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Olympus TG-820 iHS vs Sony A7c

Portability
92
Imaging
36
Features
37
Overall
36
Olympus TG-820 iHS front
 
Sony Alpha A7c front
Portability
78
Imaging
76
Features
88
Overall
80

Olympus TG-820 iHS vs Sony A7c Key Specs

Olympus TG-820 iHS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-140mm (F3.9-5.9) lens
  • 206g - 101 x 65 x 26mm
  • Revealed February 2012
Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200 (Increase to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Released September 2020
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Olympus TG-820 iHS vs Sony A7c Overview

In this write-up, we are reviewing the Olympus TG-820 iHS vs Sony A7c, one being a Waterproof and the other is a Advanced Mirrorless by companies Olympus and Sony. There exists a sizeable gap between the resolutions of the TG-820 iHS (12MP) and A7c (24MP) and the TG-820 iHS (1/2.3") and A7c (Full frame) come with totally different sensor sizes.

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The TG-820 iHS was launched 9 years earlier than the A7c and that is quite a large gap as far as technology is concerned. Each of the cameras offer different body type with the Olympus TG-820 iHS being a Compact camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before we go straight into a in depth comparison, below is a simple summary of how the TG-820 iHS grades vs the A7c when considering portability, imaging, features and an overall grade.

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Reasons to pick Olympus TG-820 iHS over the Sony A7c

 TG-820 iHS A7c 
Display resolution1030k922kCrisper display (+108k dot)

Reasons to pick Sony A7c over the Olympus TG-820 iHS

 A7c TG-820 iHS 
ReleasedSeptember 2020February 2012More recent by 104 months
Focus manually Dial exact focusing
Display typeFully articulatedFixed Fully Articulating display
Selfie screen Easy selfies
Touch display Easily navigate

Common features in the Olympus TG-820 iHS and Sony A7c

 TG-820 iHS A7c 
Display sizing3"3"Equivalent display dimensions

Olympus TG-820 iHS vs Sony A7c Physical Comparison

If you are going to lug around your camera regularly, you're going to have to think about its weight and measurements. The Olympus TG-820 iHS provides outer dimensions of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") accompanied by a weight of 206 grams (0.45 lbs) and the Sony A7c has proportions of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs).

Check out the Olympus TG-820 iHS vs Sony A7c in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at that moment. The following is the front view size comparison of the TG-820 iHS compared to the A7c.

Olympus TG-820 iHS vs Sony A7c size comparison

Factoring in dimensions and weight, the portability rating of the TG-820 iHS and A7c is 92 and 78 respectively.

Olympus TG-820 iHS vs Sony A7c top view buttons comparison

Olympus TG-820 iHS vs Sony A7c Sensor Comparison

Sometimes, it's difficult to see the gap between sensor measurements merely by going over technical specs. The visual underneath will help offer you a better sense of the sensor dimensions in the TG-820 iHS and A7c.

As you have seen, both of these cameras enjoy different megapixel count and different sensor measurements. The TG-820 iHS featuring a tinier sensor will make achieving shallow DOF harder and the Sony A7c will offer you greater detail utilizing its extra 12MP. Greater resolution will also make it easier to crop images far more aggressively. The older TG-820 iHS is going to be behind with regard to sensor technology.

Olympus TG-820 iHS vs Sony A7c sensor size comparison

Olympus TG-820 iHS vs Sony A7c Screen and ViewFinder

Olympus TG-820 iHS vs Sony A7c Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-820 iHS Portrait photography information
Sony A7c Portrait photography information
27
provides face detect autofocus
no manual focus
no manual control
no external flash support
resolution not great (12MP)
small sensor (1/2.3")
lacks RAW files
78
focusing manually
good resolution (24MP)
large sensor size (Full frame)
supports face detection autofocus
delivers RAW files
can't use external flash
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Street Comparison

Olympus TG-820 iHS as a Street photography camera
Sony A7c as a Street photography camera
61
image stabilization (Sensor-shift)
weather proofing
screen is fixed
small sensor (1/2.3")
lacks RAW files
85
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
delivers RAW files
supports focus via touch
weather proofing
very good high ISO (51,200)
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Sports Comparison

Olympus TG-820 iHS Sports photography highlights
Sony A7c Sports photography highlights
34
image stabilization (Sensor-shift)
provides tracking focus
weather proofing
slow continuous shooting (5.0 frames/s)
no shutter priority mode
resolution not great (12 megapixels)
small sensor (1/2.3")
bad battery pack (220 CIPA)
lacks phase detect autofocus
88
quiet shooting (1/8,000s)
has image stabilization (Sensor based 5-axis)
good resolution (24MP)
large sensor size (Full frame)
supports tracking autofocus
weather proofing
great battery life (740 per charge)
supports phase detect autofocus
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Travel Comparison

Olympus TG-820 iHS as a Travel photography camera
Sony A7c as a Travel photography camera
59
weather proofing
built-in flash
quite wide (28mm)
does not have Timelapse mode
bad battery pack (220 shots)
resolution not great (12MP)
does not offer selfie friendly display
somewhat slow max aperture (f3.9)
86
great battery life (740 CIPA)
weather proofing
supports bluetooth
supports focus via touch
good resolution (24MP)
display is selfie friendly
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Landscape Comparison

Olympus TG-820 iHS Landscape photography highlights
Sony A7c Landscape photography highlights
38
quite wide (28mm)
screen size is good (3")
image stabilization (Sensor-shift)
weather proofing
no manual focus
can't change lens (fixed lens mount)
somewhat slow max aperture (f3.9)
no manual control
resolution not great (12 megapixels)
small sensor (1/2.3")
lacks RAW files
bad battery pack (220 CIPA)
does not have Timelapse mode
88
focusing manually
switch lenses (Sony E mount)
screen is a good size (3 inches)
has image stabilization (Sensor based 5-axis)
good resolution (24 megapixels)
large sensor size (Full frame)
very good high ISO (51,200)
delivers RAW files
weather proofing
great battery life (740 shots)
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Vlogging Comparison

Olympus TG-820 iHS Vlogging details
Sony A7c Vlogging details
33
quite wide (28mm)
image stabilization (Sensor-shift)
provides face detect autofocus
good video quality (1920 x 1080 pxls)
somewhat slow max aperture (f3.9)
does not offer selfie friendly display
does not have microphone socket
86
display is selfie friendly
touchscreen capability
has image stabilization (Sensor based 5-axis)
supports face detection autofocus
high res video (3840 x 2160 resolution)
comes with external mic port
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Olympus TG-820 iHS vs Sony A7c Specifications

Detailed spec comparison table for Olympus TG-820 iHS and Sony A7c
 Olympus TG-820 iHSSony Alpha A7c
General Information
Brand Olympus Sony
Model Olympus TG-820 iHS Sony Alpha A7c
Type Waterproof Advanced Mirrorless
Revealed 2012-02-08 2020-09-14
Body design Compact Rangefinder-style mirrorless
Sensor Information
Powered by TruePic VI -
Sensor type CMOS BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.8 x 23.8mm
Sensor surface area 28.1mm² 852.0mm²
Sensor resolution 12 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Peak resolution 3968 x 2976 6000 x 4000
Highest native ISO 6400 51200
Highest enhanced ISO - 204800
Min native ISO 100 100
RAW format
Min enhanced ISO - 50
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 693
Lens
Lens mounting type fixed lens Sony E
Lens focal range 28-140mm (5.0x) -
Max aperture f/3.9-5.9 -
Macro focus distance 1cm -
Number of lenses - 122
Crop factor 5.8 1
Screen
Range of display Fixed Type Fully articulated
Display diagonal 3 inch 3 inch
Display resolution 1,030k dot 922k dot
Selfie friendly
Liveview
Touch display
Display technology HyperCrystal III TFT Color LCD -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,360k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.59x
Features
Minimum shutter speed 4s 30s
Fastest shutter speed 1/2000s 1/4000s
Fastest quiet shutter speed - 1/8000s
Continuous shutter speed 5.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 3.50 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Fill-in no built-in flash
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30 fps)1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264 MPEG-4, XAVC S, H.264
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 206 gr (0.45 lbs) 509 gr (1.12 lbs)
Dimensions 101 x 65 x 26mm (4.0" x 2.6" x 1.0") 124 x 71 x 60mm (4.9" x 2.8" x 2.4")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 220 shots 740 shots
Battery form Battery Pack Battery Pack
Battery model LI-50B NP-FZ100
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC card (UHS-II supported)
Storage slots 1 1
Pricing at release $500 $1,800