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Canon PowerShot A540 comparison

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Product name	Canon PowerShot A540	Canon PowerShot SX120 IS	Canon PowerShot A1100 IS (gray)	Canon PowerShot S90	Sony Cyber-shot DSC-W290 (blue)
Price	$289.99	$199.00 to $255.00	$129.00 to $192.00	$379.00 to $399.99	$193.95 to $229.99
CNET editors' rating	3.5 stars Overall score: 7.6 (3.5 stars)	3.5 stars Overall score: 7.0 (3.5 stars)	3.5 stars Overall score: 7.0 (3.5 stars)	4.0 stars Overall score: 8.0 (4.0 stars)	4.0 stars Overall score: 8.0 (4.0 stars)
Average user rating	3.5 stars	4.0 stars		4.5 stars	4.0 stars
Release date	March 07, 2006	August 19, 2009			April 01, 2009
The Bottom Line	Solid image quality plus manual and automated exposure controls make the Canon PowerShot A540 a nice low-cost option for snapshooters and photo enthusiasts.	Canon's SX120 IS pocket megazoom falls behind the competition in every aspect except photo quality.	Aside from a couple performance quibbles, the Canon PowerShot A1100 IS provides a good point-and-shoot experience with great pictures as a result.	As long as you're not expecting dSLR speed in a tiny body, the Canon PowerShot S90 is an excellent compact camera for advanced amateurs.	The Sony Cyber-shot DSC-W290 is an excellent, well-balanced compact camera.
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Lens aperture	F/2.6-5.5	F/2.8-4.3	F/2.7-5.6	F/2.0-4.9	F/3.3-5.2
Equivalent 35mm focal length	35 - 140 mm	36 - 360 mm	35 - 140 mm	28 - 105 mm	28 - 140 mm
Optical zoom	4 x	10 x	4 x	3.8 x	5 x
Light sensitivity	ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO auto	ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO 1600 ISO auto ISO 3200 (2Mpix)	ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO 1600 ISO 3200 ISO auto	ISO 80 ISO 100 ISO 125 ISO 160 ISO 200 ISO 250 ISO 320 ISO 400 ISO 500 ISO 640 ISO 800 ISO 1000 ISO 1250 ISO 1600 ISO 2000 ISO 2500 ISO 3200 ISO auto	ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO 1600 ISO 3200 ISO auto
Display (projector) technology	TFT active matrix	TFT active matrix	TFT active matrix	TFT active matrix	TFT active matrix
Memory storage capacity	16 MB	128 KB	128 MB	Info unavailable	11 MB
Video input type	Digital camera	Digital camera	Digital camera	Digital camera	Digital camera
Flash memory form factor	MultiMediaCard	SD Memory Card	SD Memory Card	Info unavailable	Integrated
Digital zoom	4 x	4 x	4 x	4 x	2 x
Battery technology	Info unavailable	Info unavailable	Lithium ion	Info unavailable	Lithium ion
Weight	6.3 oz	8.6 oz	5.5 oz	6.2 oz	6.1 oz
Effective sensor resolution	6,000,000 pixels	10,000,000 pixels	12,100,000 pixels	10,000,000 pixels	12,100,000 pixels
Still image format	JPEG	JPEG	JPEG	RAW JPEG RAW + JPEG	JPEG
Service & support type	Info unavailable	Info unavailable	1 year warranty	Info unavailable	1 year warranty
Display (projector) diagonal size	2.5 in	3 in	2.5 in	3 in	3 in
Manual focus	Manual Automatic	Manual Automatic	Manual Automatic	Manual Automatic	Manual Automatic
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	Amazon.com Marketplace $289.99 In stock: Yes Price from 1 CNET Certified store	B&H Photo-Video $199.95 In stock: Yes Buydig.com $199.00 In stock: Yes TigerDirect.com $199.99 In stock: Yes Prices from 15 CNET Certified stores	Lenovo $192.00 In stock: Yes Amazon.com $129.00 In stock: Yes Beach Camera $129.00 In stock: Yes Prices from 15 CNET Certified stores	B&H Photo-Video $399.95 In stock: Yes Buydig.com $399.00 In stock: Yes TigerDirect.com $399.99 In stock: Yes Prices from 14 CNET Certified stores	Sony Electronics, Inc. $199.99 In stock: Yes Amazon.com $199.00 In stock: Yes J&R Music and Computer World $199.00 In stock: Yes Prices from 12 authorized stores
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