112SpecificationsPowerShot A10 PowerShot A20Image Sensor Approx. 1.32 million-pixel (total). 1/2.7 in. CCD Approx. 2.11 million-pixel (total). 1/2.7 in. CCD(effective pixels: approx. 1.25 million) (effective pixels: approx. 2.02 million)Lens 5.4 (W) – 16.2 (T) mm (35 mm film equivalent: 35 – 105 mm), F 2.8 (W) – 4.8 (T)Digital Zoom Maximum 2.0× Maximum 2.5×(Maximum 6× with optical zoom) (Maximum 7.5× with optical zoom)Optical Viewfinder Primary imaging real-image optical zoom viewfinderLCD Monitor 1.5-inch low-temperature polycrystalline silicon TFT color LCD, approx. 120,000 pixelsAutofocus TTL 3 point AiAFFocusing Range Normal: 76 cm (2.5 ft.) – ∞Macro: 16 – 76 cm (6.3 in. – 2.5 ft.) (W) / 26 – 76 cm (10.2 in. – 2.5 ft.)(T)Shutter Mechanical + electronicShutter Speed 1 – 1/1500 sec.• 1 sec. in manual mode with the flash off or in slow synchro mode.• Noise reduction processing on speeds slower than 1/6 sec.Light Metering Method Evaluative metering (linked to focusing point)Exposure Control Program AEExposure Compensation ±2 EV (1/3 steps)Sensitivity ISO 100 equivalent (automatically raised to ISO 150 in low light)White Balance TTL auto/preset (daylight, cloudy, tungsten, fluorescent)Flash Red-eye reduction auto/auto/on/off/slow-synchroFlash Range Normal Mode: 76 cm – 4.2 m (2.5 – 13.8 ft.) (W), 76 cm – 2.5 m (2.5 – 8.2 ft.) (T)Macro Mode: 26 – 76 cm (10.2 in. – 2.5 ft.) (W/T)(W): wide angle (T): telephoto