Preservation
| Resolution (dpi) | Bit depth | File format | |
|---|---|---|---|
| Book | 600 | 24 bit color | TIFF |
| Photograph | 600 | 24 bit color | TIFF |
| Slide | 2700 (300 @ 900%) | 24 bit color | TIFF |
| Film | 2700 (300 @ 900%) | 24 bit color | TIFF |
| Overside item (maps, large books, etc.) | 400 or as high as possible | 24 bit color | TIFF |
OCR
| Resolution (dpi) | Bit depth | File format | |
|---|---|---|---|
| Book | 300 | black and white | JPEG or TIFF |
GIS
| Resolution (dpi) | Bit depth | File format | |
|---|---|---|---|
| Map | 400 or as high as possible | 24 bit color | TIFF |
Web
| Resolution (dpi) | Bit depth | File format | |
|---|---|---|---|
| Book/photograph | 72-200 | 24 bit color | JPEG or TIFF |
| Slide/film | 72-200 @ 900% | 24 bit color | JPEG or TIFF |
Deliverable
| Resolution (dpi) | Bit depth | File format | |
|---|---|---|---|
| Web: thumbnail | 72 dpi, size: 120 pixels on longest side | 24 bit color | JPEG or GIF |
| Web: screen-size | 72-300 dpi, size: 1024 x 768 pixels | 24 bit color | JPEG or GIF |
| Web: screen-height page image | 72-300 dpi, size: 650-850 pixels x proportional pixel height | 24 bit color | JPEG or GIF |
| Print: color | 300-400 | 24 bit color | JPEG or TIFF |
| Print: black and white | 300-400 | 8 bit grayscale | JPEG or TIFF |