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Model Name: Sony Alpha SLT-A77 
Prices: Compare Prices
Manufacturer URL: Manufacturer website
Predecessor:  
Successor: Sony A77 II
A77 vs A77 II
General
Model Number: A77
Alternate Model Number(s):  
Camera Format: SLR
Currently Manufactured: No
Retail Price: $1999.99
Street Price: $1,899.00
Date Available: 2011-10-15
Tripod Mount: Yes
Weight: 48.1 oz (1,363 g)
includes batteries, kit lens
Size: 5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
Waterproof: No
Waterproof Depth: n/a
Image Sensor
Sensor Type: CMOS
Sensor Manufacturer: Sony
Effective Megapixels: 24.3
Sensor Format: APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 3.95 microns
Focal Length Multiplier: 1.5x
Aspect Ratio: 3:2
Color Filter Type: RGBG
Anti Aliasing Filter: Fixed
Self-Cleaning: Yes
Sensor shift image stabilization: Yes
On-Sensor Phase Detect: No
DxO Sensor Score: 78
DxO Color Depth Score (bits): 24.0
DxO Dynamic Range Score (evs): 13.2
DxO Maximum Effective ISO Score (iso): 801
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)
Image File Format: JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 11.6
Video Capture
Can take movies: 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)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out: No
NTSC/PAL Switchable Video: n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A)
Lens: Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal Length (35mm equivalent): 24 - 75mm
Focal Length (actual): 16 - 50mm
Zoom Ratio: 3.13x
Aperture Range: f/2.8 - f/22 (W/T)
Integrated ND Filter: No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:  
Filter Thread: n/a
Thread Type: n/a
Optical Image Stabilization: No
Digital Zoom: Yes
Digital Zoom Values: 1.4x / 2x
Auto Focus
Auto Focus: Yes
Auto Focus Type: Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local
Auto Focus Assist Light? Yes
Manual Focus: Yes
Viewfinder
Viewfinder: EVF / LCD
Viewfinder Type: EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus Peaking: Yes
EVF Resolution: 2,359,000 dots
Viewfinder Magnification (35mm equivalent): 0.73x
Viewfinder Magnification (nominal/claimed): 1.09x
Display
Eye-level Viewfinder: Yes
Rear Display: Yes
Rear Display Size (inches): 3.0
Rear Display Resolution: 921,600 dots (307,200 px)
Touchscreen: No
Articulating Screen: Yes
Tilt Swivel Screen: Yes
Selfie Screen: Yes
Max Playback Zoom: 13.6x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 16000
Minimum ISO (native): 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 ISO Mode: 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
Shutter Speed Range: 1/8000 - 30 sec
Bulb Mode: Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes
Aperture Priority: Yes
Shutter Priority: Yes
Full Manual Exposure: 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)
Self Timer: 2, 10; 3 or 5 frames after 10 seconds
Time Lapse (intervalometer):  
High Resolution Composite: No
Flash
Built-in Flash: Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft.
Flash Range Description: GN=12(m) at ISO 100; Range is lens aperture dependent
Max Flash Sync: 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps
External Flash Connection: Proprietary Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support: UHS-I
Other Memory:  
Dual Card Slots: No
RAW Capture Support: Yes
Uncompressed Format: 12-bit RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory: No memory included
Included Memory Type:  
Connectivity
Built-In Wi-Fi: No
NFC: No
Bluetooth: No
Built-In GPS: Yes
Microphone Jack: Yes
Headphone Jack: No
External Connections: USB 2.0 High Speed
PictBridge Compliant: Yes
DPOF Compliant: Yes
Remote Control: Yes
Remote Control Type: Optional Wireless or Wired
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.42
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.42
Buffer size for RAW shooting in single shot mode (frames): 5
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.42
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 11.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17
RAW shooting speed in burst mode (fps): 11.6
Buffer size for RAW shooting in burst mode (frames): 14
RAW+JPEG shooting speed in burst mode (fps): 11.6
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13
Shutter lag (full AF, wide/mid): 0.12 seconds
Shutter lag (full AF, tele):  
Shutter lag (full AF, live view - DSLR):  
Shutter lag (prefocused, live view - DSLR):  
Shutter Lag (manual focus): 0.085 seconds
Shutter lag (full AF, with flash): 0.33 seconds
Shutter Lag (prefocused): 0.054 seconds
Shutter Lag (notes): Full AF, Wide-area mode = 0.119s
Startup Time: 0.8 seconds
Play -> Record Time: 1.0 seconds
Flash cycle time, full power: 3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots
Battery Life, Still (CIPA Rating OVF/EVF): 470 shots
Battery Life, Video:  
Battery Form Factor: Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only
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.