• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • APS-H 518.9mm2
  • 16.1 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Sony Alpha DSLR-A550
  • Canon EOS-1D Mark IV
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon 1D Mark III
1D Mark III vs 1D Mark IV
Successor:    
General
Model Number: DSLR-A550 1D Mark IV
Alternate Model Number(s):    
Camera Format: SLR Pro SLR
Currently Manufactured: No No
Retail Price: $1049.99 $4999.00
Street Price: $859.40 $1,899.99
Date Available: 2009-10-08 2009-12-31
Tripod Mount: Yes Yes
Weight: 32.2 oz (912 g)
includes batteries, kit lens
49.0 oz (1,390 g)
includes batteries
Size: 5.4 x 4.1 x 3.3 in.
(137 x 104 x 84 mm)
6.1 x 6.2 x 3.1 in.
(156 x 157 x 80 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 14.2 16.1
Sensor Format: APS-C APS-H
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 518.94mm2 (27.90mm x 18.60mm)
Approximate Pixel Pitch: 5.16 microns 5.70 microns
Focal Length Multiplier: 1.5x 1.3x
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 No
DxO Sensor Score: 66 74
DxO Color Depth Score (bits): 21.9 22.8
DxO Dynamic Range Score (evs): 11.8 12.0
DxO Maximum Effective ISO Score (iso): 807 1,320
Image Capture
Image Resolution: 4592 x 3056 (14.0 MP, 3:2),
4592 x 2576 (11.8 MP, 16:9),
3344 x 2224 (7.4 MP, 3:2),
3344 x 1872 (6.3 MP, Other),
2288 x 1520 (3.5 MP, Other),
2288 x 1280 (2.9 MP, Other)
4896 x 3264 (16.0 MP, 3:2),
4320 x 2880 (12.4 MP, 3:2),
3672 x 2448 (9.0 MP, 3:2),
3552 x 2368 (8.4 MP, 3:2),
2448 x 1632 (4.0 MP, 3:2)
Image File Format: JPEG, RAW JPEG (EXIF 2.21), 14-bit .CR2 RAW
Continuous-mode frames/second: 6.7 10.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (29.97)
1920x1080 (25)
1920x1080 (23.976)
1280x720 (59.94)
1280x720 (50)
640x480 (59.94)
640x480 (50)
Movie File Format:   H.264 (.MOV)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: 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 No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection (one cross-type sensor) with eye-start AF; Wide, Spot, Local modes 45 user selectable points (39 f/2.8 cross-type) phase detection w/ AI Servo II; LV contrast detect
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 19mm eyepoint, -2.5 to +1.0 diopter Eye-level fixed pentaprism, 0.76x magnification, 20mm eyepoint, -3.0 to +1.0 diopter correction
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x 0.58x
Viewfinder Magnification (nominal/claimed): 0.80x 0.76x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 920,000 dots
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 14.0x 10.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 12800 12800
Minimum ISO (native): 200 100
ISO Settings: Auto (200-1600), 200, 400, 800, 1600, 3200, 6400, 12800 Auto, 100 to 12,800 (standard), 50 to 102,400 (expanded)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom (5 settings from camera), Personal (5 settings from PC), Color Temp
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 40-segment Multi Segment, Center-weighted, Spot; (1200 zone evaluative metering in Live View) 63-zone: AF linked evaluative, 13.5% partial, center-weighted average, 3.8% center / AF / 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, Sunset, Night Portrait/Night View  
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off E-TTL II / evaluative / averaged; x-sync at 1/250 (1/300 w/ Canon Speedlite)
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160  
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
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC CF1 / CF2 / SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW 14-bit .CR2 RAW
Movie File Format:   H.264 (.MOV)
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: 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 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Canon N3 terminal / PC tether
Connections (extended): DC input, mini-HDMI, Wired Remote  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.41 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.41 <0.3
Buffer size for RAW shooting in single shot mode (frames): 19 40
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 6.7 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 15 46
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): 0.18 seconds 0.10 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.178 seconds 0.077 seconds
Shutter lag (full AF, with flash): 0.22 seconds  
Shutter Lag (prefocused): 0.074 seconds 0.049 seconds
Shutter Lag (notes): Quick AF Live View shutter lag: 0.188s Live View: Quick Mode AF: 1.084s Live Mode AF: 1.255s Prefocused: 0.113s
Startup Time: 0.5 seconds 0.4 seconds
Play -> Record Time: 0.4 seconds 0.1 seconds
Flash cycle time, full power: 3.5 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 950 shots 1500 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary LP-E4
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H 1 x proprietary LP-E4 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/USB Driver CD-ROM  
OS Compatibility: Windows 2000/XP/Vista, Mac OS X (v. 10.13+)  
Miscellaneous
Notes & Features: Exmore CMOS Sensor, Variable-angle LCD, SteadyShot In-body Sensor-shift Image Stabilization, Live View, Auto HDR, D-Range Optimizer (Auto, Level 1-5), HDMI Output, 7 fps (AF/AE Locked). CompactFlash slot supports UDMA Mode 6 cards. Dual storage slots allow copying files between cards, storing different file types on each card, duplicating data on both cards, or using one card as an overflow when the other is full. Camera is powered by dual DIGIC 4 processors. Has live view and HD video modes with contrast detect AF. Has two internal monaural microphones - front panel for video, rear panel for voice memo. Also has stereo mic jack for external mic.