• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 332.3mm2
  • 15.1 megapixels
  • ISO 100 - 6400
  • Detailed specifications
  • Samsung GX-20
  • Canon EOS Rebel T1i (EOS 500D)
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon XSi
XSi vs T1i
Successor:   Canon T2i
T1i vs T2i
General
Model Number: GX-20 T1i
Alternate Model Number(s):   EOS 500D, EOS Kiss X3
Camera Format: Pro SLR SLR
Currently Manufactured: No No
Retail Price: $1399.95 $899.99
Street Price:    
Date Available: 2008-03-30 2009-05-01
Tripod Mount: Yes Yes
Weight: 25.2 oz (714 g) 18.6 oz (526 g)
includes batteries
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm) 		5.1 x 3.8 x 2.4 in.
(129 x 98 x 62 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 14.6 15.1
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 5.07 microns 4.69 microns
Focal Length Multiplier: 1.5x 1.6x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 68 63
DxO Color Depth Score (bits): 23.1 21.7
DxO Dynamic Range Score (evs): 11.2 11.5
DxO Maximum Effective ISO Score (iso): 714 663
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3872 x 2592 (10.0 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2) 		4752 x 3168 (15.1 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2352 x 1568 (3.7 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG), 14-bit JPEG (EXIF 2.21), CR2 RAW (14-bit)
Continuous-mode frames/second: n/a 3.4
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (20)
1280x720 (30)
640x480 (30)
Movie File Format:   .MOV (H.264, Linear PCM)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No No
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Canon EF/EF-S
Lens: n/a Canon EF-S 18-55mm f/3.5-5.6 IS
Focal Length (35mm equivalent):   29 - 88mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.00x
Aperture Range:   f/3.5 - 22 / f/5.6 - 38
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) 9-point, wide-area, phase-detection AF system with f/2.8 cross-type center point
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism SLR type; eye-level pentamirror, 95% coverage, 0.87x mag., 19mm eyepoint, -3 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.54x
Viewfinder Magnification (nominal/claimed):   0.87x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 920,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400; H=12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent Light, Flash, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot 35-zone evaluative, 8% partial, 3.5% spot, center-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority Creative Auto, Portrait, Landscape, Close-up, Sports, Night portrait, Flash off, Auto Depth-of-field
Self Timer: 2 or 12 seconds 10 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless E-TLL II auto-popup with red-eye reduction
Flash Guide Number (ISO 100): n/a 13.0 m / 42.7 ft.
Flash Range Description: Depends on lens Lens dependent
Max Flash Sync: 1/180 1/200
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, X-Sync Socket Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG), 14-bit CR2 RAW (14-bit)
Movie File Format:   .MOV (H.264, Linear PCM)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Wired: RS-60E3, IR: RC-1/RC-5
Connections (extended): DC input, wired remote Wired remote, HDMI-mini
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.40
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.38
Buffer size for RAW shooting in single shot mode (frames):   8
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution):   3.4
Buffer size for JPEG shooting in burst mode (frames, max resolution):   Unlimited
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):   0.16 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.111 seconds
Shutter lag (full AF, with flash):   0.27 seconds
Shutter Lag (prefocused):   0.089 seconds
Shutter Lag (notes):   Full Autofocus Live View "Quick Mode"(Phase Detect)= 1.342s Full Autofocus Live View "Live Mode"(Contrast Detect)= 2.591s
Startup Time:   0.3 seconds
Play -> Record Time:   0.3 seconds
Flash cycle time, full power:   3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF):   400 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary LP-E5
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 xProprietary LP-E5 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:   Zoom Browser EX / ImageBrowser, PhotoStitch, EOS Utility, Digital Photo Professional
OS Compatibility:   Windows, Mac OS
Miscellaneous
Notes & Features: Creative Auto, Live View with Face Detection, Periphery Illumination Correction, Auto Light Optimizer, Highlight Tone Priority, HD Movies, HDMI-mini output.