Canon PowerShot Pro 90 IS User Guide

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Appendices   
129
Specifications
PowerShot Pro90 IS
Image sensor:
Approx. 3.34 million-pixel (total), 1/1.8 inch CCD (Effective
number of pixels: approx. 3.24 million, recording pixels:
approx. 2.58 million)
Lens:
7 (W) - 70 (T) mm (35 mm equivalent: 37-370 mm)
F2.8 (W) – F3.5 (T)
Digital tele-converter:
2x, 4x (Maximum 40x digital zoom is available when
combined with optical zoom)
Autofocus method:
TTL autofocus (continuous)
Focus lock and manual focus are available
Focusing range:
Normal AF / Manual Focus: 10 cm (W) / 1 m (T) - 
(from tip of the lens barrel)
(3.9 in. (W) / 3.3 ft. (T) - 
)
Shutter:
Mechanical shutter + electronic shutter
Shutter speeds:
8 - 1 / 1000 sec.
8 sec. shutter is available in Shutter-Priority mode or Manual
mode
1/1000 sec. available at aperture settings from F4 to F8
Sensitivity
Auto, ISO 50, ISO 100, ISO 200 and ISO 400 equivalent
(equivalent film speed) :
(In Auto mode, camera automatically adjusts sensitivity in
the range of ISO 50 to ISO 100 equivalent)
Light metering method:
Center-weighted average metering or Spot metering
Exposure control method:
Program AE, Shutter-priority AE, Aperture-priority AE or
Manual exposure control
AE lock is available
Exposure compensation:
±
 2.0EV (in 1/3-stop increments)
Auto Exposure Bracketing (AEB) is available
White balance:
TTL auto white balance, pre-set white balance (available
settings: Daylight, Cloudy, Tungsten, Fluorescent or Flash) or
Custom White Balance
Built-in flash:
Operating modes: Auto, Red-eye reduction auto, Red-eye
reduction On, On or Off
Flash range:
70 cm – 4.2 m (2.3 – 13.8 ft.) (W) /
1 m – 3.4 m (3.3 – 11.2 ft.) (T)
(At ISO 100 equivalent)
Terminals for external flash:
Sync-terminals at accessory shoe
Use of following external flashes is recommended:
Canon Speedlite 220EX, 380EX, 420EX and 550EX
Flash exposure compensation:
±
 2.0EV (in 1/3-stop increments)
(W): wide angle   (T): telephoto