• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha SLT-A57
  • Canon EOS 77D
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon T6s
T6s vs 77D
Successor:    
General
Model Number: A57 77D
Alternate Model Number(s):   9000D
Camera Format: SLR SLR
Currently Manufactured: No Yes
Retail Price: $799.99 $1499.00
Street Price:   $549.99
Date Available: 2012-04-15 2017-04-15
Tripod Mount: Yes Yes
Weight: 29.2 oz (828 g)
includes batteries, kit lens
37.2 oz (1,055 g)
includes batteries, kit lens
Size: 5.2 x 3.8 x 3.2 in.
(132 x 98 x 81 mm)
5.2 x 3.9 x 3.0 in.
(131 x 100 x 76 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 16.1 24.2
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: 4.82 microns 3.72 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: 75 78
DxO Color Depth Score (bits): 23.4 23.6
DxO Dynamic Range Score (evs): 13.0 13.3
DxO Maximum Effective ISO Score (iso): 785 971
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),
5536 x 2160 (12.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
3872 x 2160 (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)
6000 x 4000 (24.0 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 1824 (5.4 MP, Other),
2400 x 1344 (3.2 MP, Other),
5328 x 4000 (21.3 MP, 4:3),
3552 x 2664 (9.5 MP, 4:3),
2656 x 1992 (5.3 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1)
Image File Format: JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), 14-bit .CR2 RAW, RAW+JPEG
Continuous-mode frames/second: 10.0 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p(PS)/​60i(FX)/​60i(FH)/​24p(FX)/​24p(FH))
1440x1080 (30p)
640x480 (30p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (30p/​25p)
Movie File Format: AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) MOV (Video: H.264, Audio: Stereo Linear PCM); MP4 (Video: H.264, Audio: AAC)
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/EF-S
Lens: Sony 18-55mm f/3.5-5.6 DT SAM Canon EF-S 18-135mm f/3.5-5.6 IS USM
Focal Length (35mm equivalent): 27 - 83mm 29 - 216mm
Focal Length (actual): 18 - 55mm 18 - 135mm
Zoom Ratio: 3.06x 7.50x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 36 (T) f/3.5 - f/22 (wide) / f/5.6 - f/36 (tele)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: 55.0mm 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values: Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking OVF: AF-dedicated CMOS sensor, 45-points, up to 45 cross-type (f/5.6), 1 dual-cross (f/2.8 and f/5.6), 27 support f/8 (9 cross-type); 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; 1.1cm (0.43") 1.44M/1.25M-dot LCD (480K/418K-dot time-multiplexed RGB), 100% coverage, 1.04x/0.97x magnification, 23.1/25.2mm eyepoint, -4 to +3 diopter SLR type; eye-level pentamirror, ~95% coverage, ~0.82x magnification, 19mm eyepoint, -3 to +1 diopter, eye sensor
Focus Peaking: Yes No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.69x 0.51x
Viewfinder Magnification (nominal/claimed): 1.04x 0.82x
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
Selfie Screen: Yes
Max Playback Zoom: 13.6x 10.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 16000 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) Auto, 100 - 25600 in 1EV steps, Expandable to 51200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, 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 +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 7,560-pixel RGB+IR metering sensor: 63-zone Evaluative (linked to all AF points), Center-weighted, Partial (6.0%), Spot (3.5%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night scene, Hand-held Twilight (6 shot layering), Night Portrait; Sweep Panorama, 3D Sweep Panorama, Auto Portrait Framing, Picture Effect (Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature), Dynamic Range Optimizer (Off/Auto/Level), Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene (Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), Flash Off, Creative Filters (Grainy B/W, Soft Focus, Fish-eye, Water-painting, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed)
Self Timer: 2 or 10 seconds 10 or 2 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off E-TTL II, Manual
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens 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: 1/160 1/200
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit ARW 2.3), RAW+JPEG 14-bit .CR2 RAW, RAW+JPEG
Movie File Format: AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) MOV (Video: H.264, Audio: Stereo Linear PCM); MP4 (Video: H.264, Audio: AAC)
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
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,Bluetooth,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional wired, IR wireless, Bluetooth or Wi-Fi
Connections (extended): Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm 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):   <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 10.0 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 167
RAW shooting speed in burst mode (fps):   6.0
Buffer size for RAW shooting in burst mode (frames):   23
RAW+JPEG shooting speed in burst mode (fps):   6.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   21
Shutter lag (full AF, wide/mid):   0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.071 seconds
Shutter Lag (manual focus):   0.087 seconds
Shutter lag (full AF, with flash):   0.25 seconds
Shutter Lag (prefocused):   0.068 seconds
Shutter Lag (notes):    
Startup Time:   0.4 seconds
Play -> Record Time:   0.2 seconds
Flash cycle time, full power:   3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   270 shots
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots 600 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NP-FM500H Lithium-ion rechargeable LP-E17 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary LP-E17 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: Sony Software CD-ROM  
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)  
Miscellaneous
Notes & Features: SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4.5 EV correction), Full HD 1080p60 Video, Up to 12 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, New Auto Portrait Framing, Tilting 921K-dot LCD, 1.44M-dot EVF.