• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • APS-C 337.5mm2
  • 20.2 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Sony Alpha SLT-A77
  • Canon EOS 70D
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon 60D
60D vs 70D
Successor: Sony A77 II
A77 vs A77 II
Canon 80D
70D vs 80D
General
Model Number: A77 70D
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $1999.99 $1550.00
Street Price: $1,899.00 $1,149.00
Date Available: 2011-10-15 2013-09-15
Tripod Mount: Yes Yes
Weight: 48.1 oz (1,363 g)
includes batteries, kit lens
43.5 oz (1,233 g)
includes batteries, kit lens
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
5.5 x 4.1 x 3.1 in.
(139 x 104 x 79 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 24.3 20.2
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 337.5mm2 (22.50mm x 15.00mm)
Approximate Pixel Pitch: 3.95 microns 4.11 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 Yes
DxO Sensor Score: 78 68
DxO Color Depth Score (bits): 24.0 22.5
DxO Dynamic Range Score (evs): 13.2 11.6
DxO Maximum Effective ISO Score (iso): 801 926
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 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),
3468 x 2432 (8.4 MP, Other),
2736 x 1824 (5.0 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2),
4864 x 3648 (17.7 MP, 4:3),
3248 x 2432 (7.9 MP, Other),
2432 x 1824 (4.4 MP, 4:3),
1696 x 1280 (2.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
5472 x 3072 (16.8 MP, 16:9),
3468 x 2048 (7.1 MP, Other),
2736 x 1536 (4.2 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
720 x 408 (0.3 MP, Other),
3648 x 3648 (13.3 MP, 1:1),
2432 x 2432 (5.9 MP, 1:1),
1824 x 1824 (3.3 MP, 1:1),
1280 x 1280 (1.6 MP, 1:1),
480 x 480 (0.2 MP, 1:1)
Image File Format: JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), 14-bit .CR2 RAW, mRAW, sRAW, RAW+JPEG
Continuous-mode frames/second: 11.6 6.7
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
640x480 (30p/​25p)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MOV (Video: H.264 Intra-Frame / Inter-Frame, Audio: Stereo Linear PCM)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a Yes
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Canon EF/EF-S
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650) Canon EF-S 18-135mm f/3.5-5.6 IS STM
Focal Length (35mm equivalent): 24 - 75mm 29 - 216mm
Focal Length (actual): 16 - 50mm 18 - 135mm
Zoom Ratio: 3.13x 7.50x
Aperture Range: f/2.8 - f/22 (W/T) f/3.5 - f/22 (wide) / f/5.6 - f/36 (tele)
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 1.4x / 2x 3-10x available during movie recording only
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local OVF: AF-dedicated CMOS sensor, 19-points, all cross-type AF points, center dual cross-type point for f/2.8; Live View: Dual-Pixel CMOS AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter SLR type; eye-level pentaprism, 98% coverage, 0.95x magnification, 22mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.59x
Viewfinder Magnification (nominal/claimed): 1.09x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 1,040,000 dots (346,600 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes Yes
Selfie Screen: Yes Yes
Max Playback Zoom: 13.6x 10.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 16000 12800
Minimum ISO (native): 100 100
ISO Settings: Auto (100-12800 with selectable limits), 50 (expanded), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000. (Multi-frame NR mode up to ISO 25600) Auto, 100 - 12800 in 1/3 or 1EV steps, Expandable to 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom, Kelvin 2,500K - 10,000K
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 63-zone (dual layer) Evaluative, Center-weighted, Partial (7.7%), Spot (3.0%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D) Creative Auto, Scene (Portrait, Landscape, Close-up, Sports, Night Portrait, Handheld Night Scene, HDR Backlight Control), No Flash, Custom User Setting, High Dynamic Range, Multiple Exposure, Creative Filters (Art Bold, Fish-eye, Water-painting, Grainy Black and White, Soft Focus, Toy Camera and Miniature)
Self Timer: 2, 10; 3 or 5 frames after 10 seconds 10 or 2 seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off E-TTL II, Manual; wireless slave flash supported via built-in flash
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. 12.0 m / 39.4 ft.
Flash Range Description: GN=12(m) at ISO 100; Range is lens aperture dependent Lens aperture dependent; GN= 12m (39.4 ft.) at ISO 100, works out to about 11.2 feet at f/3.5 and 7 feet at f/5.6
Max Flash Sync: 1/250 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Proprietary Hot Shoe, PC Sync Terminal Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure Full TTL exposure
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG 14-bit .CR2 RAW, mRAW, sRAW, RAW+JPEG
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MOV (Video: H.264 Intra-Frame / Inter-Frame, Audio: Stereo Linear PCM)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: Yes No
Microphone Jack: Yes Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional wired, IR wireless or Wi-Fi
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input Mini (Type-C) HDMI, 3.5mm Microphone Jack, Wired Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.42 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.42 0.33
Buffer size for RAW shooting in single shot mode (frames): 5 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.42 0.32
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 11.6 6.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 65
RAW shooting speed in burst mode (fps): 11.6 6.7
Buffer size for RAW shooting in burst mode (frames): 14 14
RAW+JPEG shooting speed in burst mode (fps): 11.6 6.7
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13 7
Shutter lag (full AF, wide/mid): 0.12 seconds 0.08 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   0.65 seconds
Shutter lag (prefocused, live view - DSLR):   0.059 seconds
Shutter Lag (manual focus): 0.085 seconds 0.075 seconds
Shutter lag (full AF, with flash): 0.33 seconds 0.16 seconds
Shutter Lag (prefocused): 0.054 seconds 0.059 seconds
Shutter Lag (notes): Full AF, Wide-area mode = 0.119s OVF: Auto Selection AF lag = 0.093s LV: "Quick Mode"(Phase Detect) Single-point AF lag = 0.506s FlexiZone AF, Single-point AF lag = 0.652s Prefocused lag = 0.059s
Startup Time: 0.8 seconds 0.7 seconds
Play -> Record Time: 1.0 seconds 0.1 seconds
Flash cycle time, full power: 3.2 seconds 1.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots 210 shots
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots 920 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary
Usable Battery Types: Lithium-ion rechargeable LP-E6 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary LP-E6 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) Canon Solutions Disc (EOS Utility, ZoomBrowser EX/ImageBrowser, Digital Photo Professional.Picture Style Editor, Movie Edit Task, PhotoStitch, Memory Card utility,)
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only Windows, Mac OS X
Miscellaneous
Notes & Features: SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080p HD Video, Auto+, Multi-frame NR, Hand-held Twilight, Auto HDR, Picture Effect, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 12fps Burst Mode, Built-in GPS. New 20.2-megapixel APS-C Canon CMOS sensor, Dual-Pixel CMOS AF system for Live View and movie modes, Full HD 1080p videos at up to 30fps in ALL-I or IPB, DIGIC 5+ image processor, 7fps burst mode, built-in Wi-Fi.