the subject, memory card and camera settings.
• The values in the table are based on 4:3 aspect ratio. If the aspect ratio is changed
(p. 55), more images can be shot because the data size per image will be smaller than
with 4:3 images. However, since
their data size will be larger than 4:3 images.
Approximate Values for Paper Size (for 4:3 Aspect Ratios)
A2 (16.5 x 23.4 in.)
A3 – A5 (11.7 x
16.5 – 5.8 x 8.3 in.)
5 x 7 in.
Postcard size
3.5 x 5 in.
Changing the Compression Ratio (Image Quality)
Single Image
Compression
Data Size
Ratio
(Approx. KB)
16:9 images have a setting of 1920 x 1080 pixels,
For sending images as e-mail
attachments.
Number of Shots per
Memory Card
(Approx. shots)
4 GB
3084 1231
1474 2514
1620 2320
780 4641
558 6352
278 12069
150 20116
84 30174
16 GB
5042
10295
9503
19007
26010
49420
82367
123550
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