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Sony a7 vs Sony SLT-A77

5.0 in
3.72 in
Sony a7 Digital Camera
Sony a7
5.61 in
4.1 in
Sony SLT-A77 Digital Camera
Sony SLT-A77
Available colors
Editiorial reviews
47
4.4 out of 5
21 user ratings
5 stars
57 %
4 stars
42 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
35
4.3 out of 5
17 user ratings
5 stars
47 %
4 stars
52 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
39
4.2 out of 5
39 user ratings
5 stars
46 %
4 stars
30 %
3 stars
23 %
2 stars
0 %
1 stars
0 %
42
4.1 out of 5
42 user ratings
5 stars
30 %
4 stars
50 %
3 stars
16 %
2 stars
2 %
1 stars
0 %

Full Comparison

Sensor

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Sensor typeExmor CMOSCMOS
Image sensor formatFull frameAPS-C
Sensor size1.41 in0.93 in
Sensor photo detectors25.0 Mpx25.0 Mpx
Effective pixels24.0 Mpx24.0 Mpx
Image ratio w:h3:2
  • 3:2
  • 16:9
Max resolution6000 x 4000 px6000 x 4000 px
Other resolutions
  • 6000x3376
  • 3936x2624
  • 3936x2216
  • 3008x1688
  • 3008x2000
  • 6000x3376
  • 4240x2832
  • 4240x2400
  • 3008x2000
  • 3008x1688
ProcessorBIONZ XBIONZ

Image

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
ISO
  • 100
  • 200
  • 6400
  • 25600
  • 100
  • 200
  • 400
  • 800
  • 1600
  • 3200
  • 6400
  • 12800
ISO minimum50100
ISO maximum2560025600
Boosted ISO minimum5050
Maximum image resolution6000 x 4000 px6000 x 4000 px
White balance presets108
White balance modes
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Fluorescent H
  • Fluorescent L
  • Incandescent
  • Shade
  • Underwater
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Incandescent
  • Shade
Custom white balanceyesyes
Supported image file formats
  • EXIF
  • JPEG XR
  • JPG
  • RAW
  • JPG
  • RAW
Photo effects
  • Vivid
  • Neutral
  • Sepia
  • Black&White
  • Neutral
  • Sepia
  • Vivid
Image stabilizernono
Image stabilization typeNoSensor-shift
Supported aspect ratios3:2
  • 3:2
  • 16:9
Uncompressed formatRAWRAW
HDRyesno
AEB/HDR supportyesyes

Optics and focus

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Lens mountSony E-mountSony A
Digital zoom8.0 x2.0 x
Magnification (Crop factor)0.71 x1.5 x
Maximum aperture223.5
AF assist (auto-focus assist light)LampLamp
Focus adjustmentManualAuto/Manual
Contrast autofocusyesno
Autofocus in recording modeyesyes
Autofocus
  • Centre weighted Auto Focus
  • Continuous Auto Focus
  • Contrast Detection Auto Focus
  • Flexible Spot Auto Focus
  • Continuous Auto Focus
  • Single Auto Focus
Auto Focus (AF) lockyesyes
Manual focusyesyes
Auto Focus (AF) points selectionAutoAuto
Auto Focus (AF) assist beamyesyes
Number of focus points2579
Max number of AF points (incl. assistant)11719
Image stabiliserOpticalBuilt-in
Filter diameter2.17 in2.44 in
Phase detection autofocusyesyes

Screen and viewfinder

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Screen size3.0 in3.0 in
Articulated LCDyesyes
Screen technologyLCDLCD
Screen dots1230000921000
Touch screenyesno
Field of view100.0 %100.0 %
Live viewyesyes
ViewfinderElectronicElectronic
Viewfinder screen size0.5 in0.5 in
Viewfinder coverage100.0 %100.0 %
Viewfinder resolution2359296.0 px2359000.0 px
Viewfinder magnification0.71 x1.09 x
Diopter adjustment (D-D)-4 - 34 - 3
Separate info displaynoyes
Second displaynono

Photography features

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Shooting modes
  • Aperture priority
  • Auto
  • Manual
  • Movie
  • Program
  • Scene
  • Sensitivity priority
  • Shutter priority
  • Movie
  • Scene
Camera shutter typeElectronicElectronic
Minimum shutter speed30.0 s30.0 s
Maximum shutter speed1.0 s1.0 s
Shutter priorityyesyes
Aperture priorityyesyes
Manual exposure modeyesyes
Number of exposures33
Exposure compensation plus55
Exposure compensation minus-5-5
Expousure compensation steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
Auto exposure lockyesyes
AE EV steps
  • 1/3
  • 1/2
  • 2/3
  • 1
  • 2
  • 1/3
  • 1/2
  • 2/3
  • 1
Continuous shootingyesyes
Self-timer delay3.0 s
  • 2
  • 10
Histogramyesyes
AE frames
  • 3
  • 5
  • 3
  • 5
WB BracketingYesYes
Subject / scene modesyesyes
Flash sync speed1/250s1/250s
Built-in flashyesyes
Flash modes
  • Auto
  • Fill-in
  • Flash OFF
  • Flash ON
  • High-speed Sync
  • Pre-flash
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Fill-in
  • Redeye Reduction
  • Slow Sync
External flash connectionHot shoe
  • Hot shoe
  • PC terminal
External flashyesyes
Continuous drive5.0 fps12.0 fps
Scene modes
  • Portrait
  • Sunset
  • Night portrait
  • Landscape
  • Night landscape
  • Portrait
  • Sunset
  • Landscape
Self-timeryesyes
Metering modes
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Spot
Manual settingsyesyes
Self-timer options
  • 2
  • 10
  • 2
  • 10
Speed (JPEG)5.0 fps8.0 fps
Speed (RAW)5.0 fps8.0 fps
Exposure bracketing0.3 - 2.0±EV0.3 - 3.0±EV

Videography features

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Maximum resolution1920 x 1080 px1920 x 1080 px
Video recordingyesyes
Recording resolutions
  • 640 x 480
  • 1280 x 720
  • 1440 x 1080
  • 1920 x 1080
  • 640 x 480
  • 1440 x 1080
  • 1920 x 1080
HD typeFull HDFull HD
Supported video file formats
  • AVC
  • AVCHD
  • H.264
  • MP4
  • MPEG-4
  • AVCHD
  • H.264
  • MP4
  • MPEG-4
Analog signal format system
  • NTSC
  • PAL
NTSC
Camera playback
  • Highlights
  • Movie
  • Single image
  • Slide show
  • Movie
  • Single image
Max resolution (highest frame rate)1920 x 10801920 x 1080
Max frame rate (highest resolution)60.0 fps50.0 fps
Max frame rate (regardless of res.)60.0 fps50.0 fps
Motion JPEG frame rate30.0 fps25.0 fps

Audio features

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Built-in microphoneyesyes
Microphone typeStereoStereo
Built-in speakersyesyes
Speaker typeMonoMono
Voice recordingyesyes
Audio systemStereoMono
Supported audio file formatsAACAAC
Noise reductionyesyes

Design

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Body typeMILCSLR
Body materialMagnesium alloyAluminum-magnesium
Colour of productBlackBlack
Anti-dust systemyesyes
Environmentally sealedyesyes

Dimensions

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Weight14.67 oz22.82 oz
Width5.0 in5.61 in
Height3.72 in4.1 in
Depth1.9 in3.19 in

Storage

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Compatible memory cards
  • MS Pro Duo
  • MS Pro-HG Duo
  • MS XC-HG Duo
  • SD
  • SDHC
  • SDXC
  • MS Pro Duo
  • MS Pro-HG Duo
  • MS Pro-HG Duo HX
  • SD
  • SDHC
  • SDXC
Dual memory card slotsyesyes
Memory slots11
Storage types
  • SD
  • SDHC
  • SDXC
  • Memory Stick Pro Duo
  • Memory Stick Duo
  • Memory Stick Pro-HG Duo
  • SD
  • SDHC
  • SDXC
  • Memory Stick Pro Duo
  • Memory Stick Pro-HG Duo
Camera file system
  • DPOF 1.1
  • Exif 2.3
  • RAW
  • DCF 2.0
  • Exif 2.3
  • RAW

Power

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
Power source type
  • AC
  • Battery
Battery
Battery life (CIPA)270530
Battery technology
Lithium-Ion
Lithium
Number of batteries supported11
AC adapter includedyesyes

Connectivity

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
HDMIyesyes
HDMI connector typeMicroMicro
USB version2.02.0
Microphone portyesyes
WirelessBuilt-InEye-Fi Connected
DC-in jackyesyes
Remote controlyesyes
PictBridgenono
NFCyesyes
Wireless network (Wi-Fi)yesyes
Firewirenono

Other features

Sony a7Sony a7
Sony SLT-A77Sony SLT-A77
GPSnoyes
Orientation sensoryesyes
Energy Star certifiednono

Pros & Cons

Pros
      Cons

          Often compared with Sony a7

          Often compared with Sony SLT-A77