Canon EOS Digital
Rebel XTi
 vs
Canon PowerShot
S1 IS

General

 Canon EOS Digital Rebel XTi Canon PowerShot S1 IS
Brand
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 Canon Canon
Lowest price
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 $749.00 $480.55
Announced
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 August, 2006 February, 2004

Sensor
Type
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 CMOS CCD
Size
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 APS-C 22.2x14.8mm 1/3.6" 5.3x4.0mm
Crop factor
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 1.6x n/a
Megapixels
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 10.1 MP 3.1 MP
Light sensitivity
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 1,600 ISO 400 ISO
Light sensitivity (boost)
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 None None
Sensor cleaning
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 Unknown n/a

Sensor (Advanced)
True resolution
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 10.1 MP 3.1 MP
Native resolution
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 3888 x 2592 2048 x 1536
Pixel size
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 32.6 µm² 6.6 µm²

Screen
Type
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 LCD LCD
Size
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 2.5" 1.5"
Resolution
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 230k dots 114k dots
Touch screen
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 No No
Flips out
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 No Yes
Live view
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 No n/a

Lenses
Lens availability
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 162 lenses n/a
Lens focus motor
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 Yes n/a
Lens mount
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 Canon EF n/a

Form factor
Size
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 127x94x65 mm 111x78x66 mm
Depth
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 2.6" 2.6"
Weight
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 556 g 469 g
Interchangeable lenses
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 Yes No
Waterproof
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 No No
Weather sealed
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 No n/a

Viewfinder
Type
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 Pentamirror Digital
Viewfinder size
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 0.49x Unknown
Coverage
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 95% n/a

Movies
Format
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 None 480p @ 30fps
Supports 24p
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 n/a No
High-speed framerate
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 n/a None
External mic jack
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 n/a Unknown
Autofocus
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 None Unknown
All formats
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 n/a 480p @ 30fps
480p @ 15fps

Features
Panorama
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 No Unknown
HDR
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 No Unknown
3D
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 No Unknown
Image stabilization
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 None Lens
Supports RAW
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 Yes No
GPS
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 No No

Performance
Startup delay
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 Unknown Unknown
Shutter lag
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 Unknown Unknown
Battery life
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 Unknown Unknown
Continuous shooting
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 3 fps 1.7 fps

Focus system
Autofocus
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 Contrast detection Contrast detection
Focus points
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 Unknown Unknown
Cross type focus points
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 Unknown Unknown

Shutter
Max
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 1/4000s 1/2000s
Min
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 30s 15s

Flash
Built-in flash
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 Yes Yes
Popup
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 Yes Yes
External connection
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 Yes No

Storage
Storage slots
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 1 1
Supported formats
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 CompactFlash (Type II)
CompactFlash (Type I)		 CompactFlash (Type II)
CompactFlash (Type I)

DXO Mark Scores
Image quality
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 62.0 Unknown
Color depth
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 22.1 bits Unknown
Dynamic range
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 11 EV Unknown
Low light performance
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 664 ISO Unknown

Lens
Zoom
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 n/a 10x
Wide angle
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 n/a 38 mm
Telephoto
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 n/a 380 mm
Aperture (wide angle)
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 n/a f/2.8
Aperture (telephoto)
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 n/a f/3.1
Macro focus
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 n/a 10 cm