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Olympus E-400 vs Sony A7S III

Portability
77
Imaging
43
Features
31
Overall
38
Olympus E-400 front
 
Sony Alpha A7S III front
Portability
61
Imaging
64
Features
92
Overall
75

Olympus E-400 vs Sony A7S III Key Specs

Olympus E-400
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 435g - 130 x 91 x 53mm
  • Revealed September 2006
  • Successor is Olympus E-410
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Push to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Introduced July 2020
  • Superseded the Sony A7S II
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Olympus E-400 vs Sony A7S III Overview

Following is a comprehensive comparison of the Olympus E-400 vs Sony A7S III, one is a Entry-Level DSLR and the other is a Pro Mirrorless by brands Olympus and Sony. The resolution of the E-400 (10MP) and the A7S III (12MP) is fairly similar but the E-400 (Four Thirds) and A7S III (Full frame) possess different sensor sizing.

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The E-400 was unveiled 15 years earlier than the A7S III which is quite a large gap as far as technology is concerned. The two cameras offer different body type with the Olympus E-400 being a Compact SLR camera and the Sony A7S III being a SLR-style mirrorless camera.

Before we go in to a detailed comparison, below is a short synopsis of how the E-400 matches up vs the A7S III when it comes to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-400 over the Sony A7S III

 E-400 A7S III 

Reasons to pick Sony A7S III over the Olympus E-400

 A7S III E-400 
IntroducedJuly 2020September 2006More modern by 168 months
Display typeFully articulatedFixed Fully Articulating display
Display sizing3"2.5"Larger display (+0.5")
Display resolution1440k215kClearer display (+1225k dot)
Selfie screen Easy selfies
Touch friendly display Easily navigate

Common features in the Olympus E-400 and Sony A7S III

 E-400 A7S III 
Focus manually Dial exact focus

Olympus E-400 vs Sony A7S III Physical Comparison

If you are looking to carry around your camera frequently, you will want to factor in its weight and measurements. The Olympus E-400 features outside measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 435 grams (0.96 lbs) whilst the Sony A7S III has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).

Take a look at the Olympus E-400 vs Sony A7S III in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. Underneath is the front view proportions comparison of the E-400 and the A7S III.

Olympus E-400 vs Sony A7S III size comparison

Looking at dimensions and weight, the portability score of the E-400 and A7S III is 77 and 61 respectively.

Olympus E-400 vs Sony A7S III top view buttons comparison

Olympus E-400 vs Sony A7S III Sensor Comparison

Sometimes, it can be tough to picture the contrast between sensor sizes merely by reviewing specs. The pic underneath may provide you a stronger sense of the sensor measurements in the E-400 and A7S III.

All in all, both the cameras enjoy different megapixel count and different sensor sizes. The E-400 with its tinier sensor is going to make shooting shallow DOF more challenging and the Sony A7S III will offer extra detail having an extra 2MP. Greater resolution can also help you crop images far more aggressively. The more aged E-400 is going to be behind when it comes to sensor tech.

Olympus E-400 vs Sony A7S III sensor size comparison

Olympus E-400 vs Sony A7S III Screen and ViewFinder

Olympus E-400 vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-400 as a Portrait photography camera
Sony A7S III as a Portrait photography camera
45
manual focus
sensor size is good (Four Thirds)
supports RAW files
does not have liveview
lack of manual exposure
sensor resolution low (10MP)
70
focusing manually
large sensor size (Full frame)
includes face detect focus
supports RAW files
low megapixels (12 megapixels)
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Street Comparison

Olympus E-400 Street photography details
Sony A7S III Street photography details
60
sensor size is good (Four Thirds)
supports RAW files
no articulating screen
does not have image stabilization
76
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW files
features focus by touch
environment proof
good high ISO (102,400)
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Sports Comparison

Olympus E-400 Sports photography information
Sony A7S III Sports photography information
38
sensor size is good (Four Thirds)
supports phase detect auto focus
does not have liveview
very slow continuous shooting (3.0 frames/s)
does not have image stabilization
sensor resolution low (10MP)
75
high shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
includes tracking focus
environment proof
good battery pack (600 per charge)
supports phase detect auto focus
low megapixels (12MP)
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Travel Comparison

Olympus E-400 Travel photography advice
Sony A7S III Travel photography advice
49
has built in flash
does not have Timelapse mode
sensor resolution low (10 megapixels)
does not feature selfie friendly display
70
good battery pack (600 shots)
environment proof
supports bluetooth
features focus by touch
display is selfie friendly
low megapixels (12 megapixels)
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Landscape Comparison

Olympus E-400 Landscape photography details
Sony A7S III Landscape photography details
44
manual focus
interchangeable lenses (Micro Four Thirds mount)
sensor size is good (Four Thirds)
supports RAW files
screen is somewhat small (2.5 inches)
does not have liveview
lack of manual exposure
does not have image stabilization
sensor resolution low (10MP)
does not have Timelapse mode
77
focusing manually
interchangeable lenses (Sony E mount)
screen size is good (3 inch)
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
good high ISO (102,400)
supports RAW files
environment proof
good battery pack (600 per charge)
has dual storage slots
low megapixels (12MP)
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Vlogging Comparison

Vlogging with Olympus E-400
Vlogging with Sony A7S III
9
can't shoot video
77
display is selfie friendly
touchscreen enabled
has image stabilization (Sensor based 5-axis)
includes face detect focus
high res video (3840 x 2160 resolution)
comes with microphone jack
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Olympus E-400 vs Sony A7S III Specifications

Detailed spec comparison table for Olympus E-400 and Sony A7S III
 Olympus E-400Sony Alpha A7S III
General Information
Make Olympus Sony
Model Olympus E-400 Sony Alpha A7S III
Type Entry-Level DSLR Pro Mirrorless
Revealed 2006-09-14 2020-07-21
Body design Compact SLR SLR-style mirrorless
Sensor Information
Processor - Bionz XR
Sensor type CCD BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.6 x 23.8mm
Sensor area 224.9mm² 847.3mm²
Sensor resolution 10MP 12MP
Anti aliasing filter
Aspect ratio 4:3 3:2 and 16:9
Max resolution 3648 x 2736 4240 x 2832
Max native ISO 1600 102400
Max enhanced ISO - 409600
Min native ISO 100 80
RAW data
Min enhanced ISO - 50
Autofocusing
Manual focus
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 3 759
Lens
Lens mount Micro Four Thirds Sony E
Available lenses 45 121
Focal length multiplier 2.1 1
Screen
Range of display Fixed Type Fully articulated
Display diagonal 2.5" 3"
Display resolution 215k dot 1,440k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentamirror) Electronic
Viewfinder resolution - 9,440k dot
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.46x 0.91x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/4000 secs 1/8000 secs
Continuous shutter speed 3.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set WB
Image stabilization
Built-in flash
Flash range 10.00 m (at ISO 100) no built-in flash
Flash modes Auto, Auto FP, Manual, Red-Eye no built-in flash
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution None 3840x2160
Video file format - MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone input
Headphone input
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
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 435 gr (0.96 pounds) 699 gr (1.54 pounds)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO Overall score not tested 85
DXO Color Depth score not tested 23.6
DXO Dynamic range score not tested 13.3
DXO Low light score not tested 2993
Other
Battery life - 600 images
Type of battery - Battery Pack
Battery model - NP-FZ100
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Type of storage Compact Flash (Type I or II), xD Picture Card Dual SD/CFexpress Type A slots
Storage slots 1 Dual
Retail price $599 $3,499