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Sony T99 vs Sony A55

Portability
96
Imaging
37
Features
27
Overall
33
Sony Cyber-shot DSC-T99 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony T99 vs Sony A55 Key Specs

Sony T99
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-100mm (F3.5-4.6) lens
  • 121g - 93 x 56 x 17mm
  • Introduced July 2010
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Revealed August 2010
  • Replacement is Sony A57
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Sony T99 vs Sony A55 Overview

Let's examine more closely at the Sony T99 vs Sony A55, former is a Ultracompact while the latter is a Entry-Level DSLR and both are manufactured by Sony. The image resolution of the T99 (14MP) and the A55 (16MP) is pretty well matched but the T99 (1/2.3") and A55 (APS-C) enjoy totally different sensor sizing.

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The T99 was unveiled within a month of the A55 so they are of a similar age. Each of the cameras come with different body type with the Sony T99 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before we go through a more detailed comparison, below is a quick view of how the T99 grades vs the A55 when considering portability, imaging, features and an overall score.

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Reasons to pick Sony T99 over the Sony A55

 T99 A55 
Touch screen Quickly navigate

Reasons to pick Sony A55 over the Sony T99

 A55 T99 
Manually focus Dial precise focus
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution921k230kCrisper screen (+691k dot)
Selfie screen Easy selfies

Common features in the Sony T99 and Sony A55

 T99 A55 
RevealedJuly 2010August 2010Similar age
Screen dimension3"3"Identical screen measurement

Sony T99 vs Sony A55 Physical Comparison

For those who are intending to carry around your camera frequently, you have to factor its weight and dimensions. The Sony T99 has got outer dimensions of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") along with a weight of 121 grams (0.27 lbs) whilst the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Analyze the Sony T99 vs Sony A55 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ based on the lens you are employing at that moment. Here is the front view overall size comparison of the T99 compared to the A55.

Sony T99 vs Sony A55 size comparison

Factoring in size and weight, the portability grade of the T99 and A55 is 96 and 67 respectively.

Sony T99 vs Sony A55 top view buttons comparison

Sony T99 vs Sony A55 Sensor Comparison

Oftentimes, its tough to visualise the difference between sensor sizes purely by looking at technical specs. The image below will provide you a better sense of the sensor sizes in the T99 and A55.

As you can tell, both the cameras have got different megapixels and different sensor sizes. The T99 with its tinier sensor will make getting shallow depth of field more difficult and the Sony A55 will give you greater detail having an extra 2 Megapixels. Higher resolution will also let you crop photographs much more aggressively.

Sony T99 vs Sony A55 sensor size comparison

Sony T99 vs Sony A55 Screen and ViewFinder

Sony T99 vs Sony A55 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Sony T99
Portrait photography with Sony A55
28
sensor resolution is decent (14 megapixels)
manual focus not available
manual exposure not possible
cannot use external flash
sensor is tiny (1/2.3")
no RAW format
73
focusing manually
good megapixels (16 megapixels)
good sensor size (APS-C)
features face detection autofocus
delivers RAW formats
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Street Comparison

Sony T99 Street photography factors
Sony A55 Street photography factors
57
has image stabilization (Optical)
screen is fixed
sensor is tiny (1/2.3")
no RAW format
77
screen can move to multiple angles
has image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
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Sports Comparison

Sony T99 as a Sports photography camera
Sony A55 as a Sports photography camera
35
has image stabilization (Optical)
sensor resolution is decent (14 megapixels)
low max shutter speed (1/1,250 seconds)
lack of shutter priority mode
sensor is tiny (1/2.3")
no phase detect AF
68
has image stabilization (Sensor based)
good megapixels (16 megapixels)
good sensor size (APS-C)
has phase detect autofocus
not so great battery life (380 shots)
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Travel Comparison

Travel photography with Sony T99
Travel photography with Sony A55
65
sensor resolution is decent (14 megapixels)
built-in flash
reasonably wide (25mm)
lack of Time Lapse mode
screen isn't selfie friendly
slow max aperture (f3.5)
62
good megapixels (16 megapixels)
built-in flash
selfie friendly display
lack of Time Lapse function
not so great battery life (380 per charge)
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Landscape Comparison

Sony T99 Landscape photography information
Sony A55 Landscape photography information
42
reasonably wide (25mm)
screen is a decent size (3")
has image stabilization (Optical)
sensor resolution is decent (14 megapixels)
manual focus not available
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
manual exposure not possible
sensor is tiny (1/2.3")
no RAW format
lack of Time Lapse mode
67
focusing manually
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3 inches)
has image stabilization (Sensor based)
good megapixels (16 megapixels)
good sensor size (APS-C)
delivers RAW formats
not so great battery life (380 per charge)
lack of Time Lapse function
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Vlogging Comparison

Vlogging with Sony T99
Vlogging with Sony A55
31
reasonably wide (25mm)
screen is touchscreen
has image stabilization (Optical)
slow max aperture (f3.5)
screen isn't selfie friendly
video res low (1280 x 720 pxls)
lack of external mic support
78
selfie friendly display
has image stabilization (Sensor based)
features face detection autofocus
high res video (1920 x 1080 pixels)
has external mic port
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Sony T99 vs Sony A55 Specifications

Detailed spec comparison table for Sony T99 and Sony A55
 Sony Cyber-shot DSC-T99Sony SLT-A55
General Information
Brand Name Sony Sony
Model type Sony Cyber-shot DSC-T99 Sony SLT-A55
Type Ultracompact Entry-Level DSLR
Introduced 2010-07-08 2010-08-24
Body design Ultracompact Compact SLR
Sensor Information
Chip Bionz Bionz
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 14 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Max resolution 4320 x 3240 4912 x 3264
Max native ISO 3200 12800
Max enhanced ISO - 25600
Min native ISO 80 100
RAW support
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 15
Cross type focus points - 3
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 25-100mm (4.0x) -
Maximal aperture f/3.5-4.6 -
Macro focusing distance 1cm -
Amount of lenses - 143
Crop factor 5.8 1.5
Screen
Range of display Fixed Type Fully Articulated
Display size 3 inches 3 inches
Resolution of display 230k dot 921k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Minimum shutter speed 2 secs 30 secs
Fastest shutter speed 1/1250 secs 1/4000 secs
Continuous shutter speed 10.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set WB
Image stabilization
Integrated flash
Flash distance 4.60 m 10.00 m (@ ISO 100)
Flash modes Auto, On, Off, Red eye, Slow syncro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
White balance bracketing
Fastest flash sync - 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1280x720 1920x1080
Video file format MPEG-4 MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 121 gr (0.27 lbs) 500 gr (1.10 lbs)
Dimensions 93 x 56 x 17mm (3.7" x 2.2" x 0.7") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall rating not tested 73
DXO Color Depth rating not tested 23.0
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 816
Other
Battery life - 380 photographs
Battery form - Battery Pack
Battery ID NP-BN1 NP-FW50
Self timer Yes (2 or 10 sec, portrait1, portrait2) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Price at release $179 $800