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Olympus TG-4 vs Sony A55

Portability
90 Imaging
41 Features
51 Overall
45
Olympus Tough TG-4 front
 
Sony SLT-A55 front
Portability
67 Imaging
56 Features
80 Overall
65

Olympus TG-4 vs Sony A55 Key Specs

Olympus TG-4
(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
  • Introduced April 2015
  • Earlier Model is Olympus TG-3
  • Updated by Olympus TG-5
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Introduced August 2010
  • Successor is Sony A57
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Olympus TG-4 vs Sony A55 Overview

Below, we will be evaluating the Olympus TG-4 versus Sony A55, one being a Waterproof and the latter is a Entry-Level DSLR by manufacturers Olympus and Sony. The resolution of the TG-4 (16MP) and the A55 (16MP) is relatively close but the TG-4 (1/2.3") and A55 (APS-C) use different sensor dimensions.

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The TG-4 was brought out 4 years later than the A55 and that is a fairly large gap as far as camera tech is concerned. The two cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before going straight into a in-depth comparison, below is a simple overview of how the TG-4 grades against the A55 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Olympus TG-4 over the Sony A55

		

		

			
 TG-4 A55 
IntroducedApril 2015August 2010More recent by 57 months
		

	

	
	

		

		
Reasons to pick Sony A55 over the Olympus TG-4

		

		

			
 A55 TG-4 
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution921k460kCrisper screen (+461k dot)
Selfie screen  Easy selfies
		

	

	
	

		

		
Common features in the Olympus TG-4 and Sony A55

		

		

			
 TG-4 A55 
Manual focus  More exact focusing
Screen dimension3"3"Identical screen sizing
Touch screen  Missing Touch screen
		

	

	

	
	
	
	

	

		

		
Olympus TG-4 vs Sony A55 Physical Comparison

		

		

			
If you are aiming to lug around your camera often, you will want to factor its weight and size. The Olympus TG-4 enjoys outside measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) while the Sony A55 has specifications 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 Olympus TG-4 versus Sony A55 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses
Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached during that time. Below is the front view physical size comparison of the TG-4 against the A55.
Olympus TG-4 vs Sony A55 size comparison
Considering size and weight, the portability score of the TG-4 and A55 is 90 and 67 respectively.
Olympus TG-4 vs Sony A55 top view buttons comparison		

	

	
	

		

		
Olympus TG-4 vs Sony A55 Sensor Comparison

		

		

			
Often, it's tough to picture the gap in sensor measurements simply by viewing specifications. The photograph here may give you a more clear sense of the sensor measurements in the TG-4 and A55.
Plainly, both cameras have got the exact same MP albeit different sensor measurements. The TG-4 provides the smaller sensor which will make getting bokeh harder. The more recent TG-4 provides an edge in sensor tech.
	
			Olympus TG-4 vs Sony A55 sensor size comparison			
		

	

	
	

		

		
Olympus TG-4 vs Sony A55 Screen and ViewFinder

		

		

					

		Olympus TG-4 vs Sony A55 Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
 Olympus TG-4 as a Portrait photography camera
 Sony A55 as a Portrait photography camera
47
 focusing manually
 good  resolution (16 megapixels)
 offers face detect autofocus
 saves RAW files
 no manual control
 no external flash support
 sensor  is small (1/2.3")
73
 focusing manually
 MP count decent (16MP)
 good sensor size (APS-C)
 has face detection autofocus
 exports RAW formats
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Street Comparison
 Olympus TG-4 as a Street photography camera
 Sony A55 as a Street photography camera
65
 has image stabilization (Sensor-shift)
 saves RAW files
 weather sealing
 no articulating screen
 sensor  is small (1/2.3")
 more heavy than competitors (247g)
77
 fully articulated screen
 has image stabilization (Sensor based)
 good sensor size (APS-C)
 exports RAW formats
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Sports Comparison
 Olympus TG-4 as a Sports photography camera
 Sony A55 as a Sports photography camera
48
 has image stabilization (Sensor-shift)
 good  resolution (16 megapixels)
 offers tracking focus
 weather sealing
 better than average battery (380 shots)
 slow frames per second (5.0 frames/s)
 no shutter priority
 sensor  is small (1/2.3")
 has no phase detect autofocus
68
 has image stabilization (Sensor based)
 MP count decent (16MP)
 good sensor size (APS-C)
 sensor has phase detect autofocus
 bad battery power (380 per charge)
Photography Glossary
Travel Comparison
 Olympus TG-4 as a Travel photography camera
 Sony A55 as a Travel photography camera
74
 better than average battery (380 shots)
 weather sealing
 good  resolution (16MP)
 has built in flash
 decently wide (25mm)
 great max aperture (f2.0)
 more heavy than competitors (247 grams)
 display isn't selfie friendly
62
 MP count decent (16MP)
 built-in flash
 selfie friendly screen
 missing Timelapse function
 bad battery power (380 CIPA)
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Landscape Comparison
Landscape photography with Olympus TG-4
Landscape photography with Sony A55
62
 focusing manually
 decently wide (25mm)
 great max aperture (f2.0)
 screen size is good (3 inches)
 has image stabilization (Sensor-shift)
 good  resolution (16MP)
 saves RAW files
 weather sealing
 better than average battery (380 per charge)
 fixed lens (fixed lens mount)
 no manual control
 sensor  is small (1/2.3")
67
 focusing manually
 change lenses (Sony/Minolta Alpha mount)
 screen size is good (3")
 has image stabilization (Sensor based)
 MP count decent (16MP)
 good sensor size (APS-C)
 exports RAW formats
 bad battery power (380 CIPA)
 missing Timelapse function
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Vlogging Comparison
 Olympus TG-4 as a Vlogging camera
 Sony A55 as a Vlogging camera
34
 decently wide (25mm)
 great max aperture (f2.0)
 has image stabilization (Sensor-shift)
 offers face detect autofocus
 high quality video (1920 x 1080 pxls)
 display isn't selfie friendly
 no microphone support
 more heavy than competitors (247 grams)
78
 selfie friendly screen
 has image stabilization (Sensor based)
 has face detection autofocus
 high video quality (1920 x 1080 pixels)
 includes external microphone port
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Olympus TG-4 vs Sony A55 Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus TG-4 and Sony A55
 Olympus Tough TG-4Sony SLT-A55
General Information
Company Olympus Sony
Model type Olympus Tough TG-4 Sony SLT-A55
Type Waterproof Entry-Level DSLR
Introduced 2015-04-13 2010-08-24
Body design Compact Compact SLR
Sensor Information
Chip 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 area 28.1mm² 366.6mm²
Sensor resolution 16 megapixels 16 megapixels
Anti alias filter    
Aspect ratio 1:1, 4:3, 3:2 and  16:9 3:2 and  16:9
Highest resolution 4608 x 3456 4912 x 3264
Highest native ISO 6400 12800
Highest boosted ISO - 25600
Lowest native ISO 100 100
RAW support    
Autofocusing
Manual focusing    
Autofocus touch    
Autofocus continuous    
Single autofocus    
Tracking autofocus    
Selective autofocus    
Autofocus center weighted    
Multi area autofocus    
Autofocus live view    
Face detection focus    
Contract detection focus    
Phase detection focus    
Total focus points 25 15
Cross type focus points - 3
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 25-100mm (4.0x) -
Maximum aperture f/2.0-4.9 -
Macro focusing range 1cm -
Amount of lenses - 143
Crop factor 5.8 1.5
Screen
Range of screen Fixed Type Fully Articulated
Screen sizing 3 inches 3 inches
Resolution of screen 460 thousand dot 921 thousand dot
Selfie friendly    
Liveview    
Touch functionality    
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 4 secs 30 secs
Highest shutter speed 1/2000 secs 1/4000 secs
Continuous shooting speed 5.0fps 10.0fps
Shutter priority    
Aperture priority    
Expose Manually    
Exposure compensation - Yes
Change white balance    
Image stabilization    
Built-in flash    
Flash distance 7.90 m (at ISO 1600) 10.00 m (@ ISO 100)
Flash options Auto, redeye reduction, fill-in, off, LED Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe    
AE bracketing    
WB bracketing    
Highest flash sync - 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)
Highest video resolution 1920x1080 1920x1080
Video data format H.264, Motion JPEG MPEG-4, AVCHD, H.264
Microphone jack    
Headphone jack    
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
Environment seal    
Water proofing    
Dust proofing    
Shock proofing    
Crush proofing    
Freeze proofing    
Weight 247 grams (0.54 lbs) 500 grams (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 All around 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 photos 380 photos
Form of battery Battery Pack Battery Pack
Battery ID LI-92B NP-FW50
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse shooting    
Storage media SD, SDHC, SDXC, Internal Memory SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Price at launch $379 $800