Canon Powershot A540 Review
By Movable Type Admin
Features & Controls
The A540 features a 4X (35-140mm in the 35mm format) f/2.6-5.5 all-glass aspherical zoom lens. When the camera is powered down the lens is retracted inside of the body and a built in shutter closes to completely protect the lens.
An advanced TTL AiAF 9-point autofocus system permits the camera to automatically select the primary subject even when off-center. The focusing range is:
In low light conditions the focus-assist lamp helps to illuminate the subject for accurate focusing.
To attach auxiliary Canon lenses just press the button and remove the dress ring, attach the optional LA-DC52F Conversion Lens Adapter and then the Canon WC-DC52C 0.7x Wide Converter lens, TC-DC52A 1.75x Tele-converter lens or the 250D 52mm Close-up Lens.
The LA-DC52F adapter also allows the use of any 52mm filters or lenses.
The built in flash offers Auto, On, Off, Red-Eye Reduction On or Auto. Flash range is 1.5 ft. (45cm) - 11.5 ft. (3.5m) in wide angle, 1.5 ft. - 7.2 ft. (2.2m) in telephoto or 11.8 in. (30cm) - 1.5 (45cm) ft. in macro mode.
This is a new Light-guide zoom flash that changes its angle according to
the lens' focal length. The AF-assist lamp also serves as a red-eye reduction lamp.
Compact and elegantly designed, the optional High-Power Flash HF-DC1 complements your
PowerShot perfectly and requires no accessory shoe. With a strong light output (guide
number 59 ft.) and wide angular field (28mm), it delivers proper illumination up to
approximately 30 feet and in all zoom positions. The flash fires in synchronization with
the main flash, and output is adjusted accurately and automatically. A "Manual" mode
prevents others from firing your flash.
You can frame your pictures with the color LCD or to save precious battery
power you can use the optical finder. This is a coupled viewfinder with
approx. 80% to 85% coverage. It has no dioptric adjustment. Next to the
finder are two LEDs that indicate the flash and focus status.
On the top you'll find the On/Off button, the shutter release with the zoom lens control mounted around it. In playback mode the zoom lever functions as the index and magnified image control. The Mode Dial with positions for: Manual, Aperture priority, Shutter-speed priority, Program AE, Auto, Portrait, Landscape, Night Scene, Movie, Stitch Assist, Special Scene.
See the next page for more information about the
various Record modes.
The A540 features a 2.5-inch LCD for framing, review and menu operations.
Controls on the back:
in the upper right is the Play / Record switch.
The +/- button lets you change exposure compensation in P mode and change the settings when
in Tv, Av and Manual modes, it also
functions as the image delete button in playback mode.
The Print/Share button speeds and simplifies printing to Direct Print and
PictBridge compliant printers, as well as transferring images.
The 4-way controller lets
you navigate menus and select images during playback, the SET button accepts
menu selections, In record mode you
press "Up" to change flash modes and press "Down" to change the focus mode.
The FUNCtion/SET button gives you access to many settings (white balance,
ISO, Color effects, image quality and image size.)
The DISPlay button turns the
color LCD on/off and controls the amount of data displayed on it.
The MENU button calls up and dismisses the menu screens.
The DIGITAL port connects USB 2.0 to the computer for download and camera control with the RemoteCapture software. It also allows for Direct printing to any PictBridge compatible printer, Canon Card Photo Printer or Bubblejet Direct photo printers.
DC INput jack for an optional AC power supply.
The Powershot A540 is equipped with a Secure Digital card slot and comes with a Canon 16MB MMC card. It can handle any capacity SD or MMC card up to 2GB. Shown here is the fast and spacious SanDisk Ultra II SD Plus 1GB card with a built-in USB 2.0 high speed interface.
16MB Storage Capacity approx.
128MB/512MB Storage Capacity approx.
The A540 can be powered by two standard AA-type batteries, alkaline, NiMH (nickel metal hydride), or lithium cells. Canon claims with AA Alkaline batteries you can capture approx. 90 shots (LCD on), 240 shots (LCD off), and 180 minutes of continuous playback time. With NiMH cells Canon claims approx. 360 shots (LCD on), 800 shots (LCD off), and 300 minutes of continuous playback time. Check out our NiMH rechargeable battery page for more info on NiMH battery types.
A user-replaceable lithium "coin" battery retains time, date and camera settings during main battery changes.
Canon also offers a battery and charger kit CBK4-200 that includes both a
charger unit and four rechargeable AA-size NiMH batteries. The
A540 can also be powered by the AC Adapter Kit ACK800 for unlimited runtime
from your wall outlet.
The optional WP-DC2 waterproof housing with a depth rating of 40m/130 feet is available for the PowerShot A540, making it a natural for underwater photo enthusiasts, SCUBA divers and even snorkelers. (Note: A similar housing is shown above for purposes of illustration only.)
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