Setting JPEG Options

You can change the settings in the Options dialog box to control the quality of the JPEG image, encoding method, color subsampling method, and whether to update or create embedded thumbnails in the JPEG image.

JPEG Options

Image quality	Drag the slider to determine the quality of the JPEG image.
Encoding	Progressive: Select to enable progressive encoding. Optimize Huffman codes: Select to optimize Huffman codes to increase compression.
Color component sampling	2:1 Horizontal: Select to subsample color channels on the horizontal axis by a factor of 2:1. 2:1 Vertical: Select to subsample color channels on the vertical axis by a factor of 2:1.
Embedded thumbnails	Only update existing thumbnails: Select to update any existing embedded thumbnails. Always add/update thumbnails: Select to update any existing embedded thumbnails, or create embedded thumbnails. Never add/update thumbnails: Select if you do not want to update any existing embedded thumbnails, or if you do not want to create embedded thumbnails. Generate DCF compatible thumbnails: Select to generate thumbnails that meet the Digital Camera Format (DCF) specification and are compatible with the thumbnail view on the LCD of a digital camera. This option forces a fixed resolution of 160 x 120 and pads any extra space with black.
Save these settings as the defaults	Select this option to use these JPEG settings by default for all JPEGs.