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130 Appendices
Specifications
PowerShot G1
Image sensor: Approx. 3.34 million-pixel (total) / 1/1.8 inch CCD
(Effective number of pixels: approx. 3.24 million)
Lens: 7 (W) - 21 (T) mm (35mm film equivalent: 34 - 102mm)
F 2.0 (W) - 2.5 (T)
Digital tele-converter: 2x, 4x (Maximum 12x digital zoom is available when
combined with optical zoom)
Autofocus method: TTL autofocus (continuous or single)
Focus lock and Manual focus are available
Focusing range: Normal AF: 70 cm (2.3 ft.) - ∞
(from tip of the lens barrel) Macro AF: 6 cm (W) / 20 cm (T) - 70 cm
(2.4 in. (W) / 7.9 in. (T) - 2.3 ft.)
Manual focus: 6 cm (W) / 20 cm (T) - ∞
(2.4 in. (W) / 7.9 in. (T) - ∞)
Shutter: Mechanical shutter + electronic shutter
Shutter speeds: 8
-
1 / 1000 sec.
8 sec. shutter is available in Shutter-Priority mode or Manual
mode
High-speed shutter settings from 1/640 to 1/1000 sec. are
available only at F8 aperture setting
Slow shutter speeds of 1.3 sec. or more operates with noise
reduction
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 - 4.5 m (2.3 ft. - 14.8 ft.) (W),
70 cm - 3.6 m (2.3 ft. - 11.8 ft.) (T)
(When sensitivity is set to ISO 100
equivalent)
(W): wide angle (T): telephoto