PowerShot A40

PowerShot A Series
Item Code: 7634A001


Main Unit Spec

Type of Camera
TypeCompact Digital Still Camera with Built-in Flash, 3x Optical Zoom Lens, and 2.5x Digital Zoom.
Image Capture Device
Type1/2.7 inch Charge-Coupled Device (CCD)
Total PixelsApprox. 2.1 million
Effective Pixels2 million
Focal Length7.1-21.3mm (35mm film equivalent: 35-105mm)
Digital Zoom2.5x Digital Zoom (Maximum 7.5x digital zoom is available when combined with 3x optical zoom.)
Autofocus SystemTTL AiAF (3 focusing points), TTL AF (center focusing point)
Optical ViewfinderReal-image optical zoom viewfinder, approx. 80% coverage.
LCD Monitor1.5 inch low temperature polycrystalline silicon TFT color LCD
Aperture and Shutter
Maximum Aperturef/2.8- f/4.8
Shutter Speed15-1/1500 sec.
Exposure Control
SensitivityEquivalent to ISO 50/100/200/400/ Auto (50-150), or user-set ISO 50, 100, 200, or 400
Light Metering MethodEvaluative Metering or Spot Metering
Exposure Control MethodProgram AE or Manual exposure control
Exposure Compensation+/- 2.0 EV in 1/3 step increments
White Balance
White Balance ControlTTL Auto White Balance, Pre-Set White Balance (Available Settings: Daylight, Cloudy, Tungsten, Fluorescent, or Fluorescent H).
Built-in FlashOperation Modes: Auto/On/Off, Auto Red-Eye Reduction Auto/On, Slow-Sync.
Shooting Specifications
Shooting ModesFull Auto, Program, Manual, Stitch Assist, Movie, Photo Effect (Vivid Color, Neutral Color, Low Sharpening, Sepia, Black & White).
Continuous ShootingApprox. 2.5 images/sec.
Image Storage
Storage MediaCompactFlash (CF) Card Type I
File FormatDesign rule for Camera File system (DCF*1), EXIF v.2.2 compatible
Print Order FormatDigital Print Order Format (DPOF) Version 1.1
Image Recording FormatStill Image: JPEG Movie: AVI
JPEG Compression ModeSuperFine, Fine or Normal
Number of Recording PixelsSmall: 640 x 480, Medium: 1,024 x 768, Large: 1,600 x 1,200, Movie: 320 x 240 or 160 x 120.
Number of Recordable Images
Image data
Menu SelectionFile Size
Large / SuperFine957
1,600 x 1,2007153164128
Large / Fine6111,600 x 1,200112449100200
Large / Normal3021,600 x 1,200244899200401
Medium / SuperFine4501,024 x 768163267135271
Medium / Fine2941,024 x 7682449102205412
Medium / Normal1551,024 x 7684692189379760
Small / SuperFine208640 x 4803570143288577
Small / Fine141640 x 4805099206415831
Small / Normal79640 x 480871723537071,417


These figures reflect standard shooting conditions established by Canon.
Actual totals and file sizes may vary according to the subject, shooting conditions and shooting mode.

Time of Recordable Movies
Movie data
Movie / High320 x 24018 sec.36 sec.76 sec.152 sec.305 sec.
Movie / Low160 x 12048 sec.97 sec.198 sec.399 sec.799 sec.


Figures for Movie Mode represent total capacity of CompactFlash Card. Individual clips are limited to 10 or 30 seconds. Above-written figures are measured under Canon's standard conditions and may vary depending on the scene, subjects or camera settings.

Playback Specifications
Playback Modes FileSingle, Index (9 thumbnail images), Magnification (2x to 10x), or Slide Show
Erasing Specifications
Erase ModesSingle Image, All Images
Computer InterfaceUniversal Serial Bus (USB)
Video OutNTSC or PAL selectable
Audio OutMonaural
OtherDirect connection to Canon Card Photo Printer CP-100 and CP-10 (no computer required)
Power Supply 4 AA-size Batteries (Alkaline, Rechargeable NiMH), AC Adapter Kit ACK600
Power Source4 AA-size Batteries (Alkaline, Rechargeable NiMH), AC Adapter Kit ACK600
Physical Specifications
Dimensions (W x H x D)4.3 x 2.8 x 1.5 in. / 110 x 71 x 38 mm
Weight8.8 oz. / 250g
Computer System Requirements
Mac RequirementsHardware: Power Macintosh, PowerBook, iMac or iBookOS: Mac OS 8.6 through 9.1 (Please see our Mac OS X Compatibility Statement)CPU: Power PC Interface: USB: Cable connection via camera's USB port is limited to genuine Apple Computer brand models with a built-in USB interface (Power Macintosh NEW G3/G4, PowerBook G3, iMac, iBook).RAM: 20MB and over for application
PC RequirementsHardware: IBM PC/AT compatibleOS: Windows 98 (including the Second Edition), Windows 2000, Windows Me, Windows XP (Please see our Windows XP compatibility statement)CPU: Pentium 150 MHz and overInterface: USB: Cable connection via camera's USB port is limited to pre-installed Windows 98, Windows 2000 and pre-installed or upgraded Windows ME or Windows XP systems.RAM: 32MB or more (Windows 98)RAM: 64MB or more (Windows 2000/Windows ME)RAM: 128MB or more (Windows XP)
*1 "DCF" is an abbreviation of "Design rule for Camera File system" standardized by Japan Electronics and Information Technology Industries Association (JEITA).