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Olympus TG-2 iHS vs Sony A7 III

Portability
91
Imaging
36
Features
42
Overall
38
Olympus Tough TG-2 iHS front
 
Sony Alpha A7 III front
Portability
63
Imaging
74
Features
92
Overall
81

Olympus TG-2 iHS vs Sony A7 III Key Specs

Olympus TG-2 iHS
(Full Review)
  • 12MP - 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
  • 230g - 111 x 67 x 29mm
  • Launched June 2013
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Expand to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Released February 2018
  • Earlier Model is Sony A7 II
  • Later Model is Sony A7 IV
Photography Glossary

Olympus TG-2 iHS vs Sony A7 III Overview

Its time to take a more detailed look at the Olympus TG-2 iHS and Sony A7 III, one being a Waterproof and the latter is a Pro Mirrorless by rivals Olympus and Sony. There is a significant difference between the image resolutions of the TG-2 iHS (12MP) and A7 III (24MP) and the TG-2 iHS (1/2.3") and A7 III (Full frame) offer totally different sensor sizing.

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The TG-2 iHS was launched 5 years earlier than the A7 III and that is quite a sizable gap as far as tech is concerned. Both cameras have different body design with the Olympus TG-2 iHS being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting right into a step-by-step comparison, here is a short view of how the TG-2 iHS scores vs the A7 III with regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus TG-2 iHS over the Sony A7 III

 TG-2 iHS A7 III 

Reasons to pick Sony A7 III over the Olympus TG-2 iHS

 A7 III TG-2 iHS 
ReleasedFebruary 2018June 2013More recent by 56 months
Focus manually Dial precise focusing
Screen typeTiltingFixed Tilting screen
Screen resolution922k610kClearer screen (+312k dot)
Touch screen Quickly navigate

Common features in the Olympus TG-2 iHS and Sony A7 III

 TG-2 iHS A7 III 
Screen dimensions3"3"Equal screen measurement
Selfie screen Missing selfie screen

Olympus TG-2 iHS vs Sony A7 III Physical Comparison

When you are intending to lug around your camera frequently, you will have to take into account its weight and volume. The Olympus TG-2 iHS provides exterior measurements of 111mm x 67mm x 29mm (4.4" x 2.6" x 1.1") with a weight of 230 grams (0.51 lbs) and the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs).

See the Olympus TG-2 iHS and Sony A7 III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that time. Following is a front view dimension comparison of the TG-2 iHS against the A7 III.

Olympus TG-2 iHS vs Sony A7 III size comparison

Factoring in size and weight, the portability score of the TG-2 iHS and A7 III is 91 and 63 respectively.

Olympus TG-2 iHS vs Sony A7 III top view buttons comparison

Olympus TG-2 iHS vs Sony A7 III Sensor Comparison

Often, it is hard to see the difference between sensor measurements simply by reading through technical specs. The graphic below may provide you a clearer sense of the sensor measurements in the TG-2 iHS and A7 III.

As you have seen, both the cameras provide different megapixels and different sensor measurements. The TG-2 iHS because of its tinier sensor will make shooting shallow DOF tougher and the Sony A7 III will give more detail utilizing its extra 12 Megapixels. Higher resolution will help you crop shots more aggressively. The older TG-2 iHS is going to be behind with regard to sensor innovation.

Olympus TG-2 iHS vs Sony A7 III sensor size comparison

Olympus TG-2 iHS vs Sony A7 III Screen and ViewFinder

Olympus TG-2 iHS vs Sony A7 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-2 iHS Portrait photography features
Sony A7 III Portrait photography features
27
supports face detection focusing
manual focus not available
no manual exposure
can't use external flash
MP count low (12MP)
very small sensor (1/2.3")
has no RAW format
84
you can focus manually
decent MP (24 megapixels)
sensor size is large (Full frame)
has face detection autofocus
supports RAW formats
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Street Comparison

Olympus TG-2 iHS Street photography info
Sony A7 III Street photography info
61
image stabilization (Sensor-shift)
environment sealing
screen does not articulate
very small sensor (1/2.3")
has no RAW format
78
tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW formats
provides focus by touch
environment proofing
great ISO range (51,200)
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Sports Comparison

Sports photography with Olympus TG-2 iHS
Sports photography with Sony A7 III
40
image stabilization (Sensor-shift)
supports tracking autofocus
environment sealing
great battery power (350 per charge)
max frames per second very slow (5.0 frames/s)
lack of shutter priority mode
MP count low (12 megapixels)
very small sensor (1/2.3")
has no phase detect AF
87
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
decent MP (24MP)
sensor size is large (Full frame)
has tracking autofocus
environment proofing
good battery pack (610 shots)
comes with phase detect autofocus
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Travel Comparison

Olympus TG-2 iHS Travel photography info
Sony A7 III Travel photography info
68
great battery power (350 shots)
environment sealing
flash built-in
relatively wide (25mm)
great max aperture (f2.0)
missing Time Lapse recording
MP count low (12MP)
doesn't have a selfie friendly display
73
good battery pack (610 shots)
environment proofing
connects via bluetooth
provides focus by touch
decent MP (24 megapixels)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus TG-2 iHS
Landscape photography with Sony A7 III
46
relatively wide (25mm)
great max aperture (f2.0)
pretty good screen size (3 inches)
image stabilization (Sensor-shift)
environment sealing
great battery power (350 CIPA)
manual focus not available
lens is fixed (fixed lens mount)
no manual exposure
MP count low (12MP)
very small sensor (1/2.3")
has no RAW format
missing Time Lapse recording
85
you can focus manually
swap lenses (Sony E mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based 5-axis)
decent MP (24MP)
sensor size is large (Full frame)
great ISO range (51,200)
supports RAW formats
environment proofing
good battery pack (610 per charge)
2 card slots
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Vlogging Comparison

Olympus TG-2 iHS Vlogging details
Sony A7 III Vlogging details
36
relatively wide (25mm)
great max aperture (f2.0)
image stabilization (Sensor-shift)
supports face detection focusing
great video quality (1920 x 1080 pxls)
doesn't have a selfie friendly display
missing external mic support
36
touchscreen functionality
built in image stabilization (Sensor based 5-axis)
has face detection autofocus
high res video (3840 x 2160 resolution)
does have external microphone support
screen is not selfie friendly
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Olympus TG-2 iHS vs Sony A7 III Specifications

Detailed spec comparison table for Olympus TG-2 iHS and Sony A7 III
 Olympus Tough TG-2 iHSSony Alpha A7 III
General Information
Brand Name Olympus Sony
Model type Olympus Tough TG-2 iHS Sony Alpha A7 III
Type Waterproof Pro Mirrorless
Launched 2013-06-28 2018-02-27
Physical type Compact SLR-style mirrorless
Sensor Information
Powered by - Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor measurements 6.17 x 4.55mm 35.8 x 23.8mm
Sensor area 28.1mm² 852.0mm²
Sensor resolution 12 megapixel 24 megapixel
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Highest Possible resolution 3968 x 2976 6000 x 4000
Maximum native ISO 6400 51200
Maximum enhanced ISO - 204800
Min native ISO 100 100
RAW pictures
Min enhanced ISO - 50
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 693
Cross type focus points - -
Lens
Lens mount type fixed lens Sony E
Lens zoom range 25-100mm (4.0x) -
Largest aperture f/2.0-4.9 -
Macro focusing distance 1cm -
Number of lenses - 121
Focal length multiplier 5.8 1
Screen
Screen type Fixed Type Tilting
Screen sizing 3" 3"
Resolution of screen 610k dots 922k dots
Selfie friendly
Liveview
Touch display
Screen tech OLED -
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.78x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/8000 secs
Continuous shutter rate 5.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change WB
Image stabilization
Integrated flash
Flash distance - no built-in flash
Flash settings - no built-in flash
External flash
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Microphone support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS BuiltIn None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 230 grams (0.51 pounds) 650 grams (1.43 pounds)
Physical dimensions 111 x 67 x 29mm (4.4" x 2.6" x 1.1") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO Overall rating not tested 96
DXO Color Depth rating not tested 25.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 3730
Other
Battery life 350 photographs 610 photographs
Type of battery Battery Pack Battery Pack
Battery ID Li-90B NP-FZ100
Self timer Yes (2 and 12 sec, Pet Auto Shutter) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording
Type of storage - SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 Two
Launch cost $380 $1,998