Page 67 - CS6_PS_Look_Inside

4. Click the Format menu and choose TIFF.

5. Make sure the Layers check box is selected in the lower half of the dialog box.
Because this file contains layers, this option is probably checked by default. If your file
contained alpha channels, annotations, or spot colors, those check boxes would also be
available. The As a Copy check box can be used if you want to save multiple versions of
the same file with different options (which you will do in the next exercise).

Choosing a different
format automatically
changes the file’s
extension.

6. Leave the remaining options at their default values and click Save.

7. In the resulting TIFF Options dialog box, make sure the None image
compression option is selected.
TIFF files can be compressed (made smaller) using one of three
methods:
• None (as the name implies) applies no compression to
the file. This option is safe if file size is not an issue, but
digital file transmission often requires files to be smaller
than a full-page, multi-layered Photoshop file.
• LZW (Lempel-Ziv-Welch) compression is lossless, which
means all file data is maintained in the compressed file.
• ZIP compression is also lossless, but is not supported by
all desktop-publishing software (especially older versions).
• JPEG is a lossy compression scheme, which means some
data will be thrown away to reduce the file size. If you
choose JPEG compression, the Quality options determine
how much data can be discarded. Maximum quality means less data is thrown
out and the file is larger. Minimum quality discards the most data and results in a
smaller file size.

Project 1: Composite Movie Ad 75