Canon PowerShot G1, Service Manual

Page: 28 / 201

G22
5. Specifications
5-1 Specifications
<CCD>
-Reading format Interline
-Chip size 8.10 (H) X 6.64 (V) mm (0.3 X 0.2 in.) equivalent to 1/1.8-inch
-Total pixels Approx. 3.34 million (2,140 (H) X 1,560 (V))
-Effective pixels Approx. 3.24 million (2,088 (H) X 1,550 (V))
<Lens>
-Focal length 7 (W) - 21 (T) mm (34 (W) - 102(T) mm 35mm film equivalent)
-f/number 2.0 (W) - 2.5 (T)
-Focusing range Normal AF : 70 cm (2.3 ft.) -infinity
(Measured from top of lens Macro AF : 6 (0.2 ft.) (W)/20 (0.7 ft.) (T) - 70 cm (2.3 ft.)
barrel) Manual Focus : 6 (0.2 ft.) (W)/20 (0.7 ft.) (T) - infinity
-Lens construction 7 groups 8 pieces
<Optical viewfinder>
-Type
Real-image optical zoom viewfinder
-Magnification 0.31 (W) - 0.93 (T)
-Coverage Vertical : 84% Horizontal : 84% (When object is 3m away.)
-3.0-+1.0 dpt.
<LCD viewfinder>
-Type Low-temperature polycrystalline silicon TFT color LCD
-Pixels 113.578 dot (521 (H) X 218 (V))
-Display size 46 mm diagonal (1.8inch)
-Coverage 97%
<Focusing>
-Control system
TTL Autofuocus (Continuous/Single) AF lock and Manual focus are available.
-Focusing points 1 focusing point
<Exposure control>
-Light Metering method Center-weighted averaging/Spot
-Exposure method Program AE/Shutter speed-priority AE/Aperture-priority AE/Manual
AE Lock is available.
-Exposure compensation +/-2.0EV (at every 1/3-stop)
Auto Exposure Bracketing (AEB) is available.
<White balance>
-Mode
TTL auto white balance, pre-set white balance (available settings : Daylight, Cloudy,
Tungsten, Fluorescent or Flash) or Custom white balance
<Aperture and shutter>
-Shutter type Mechanical shutter and electronic shutter
-Aperture range W : F2.0 - F8.0/T : F2.5 - F8.0
-Shutter speed 8 - 1/1,000 sec.
(8 sec. shutter is available in Shutter speed-priority AE or Manual mode.)
(Aperture value is fixed to F8 if users set the shutter speed from 1/640 to 1/1,000 sec.
in Shutter speed-priority AE or Manual mode.)
(Shutter speed from 1/640 to 1/1,000 sec. is not available, if users set aperture value
except for F8 in Aperture-priority mode or Manual mode.)
Slow shutter of 1.3 sec. and more operates with noise reduction.