Comparisons / Comparison of Sony Alpha ILCE-A7R III and Sony Alpha SLT-A77

Comparison of Sony Alpha ILCE-A7R III and Sony Alpha SLT-A77 [S]ave

Attribute
Sony Alpha ILCE-A7R III ×
Sony Alpha SLT-A77 ×
General
ModelSony Alpha ILCE-A7R IIISony Alpha SLT-A77
BrandSonySony
Manufacturer urlhttps://www.sony.com/https://www.sony.com/
Model numberA7R IIIA77
Alternate model number(s)
  • ilce-7rm3
-
Camera formatCompact System CameraSLR
Release year (year)20172011
Tripod mount++
Length (mm)127143
Width (mm)7481
Height (mm)96104
Weight (g)6571,363
Waterproof--
PredecessorSony A7R II-
SuccessorSony A7R IVSony A77
Image Sensor
Sensor typeCMOSCMOS
Sensor manufacturerSonySony
Effective megapixels (MP)42.424.3
Sensor format35mmAPS-C
Sensor area (mm²)861.6369.72
Sensor width (mm)35.923.7
Sensor height (mm)2415.6
Approximate pixel pitch (micron)4.513.95
Focal Length Multiplier (x)11.5
Aspect ratio3:23:2
Color filter typeRGBGRGBG
Anti aliasing filterNoneFixed
Self-cleaning++
Sensor shift image stabilization++
On-sensor phase detect+-
Dxo sensor score10078
Dxo color depth score (bit)2624
Dxo dynamic range score (evs)14.713.2
Dxo maximum effective iso score (iso)3,523801
Image Capture
Image resolution
  • 2592 x 1456(3.8 mp 16:9)
  • 2592 x 1728(4.5 mp 3:2)
  • 3984 x 2240(8.9 mp 16:9)
  • 3984 x 2240(8.9 mp 16:9)
  • 3984 x 2656(10.6 mp 3:2)
  • 3984 x 2656(10.6 mp 3:2)
  • 5168 x 2912(15.0 mp other)
  • 5168 x 2912(15.0 mp other)
  • 5168 x 3448(17.8 mp 3:2)
  • 5168 x 3448(17.8 mp 3:2)
  • 7952 x 4472(35.6 mp 16:9)
  • 7952 x 5304(42.2 mp 3:2)
  • 12416 x 1856(23.0 mp other)
  • 1920 x 1080(2.1 mp 16:9)
  • 2160 x 3872(8.4 mp other)
  • 2160 x 5536(12.0 mp other)
  • 3008 x 1688(5.1 mp 16:9)
  • 3008 x 2000(6.0 mp 3:2)
  • 4240 x 2400(10.2 mp other)
  • 4240 x 2832(12.0 mp 3:2)
  • 4912 x 1080(5.3 mp other)
  • 6000 x 3376(20.3 mp 16:9)
  • 6000 x 4000(24.0 mp 3:2)
  • 7152 x 1080(7.7 mp other)
  • 8192 x 1856(15.2 mp other)
Image file format
  • jpeg
  • raw (14-bit arw 2.3)
  • raw+jpeg
  • 12-bit raw (arw 2.3)
  • jpeg (exif 2.3)
  • mpo (3d)
  • raw+jpeg
Continuous-mode (fps)9.911.6
Video Capture
Can take movies++
Movie resolution
  • 1920x1080
  • 3840x2160
  • 1440x1080
  • 1920x1080
  • 640x480
Movie max framerate (fps)12060
Image Storage
Movie file formatXAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereoAVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite video out--
Hd video out++
Hd video connectionHDMIHDMI
Lens and Optics
Lens mountSony ESony Alpha (Minolta A)
Lens-Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal length (35mm equivalent) (mm)-24.00 - 75.00
Focal length (actual) (mm)-16.00 - 50.00
Zoom ratio (x)-3.13
Aperture range (f)-0.05 - 0.36
Integrated nd filter--
Min focus range (cm)-30
Optical image stabilization--
Digital zoom++
Digital zoom values (x)
  • 2
  • 4
  • 1.4
  • 2
Auto Focus
Auto focus++
Auto focus typeFast Hybrid 4D AF with 399 focal plane phase-detect points and 425 contrast-detect AF pointsPhase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local
Auto focus assist light++
Manual focus++
Viewfinder
ViewfinderEVF / LCDEVF / LCD
Viewfinder typeEVF: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, ApproxEVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus peaking++
Evf resolution (dots)3,686,4002,359,000
Viewfinder magnification (35mm equivalent) (x)0.780.73
Viewfinder magnification (nominal/claimed) (x)0.781.09
Display
Eye-level viewfinder++
Rear display++
Rear display size (inch)33
Rear display resolution (dots)1,440,000921,600
Touchscreen+-
Articulating screen++
Tilt swivel screen-+
Selfie screen-+
Max playback zoom (x)-13
Top deck display-+
Exposure
Maximum iso (native)32,00016,000
Minimum iso (native)100100
Iso settingsAUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400Auto (100-12800 with selectable limits), 50 (expanded), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000
Auto iso mode++
White balance settings
  • auto
  • cloudy
  • color temp./ filter (2500-9900k with 15-step magenta/green compensation)
  • custom
  • daylight
  • flash
  • fluorescent (4 settings)
  • incandescent
  • shade
  • underwater
  • auto wb
  • awb micro adjustment
  • c filter g7 to m7 (15-step)
  • c. temp 2500 to 9900k
  • cloudy
  • custom
  • daylight
  • flash
  • fluorescent (warm white/cool white/day white/daylight)
  • incandescent
  • shade
Shutter speed range (s)1/8000 - 301/8000 - 30
Bulb mode++
Exposure compensation+/- 5.0EV in 0.3EV steps+/- 5.0EV in 0.3EV steps
Explosure metering modes1200-zone Evaluative Multi-segment, Center-weighted, Spot1200-zone Evaluative, Center-weighted, Spot
Program auto exposure++
Aperture priority++
Shutter priority++
Full manual exposure++
Creative exposure modes3 Custom Settings; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR
Self timer (s)
  • 2
  • 3
  • 5
  • 10
  • 2
  • 3
  • 5
  • 10
Time lapse (intervalometer)--
High resolution composite--
Flash
Built-in flash-+
Flash modes
  • auto flash
  • fill-flash
  • flash off
  • hi-speed sync
  • rear sync.
  • red-eye reduction: on/off
  • slow sync.
  • wireless
  • auto
  • fill-flash
  • high-speed sync (with external flash)
  • off
  • rear sync
  • red-eye reduction: on/off
  • slow sync
  • wireless
Flash guide number (iso 100) (m)-12
Flash range description-GN=12(m) at ISO 100; Range is lens aperture dependent
Max flash sync (s)1/2501/250
Flash exposure compensation+/- 3.0 EV in 0.3EV steps+/- 2.0 EV in 0.3EV steps
External flash connectionMulti Interface Hot Shoe, Sync TerminalProprietary Hot Shoe, PC Sync Terminal
Built-in wireless flash control--
Usable memory types
  • ms pro duo
  • sd
  • sdhc
  • sdx
  • ms duo
  • ms pro duo
  • sd
  • sdhc
  • sdx
Uhs supportUHS-IIUHS-I
Other memorySlot1:SD UHS-II; 2:MS/SD UHS-I-
Dual card slots+-
Raw capture support++
Uncompressed format
  • raw (14-bit arw 2.3)
  • raw+jpeg
  • 12-bit raw (arw 2.3)
  • raw+jpeg
Connectivity
Built-in wi-fi+-
NFC+-
Bluetooth+-
Built-in gps-+
Microphone jack++
Headphone jack+-
External connections
  • bluetooth
  • usb 2.0 high speed
  • usb 3.0 super speed
  • wifi
  • usb 2.0 high speed
Pictbridge compliant-+
Dpof compliant++
Remote control++
Remote control type
  • optional via rm-vpr1
  • usb or wi-fi
  • optional wireless or wired
Connections (extended)
  • microphone and headphone jacks
  • multi-terminal micro usb (with remote support)
  • type-d micro hdmi
  • usb-c (usb 3.1 gen 1)
  • dc input
  • external stereo micophone jack
  • phototv hd)
  • type-c hdmi mini connector (bravia sync
  • wired remote terminal
Performance Timing
Max cycle time for jpeg shooting (s/frame)0.30.42
Max cycle time for raw shooting (s/frame)-0.42
Buffer size for raw shooting in single shot mode (frames)-5
Max cycle time for raw plus jpeg shooting (s/frame)0.30.42
Camera penalizes early shutter press--
Jpeg shooting speed in burst mode (max resolution) (fps)9.911.6
Buffer size for jpeg shooting in burst mode (max resolution) (frames)8217
Raw shooting speed in burst mode (fps)9.211.6
Buffer size for raw shooting in burst mode (frames)3014
Raw plus jpeg shooting speed in burst mode (fps)9.111.6
Buffer size for raw plus jpeg shooting in burst mode (frames)3013
Shutter lag (full af, wide/mid) (s)0.250.12
Shutter lag (manual focus) (s)0.10.09
Shutter lag (full af, with flash) (s)-0.33
Shutter lag (prefocused) (s)0.020.05
Shutter lag (notes)Silent Shooting Mode: Full AF lag = 0.368s, Manual focus = 0.258s, Prefocus = 0.123sFull AF, Wide-area mode = 0.119s
Startup time (s)1.70.8
Play -> record time (s)1.41
Flash cycle time, full power (s)-3.2
Power
Battery life, stills (cipa rating monitor/live view) (shots)650530
Battery life, still (cipa rating ovf/evf) (shots)530470
Battery life, video (minutes)100-
Battery form factorProprietaryProprietary NP-FM500H
Usable battery types
  • np-fz100 lithium-ion rechargeable
  • lithium-ion rechargeable
Batteries included1 x Proprietary NP-FZ100 Lithium-ion rechargeable1 x Proprietary NP-FM500H Lithium-ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Dedicated battery charger included++
Internal charging supported+-
Software
Included software
  • capture one express (for sony) free download
  • image data converter 4)
  • software cd-rom (includes picture motion browser
Os compatibility-
  • mac os x (v.10.5 +); pmb is windows only
  • windows xp sp3/vista sp2/7
Miscellaneous
Notes and features-SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080p HD Video, Auto+, Multi-frame NR, Hand-held Twilight, Auto HDR



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