Olympus E-M10 III vs Sony A900
80 Imaging
55 Features
75 Overall
63


54 Imaging
66 Features
62 Overall
64
Olympus E-M10 III vs Sony A900 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 410g - 122 x 84 x 50mm
- Introduced August 2017
- Previous Model is Olympus E-M10 II
- Later Model is Olympus E-M10 IV
(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
- Revealed October 2008
- Later Model is Sony A99

Olympus E-M10 III vs Sony A900 Overview
Below, we will be evaluating the Olympus E-M10 III vs Sony A900, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by brands Olympus and Sony. There is a large difference among the image resolutions of the E-M10 III (16MP) and A900 (25MP) and the E-M10 III (Four Thirds) and A900 (Full frame) enjoy different sensor dimensions.

The E-M10 III was introduced 8 years after the A900 which is a fairly serious difference as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.
Before going in to a thorough comparison, below is a quick summary of how the E-M10 III grades vs the A900 with regard to portability, imaging, features and an overall mark.

Olympus E-M10 III vs Sony A900 Gallery
Following is a preview of the gallery images for Olympus OM-D E-M10 Mark III & Sony Alpha DSLR-A900. The whole galleries are viewable at Olympus E-M10 III Gallery & Sony A900 Gallery.
Reasons to pick Olympus E-M10 III over the Sony A900
E-M10 III | A900 | |||
---|---|---|---|---|
Revealed | August 2017 | ![]() | October 2008 | Newer by 108 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1040k | ![]() | 922k | Sharper screen (+118k dot) |
Touch screen | ![]() | Quickly navigate |
Reasons to pick Sony A900 over the Olympus E-M10 III
A900 | E-M10 III |
---|
Common features in the Olympus E-M10 III and Sony A900
E-M10 III | A900 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial precise focus | ||
Screen dimension | 3" | ![]() | 3" | Identical screen sizing |
Selfie screen | ![]() | Lacking selfie screen |
Olympus E-M10 III vs Sony A900 Physical Comparison
If you're looking to travel with your camera frequently, you will need to take into account its weight and proportions. The Olympus E-M10 III has got physical dimensions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs) while the Sony A900 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).
Take a look at the Olympus E-M10 III vs Sony A900 in our newest Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will differ depending on the lens you are utilizing at the time. Underneath is the front view proportions comparison of the E-M10 III vs the A900.

Taking into account size and weight, the portability score of the E-M10 III and A900 is 80 and 54 respectively.

Olympus E-M10 III vs Sony A900 Sensor Comparison
Often, it's hard to visualize the difference in sensor dimensions just by checking out technical specs. The picture underneath may offer you a more clear sense of the sensor dimensions in the E-M10 III and A900.
As you have seen, each of the cameras posses different megapixels and different sensor dimensions. The E-M10 III with its smaller sensor is going to make achieving bokeh trickier and the Sony A900 will show more detail using its extra 9MP. Higher resolution can also help you crop pictures somewhat more aggressively. The more modern E-M10 III should have a benefit with regard to sensor technology.

Olympus E-M10 III vs Sony A900 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M10 III vs Sony A900 Specifications
Olympus OM-D E-M10 Mark III | Sony Alpha DSLR-A900 | |
---|---|---|
General Information | ||
Company | Olympus | Sony |
Model | Olympus OM-D E-M10 Mark III | Sony Alpha DSLR-A900 |
Class | Entry-Level Mirrorless | Advanced DSLR |
Introduced | 2017-08-31 | 2008-10-22 |
Physical type | SLR-style mirrorless | Mid-size SLR |
Sensor Information | ||
Processor | TruePic VIII | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | Full frame |
Sensor dimensions | 17.4 x 13mm | 35.9 x 24mm |
Sensor area | 226.2mm² | 861.6mm² |
Sensor resolution | 16 megapixels | 25 megapixels |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 3:2 and 16:9 |
Highest Possible resolution | 4608 x 3456 | 6048 x 4032 |
Maximum native ISO | 25600 | 6400 |
Lowest native ISO | 200 | 100 |
RAW photos | ||
Lowest enhanced ISO | 100 | - |
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Continuous autofocus | ||
Autofocus single | ||
Autofocus tracking | ||
Selective autofocus | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | 121 | 9 |
Lens | ||
Lens mount | Micro Four Thirds | Sony/Minolta Alpha |
Available lenses | 107 | 143 |
Crop factor | 2.1 | 1 |
Screen | ||
Type of screen | Tilting | Fixed Type |
Screen size | 3 inches | 3 inches |
Screen resolution | 1,040 thousand dots | 922 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Screen technology | - | TFT Xtra Fine color LCD |
Viewfinder Information | ||
Viewfinder | Electronic | Optical (pentaprism) |
Viewfinder resolution | 2,360 thousand dots | - |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.62x | 0.74x |
Features | ||
Minimum shutter speed | 60s | 30s |
Fastest shutter speed | 1/4000s | 1/8000s |
Fastest silent shutter speed | 1/16000s | - |
Continuous shutter rate | 8.6fps | 5.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 5.80 m (at ISO 100) | no built-in flash |
Flash settings | Auto, redeye, slow sync, 2nd-curtain slow sync, redeye slow sync, fill-in, manual, off | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Fastest flash synchronize | 1/250s | 1/250s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM | - |
Maximum video resolution | 3840x2160 | None |
Video file format | MPEG-4, H.264 | - |
Mic port | ||
Headphone port | ||
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 sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 410 grams (0.90 pounds) | 895 grams (1.97 pounds) |
Dimensions | 122 x 84 x 50mm (4.8" x 3.3" x 2.0") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
DXO scores | ||
DXO Overall score | not tested | 79 |
DXO Color Depth score | not tested | 23.7 |
DXO Dynamic range score | not tested | 12.3 |
DXO Low light score | not tested | 1431 |
Other | ||
Battery life | 330 photographs | 880 photographs |
Style of battery | Battery Pack | Battery Pack |
Battery model | BLS-50 | NP-FM500H |
Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | SD/SDHC/SDXC (UHS-I/II supported) | Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 |
Card slots | One | 2 |
Launch price | $650 | $2,736 |