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Olympus SZ-31MR iHS vs Sony A7S

Portability
89
Imaging
39
Features
47
Overall
42
Olympus SZ-31MR iHS front
 
Sony Alpha A7S front
Portability
77
Imaging
60
Features
73
Overall
65

Olympus SZ-31MR iHS vs Sony A7S Key Specs

Olympus SZ-31MR iHS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-600mm (F3.0-6.9) lens
  • 226g - 106 x 69 x 40mm
  • Released February 2012
Sony A7S
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 409600
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 489g - 127 x 94 x 48mm
  • Revealed April 2014
  • Newer Model is Sony A7S II
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Olympus SZ-31MR iHS vs Sony A7S Overview

Here, we will be evaluating the Olympus SZ-31MR iHS vs Sony A7S, one being a Small Sensor Superzoom and the latter is a Pro Mirrorless by companies Olympus and Sony. There exists a huge gap among the resolutions of the SZ-31MR iHS (16MP) and A7S (12MP) and the SZ-31MR iHS (1/2.3") and A7S (Full frame) provide totally different sensor size.

Photography Glossary

The SZ-31MR iHS was announced 3 years prior to the A7S and that is a fairly significant gap as far as camera technology is concerned. Both the cameras feature different body design with the Olympus SZ-31MR iHS being a Compact camera and the Sony A7S being a SLR-style mirrorless camera.

Before getting into a in depth comparison, here is a brief summation of how the SZ-31MR iHS matches up vs the A7S in relation to portability, imaging, features and an overall grade.

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Reasons to pick Olympus SZ-31MR iHS over the Sony A7S

 SZ-31MR iHS A7S 
Touch screen Quickly navigate

Reasons to pick Sony A7S over the Olympus SZ-31MR iHS

 A7S SZ-31MR iHS 
RevealedApril 2014February 2012More recent by 26 months
Manual focus Dial precise focus
Screen typeTiltingFixed Tilting screen
Screen resolution1230k920kClearer screen (+310k dot)

Common features in the Olympus SZ-31MR iHS and Sony A7S

 SZ-31MR iHS A7S 
Screen size3"3"Same screen size
Selfie screen Lacking selfie screen

Olympus SZ-31MR iHS vs Sony A7S Physical Comparison

For anyone who is going to lug around your camera often, you'll have to factor in its weight and volume. The Olympus SZ-31MR iHS has got outside dimensions of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") along with a weight of 226 grams (0.50 lbs) whilst the Sony A7S has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 489 grams (1.08 lbs).

Check the Olympus SZ-31MR iHS vs Sony A7S in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that time. Here is a front view sizing comparison of the SZ-31MR iHS and the A7S.

Olympus SZ-31MR iHS vs Sony A7S size comparison

Taking into consideration dimensions and weight, the portability rating of the SZ-31MR iHS and A7S is 89 and 77 respectively.

Olympus SZ-31MR iHS vs Sony A7S top view buttons comparison

Olympus SZ-31MR iHS vs Sony A7S Sensor Comparison

Sometimes, its tough to envision the contrast in sensor measurements only by looking through specifications. The graphic underneath will give you a stronger sense of the sensor dimensions in the SZ-31MR iHS and A7S.

To sum up, the 2 cameras feature different megapixels and different sensor measurements. The SZ-31MR iHS with its smaller sensor will make getting shallower depth of field trickier and the Olympus SZ-31MR iHS will provide you with greater detail with its extra 4 Megapixels. Higher resolution will help you crop pictures way more aggressively. The older SZ-31MR iHS will be behind with regard to sensor tech.

Olympus SZ-31MR iHS vs Sony A7S sensor size comparison

Olympus SZ-31MR iHS vs Sony A7S Screen and ViewFinder

Olympus SZ-31MR iHS vs Sony A7S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus SZ-31MR iHS
Portrait photography with Sony A7S
34
megapixel count decent (16 megapixels)
has face detection focus
focusing manually not possible
manual mode not available
can't use external flash
sensor is tiny (1/2.3")
has no RAW format
68
focusing manually
sensor size is great (Full frame)
provides face detect focus
exports RAW formats
MP count low (12 megapixels)
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Street Comparison

Olympus SZ-31MR iHS Street photography features
Sony A7S Street photography features
64
has image stabilization (Sensor-shift)
offers touch to focus
lighter than average (226 grams)
no articulating screen
sensor is tiny (1/2.3")
has no RAW format
76
tilting screen
sensor size is great (Full frame)
exports RAW formats
environment sealing
lighter than competition in class (489 grams)
great ISO range (409,600)
does not have image stabilization
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Sports Comparison

Sports photography with Olympus SZ-31MR iHS
Sports photography with Sony A7S
44
great zoom range (25-600mm 24.0 x zoom)
has image stabilization (Sensor-shift)
megapixel count decent (16 megapixels)
has tracking autofocus
no shutter priority mode
sensor is tiny (1/2.3")
not so great battery power (200 per charge)
has no phase detect auto focus
52
great max shutter speed (1/8,000s)
sensor size is great (Full frame)
provides tracking focus
environment sealing
continuous shooting slow (5.0 frames per second)
does not have image stabilization
MP count low (12 megapixels)
low battery power (360 shots)
lack of phase detect auto focus
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Travel Comparison

Olympus SZ-31MR iHS Travel photography information
Sony A7S Travel photography information
67
lighter than average (226g)
offers touch to focus
megapixel count decent (16 megapixels)
has built in flash
rather wide (25mm)
long zoom (600mm)
no Timelapse function
not so great battery power (200 CIPA)
screen isn't selfie friendly
slow max aperture (f3.0)
58
lighter than competition in class (489 grams)
environment sealing
low battery power (360 shots)
MP count low (12 megapixels)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus SZ-31MR iHS
Landscape photography with Sony A7S
41
rather wide (25mm)
decent sized screen (3")
has image stabilization (Sensor-shift)
megapixel count decent (16 megapixels)
focusing manually not possible
fixed lens (fixed lens mount)
slow max aperture (f3.0)
manual mode not available
sensor is tiny (1/2.3")
has no RAW format
not so great battery power (200 CIPA)
no Timelapse function
66
focusing manually
swap lenses (Sony E mount)
screen size is decent (3 inches)
sensor size is great (Full frame)
great ISO range (409,600)
exports RAW formats
environment sealing
does not have image stabilization
MP count low (12MP)
low battery power (360 per charge)
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Vlogging Comparison

Olympus SZ-31MR iHS as a Vlogging camera
Sony A7S as a Vlogging camera
35
rather wide (25mm)
has touchscreen
has image stabilization (Sensor-shift)
has face detection focus
video res high (1920 x 1080 pxls)
lighter than average (226g)
slow max aperture (f3.0)
screen isn't selfie friendly
no external microphone support
34
provides face detect focus
good video quality (3840 x 2160 resolution)
comes with mic support
lighter than competition in class (489 grams)
screen is not selfie friendly
does not have image stabilization
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Olympus SZ-31MR iHS vs Sony A7S Specifications

Detailed spec comparison table for Olympus SZ-31MR iHS and Sony A7S
 Olympus SZ-31MR iHSSony Alpha A7S
General Information
Make Olympus Sony
Model type Olympus SZ-31MR iHS Sony Alpha A7S
Type Small Sensor Superzoom Pro Mirrorless
Released 2012-02-08 2014-04-06
Physical type Compact SLR-style mirrorless
Sensor Information
Processor Chip Dual TruePic V Bionz X
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.8 x 23.9mm
Sensor area 28.1mm² 855.6mm²
Sensor resolution 16MP 12MP
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Maximum resolution 4608 x 3456 4240 x 2832
Maximum native ISO 6400 409600
Lowest native ISO 80 100
RAW format
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points - 25
Cross type focus points - -
Lens
Lens support fixed lens Sony E
Lens zoom range 25-600mm (24.0x) -
Max aperture f/3.0-6.9 -
Macro focusing range 1cm -
Total lenses - 121
Focal length multiplier 5.8 1
Screen
Screen type Fixed Type Tilting
Screen size 3" 3"
Resolution of screen 920 thousand dots 1,230 thousand dots
Selfie friendly
Liveview
Touch capability
Screen technology Hypercrystal III TFT Color LCD -
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.71x
Features
Lowest shutter speed 4 secs 30 secs
Highest shutter speed 1/1700 secs 1/8000 secs
Continuous shooting rate 7.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change WB
Image stabilization
Built-in flash
Flash distance 9.30 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Fill-in no built-in flash
External flash
AEB
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps)
Maximum video resolution 1920x1080 3840x2160
Video data format MPEG-4, H.264 MPEG-4, AVCHD, XAVC
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 226 gr (0.50 lbs) 489 gr (1.08 lbs)
Physical dimensions 106 x 69 x 40mm (4.2" x 2.7" x 1.6") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO All around rating not tested 87
DXO Color Depth rating not tested 23.9
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 3702
Other
Battery life 200 images 360 images
Battery style Battery Pack Battery Pack
Battery ID LI-50B NP-FW50
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting With downloadable app
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Single Single
Launch pricing $0 $1,998