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Sony A99 II vs Sony A55

Portability
57
Imaging
77
Features
92
Overall
83
Sony Alpha A99 II front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony A99 II vs Sony A55 Key Specs

Sony A99 II
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600 (Increase to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony/Minolta Alpha Mount
  • 849g - 143 x 104 x 76mm
  • Revealed September 2016
  • Earlier Model is Sony A99
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Announced August 2010
  • Later Model is Sony A57
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Sony A99 II vs Sony A55 Overview

Here is a complete comparison of the Sony A99 II versus Sony A55, one being a Advanced DSLR and the other is a Entry-Level DSLR and they are both sold by Sony. There is a crucial difference among the image resolutions of the A99 II (42MP) and A55 (16MP) and the A99 II (Full frame) and A55 (APS-C) provide different sensor sizes.

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The A99 II was unveiled 6 years later than the A55 and that is a fairly serious gap as far as camera tech is concerned. Both of the cameras feature different body design with the Sony A99 II being a Mid-size SLR camera and the Sony A55 being a Compact SLR camera.

Before going into a step-by-step comparison, here is a quick summary of how the A99 II scores against the A55 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Sony A99 II over the Sony A55

 A99 II A55 
AnnouncedSeptember 2016August 2010Fresher by 74 months
Display resolution1229k921kClearer display (+308k dot)

Reasons to pick Sony A55 over the Sony A99 II

 A55 A99 II 

Common features in the Sony A99 II and Sony A55

 A99 II A55 
Focus manually More precise focus
Display typeFully articulatedFully ArticulatedFully Articulated display
Display size3"3"Same display dimensions
Selfie screen Both are selfie friendly
Touch display Absent Touch display

Sony A99 II vs Sony A55 Physical Comparison

For anyone who is planning to carry your camera often, you need to think about its weight and proportions. The Sony A99 II comes with physical measurements of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") with a weight of 849 grams (1.87 lbs) while the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Examine the Sony A99 II versus Sony A55 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using during that time. The following is a front view measurements comparison of the A99 II versus the A55.

Sony A99 II vs Sony A55 size comparison

Taking into account size and weight, the portability rating of the A99 II and A55 is 57 and 67 respectively.

Sony A99 II vs Sony A55 top view buttons comparison

Sony A99 II vs Sony A55 Sensor Comparison

Generally, it's hard to visualize the difference in sensor sizing just by going through specifications. The visual here may provide you a greater sense of the sensor measurements in the A99 II and A55.

Plainly, the 2 cameras feature different megapixels and different sensor sizing. The A99 II with its larger sensor is going to make getting shallow DOF easier and the Sony A99 II will produce extra detail having an extra 26 Megapixels. Greater resolution will also make it easier to crop photos way more aggressively. The newer A99 II should have a benefit with regard to sensor innovation.

Sony A99 II vs Sony A55 sensor size comparison

Sony A99 II vs Sony A55 Screen and ViewFinder

Sony A99 II vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A99 II
Portrait photography with Sony A55
86
manual focus
amazing sensor resolution (42 megapixels)
sensor size is large (Full frame)
features face detect focus
delivers RAW files
73
has manual focus
resolution is good (16 megapixels)
sensor size is good (APS-C)
provides face detect focusing
delivers RAW formats
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Street Comparison

Sony A99 II Street photography information
Sony A55 Street photography information
76
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
environment sealing
good ISO range (25,600)
77
screen articulates
built in image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
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Sports Comparison

Sports photography with Sony A99 II
Sports photography with Sony A55
82
high shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
amazing sensor resolution (42MP)
sensor size is large (Full frame)
features tracking focus
environment sealing
sensor has phase detect auto focus
terrible battery life (490 CIPA)
68
built in image stabilization (Sensor based)
resolution is good (16 megapixels)
sensor size is good (APS-C)
has phase detect AF
terrible battery life (380 CIPA)
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Travel Comparison

Sony A99 II Travel photography advice
Sony A55 Travel photography advice
70
environment sealing
supports bluetooth
amazing sensor resolution (42MP)
screen is selfie friendly
terrible battery life (490 shots)
62
resolution is good (16MP)
built-in flash
screen is selfie friendly
does not have Time Lapse function
terrible battery life (380 shots)
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Landscape Comparison

Landscape photography with Sony A99 II
Landscape photography with Sony A55
82
manual focus
swap lenses (Sony/Minolta Alpha mount)
screen is a decent size (3 inch)
image stabilization (Sensor based 5-axis)
amazing sensor resolution (42 megapixels)
sensor size is large (Full frame)
no low pass filter
good ISO range (25,600)
delivers RAW files
environment sealing
has dual storage slots
terrible battery life (490 per charge)
67
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3")
built in image stabilization (Sensor based)
resolution is good (16MP)
sensor size is good (APS-C)
delivers RAW formats
terrible battery life (380 CIPA)
does not have Time Lapse function
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Vlogging Comparison

Sony A99 II Vlogging features
Sony A55 Vlogging features
78
screen is selfie friendly
image stabilization (Sensor based 5-axis)
features face detect focus
great video quality (3840 x 2160 resolution)
includes mic jack
78
screen is selfie friendly
built in image stabilization (Sensor based)
provides face detect focusing
high quality video (1920 x 1080 pxls)
has mic socket
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Sony A99 II vs Sony A55 Specifications

Detailed spec comparison table for Sony A99 II and Sony A55
 Sony Alpha A99 IISony SLT-A55
General Information
Brand Sony Sony
Model type Sony Alpha A99 II Sony SLT-A55
Type Advanced DSLR Entry-Level DSLR
Revealed 2016-09-19 2010-08-24
Physical type Mid-size SLR Compact SLR
Sensor Information
Processor Bionz X Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 24mm 23.5 x 15.6mm
Sensor surface area 861.6mm² 366.6mm²
Sensor resolution 42 megapixels 16 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Max resolution 7952 x 5304 4912 x 3264
Max native ISO 25600 12800
Max enhanced ISO 102400 25600
Min native ISO 100 100
RAW format
Min enhanced ISO 50 -
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 399 15
Cross type focus points 79 3
Lens
Lens mount type Sony/Minolta Alpha Sony/Minolta Alpha
Available lenses 143 143
Crop factor 1 1.5
Screen
Type of display Fully articulated Fully Articulated
Display diagonal 3" 3"
Display resolution 1,229 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,359 thousand dots 1,150 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.73x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/8000s 1/4000s
Continuous shutter rate 12.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 10.00 m (@ ISO 100)
Flash settings Off, auto, fill, slow sync, redeye reduction, rear sync, high-speed sync, wireless Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Fastest flash synchronize 1/250s 1/160s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 3840x2160 1920x1080
Video file format MPEG-4, AVCHD, XAVC S MPEG-4, AVCHD, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 849 grams (1.87 lbs) 500 grams (1.10 lbs)
Physical dimensions 143 x 104 x 76mm (5.6" x 4.1" x 3.0") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall rating 92 73
DXO Color Depth rating 25.4 23.0
DXO Dynamic range rating 13.4 12.4
DXO Low light rating 2317 816
Other
Battery life 490 photos 380 photos
Battery type NP-FM500H lithium-ion battery & charger Battery Pack
Battery ID - NP-FW50
Self timer Yes (2, 5, 10 secs) Yes (2 or 10 sec)
Time lapse feature
Storage type Dual SD/SDHC/SDXC/MS Duo slots SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Dual One
Cost at release $3,198 $800