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Sony A99 II / Sony A77 II / Sony A99 / Sony A77 / Sony A850

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Sony A99 II / Sony A77 II / Sony A99 / Sony A77 / Sony A850

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Sony A99 II
Sony Alpha A99 II
Sony A77 II
Sony SLT-A77 II
Sony A99
Sony SLT-A99
Sony A77
Sony SLT-A77
Sony A850
Sony Alpha DSLR-A850
GENERAL
Model Sony Alpha A99 II Sony SLT-A77 II Sony SLT-A99 Sony SLT-A77 Sony Alpha DSLR-A850
Release Date 2016-09-19 2014-05-21 2012-12-12 2011-10-25 2010-04-15
Camera Type Mid-size SLR Mid-size SLR Mid-size SLR Mid-size SLR Mid-size SLR
SENSOR
Sensor Resolution
42

Megapixel

24

Megapixel

24

Megapixel

24

Megapixel

25

Megapixel

Max Image Dimensions 7952 x 5304 6000 x 4000 6000 x 4000 6000 x 4000 6048 x 4032
Sensor Type BSI-CMOS CMOS CMOS CMOS CMOS
Sensor Size Full frame APS-C Full frame APS-C Full frame
Sensor Dimensions 35.9 x 24 mm 23.5 x 15.6 mm 35.8 x 23.8 mm 23.5 x 15.6 mm 35.9 x 24 mm
Sensor Area
861mm2
366mm2
852mm2
366mm2
861mm2
Max ISO

25600

25600

25600

16000

3200

Min ISO

100

50

100

50

200

RAW Support
SHOOTING FEATURES
Max Shutter Speed 1/8000 sec 1/8000 sec 1/8000 sec 1/8000 sec 1/8000 sec
Min Shutter Speed 30 sec 30 sec 30 sec 30 sec 30 sec
Continuous Shooting 12.0 fps 12 fps 10 fps 12 fps 3 fps
Shutter Priority
Aperture Priority
Manual Exposure
Exposure Compensation �5 (at 1/3 EV, 1/2 EV steps) �5 (at 1/3 EV, 1/2 EV steps) �5 (at 1/3 EV, 1/2 EV steps) �5 (at 1/3 EV, 1/2 EV steps) �3 (at 1/3 EV steps)
Auto Exposure Bracketing �5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps) �3 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps) (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps) (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps) �2 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
Custom White Balance
Image Stabilizer Sensor-shift Sensor-shift Sensor-shift Sensor-shift Sensor-shift
Built-in Flash
Flash Range no built-in flash 12.00 m (at ISO 100) no built-in flash 12.00 m no built-in flash
Max Flash Sync 1/250s 1/250s 1/250s 1/250s 1/250s
Flash Modes
  • Off
  • auto
  • fill
  • slow sync
  • redeye reduction
  • rear sync
  • high-speed sync
  • wireless
  • Auto
  • fill
  • rear sync
  • slow sync
  • Auto
  • On
  • Off
  • Red-Eye
  • Slow Sync
  • High Speed Sync
  • Rear Curtain
  • Fill-in
  • Wireless
  • Auto
  • On
  • Off
  • Red-Eye
  • Slow Sync
  • High Speed Sync
  • Rear Curtain
  • Fill-in
  • Wireless
  • Auto
  • On
  • Off
  • Red-Eye
  • Slow Sync
  • Rear Curtain
  • Fill-in
  • Wireless
External Flash
AE Bracketing
WB Bracketing
VIEWFINDER
Viewfinder Type Electronic Electronic Electronic Electronic Optical (pentaprism)
Viewfinder Resolution 2,359k dots 2,359k dots 2,359k dots 2,359k dots no electronic viewfinder
Viewfinder Coverage 100% 100% 100% 100% 98%
Viewfinder Magnification 0.78 0.73 0.71 0.73 0.74
LCD DISPLAY
Display Type Fully articulated Fully Articulated Fully Articulated Fully Articulated Fixed Type
Technology n/a n/a TFT Xtra Fine color LCD n/a TFT Xtra Fine color LCD
Screen Size
3.00"
3.00"
3.00"
3.00"
3.00"
Resolution 1,229k dots 1,229k dots 1,229k dots 921k dots 922k dots
Live View
Touch Screen
VIDEO
Video File Format
  • MPEG-4
  • AVCHD
  • XAVC S
  • MPEG-4
  • AVCHD
  • XAVC S
  • MPEG-4
  • AVCHD
  • H.264
  • MPEG-4
  • AVCHD
  • H.264
n/a
Microphone Type Stereo Stereo Stereo Stereo None
Speaker Type Mono Mono Mono Mono
External Microphone Port
External Headphone Port
PHYSICAL SPECS
Weight 849 g 647 g 812 g 732 g 895 g
Dimensions 143 x 104 x 76 mm 143 x 104 x 81 mm 147 x 111 x 78 mm 143 x 104 x 81 mm 156 x 117 x 82 mm
Body Sealing Yes Yes Yes (Dust and moisture resistant) Yes (Dust and moisture resistant) Yes
BATTERY and STORAGE
Battery Type NP-FM500H lithium-ion battery & charger Battery Pack Battery Pack Battery Pack Battery Pack
Battery Life

490 Shots

480 Shots

500 Shots

470 Shots

880 Shots

Storage Media
  • Dual SD/SDHC/SDXC/MS Duo slots
  • SD/ SDHC/SDXC
  • Memory Stick Pro Duo/ Pro-HG Duo
  • Memory Stick PRO Duo/Pro-HG Duo; SD
  • SDHC and SDXC
  • SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
  • Compact Flash (Type I or II)
  • UDMA
  • Memory Stick Duo / Pro Duo
CONNECTIVITY
Wireless Connectivity Built-In Built-In None Eye-Fi Connected None
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
LENS
Lens Mount Sony/Minolta Alpha Sony/Minolta Alpha Sony/Minolta Alpha Sony/Minolta Alpha Sony/Minolta Alpha
Focal Range(35mm) No Lens No Lens No Lens No Lens No Lens
Focal Length Multiplier 1x 1.5x 1x 1.5x
Optical Zoom No Lens No Lens No Lens No Lens No Lens
Max Aperture No Lens No Lens No Lens No Lens No Lens
Macro Focus Range No Lens No Lens No Lens No Lens No Lens
Manual Focus
AUTOFOCUS
Number of Focus Points 399 79 19 19 9
Contrast Detection
Phase Detection
AF Modes
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Continuous
  • AF Single
  • AF Selective
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Continuous
  • AF Single
  • AF Selective
  • AF Multi Area