Sony a77 detail page

Basic data
Name : a77
Manufacturer : Sony
Mount A-mount
Release year : 2011
Production status : Current
Last firmware: 1.07 (02-2013)
Firmware download: EU-Win | EU-Mac | US-Win | US-Mac | Asia-Win | Asia-Mac
Sensor
Type: CMOS
Format: APS-C (1,5x)
Total pixel number: 24.7 MP
Effective pixel number: 24.3 MP
Sensor pitch: 3.92 µm
Sensor area: 3.67 cm²
Pixel density: 6.63 MP/cm²
Size: 23.5 x 15.6mm
Max. resolution: 6000 x 4000 px
ISO range: 100 - 16000 (50-16000)
Focusing
AF sensors: 19 (11 cross)
Modes :
  • AFS (Single-shot AF)
  • AFC (Continuous AF)
  • AFA (Automatic AF)
  • DMF (Direct manual focus)
AF range (EV): -1 - 18
AF assist (IR): Yes
AF lens adjustements: Yes
AF/MF button (rear): Yes
Focus peaking: Yes
Eye start: Yes
Metering
Type: 1200 zone evaluative metering from main sensor
Range (EV): -2-17
AEL button: Yes
Exposure modes:
  • P-S-A-M
  • Auto
  • Auto no flash
  • 10fps shooting mode
  • sweep panorama
Program shift: Yes
Manual shift: Yes
Scene modes:
  • Portrait
  • Landscape
  • Macro
  • Sports Action
  • Sunset
  • Night Portrait
  • Night View
  • Hand-held Twilight
Exposure compensation: ±5.0 (1/3,1/2)
Flash
Built-in: Yes; GN: 12 m at ISO 100
Shoe Type iISO
Sync speed: 1/250
PC Sync connector: Yes
Ratio control: Yes
Flash modes:
  • normal
  • red-eye reduction
  • rear sync
  • slow sync
  • wireless
Flash exp. compensation: ± 3 (1/3, 1/2)
Shooting
Max. shutter speed: 1/8000s
Electronic first curtain: Yes
FPS w AF: 12
Drive modes:
  • single
  • continuous Hi (8 fps)
  • continuous Lo (3 fps)
  • 12 fps via high-speed mode
  • bracketing continuous
  • bracketing single
  • bracketing WB
  • bracketing DRO
  • remote
Exposure bracketing (EV):
  • 3 frames 1/3; 1/2; 2/3; 2; 3
  • 5 frames 1/3; 1/2; 2/3
MLU: not needed
Wired remote conection: 3-pin
Wireless remote: Yes, optional
DOF preview: Yes
Tethered control: No
No-chip lenses: A / M mode
GPS: Yes
Viewfinder
Type: electronic
Vievfinder Resoltion (px): 1024×768
Magnification: 1.09 x
Eye relief (from frame): 27mm (22mm)
Diopter adjustement: -4 +3
Live view Yes
Image options
Output resolutions:
  • 6000x4000
  • 4240x2843
  • 3008x2000
  • 6000x3376 (16:9)
  • 4240x2400 (16:9)
  • 3008x1688 (16:9)
WB settings:
  • auto
  • daylight
  • shade
  • cloudy
  • tungsten
  • fluorescent
  • flash
  • direct entry
  • custom (3 presets)
Color spaces: sRGB, Adobe RGB
NR Off option: Yes
NR levels: Auto, Weak, multi-frame
DRO:
  • advanced auto
  • manual (5 levels)
Auto HDR: Yes
RAW: compressed ARW 2.3
Video features
Video capabilities: Yes
Resolution:
  • 1920×1080p50
  • 1920×1080p25
  • 1920×1080i50
  • 1440×1080p25
  • 640×480p25
Video format: AVCHD, MPEG-4
Audio format: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Microphone: built-in (stereo), external (stereo)
Body features and constructions
Environment sealings: Yes 
LCD size: 3"
LCD resolution: 921600px
LCD tilt - swivel: Yes - Yes
Card slots:
  • Memory Stick Duo
  • PRO Duo
  • PRO-HG Duo
  • SD
  • SDHC
  • SDXC
  • Eye-Fi
Vertical grip: VG-C77AM
Battery: NP-FM500H
Weight: 653g
Dimensions: 143 x 104 x81mm