• APS-C 328.6mm2
  • 10.1 megapixels
  • ISO 100 - 1600
  • Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • Detailed specifications
  • Canon EOS 400D Rebel XTi
  • Pentax 645Z
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon XT
XT vs XTi
Pentax 645D
645D vs 645Z
Successor: Canon XSi
XTi vs XSi
 
General
Model Number: XTi 645Z
Alternate Model Number(s): EOS-400D Digital, EOS Kiss Digital X  
Camera Format: SLR Pro SLR
Currently Manufactured: No Yes
Retail Price: $799.00 $8499.95
Street Price: $521.63 $4,845.43
Date Available: 2006-09-15 2014-06-15
Tripod Mount: Yes Yes
Weight: 18.0 oz (510 g) 54.9 oz (1,555 g)
includes batteries
Size: 5.0 x 3.7 x 2.6 in.
(127 x 94 x 65 mm)
6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon Sony
Effective Megapixels: 10.1 51.4
Sensor Format: APS-C Medium format
Sensor size: 328.56mm2 (22.20mm x 14.80mm) 1436.64mm2 (43.80mm x 32.80mm)
Approximate Pixel Pitch: 5.71 microns 5.31 microns
Focal Length Multiplier: 1.6x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 62 101
DxO Color Depth Score (bits): 22.1 26.0
DxO Dynamic Range Score (evs): 11.0 14.7
DxO Maximum Effective ISO Score (iso): 664 4,505
Image Capture
Image Resolution: 3888 x 2592 (10.1 MP, 3:2),
2816 x 1880 (5.3 MP, 3:2),
1936 x 1288 (2.5 MP, 3:2)
8256 x 6192 (51.1 MP, 4:3),
6192 x 5184 (32.1 MP, Other),
5376 x 4032 (21.7 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), CR2 RAW JPEG, 14-bit PEF / DNG RAW, TIFF
Continuous-mode frames/second: 3.0 3.1
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
Movie File Format: None MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Pentax 645 bayonet
Lens: Canon EF-S 18-55mm f/3.5-5.6 USM n/a
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: 28 cm to Infinity
11.0 in to Infinity
 
Macro Focus Range:    
Filter Thread: 58.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point phase detection CT-SIR CMOS Sensor, 1 cross-type, 8 single-axis 27-point SAFOX 11+ Phase Difference Detection (25 cross type focus points in the center): Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) Optical / LCD
Viewfinder Type: SLR type, eye-level pentamirror, 95%, 0.8x, 21mm relief, -3.0 to +1.0 diopter Trapezoid prism finder w/ interchangeable Natural-Bright-Matte focusing screen; Coverage: ~98%; Magnification: ~0.62x (55mmF2.8 at infinity), ~0.85x (75mmF2.8 at infinity); Diopter: -3.5 m to + 2.0 m-1; Eye Relief: ~21 mm (from view window), ~24.1 mm (from center of lens)
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.78x
Viewfinder Magnification (nominal/claimed):   0.62x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.2
Rear Display Resolution: 230,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 1600 204800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600 Auto, 100-204800 in 1, 1/2 or 1/3EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE; Manual mode(s): Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 35-zone SPC: evaluative, 9% spot, center-weighted 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Close-up, Sports, Night portrait Sensitivity Priority, Shutter & Aperture Priority; HDR Capture: Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available; Custom Image: Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3)
Self Timer: 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: E-TLL II auto-popup with red-eye reduction P-TTL; high-speed sync, wireless sync supported with compatible flash unit
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/200 1/125
Flash Exposure Compensation:   -2 to +1 EV
External Flash Connection: Hot Shoe Hot shoe, X-sync socket
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: CF1 / CF2 / Microdrive SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: CR2 RAW 14-bit PEF / DNG RAW, TIFF
Movie File Format: None MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
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 Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 3.0 Super Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: RS-60E3 wired, RC-1 / RC-5 IR Optional wired or wireless
Connections (extended): DC input Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35 0.35
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.36 0.33
Buffer size for RAW shooting in single shot mode (frames): 9 10
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.33
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 3.0 3.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 8 12
RAW shooting speed in burst mode (fps):   3.1
Buffer size for RAW shooting in burst mode (frames):   10
RAW+JPEG shooting speed in burst mode (fps):   3.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   10
Shutter lag (full AF, wide/mid): 0.20 seconds 0.16 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   1.17 seconds
Shutter lag (prefocused, live view - DSLR):   0.385 seconds
Shutter Lag (manual focus): 0.130 seconds 0.117 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.105 seconds 0.112 seconds
Shutter Lag (notes):   OVF: Full AF lag, wide-area mode = 0.170s Live View: Full AF lag, Spot AF mode = 1.174s Prefocused = 0.385s
Startup Time: 0.4 seconds 1.5 seconds
Play -> Record Time: 0.2 seconds 0.7 seconds
Flash cycle time, full power: 3.0 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 370 shots 650 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NB-2LH Proprietary D-LI90
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NB-2LH Lithium Ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Photoshop Elements, ZoomBrowser EX (PhotoRecord) / ImageBrowser, PhotoStitch, RemoteCapture, File Viewer Utility, TWAIN / WIA drivers  
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: LCD is new model with wide 160 degree viewing angle, much brighter backlight. Kit lens bundled for $100 above body-only price is the newer 18-55mm II mode, but NOT the USM version of that lens. New 51.4MP AA-filterless CMOS sensor, PRIME III processor, 27-point SAFOX 11 AF, 86K RGB metering, Full HD video up to 60i, tilting LCD monitor with Live View, 3fps full-res continuous burst mode.