Canon POWERSHOT A640- User Manual
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Canon PowerShot A640
IMAGE SENSOR
Type
1/1.8” CCD
Effective Pixels
Approx.10.0M
Colour Filter Type
Primary Colour
IMAGE PROCESSOR
Type
DIGIC II with iSAPS technology
LENS
Focal Length
7.3 – 29.2 mm (35mm equivalent 35-140 mm)
Zoom
Optical 4x. Digital approx. 4x (with Digital Tele-converter
approx. 1.4x or 2.3x and Safety Zoom (7)) (6). Combined
approx. 16x
Maximum f/number
f/2.8-f/4.1
Construction
8 elements in 7 groups (2 aspherical elements)
FOCUSING
Type
TTL
AF System/ Points
9-point AiAF, 1-point AF (Any position is available or fixed
centre)
AF Point Selection
Manual selection using FlexiZone AF/AE
AF Lock
On/Off Selectable
AF Assist Beam
Yes
Manual Focus
Yes
Closest Focusing Distance
1cm
EXPOSURE CONTROL
Metering modes
Evaluative, Centre-weighted average, Spot (centre or linked
to focusing frame)
AE Lock
Locked when shutter button is pressed half way
Exposure Compensation
+/- 2 EV in 1/3 stop increments
ISO Speed Equivalent
AUTO, High ISO Auto, 80, 100, 200, 400, 800
SHUTTER
Speed
15 – 1/2,500 sec
(Available shutter speeds vary depending on the shooting
mode)
WHITE BALANCE
Type
TTL
Settings
Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent
H, Underwater, Custom
VIEWFINDER
Viewfinder
Real-image zoom, optical viewfinder
LCD MONITOR
Monitor
Vari-angle 2.5” P-Si TFT, approx. 115,000 pixels
Coverage
100%
FLASH
Modes
Auto, Manual Flash On / Off
Slow Sync Speed
Yes
Red-eye Reduction
Yes
Flash Exposure Compensation
+/- 2 EV in 1/3 stop increments
Flash Exposure Lock
Yes
Second Curtain Synchronisation
Yes
Built-in Flash Range
45cm - 4.2m (W) / 3m (T) (at ISO AUTO equivalent)
External Flash
Canon's High Power Flash HF-DC1
SHOOTING
Modes
Auto, Program AE, Shutter priority AE, Aperture priority AE,
Manual, Custom, Portrait, Landscape, Night Scene, Stitch
Assist, Movie, Special Scene (Night Snapshot, Kids & Pets,
Indoor, Foliage, Snow, Beach, Fireworks, Underwater, Color
Accent, Color Swap)
Photo Effects
My Colors (My Colors Off, Vivid, Neutral, Sepia, Black &
White, Lighter Skin Tone, Darker Skin Tone, Positive Film,
Custom Color)
Drive modes
Single, Continuous, Self-Timer
Continuous Shooting
Approx.1.5 fps (1) (until memory card becomes full) (2)
RECORDING PIXELS / COMPRESSION
Image Size
(L) 3648 x 2736, (M1) 2816 x 2112, (M2) 2272 x 1704, (M3)
1600 x 1200, (S) 640 x 480, (W) 3648 x 2048 (Postcard
Date Imprint) 1600 x 1200
Compression
Superfine, Fine, Normal
Movies
(L)640 x 480, 30/15fps
(M)320 x 240, 30/15fps (S)160 x 120, 15fps
Movie Length
Up to 1GB or 1 hour (L and M). Up to 3 min (S) (2)
FILE TYPES
DIGITAL CAMERA SPECIFICATIONS
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