General

Sony SLT-A33 Sony SLT-A55
Brand
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Sony Sony
Lowest price
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Unknown $668.03
Announced
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August 2010 August 2010

Sensor

Type
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CMOS CMOS
Crop factor
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1.5x 1.5x
Megapixels
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14 MP 16 MP
Light sensitivity
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12,800 ISO 12,800 ISO
Light sensitivity (boost)
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25,600 ISO 25,600 ISO
Sensor cleaning
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Yes Yes

Sensor (Advanced)

True resolution
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14 MP 16 MP
Native resolution
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4592 × 3056 4912 × 3264
Pixel size
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26.1 µm² 22.9 µm²

Screen

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

Lenses

Lens availability
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126 lenses 126 lenses
Lens mount
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Sony Alpha Sony Alpha

Form factor

Size
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124×92×85 mm 124×92×85 mm
Depth
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3.3" 3.3"
Weight
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500 g 500 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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No No
Built-in focus motor
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No No

Viewfinder

Type
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Digital Digital
Viewfinder size
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Unknown 0.72x
Coverage
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Unknown Unknown

Movies

Format
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1080p @ 30fps 1080p @ 30fps
Supports 24p
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No No
High-speed framerate
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None None
External mic jack
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Yes Yes
Autofocus
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Phase detection Phase detection
Continuous focus
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Yes Yes
All formats
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  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 30fps
  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 30fps

Features

Panorama
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Yes Yes
HDR
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Yes Yes
3D
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Yes Yes
Image stabilization
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  1. Sensor shift
  1. Sensor shift
Supports RAW
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Yes Yes
GPS
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No Yes

Performance

Startup delay
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800 ms 900 ms
Shutter lag
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215 ms 220 ms
Battery life
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270 shots 330 shots
Continuous shooting
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7 fps 10 fps

Focus system

Autofocus
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Phase detection Phase detection
Focus points
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15 15
Cross type focus points
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3 3

Shutter

Max
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1/4000s 1/4000s
Min
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30s 30s

Flash

Built-in flash
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Yes Yes
Popup
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Yes Yes
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
  2. Memory Stick Duo
  3. Memory Stick PRO Duo
  4. SD
  5. SDHC
  6. SDXC
  1. Memory Stick
  2. Memory Stick Duo
  3. Memory Stick PRO Duo
  4. SD
  5. SDHC
  6. SDXC

DXO Mark Scores

Image quality
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70.0 73.0
Color depth
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22.8 bits 23 bits
Dynamic range
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12.6 EV 12.4 EV
Low light performance
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591 ISO 816 ISO
Sony SLT-A33
SLT A33
Sony

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Sony SLT-A55
SLT A55
Sony

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