• APS-C 369.7mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • 35mm 864.0mm2
  • 20.1 megapixels
  • ISO 100 - 102,400
  • Detailed specifications
  • Sony Alpha SLT-A55V
  • Canon EOS-1D X Mark III
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon 1DX Mark II
1DX Mark II vs 1DX Mark III
Successor:    
General
Model Number: A55 1DX Mark III
Alternate Model Number(s): SLT-A55 (w/o GPS) 1DX III
Camera Format: SLR Pro SLR
Currently Manufactured: No Yes
Retail Price: $849.99 $6499.00
Street Price: $733.99 $6,499.00
Date Available: 2010-10-15 2020-02-15
Tripod Mount: Yes Yes
Weight: 25.6 oz (727 g)
includes batteries, kit lens
50.8 oz (1,440 g)
includes batteries
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 mm)
6.2 x 6.6 x 3.3 in.
(158 x 168 x 83 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 16.2 20.1
Sensor Format: APS-C 35mm
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 864mm2 (36.00mm x 24.00mm)
Approximate Pixel Pitch: 4.82 microns 6.58 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2, 16:9 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 Yes
DxO Sensor Score: 73  
DxO Color Depth Score (bits): 23.0  
DxO Dynamic Range Score (evs): 12.4  
DxO Maximum Effective ISO Score (iso): 818  
Image Capture
Image Resolution: 4912 x 3264 (16.0 MP, 3:2),
4912 x 2760 (13.6 MP, 16:9),
3568 x 2368 (8.4 MP, Other),
3568 x 2000 (7.1 MP, 16:9),
2448 x 1624 (4.0 MP, Other),
2448 x 1376 (3.4 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
5472 x 3648 (20.0 MP, 3:2),
4368 x 2912 (12.7 MP, 3:2),
3648 x 2432 (8.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2)
Image File Format: JPEG, RAW (ARW 2.2), RAW+JPEG JPEG, HEIF (10-bit), RAW, C-RAW, 14-bit CR3; RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 9.0 20.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i)
1440x1080 (30/​25)
640x480 (30/​25)
5472x2286 (60p/​50p/​30p/​25p/​24p/​23.98p)
3840x2160 (60p/​50p/​30p/​25p/​24p/​23.98p)
4096x2160 (60p/​50p/​30p/​25p/​24p/​23.98p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p/​24p/​23.98p)
Movie File Format: AVCHD, MP4 MP4 (Video: MPEG4 AVC/H.264 or MPEG4 H.265/HEVC; Audio: AAC or Linear PCM), RAW (CRM)
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Canon EF
Lens: Sony 18-55mm f/3.5-5.6 DT SAM n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.00x  
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T)  
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: 55.0mm 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: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. OVF: Phase-detect AF via 191 AF points with 155 cross-type points and 1 dual cross-type; Live View uses Dual Pixel CMOS AF
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1,152Kdots, 100% coverage, 1.10x mag., 19mm eyepoint, -4 to +4 diopter SLR type; eye-level pentaprism, 100% coverage, 0.76x magnification, 20mm eyepoint, -3.0 to +1.0 diopter; fixed focusing screen
Focus Peaking: No No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.76x
Viewfinder Magnification (nominal/claimed): 1.10x 0.76x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots 2,100,000 dots
Touchscreen: No Yes
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 11.8x  
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 12800 102400
Minimum ISO (native): 100 100
ISO Settings: Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (Multi-frame NR mode up to ISO 25600) Auto (100-102400), 100-102400 (in 1/3-stop or whole stop increments), ISO can be expanded to L: 50, H1: 204800, H2: 409600, H3: 819200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) Auto (Ambience priority/White priority), Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom, Color Temperature
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 400K-pixel RGB+IR sensor: 384-zone Evaluative (linked to all AF points); Center-weighted; Partial (6.2% of viewfinder); Spot (1.5% of viewfinder) center or linkable to AF points; Multi-spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night view, Hand-held Twilight, Sweep Panorama (2D/3D)  
Self Timer: 2 or 10 seconds 10, 2 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off Depends on external flash
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC CFexpress
UHS Support:    
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (ARW 2.2), RAW+JPEG RAW, C-RAW, 14-bit CR3; RAW+JPEG, RAW+HEIF
Movie File Format: AVCHD, MP4 MP4 (Video: MPEG4 AVC/H.264 or MPEG4 H.265/HEVC; Audio: AAC or Linear PCM), RAW (CRM)
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No Yes
Built-In GPS: Yes Yes
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Ethernet,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Wi-Fi/Bluetooth/IR; optional wired (N3 contact), WFT-E9
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack USB-C (USB 3.1 Gen2) , Mini HDMI (Type-C), N3 remote terminal, WFT terminal, 3.5mm external mic and headphone jacks, 1000BASE-T Ethernet RJ-45 jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.52  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.52  
Buffer size for RAW shooting in single shot mode (frames): 28  
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): 9.0 20.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 32 Unlimited
RAW shooting speed in burst mode (fps):   20.0
Buffer size for RAW shooting in burst mode (frames):   Unlimited
RAW+JPEG shooting speed in burst mode (fps):   20.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   Unlimited
Shutter lag (full AF, wide/mid): 0.22 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.214 seconds  
Shutter lag (full AF, with flash): 0.48 seconds  
Shutter Lag (prefocused): 0.103 seconds  
Shutter Lag (notes): Full AF, wide-area mode = 0.218s  
Startup Time: 0.9 seconds  
Play -> Record Time: 0.6 seconds  
Flash cycle time, full power: 3.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   610 shots
Battery Life, Still (CIPA Rating OVF/EVF): 330 shots 2850 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary LP-E19
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 Lithium-ion rechargeable 1 x Proprietary LP-E19 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: Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) Digital Photo Professional, EOS Utility, ZoomBrowser EX / ImageBrowser, Photostitch, Picture Style Editor
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)  
Miscellaneous
Notes & Features: SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080i HD Video, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 10fps Burst Mode, Built-in GPS. SLT-A55 is identical but without GPS.