Canon PowerShot S20Canon packs 3 megapixels and a 2x optical zoom into their "smallest digicam" body!<<Camera Modes & Menus :(Previous) | (Next): Video, Power, Software>> Page 10:Image Storage & InterfaceReview First Posted: 4/4/2000 |
Image Storage and Interface
The S20 utilizes
CompactFlash (Type I and II) memory cards as its image storage medium, which
should never be removed from the camera while in use. (Removing a card while
the camera is still writing to it could cause permanent damage to the card.)
A 16MB card comes with the camera, but upgrades are available to 30MB and 48MB
from Canon, and as large as 224MB from third parties, or even 340MB in the form
of the IBM MicroDrive. The S20 organizes images into storage folders, assigned
numbers from 100 to 998. Within each folder, images are numbered from 0001 to
9900 and stored in a folder containing up to 100 files. Note that images shot
together in Stitch Assist mode are always kept together in the same folder,
possibly resulting in some folders having 101 or more files.
You can protect individual images on the CompactFlash card through the Play
menu in Playback mode. This prevents accidental erasure of images (except from
erasure through card formatting). If you want to erase images, the Play Menu
offers a Single Erase and Erase All option.
Below are the approximate compression ratios and maximum images for a 16MB card:
|
Resolution/Quality |
|
|
|
|
| High Resolution | Images | 6 | 16 | 31 |
| Approx. Compression |
4:1 | 8:1 | 18:1 | |
| Medium Resolution | Images | 17 | 44 | 82 |
| Approx. Compression |
2:1 | 6:1 | 12:1 | |
| Low Resolution | Images | 36 | 94 | 176 |
| Approx. Compression |
3:1 | 5:1 | 10:1 | |
Follow Imaging Resource: