Automatic Focus............ 54
Types of Autofocus......... 55
Center-Weighted Autofocus Lock.
56Focus and Depth of Field...... 58
Controlling Depth of Field.... 58
Lens Focal Length, Aperture,
and Light................ 605 Exposure and Focus.......... 63Digital Cameras and Color
Balance................. 64
Color Balance and Film...... 66
Color Balance and Slide Film.. 66Exposure Latitude........... 66Film Latitude............... 676 Getting Your Pix Onscreen.... 71
Working with Scan Software.. 73Making a Scan Step by Step... 74
Determining the Samples per
Inch of a Scan............. 76
Scanning for Internet Output.. 77
Scanning for Inkjet and Dye-
Sublimation Output......... 78
Scanning for Laser and Offset
Printing.................. 79Alternatives to Scanning...... 797Files and File Formats........ 81Photoshop Elements and
Photoshop: File Format
Compatibility............ 84JPEG File Format............ 86
How JPEG Works........... 88
The Replacement for JPEG:
JPEG2000................ 90TIFF File Format............. 91Photoshop File Format....... 958File Recovery: Finding “Lost”
Images.................. 97Using PC Inspector File
Recovery................ 99Recovering Lost Images from
Flash Media............. 100
Recovering Specific Images... 102
Partially Corrupt Files....... 102Filesystems at Work: The File
Allocation Table (FAT)..... 103
What Happens to Lost Data.. 106Preventative Maintenance:
Defragmenting Flash Media 107
Formatting Flash Media..... 108
Formatting in the Camera... 108Another Disaster Point: USB.. 109III Image Editing...........9 Basic Editing with Photoshop
Elements and iPhoto...... 113Finding an Image on Your
Computer.............. 114Editing with Photoshop
Elements............... 116
Printing Resolution......... 116
Resizing an Image Step
by Step................. 116
Resampling an Image....... 118Rescan or Resample a Photo.. 119
Resampling 101........... 12000 0789731207_fm.qxd 4/6/04 2:16 PM Page v