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JPEG/RAW Image Size & Quality

The Optio 330 offers three different output resolutions (2048 x 1536, 1024 x 768, 640 x 480) in combination with three JPEG compression settings ( 6:1, 8:1, 16:1). The Optio 330 does not have an uncompressed TIFF or RAW mode.


Standard Test Scene

To give an impression of what some of the combinations of image size and quality produce the table below is a cross reference of some of them:

  • 2048 x 1536
  • 2048 x 1536
  • 2048 x 1536
  • 1024 x 768
  • 640 x 480

Images below are cropped 240 x 100 area of the image magnified 200% (nearest neighbour).


 
2048 x 1536

1,526 KB

1,090 KB

466 KB
 

 
1024 x 768
340 KB
 

 
640 x 480

130 KB


Image Processing Adjustments

The Optio 330 allows you to control three different image processing parameters: Sharpness, Saturation and Contrast. Each of these can be set independently and in any combination. The camera automatically memorizes these settings after power off.

Sharpness: Soft Sharpness: Normal Sharpness: Hard
Saturation: Low Saturation: Normal Saturation: High
Contrast: Low Contrast: Normal Contrast: High

My personal preference was for default Sharpness and Saturation but to set Contrast to the Low setting, this produced a better 'balanced' image with less of chance of blown-out highlights.

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