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Olympus TG-3 vs Sony A55

Portability
90
Imaging
40
Features
46
Overall
42
Olympus Tough TG-3 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Olympus TG-3 vs Sony A55 Key Specs

Olympus TG-3
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 247g - 112 x 66 x 31mm
  • Revealed March 2014
  • Later Model is Olympus TG-4
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Introduced August 2010
  • Updated by Sony A57
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Olympus TG-3 vs Sony A55 Overview

Here is a detailed comparison of the Olympus TG-3 vs Sony A55, one being a Waterproof and the latter is a Entry-Level DSLR by rivals Olympus and Sony. The sensor resolution of the TG-3 (16MP) and the A55 (16MP) is pretty close but the TG-3 (1/2.3") and A55 (APS-C) feature different sensor dimensions.

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The TG-3 was launched 3 years later than the A55 and that is a fairly sizable gap as far as camera technology is concerned. Each of these cameras come with different body type with the Olympus TG-3 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before going through a full comparison, below is a simple summation of how the TG-3 grades against the A55 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-3 over the Sony A55

 TG-3 A55 
IntroducedMarch 2014August 2010Fresher by 44 months

Reasons to pick Sony A55 over the Olympus TG-3

 A55 TG-3 
Focus manually More exact focusing
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution921k460kClearer screen (+461k dot)
Selfie screen Easy selfies

Common features in the Olympus TG-3 and Sony A55

 TG-3 A55 
Screen dimension3"3"Identical screen sizing
Touch screen Lack of Touch screen

Olympus TG-3 vs Sony A55 Physical Comparison

In case you're aiming to carry your camera, you have to factor its weight and measurements. The Olympus TG-3 has got external measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") with a weight of 247 grams (0.54 lbs) while the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Examine the Olympus TG-3 vs Sony A55 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that moment. Here is the front view dimensions comparison of the TG-3 against the A55.

Olympus TG-3 vs Sony A55 size comparison

Taking into account dimensions and weight, the portability grade of the TG-3 and A55 is 90 and 67 respectively.

Olympus TG-3 vs Sony A55 top view buttons comparison

Olympus TG-3 vs Sony A55 Sensor Comparison

Normally, its hard to imagine the contrast in sensor sizing just by looking through technical specs. The graphic here might give you a stronger sense of the sensor sizing in the TG-3 and A55.

As you can tell, the 2 cameras have got the exact same megapixels albeit different sensor sizing. The TG-3 includes the smaller sensor which is going to make obtaining shallow DOF more challenging. The younger TG-3 provides a benefit with regard to sensor innovation.

Olympus TG-3 vs Sony A55 sensor size comparison

Olympus TG-3 vs Sony A55 Screen and ViewFinder

Olympus TG-3 vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-3
Portrait photography with Sony A55
37
resolution is good (16 megapixels)
includes face detect focusing
no manual focus
no external flash support
tiny sensor (1/2.3")
does not have RAW format
73
has manual focus
decent sensor resolution (16 megapixels)
decent sensor size (APS-C)
includes face detect focus
supports RAW files
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Street Comparison

Olympus TG-3 Street photography information
Sony A55 Street photography information
59
has image stabilization (Sensor-shift)
environment proof
no articulating screen
tiny sensor (1/2.3")
does not have RAW format
more heavy than competition in class (247g)
77
fully articulated screen
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
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Sports Comparison

Sports photography with Olympus TG-3
Sports photography with Sony A55
47
has image stabilization (Sensor-shift)
resolution is good (16MP)
includes tracking focus
environment proof
great battery life (330 CIPA)
low fps (5.0 fps)
no shutter priority mode
tiny sensor (1/2.3")
does not have phase detect AF
68
built in image stabilization (Sensor based)
decent sensor resolution (16 megapixels)
decent sensor size (APS-C)
supports phase detect auto focus
not so great battery pack (380 CIPA)
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Travel Comparison

Olympus TG-3 Travel photography factors
Sony A55 Travel photography factors
74
great battery life (330 CIPA)
environment proof
resolution is good (16 megapixels)
flash built-in
quite wide (25mm)
great maximum aperture (f2.0)
more heavy than competition in class (247g)
display isn't selfie friendly
62
decent sensor resolution (16MP)
has built in flash
selfie friendly screen
no Timelapse function
not so great battery pack (380 shots)
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Landscape Comparison

Olympus TG-3 as a Landscape photography camera
Sony A55 as a Landscape photography camera
56
quite wide (25mm)
great maximum aperture (f2.0)
pretty good screen size (3 inch)
has image stabilization (Sensor-shift)
resolution is good (16 megapixels)
environment proof
great battery life (330 per charge)
no manual focus
lens is fixed (fixed lens mount)
tiny sensor (1/2.3")
does not have RAW format
67
has manual focus
change lenses (Sony/Minolta Alpha mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
decent sensor resolution (16 megapixels)
decent sensor size (APS-C)
supports RAW files
not so great battery pack (380 shots)
no Timelapse function
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Vlogging Comparison

Olympus TG-3 as a Vlogging camera
Sony A55 as a Vlogging camera
34
quite wide (25mm)
great maximum aperture (f2.0)
has image stabilization (Sensor-shift)
includes face detect focusing
high quality video (1920 x 1080 pixels)
display isn't selfie friendly
lack of microphone support
more heavy than competition in class (247 grams)
78
selfie friendly screen
built in image stabilization (Sensor based)
includes face detect focus
video res high (1920 x 1080 pxls)
comes with microphone support
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Olympus TG-3 vs Sony A55 Specifications

Detailed spec comparison table for Olympus TG-3 and Sony A55
 Olympus Tough TG-3Sony SLT-A55
General Information
Brand Olympus Sony
Model Olympus Tough TG-3 Sony SLT-A55
Type Waterproof Entry-Level DSLR
Revealed 2014-03-31 2010-08-24
Physical type Compact Compact SLR
Sensor Information
Processor TruePic VII Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 16 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 4608 x 3456 4912 x 3264
Maximum native ISO 6400 12800
Maximum enhanced ISO - 25600
Minimum native ISO 100 100
RAW format
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points - 15
Cross focus points - 3
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 25-100mm (4.0x) -
Max aperture f/2.0-4.9 -
Macro focus distance 1cm -
Available lenses - 143
Focal length multiplier 5.8 1.5
Screen
Type of screen Fixed Type Fully Articulated
Screen sizing 3 inches 3 inches
Resolution of screen 460 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch screen
Screen tech TFT-LCD -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 1,150 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/4000 secs
Continuous shutter rate 5.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range - 10.00 m (@ ISO 100)
Flash modes Auto, redeye reduction, fill-in, off, LED Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash synchronize - 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video data format H.264, Motion JPEG MPEG-4, AVCHD, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn BuiltIn
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 247 gr (0.54 lbs) 500 gr (1.10 lbs)
Dimensions 112 x 66 x 31mm (4.4" x 2.6" x 1.2") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall score not tested 73
DXO Color Depth score not tested 23.0
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 816
Other
Battery life 330 pictures 380 pictures
Style of battery Battery Pack Battery Pack
Battery model LI-92B NP-FW50
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage type SD, SDHC, SDXC, Internal Memory SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Pricing at release $350 $800