102
Appendices
Specifications

PowerShot A50

Image Sensor: 1,310,000-pixel (total), 1/2.7-inch charge coupled device (effective pixels 1,250,000)
Gradation Reproduction:8 bits x 3 colors (10-bit data processing)
Sensitivity: Equivalent to ISO 100 to 400 (ISO 400 for Small mode in low light only)
Image Data Storage: CompactFlashâ„¢ card
File Format: Design rule for Camera File System/CIFF (Camera Image File Format)
Image Compression: Images: JPEG and proprietary Canon format (CRW); Thumbnails: JPEG
Compression Modes: Fine, Normal and CCD RAW
Recorded Image Size: 1280 x 960 pixels (Large), 640 x 480 pixels (Small)
Image Properties: Shooting date and time, image serial number, etc.
Camera Modes: Auto, Program, Stitch Assist, Play, Multi and PC
Lens: 4.3 mm/F2.6 to 10.8 mm / F4.0 (35 mm film equivalent: 28 to 70 mm)
Viewfinder: Real-image optical viewfinder
2-inch low-temperature poli-silicon thin-film transistor liquid crystal display
Shutter: Mechanical + electronic
Shutter Speeds: Slow Shutter Off: 1/6 to 1/750 sec. ; Slow Shutter On or Night Scene setting: 2 to 1/750 sec.
Focusing Method: Through the lens autofocus (TTL AF)
Focusing Range: Standard: 20 in. (50 cm) to infinity; Macro: 6.7 to 20 in. (17 to 50 cm)
Auto Exposure Method: Program
Metering Range: EV 2 - 16.5