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Olympus E-M10 vs Sony A900

Portability
82
Imaging
53
Features
73
Overall
61
Olympus OM-D E-M10 front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
66
Features
62
Overall
64

Olympus E-M10 vs Sony A900 Key Specs

Olympus E-M10
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 396g - 119 x 82 x 46mm
  • Introduced March 2014
  • Refreshed by Olympus E-M10 II
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Launched October 2008
  • Newer Model is Sony A99
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Olympus E-M10 vs Sony A900 Overview

On this page, we are analyzing the Olympus E-M10 and Sony A900, former being a Entry-Level Mirrorless while the other is a Advanced DSLR by competitors Olympus and Sony. There exists a sizable gap among the resolutions of the E-M10 (16MP) and A900 (25MP) and the E-M10 (Four Thirds) and A900 (Full frame) posses different sensor size.

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The E-M10 was unveiled 5 years later than the A900 and that is a fairly significant difference as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before we go right into a full comparison, here is a simple highlight of how the E-M10 matches up against the A900 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 over the Sony A900

 E-M10 A900 
LaunchedMarch 2014October 2008Fresher by 66 months
Display typeTiltingFixed Tilting display
Display resolution1037k922kClearer display (+115k dot)
Touch friendly display Easily navigate

Reasons to pick Sony A900 over the Olympus E-M10

 A900 E-M10 

Common features in the Olympus E-M10 and Sony A900

 E-M10 A900 
Focus manually More exact focus
Display dimensions3"3"Equal display size
Selfie screen Neither includes selfie screen

Olympus E-M10 vs Sony A900 Physical Comparison

If you're aiming to carry your camera often, you will want to consider its weight and dimensions. The Olympus E-M10 features outside measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") with a weight of 396 grams (0.87 lbs) while the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Take a look at the Olympus E-M10 and Sony A900 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary dependant on the lens you have during that time. The following is a front view dimension comparison of the E-M10 vs the A900.

Olympus E-M10 vs Sony A900 size comparison

Factoring in dimensions and weight, the portability rating of the E-M10 and A900 is 82 and 54 respectively.

Olympus E-M10 vs Sony A900 top view buttons comparison

Olympus E-M10 vs Sony A900 Sensor Comparison

Typically, it is very tough to picture the gap in sensor sizing simply by seeing specs. The photograph here should offer you a far better sense of the sensor sizing in the E-M10 and A900.

All in all, both of these cameras have different megapixels and different sensor sizing. The E-M10 having a smaller sensor is going to make shooting shallow depth of field more challenging and the Sony A900 will produce greater detail having an extra 9MP. Greater resolution can also enable you to crop pics a bit more aggressively. The newer E-M10 provides a benefit in sensor innovation.

Olympus E-M10 vs Sony A900 sensor size comparison

Olympus E-M10 vs Sony A900 Screen and ViewFinder

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

Portrait Comparison

Portrait photography with Olympus E-M10
Portrait photography with Sony A900
71
has manual focus
decent sensor resolution (16MP)
sensor size is nice (Four Thirds)
features face detection autofocus
delivers RAW formats
71
has manual focus
MP count fantastic (25MP)
great sensor size (Full frame)
delivers RAW formats
no liveview
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Street Comparison

Street photography with Olympus E-M10
Street photography with Sony A900
77
has a tilting screen
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
delivers RAW formats
offers touch focus
very good high ISO (25,600)
heavier than others in class (396g)
66
built in image stabilization (Sensor based)
great sensor size (Full frame)
delivers RAW formats
weather sealing
screen is fixed
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Sports Comparison

Olympus E-M10 Sports photography info
Sony A900 Sports photography info
66
has image stabilization (Sensor based)
decent sensor resolution (16MP)
sensor size is nice (Four Thirds)
features tracking autofocus
lack of phase detect autofocus
70
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
MP count fantastic (25 megapixels)
great sensor size (Full frame)
weather sealing
has phase detect autofocus
no liveview
slow fps (5.0 frames/s)
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Travel Comparison

Olympus E-M10 Travel photography highlights
Sony A900 Travel photography highlights
67
offers touch focus
decent sensor resolution (16 megapixels)
flash built-in
heavier than others in class (396 grams)
does not feature selfie friendly screen
54
weather sealing
MP count fantastic (25 megapixels)
no Time Lapse recording
does not feature selfie friendly display
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Landscape Comparison

Olympus E-M10 as a Landscape photography camera
Sony A900 as a Landscape photography camera
79
has manual focus
change lenses (Micro Four Thirds mount)
nice screen size (3")
has image stabilization (Sensor based)
decent sensor resolution (16MP)
sensor size is nice (Four Thirds)
very good high ISO (25,600)
delivers RAW formats
72
has manual focus
switch lenses (Sony/Minolta Alpha mount)
pretty good screen size (3")
built in image stabilization (Sensor based)
MP count fantastic (25 megapixels)
great sensor size (Full frame)
delivers RAW formats
weather sealing
has dual storage slots
no liveview
no Time Lapse recording
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Vlogging Comparison

Olympus E-M10 Vlogging advice
Sony A900 Vlogging advice
33
touch screen
has image stabilization (Sensor based)
features face detection autofocus
high quality video (1920 x 1080 resolution)
does not feature selfie friendly screen
doesn't have external mic port
heavier than others in class (396 grams)
9
can't record video
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Olympus E-M10 vs Sony A900 Specifications

Detailed spec comparison table for Olympus E-M10 and Sony A900
 Olympus OM-D E-M10Sony Alpha DSLR-A900
General Information
Brand Olympus Sony
Model type Olympus OM-D E-M10 Sony Alpha DSLR-A900
Type Entry-Level Mirrorless Advanced DSLR
Introduced 2014-03-18 2008-10-22
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Chip TruePic VII Bionz
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.9 x 24mm
Sensor area 224.9mm² 861.6mm²
Sensor resolution 16MP 25MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 4608 x 3456 6048 x 4032
Maximum native ISO 25600 6400
Min native ISO 200 100
RAW data
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 81 9
Lens
Lens support Micro Four Thirds Sony/Minolta Alpha
Total lenses 107 143
Crop factor 2.1 1
Screen
Display type Tilting Fixed Type
Display diagonal 3 inch 3 inch
Resolution of display 1,037k dot 922k dot
Selfie friendly
Liveview
Touch screen
Display technology TFT LCD TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 1,440k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.58x 0.74x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/4000s 1/8000s
Continuous shutter speed 8.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 5.80 m (ISO100) no built-in flash
Flash options Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual(1/1(FULL)~1/64) Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
White balance bracketing
Fastest flash sync 1/250s 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) -
Maximum video resolution 1920x1080 None
Video format H.264, Motion JPEG -
Mic 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 Optional None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 396 grams (0.87 lbs) 895 grams (1.97 lbs)
Physical dimensions 119 x 82 x 46mm (4.7" x 3.2" x 1.8") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO Overall rating 72 79
DXO Color Depth rating 22.8 23.7
DXO Dynamic range rating 12.3 12.3
DXO Low light rating 884 1431
Other
Battery life 320 shots 880 shots
Battery format Battery Pack Battery Pack
Battery ID BLS-5 NP-FM500H
Self timer Yes (12 sec., 2 sec.,custom (Waiting time 1-30sec.,Shooting interval 0.5/1/2/3sec.,Number of shots 1-10)) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Storage slots One 2
Pricing at release $600 $2,736