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Olympus E-M10 IV vs Sony A900

Portability
81
Imaging
63
Features
83
Overall
71
Olympus OM-D E-M10 IV front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
67
Features
62
Overall
65

Olympus E-M10 IV vs Sony A900 Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Announced August 2020
  • Earlier Model is Olympus E-M10 III
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Introduced October 2008
  • Renewed by Sony A99
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Olympus E-M10 IV vs Sony A900 Overview

Its time to look a bit more in depth at the Olympus E-M10 IV versus Sony A900, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by manufacturers Olympus and Sony. The resolution of the E-M10 IV (20MP) and the A900 (25MP) is relatively comparable but the E-M10 IV (Four Thirds) and A900 (Full frame) posses different sensor sizes.

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The E-M10 IV was revealed 11 years later than the A900 and that is a fairly sizable difference as far as camera technology is concerned. Each of these cameras have different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before delving into a detailed comparison, here is a concise introduction of how the E-M10 IV matches up vs the A900 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 IV over the Sony A900

 E-M10 IV A900 
IntroducedAugust 2020October 2008Fresher by 144 months
Screen typeTiltingFixed Tilting screen
Screen resolution1040k922kSharper screen (+118k dot)
Selfie screen Take selfies
Touch friendly screen Quickly navigate

Reasons to pick Sony A900 over the Olympus E-M10 IV

 A900 E-M10 IV 

Common features in the Olympus E-M10 IV and Sony A900

 E-M10 IV A900 
Manual focus Very accurate focus
Screen dimensions3"3"Equal screen dimensions

Olympus E-M10 IV vs Sony A900 Physical Comparison

If you are intending to carry your camera, you will have to take into account its weight and volume. The Olympus E-M10 IV offers external measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) while the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

Analyze the Olympus E-M10 IV versus Sony A900 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary depending on the lens you have chosen during that time. Following is a front view measurements comparison of the E-M10 IV compared to the A900.

Olympus E-M10 IV vs Sony A900 size comparison

Taking into account dimensions and weight, the portability grade of the E-M10 IV and A900 is 81 and 54 respectively.

Olympus E-M10 IV vs Sony A900 top view buttons comparison

Olympus E-M10 IV vs Sony A900 Sensor Comparison

More often than not, it is very tough to picture the contrast in sensor sizing merely by checking out specs. The visual below might offer you a far better sense of the sensor measurements in the E-M10 IV and A900.

All in all, the two cameras provide different resolutions and different sensor sizing. The E-M10 IV having a smaller sensor is going to make shooting bokeh trickier and the Sony A900 will show greater detail because of its extra 5MP. Higher resolution will make it easier to crop photographs more aggressively. The fresher E-M10 IV provides an advantage in sensor technology.

Olympus E-M10 IV vs Sony A900 sensor size comparison

Olympus E-M10 IV vs Sony A900 Screen and ViewFinder

Olympus E-M10 IV vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography factors
Sony A900 Portrait photography factors
77
focusing manually
good megapixels (20MP)
good sensor size (Four Thirds)
offers face detect focus
saves RAW formats
72
focusing manually
resolution is high (25MP)
large sensor size (Full frame)
supports RAW formats
no liveview
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Street Comparison

Olympus E-M10 IV Street photography factors
Sony A900 Street photography factors
84
screen tilts
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
saves RAW formats
has focus via touch
good ISO range (25,600)
66
has image stabilization (Sensor based)
large sensor size (Full frame)
supports RAW formats
weather sealing
screen is fixed
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Sports Comparison

Olympus E-M10 IV Sports photography information
Sony A900 Sports photography information
73
quiet shutter (1/16,000 seconds)
has image stabilization (Sensor based 5-axis)
good megapixels (20MP)
good sensor size (Four Thirds)
offers tracking focus
lack of phase detect auto focus
71
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
resolution is high (25MP)
large sensor size (Full frame)
weather sealing
supports phase detect autofocus
no liveview
painfully slow continuous shooting (5.0 fps)
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Travel Comparison

Travel photography with Olympus E-M10 IV
Travel photography with Sony A900
85
supports bluetooth
has focus via touch
good megapixels (20MP)
built-in flash
selfie friendly screen
55
weather sealing
resolution is high (25 megapixels)
doesn't have Timelapse recording
display is not selfie friendly
Photography Glossary

Landscape Comparison

Olympus E-M10 IV Landscape photography advice
Sony A900 Landscape photography advice
83
focusing manually
switch lenses (Micro Four Thirds mount)
screen is a good size (3")
has image stabilization (Sensor based 5-axis)
good megapixels (20MP)
good sensor size (Four Thirds)
good ISO range (25,600)
saves RAW formats
73
focusing manually
interchangeable lenses (Sony/Minolta Alpha mount)
pretty good screen size (3")
has image stabilization (Sensor based)
resolution is high (25MP)
large sensor size (Full frame)
supports RAW formats
weather sealing
has dual storage slots
no liveview
doesn't have Timelapse recording
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Vlogging Comparison

Olympus E-M10 IV as a Vlogging camera
Sony A900 as a Vlogging camera
78
selfie friendly screen
touchscreen capability
has image stabilization (Sensor based 5-axis)
offers face detect focus
video res high (3840 x 2160 pxls)
missing microphone jack
9
no video recording
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Olympus E-M10 IV vs Sony A900 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Sony A900
 Olympus OM-D E-M10 IVSony Alpha DSLR-A900
General Information
Manufacturer Olympus Sony
Model type Olympus OM-D E-M10 IV Sony Alpha DSLR-A900
Category Entry-Level Mirrorless Advanced DSLR
Announced 2020-08-04 2008-10-22
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Chip TruePic VIII Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.4 x 13mm 35.9 x 24mm
Sensor area 226.2mm² 861.6mm²
Sensor resolution 20 megapixel 25 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 5184 x 3888 6048 x 4032
Maximum native ISO 25600 6400
Min native ISO 200 100
RAW pictures
Min enhanced ISO 100 -
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 121 9
Lens
Lens mount type Micro Four Thirds Sony/Minolta Alpha
Amount of lenses 107 143
Crop factor 2.1 1
Screen
Range of display Tilting Fixed Type
Display size 3" 3"
Resolution of display 1,040 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch friendly
Display tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360 thousand dot -
Viewfinder coverage 100% 100%
Viewfinder magnification 0.62x 0.74x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/4000 secs 1/8000 secs
Max quiet shutter speed 1/16000 secs -
Continuous shutter speed 8.7 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance 7.20 m (at ISO 200) no built-in flash
Flash modes Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Max flash sync 1/250 secs 1/250 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video data format MPEG-4, H.264 -
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 383g (0.84 pounds) 895g (1.97 pounds)
Physical dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO Overall rating not tested 79
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 12.3
DXO Low light rating not tested 1431
Other
Battery life 360 photographs 880 photographs
Battery format Battery Pack Battery Pack
Battery ID BLS-50 NP-FM500H
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC (UHS-II supported) Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Storage slots One Two
Retail price $699 $2,736