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Appendix
All data is based on Canon’s standard testing methods. Subject to
change without notice.
PowerShot SD450 DIGITAL ELPH/DIGITAL IXUS 55
Specifications
(W): Max. wide angle (T): Max. telephoto
Camera Effective
Pixels
Approx. 5.0 million
Image Sensor 1/2.5-inch CCD (Total number of pixels: Approx.
5.3 million)
Lens 5.8 (W) – 17.4 (T) mm
(35mm film equivalent: 35 (W) – 105 (T) mm)
f/2.8 (W) – f/4.9 (T)
Digital Zoom Approx. 4.0x (Up to approx. 12x in combination
with the optical zoom)
Optical Viewfinder Real-image zoom viewfinder
LCD Monitor 2.5-inch, low-temperature polycrystalline silicon
TFT color LCD, approx. 115,000 pixels (Picture
coverage 100%)
AF System TTL autofocus
Focusing frame: 9-point AiAF/1-point AF (fixed
to center)
Shooting Distance
(From the front of
the lens)
Normal: 30 cm (1.0 ft.) – infinity
Macro: 3 – 50 cm (W)/30 – 50 cm (T)
(1.2 in. – 1.6 ft. (W)/1.0 – 1.6 ft. (T))
Infinity: 3 m (9.8 ft.) – infinity
Shutter Mechanical shutter + electronic shutter
Shutter Speeds 15 – 1/1500 sec.
The shutter speed varies according to the
shooting mode. Slow shutter speeds of 1.3 sec.
or slower operate with noise reduction.
Metering System Evaluative, Center-weighted average or Spot
(fixed to center)
Exposure
Compensation
± 2 stops in 1/3-stop increments
ISO Speed Auto*, ISO 50/100/200/400 equivalent
* Camera automatically sets the optimal speed.
EC181-CUGBook(Basic-Advanced).book Page 113 Friday, July 8, 2005 4:13 PM