Canon PowerShot G12 PowerShot G12 Camera User Guide - Page 79
Changing the Compression Ratio, Image Quality
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Changing the Compression Ratio (Image Quality) You can choose from the following two compression ratios (image quality): (Fine), (Normal). Choose the compression ratio setting. ● After pressing the m button, press the op buttons to choose , then press the l button. Choose an option. ● Press the qr buttons or turn the Ê dial to choose an option, then press the m button. X The setting will appear on the screen. Approximate Values for Recording Pixels and Compression Ratio (for 4:3 Aspect Ratios) Recording Pixels Compression Ratio Single Image Data Size (Approx. KB) (Large) 10 M/3648x2736 2565 1226 Number of Shots per Memory Card 4 GB 1471 16 GB 6026 3017 12354 (Medium 1) 6 M/2816x2112 1620 780 2320 4641 9503 19007 (Medium 2) 2 M/1600x1200 558 6352 26010 278 12069 49420 (Small) 0.3 M/640x480 150 20116 82367 84 30174 123550 • 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. 78), more images can be shot because the data size per image will be smaller than with 4:3 images. However, since 16:9 images have a setting of 1920 x 1080 pixels, their data size will be larger than images. 79