Canon PowerShot G11- Capable image-stabilised 5x optical zoom lens

6 Januari 2010 pukul 07:56 | Ditulis dalam canon, digital camera, gadget | Tinggalkan komentar

The Canon PowerShot G11 tops the company’s G-series of enthusiast-targeted models and follows on from last year’s G10 , the ‘ultimate compact’. Updated November 30 2009.It claims to be a fully featured camera that delivers excellent image quality, but should you choosethe Canon PowerShot G11 over a digital SLR, given that the price tag is almost as high?

Canon Powershot G11

Specification-wise, the first thing to note is that the Canon PowerShot G11 has a lower megapixel count than its predecessor (10.1Mp rather than 14.7Mp). It also has a smaller LCD screen at the rear for composing and reviewing shots: 2.8in rather than 3in. But while the headline image capture capability has been reduced, Canon has upped the ante elsewhere – most notably inthe Canon PowerShot G11’s greater sensitivity to light.

It supports a manually selectable setting of ISO 3,200, which can be boosted to 12,800 (at 2.5Mp) should you need to shoot in near darkness. And reducing the size of the screen enables Canon to givethe Canon PowerShot G11 a tilt-and-swivel LCD for shooting at awkward angles.

Like Canon’s digital SLRs, the Canon PowerShot G11 feels substantial and almost tank-like when gripped in the palm. There are also plenty of rangefinder-like top-plate dials for adjustment, plus a gently sloping grip to the front. This feature isn’t wholly successful: we didn’t know where to place our thumb at the rear when shooting handheld.

Still, hit the on/off button just behind the shutter release button and the Canon PowerShot G11 powers up in a second or so. Its image-stabilised 5x optical zoom lens extends from almost flush to the body to a maximum 28mm wide-angle setting, with 140mm available at the telephoto end. Although the lens isn’t swappable, the broader-than-average focal range makes for a wealth of creative possibilities.

With the ability to shoot up to ISO 12,800, the Canon PowerShot G11 promises much in the way of image quality. We found that sticking to the user selectable settings (up to ISO 3,200) reaps far better results. Indeed, shots taken at ISO 3,200 matched those at the lower ISO 800 from rivals for noise (visible grain). juggles speed, features, output quality, and design well enough to be a worthy choice for most small offices or small workgroups. The only people it is likely to disappoint are those who need sophisticated color imaging.

The MFC-9450CDN ($650 as of April 6, 2009) performed capably in our speed tests. Brother claims that the unit can print both black-and-white text and color images as fast as 21 pages per minute–and it came close to that mark for text (20.4 ppm), with perfect-looking output. But its color graphics performance was much slower 4.9 ppm, and print quality was underwhelming: On plain paper, our test photos looked washed-out and blurry; and on special paper with optimized settings, the colors still had a yellow cast and exhibited moiré patterns. Scans and copies were sometimes a bit too dark but overall they looked good.

The level of color quality will be adequate for many office users; but if you’re more exacting, you should consider the Xerox Phaser 6128MFP, which handled photos better and costs slightly less than brother’s color laser MFP. The MFC-9450CDN has a lot to offer, though we also noticed a few quirks. Among its pluses are an automatic duplexer and a USB/PictBridge port. Augmenting the unit’s 35-sheet automatic document feeder (ADF) for scan and copy input, you get a 250-sheet main input tray and a 50-sheet multipurpose tray. An optional 500-sheet paper tray lists for $250. On the control panel, buttons for fax, scan, and copy functions are not grouped–but everything is clearly labeled, so the arrangement is more annoying than confusing.

Canon PowerShot G11 Specification :
Recommended price
• $499
• €589
• £569

Sensor
• 1/1.7″ Type CCD
• 10 million effective pixels
Image sizes
• 3648 x 2736
• 3648 x 2048
• 2816 x 2112
• 2272 x 1704
• 1600 x 1200
• 640 x 480
• 320 x 240
Movie clips
• 640 x 480 @ 30fps
• 320 x 240 @ 30fps
Maximum clip length
Up to 4GB or 1 hour
File formats
• Still: JPEG (Exif v2.2), RAW
• Movie: MOV [H.264 + Linear PCM (monaural)]
Lens
• 28-140mm (35mm equiv)
• f = 6.1 – 30.5 mm
• 5x optical zoom
• F2.8-4.5
• Construction: 11 elements in 9 groups (1 double-sided aspherical element)
Image stabilization Yes (Lens-Shift)
Conversion lenses Yes
Digital zoom up to 4x
Focus
• Auto focus :TTL
– Face Detection / 9-point AiAF
– 1-point AF (center or Face Select and Track)
– Fixed centre or Face Select and Track
• Manual focus

AF modes
• Single
• Continuous
• Servo AF/AE
AF lock Yes (on/off selectable)
AF assist lamp Yes
Focus distance Closest focus distance 1 cm
Metering
• Evaluative (linked to Face Detection AF frame)
• Center-weighted average
• Spot (center or linked to Face Detection)
ISO sensitivity
• Auto
• ISO 80
• ISO 100
• ISO 200
• ISO 400
• ISO 800
• ISO 1600
• ISO 3200
AE lock Yes
Exposure compensation +/- 2EV in 1/3 stop increments
Shutter speed
• Auto (1 – 1/4000 sec)
• 15-1/4000 sec

Modes
• Auto
Program AE
• Shutter Priority AE
• Aperture Priority AE
• Manual
• Custom (2 modes)
• Special Scene
• Stitch Assist
• Low Light
• Quick Shot
• Movie

Scene modes
• Portrait
• Landscape
• Night Scene
• Sports
• Night Snapshot
• Kids & Pets
• Indoor
• Sunset
• Foliage
• Snow
• Beach
• Fireworks
• Aquarium
• Underwater
• Color Accent
• Color Swap
• Stitch Assist

White balance
• Auto (including Face Detection WB)
• Daylight
• Cloudy
• Tungsten
• Fluorescent
• Fluorescent H
• Flash
• Custom1
• Custom2
• Underwater
• White Balance Correction
Self timer
• 2 or 10 sec
• Custom or FaceSelf Timer
Continuous shooting
• Approx. 1.1 shots/sec.
• AF: Approx. 0.7 shots/sec.
• LV: Approx. 0.8 shots/sec. (until memory card becomes full)
Image parameters My Colors (My Colors Off, Vivid, Neutral, Sepia, Black & White, Positive Film, Lighter Skin Tone, Darker Skin Tone, Vivid Blue, Vivid Green, Vivid Red, Custom Color)
Flash
• Auto, Flash On, Flash Off, Slow Sync, Red-eye reduction
• Slow Sync Speed : Fastest speed 1/2000 sec
• +/- 2EV in 1/3 stop increments
• Face Detection FE compensation
• Safety FE
• Flash exposure lock
• Manual Power Adjustment
• Second Curtain Sync
• Range (Auto ISO):50cm – 7.0m (wide) / 4.0m (tele)
External Flash E-TTL with EX series Speedlites, Macro Twin Lite MT-24EX, Macro Ring Lite MR-14EX, Canon High Power Flash HF-DC1
Viewfinder Real-image zoom, Optical Viewfinder
LCD monitor
• 2.8 inch Vari-angle PureColor II VA (TFT)
• 461,000 pixels
• 100% coverage
• Adjustable
Connectivity
• USB 2.0 Hi-Speed
• HDMI mini connector
• AV out (PAL / NTSC switchable)
Print compliance PictBridge
Storage SD, SDHC, MMC, MMCplus, HC MMCplus
Power Rechargeable Li-ion Battery NB-7L
Weight (no batt) 355 g
Dimensions 112 x 76 x 48 mm

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