Olympus E-M5 II vs Sony A100
80 Imaging
53 Features
84 Overall
65
64 Imaging
48 Features
38 Overall
44
Olympus E-M5 II vs Sony A100 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Micro Four Thirds Mount
- 469g - 124 x 85 x 45mm
- Introduced February 2015
- Succeeded the Olympus E-M5
- Refreshed by Olympus E-M5 III
(Full Review)
- 10MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 100 - 1600
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 638g - 133 x 95 x 71mm
- Announced July 2006
- Old Model is Konica Minolta 5D
- Refreshed by Sony A550
Samsung Releases Faster Versions of EVO MicroSD Cards Olympus E-M5 II vs Sony A100 Overview
Following is a complete comparison of the Olympus E-M5 II vs Sony A100, former is a Advanced Mirrorless while the other is a Entry-Level DSLR by competitors Olympus and Sony. There is a sizable difference between the sensor resolutions of the E-M5 II (16MP) and A100 (10MP) and the E-M5 II (Four Thirds) and A100 (APS-C) posses different sensor size.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe E-M5 II was introduced 8 years after the A100 which is quite a significant difference as far as tech is concerned. Both of these cameras have different body design with the Olympus E-M5 II being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.
Before going into a more detailed comparison, here is a short highlight of how the E-M5 II grades versus the A100 in relation to portability, imaging, features and an overall score.
Photography Glossary Olympus E-M5 II vs Sony A100 Gallery
The following is a sample of the gallery pics for Olympus OM-D E-M5 II & Sony Alpha DSLR-A100. The whole galleries are viewable at Olympus E-M5 II Gallery & Sony A100 Gallery.
Reasons to pick Olympus E-M5 II over the Sony A100
| E-M5 II | A100 | |||
|---|---|---|---|---|
| Announced | February 2015 | July 2006 | More modern by 104 months | |
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Display dimensions | 3" | 2.5" | Larger display (+0.5") | |
| Display resolution | 1037k | 230k | Sharper display (+807k dot) | |
| Selfie screen | Take selfies | |||
| Touch friendly display | Easily navigate |
Reasons to pick Sony A100 over the Olympus E-M5 II
| A100 | E-M5 II |
|---|
Common features in the Olympus E-M5 II and Sony A100
| E-M5 II | A100 | |||
|---|---|---|---|---|
| Manually focus | Dial precise focus |
Olympus E-M5 II vs Sony A100 Physical Comparison
In case you're looking to carry around your camera frequently, you have to think about its weight and size. The Olympus E-M5 II has exterior dimensions of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") and a weight of 469 grams (1.03 lbs) while the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") along with a weight of 638 grams (1.41 lbs).
Look at the Olympus E-M5 II vs Sony A100 in our brand new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will differ based on the lens you are working with during that time. Following is a front view dimension comparison of the E-M5 II and the A100.

Taking into consideration size and weight, the portability score of the E-M5 II and A100 is 80 and 64 respectively.
Olympus E-M5 II vs Sony A100 Sensor Comparison
In many cases, it is tough to picture the gap between sensor sizes purely by reading specs. The pic below will give you a more clear sense of the sensor dimensions in the E-M5 II and A100.
As you can plainly see, both of these cameras have different resolutions and different sensor sizes. The E-M5 II having a tinier sensor is going to make getting shallow depth of field more challenging and the Olympus E-M5 II will deliver extra detail using its extra 6 Megapixels. Greater resolution can also enable you to crop pics a bit more aggressively. The younger E-M5 II should have an advantage with regard to sensor tech.
Olympus E-M5 II vs Sony A100 Screen and ViewFinder
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone Photography Type Scores
Portrait Comparison
President Biden pushes bill mandating TikTok sale or banStreet Comparison
Photobucket discusses licensing 13 billion images with AI firmsSports Comparison
Meta to Introduce 'AI-Generated' Labels for Media starting next monthTravel Comparison
Snapchat Adds Watermarks to AI-Created ImagesLandscape Comparison
Sora from OpenAI releases its first ever music videoVlogging Comparison
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes
Olympus E-M5 II vs Sony A100 Specifications
| Olympus OM-D E-M5 II | Sony Alpha DSLR-A100 | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Sony |
| Model type | Olympus OM-D E-M5 II | Sony Alpha DSLR-A100 |
| Class | Advanced Mirrorless | Entry-Level DSLR |
| Introduced | 2015-02-06 | 2006-07-31 |
| Physical type | SLR-style mirrorless | Compact SLR |
| Sensor Information | ||
| Powered by | TruePic VII | - |
| Sensor type | MOS | CCD |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.3 x 13mm | 23.6 x 15.8mm |
| Sensor area | 224.9mm² | 372.9mm² |
| Sensor resolution | 16 megapixel | 10 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Highest resolution | 4608 x 3456 | 3872 x 2592 |
| Highest native ISO | 25600 | 1600 |
| Lowest native ISO | 200 | 100 |
| RAW format | ||
| Lowest boosted ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 81 | 9 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony/Minolta Alpha |
| Number of lenses | 107 | 143 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Display type | Fully Articulated | Fixed Type |
| Display sizing | 3 inches | 2.5 inches |
| Resolution of display | 1,037k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentamirror) |
| Viewfinder resolution | 2,360k dots | - |
| Viewfinder coverage | 100 percent | 95 percent |
| Viewfinder magnification | 0.74x | 0.55x |
| Features | ||
| Slowest shutter speed | 60s | 30s |
| Maximum shutter speed | 1/8000s | 1/4000s |
| Maximum quiet shutter speed | 1/16000s | - |
| Continuous shooting rate | 10.0 frames per second | 3.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | - |
| Flash modes | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Maximum flash synchronize | 1/250s | 1/160s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p), 640 x 480 (30p) | - |
| Highest video resolution | 1920x1080 | None |
| Video data format | MPEG-4, H.264, Motion JPEG | - |
| Mic support | ||
| Headphone support | ||
| 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 proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 469g (1.03 lbs) | 638g (1.41 lbs) |
| Physical dimensions | 124 x 85 x 45mm (4.9" x 3.3" x 1.8") | 133 x 95 x 71mm (5.2" x 3.7" x 2.8") |
| DXO scores | ||
| DXO All around rating | 73 | 61 |
| DXO Color Depth rating | 23.0 | 22.0 |
| DXO Dynamic range rating | 12.4 | 11.2 |
| DXO Low light rating | 896 | 476 |
| Other | ||
| Battery life | 310 shots | - |
| Battery style | Battery Pack | - |
| Battery ID | BLN-1 | NP-FM55H |
| Self timer | Yes (2 or 10 secs, custom) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC | Compact Flash (Type I or II) |
| Card slots | 1 | 1 |
| Cost at launch | $699 | $1,000 |