General

Sony A7 Sony Alpha a7 III
Brand
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Sony Sony
Lowest price
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$749.00 $1,998.00
Announced
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October 2013 February 2018

Sensor

Type
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CMOS CMOS
Crop factor
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1x 1x
Megapixels
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24 MP 24 MP
Light sensitivity
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25,600 ISO 51,200 ISO
Light sensitivity (boost)
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25,600 ISO Unknown
Sensor cleaning
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Yes Unknown

Sensor (Advanced)

True resolution
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24 MP 24 MP
Native resolution
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6000 × 4000 6000 × 4000
Pixel size
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35.7 µm² 35.5 µm²

Screen

Type
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LCD LCD
Size
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3" 3"
Resolution
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1,229k dots 921k dots
Touch screen
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No Yes
Flips out
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Yes Yes
Live view
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Yes Yes

Lenses

Lens availability
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92 lenses 92 lenses
Lens mount
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Sony E (Full Frame) Sony E (Full Frame)

Form factor

Size
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127×94×48 mm 127×96×74 mm
Depth
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1.9" 2.9"
Weight
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417 g 650 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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Yes Yes
Built-in focus motor
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No No

Viewfinder

Type
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Digital Digital
Viewfinder size
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0.71x 0.78x
Coverage
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100% 100%

Movies

Format
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1080p @ 60fps UHD @ 30fps
Supports 24p
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Yes Yes
High-speed framerate
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None 120 fps
External mic jack
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Yes Yes
Autofocus
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Phase detection Unknown
Continuous focus
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Yes n/a
All formats
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  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 24fps
  4. 1080p @ 60fps
  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 24fps
  4. 1080p @ 60fps
  5. 1080p @ 120fps
  6. UHD @ 24fps
  7. UHD @ 30fps

Features

Panorama
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Yes Unknown
HDR
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Yes Unknown
3D
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No Unknown
Image stabilization
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None
  1. Sensor shift
Supports RAW
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Yes Unknown
GPS
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No No

Performance

Startup delay
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1700 ms Unknown
Shutter lag
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221 ms Unknown
Battery life
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340 shots 710 shots
Continuous shooting
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5 fps 10 fps

Focus system

Autofocus
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Hybrid detection Phase detection
Focus points
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117 693
Cross type focus points
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25 Unknown

Shutter

Max
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1/8000s 1/8000s
Min
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30s 30s

Flash

Built-in flash
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No No
External connection
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Yes Yes

Storage

Storage slots
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1 1
Supported formats
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  1. Memory Stick Duo
  2. Memory Stick PRO Duo
  3. Memory Stick PRO-HG Duo
  4. SD
  5. SDHC
  6. SDXC
  1. Memory Stick PRO-HG Duo
  2. SD
  3. SDHC
  4. SDXC

DXO Mark Scores

Image quality
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90.0 Unknown
Color depth
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24.9 bits Unknown
Dynamic range
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14.2 EV Unknown
Low light performance
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2,449 ISO Unknown
Sony A7
A7
Sony

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Alpha a7 III
Sony

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