Canon PowerShot G3 Review
The original three megapixel PowerShot G1 was announced at Photokina 2000 (September 2000), just less than a year later (August 2001) they announced the four megapixel PowerShot G2 with a fairly significant range of improvements. A year after that at Photokina 2002 Canon announced the new four megapixel PowerShot G3, with a sleek new body design, new control layout and image processor and four times optical zoom lens.
Canon PowerShot G3 vs. PowerShot G2 (differences only)
Canon PowerShot G3
Canon PowerShot G2
|JPEG format||EXIF 2.2||EXIF 1.1|
|Lens||4x optical, 35 - 140 mm equiv.||3x optical, 34 - 102 mm equiv.|
|Lens max aperture||F2.0 - F3.0||F2.0 - F2.5|
|Lens thread||58 mm with bayonet fitting adapter||58 mm with screw fitting adapter|
|Auto focus|| Center area AF
FlexiZone AF/AE (300+ areas)
|3 area selectable|
|ND Filter||Internal, menu option||None|
|Custom exposure modes||Two (similar to user memory)||None|
|Shutter speed||15 - 1/2000 sec **||15 - 1/1000 sec **|
|Manual WB||Two presets||One preset|
|Orientation sensor||Yes, with auto rotate||No|
|Manual flash power||Yes, 3 steps internal, 16 external||No|
|Flash sync select||Yes, 1st-curtain, 2nd-curtain||No|
|Photo Effects||Available in all modes||Dedicated exposure mode|
|Time-lapse photography||Yes, Intervalometer||No|
|Continuous shooting||1.5 / 2.5 fps, up to 14 images||1.5 / 2.5 fps up to 9 / 5 images|
|Movie clips (320 x 240)||Up to 3 minutes *||Up to 30 seconds|
|Self timer||2 or 10 sec||10 sec|
|Playback zoom||10x (10 steps)||6x (2 steps)|
|Movie editing||Yes, trimming||No|
|Play / record||Shooting priority||Switched play mode|
|Settings adjustment||Control dial on hand grip||4-way controller|
|My Camera menu||Yes||No|
|Weight (inc batt.)||481 g (17.0 oz)||510 g (18.0 oz)|
|Dimensions||121 x 74 x 70 mm
(4.8 x 2.9 x 2.8 in)
|121 x 77 x 64 mm
(4.8 x 3.0 x 2.5 in)
* Requires high speed CF card
** At certain apertures (G3 considerably better than G2 in this respect)
The PowerShot G3 also includes some new technologies Canon were keen to stress at the time of announcement:
- DiGiC processor - a new processor which is responsible for
CCD control, AE/AF/AWB, signal processing, JPEG compression, memory
card control, LCD monitor display).
- Intelligent Scene Analysis based on Photographic Space (iSAPS)
- Camera uses variables such as focus distance, exposure brightness
and cross references these against a large internal database of known
scene types and uses this information to optimize image processing.
- Flexible AF point selection - You can now select from any one of more than 300 positions around the image frame.
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