Olympus E-420 vs Sony A99
77 Imaging
44 Features
36 Overall
40
57 Imaging
68 Features
88 Overall
76
Olympus E-420 vs Sony A99 Key Specs
(Full Review)
- 10MP - Four Thirds Sensor
- 2.7" Fixed Screen
- ISO 100 - 1600
- No Video
- Micro Four Thirds Mount
- 426g - 130 x 91 x 53mm
- Introduced June 2008
- Succeeded the Olympus E-410
(Full Review)
- 24MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 100 - 25600
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 812g - 147 x 111 x 78mm
- Revealed December 2012
- Superseded the Sony A900
- Later Model is Sony A99 II
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Its time to look more in depth at the Olympus E-420 vs Sony A99, one is a Entry-Level DSLR and the other is a Advanced DSLR by brands Olympus and Sony. There exists a crucial gap among the sensor resolutions of the E-420 (10MP) and A99 (24MP) and the E-420 (Four Thirds) and A99 (Full frame) boast different sensor size.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-420 was released 5 years before the A99 which is a fairly serious gap as far as camera technology is concerned. Both of these cameras have different body design with the Olympus E-420 being a Compact SLR camera and the Sony A99 being a Mid-size SLR camera.
Before delving into a in-depth comparison, here is a concise summary of how the E-420 matches up against the A99 in terms of portability, imaging, features and an overall score.
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Following is a sample of the gallery pics for Olympus E-420 and Sony SLT-A99. The complete galleries are viewable at Olympus E-420 Gallery and Sony A99 Gallery.
Reasons to pick Olympus E-420 over the Sony A99
| E-420 | A99 |
|---|
Reasons to pick Sony A99 over the Olympus E-420
| A99 | E-420 | |||
|---|---|---|---|---|
| Revealed | December 2012 | June 2008 | More modern by 54 months | |
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Display dimensions | 3" | 2.7" | Larger display (+0.3") | |
| Display resolution | 1229k | 230k | Clearer display (+999k dot) | |
| Selfie screen | Take selfies |
Common features in the Olympus E-420 and Sony A99
| E-420 | A99 | |||
|---|---|---|---|---|
| Manually focus | Dial accurate focusing | |||
| Touch friendly display | Neither provides Touch friendly display |
Olympus E-420 vs Sony A99 Physical Comparison
For those who are planning to carry around your camera often, you're going to have to factor in its weight and proportions. The Olympus E-420 provides outer dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") along with a weight of 426 grams (0.94 lbs) and the Sony A99 has measurements of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") accompanied by a weight of 812 grams (1.79 lbs).
Examine the Olympus E-420 vs Sony A99 in the new Camera and Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at that time. Here is a front view physical size comparison of the E-420 and the A99.

Taking into consideration dimensions and weight, the portability grade of the E-420 and A99 is 77 and 57 respectively.
Olympus E-420 vs Sony A99 Sensor Comparison
Quite often, it can be difficult to picture the gap in sensor sizes only by checking out a spec sheet. The pic below might offer you a more clear sense of the sensor dimensions in the E-420 and A99.
Clearly, each of the cameras provide different megapixel count and different sensor sizes. The E-420 due to its smaller sensor is going to make getting shallow DOF more challenging and the Sony A99 will provide greater detail as a result of its extra 14MP. Greater resolution will also make it easier to crop images more aggressively. The more aged E-420 will be behind when it comes to sensor innovation.
Olympus E-420 vs Sony A99 Screen and ViewFinder
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Olympus E-420 vs Sony A99 Specifications
| Olympus E-420 | Sony SLT-A99 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Sony |
| Model type | Olympus E-420 | Sony SLT-A99 |
| Category | Entry-Level DSLR | Advanced DSLR |
| Introduced | 2008-06-23 | 2012-12-12 |
| Body design | Compact SLR | Mid-size SLR |
| Sensor Information | ||
| Processor | TruePic III | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor measurements | 17.3 x 13mm | 35.8 x 23.8mm |
| Sensor area | 224.9mm² | 852.0mm² |
| Sensor resolution | 10MP | 24MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 3:2 and 16:9 |
| Maximum resolution | 3648 x 2736 | 6000 x 4000 |
| Maximum native ISO | 1600 | 25600 |
| Minimum native ISO | 100 | 100 |
| RAW files | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 3 | 19 |
| Cross type focus points | - | 11 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony/Minolta Alpha |
| Available lenses | 45 | 143 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Range of screen | Fixed Type | Fully Articulated |
| Screen sizing | 2.7" | 3" |
| Screen resolution | 230k dot | 1,229k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Screen tech | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder | Optical (pentamirror) | Electronic |
| Viewfinder resolution | - | 2,359k dot |
| Viewfinder coverage | 95 percent | 100 percent |
| Viewfinder magnification | 0.46x | 0.71x |
| Features | ||
| Slowest shutter speed | 60 secs | 30 secs |
| Maximum shutter speed | 1/4000 secs | 1/8000 secs |
| Continuous shooting speed | 4.0 frames/s | 10.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 12.00 m (at ISO 100) | no built-in flash |
| Flash settings | Auto, Auto FP, Manual, Red-Eye | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Maximum flash sync | 1/180 secs | 1/250 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Maximum video resolution | None | 1920x1080 |
| Video file format | - | MPEG-4, AVCHD, H.264 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 426 grams (0.94 pounds) | 812 grams (1.79 pounds) |
| Physical dimensions | 130 x 91 x 53mm (5.1" x 3.6" x 2.1") | 147 x 111 x 78mm (5.8" x 4.4" x 3.1") |
| DXO scores | ||
| DXO All around rating | 56 | 89 |
| DXO Color Depth rating | 21.5 | 25.0 |
| DXO Dynamic range rating | 10.4 | 14.0 |
| DXO Low light rating | 527 | 1555 |
| Other | ||
| Battery life | 500 photos | 500 photos |
| Battery format | Battery Pack | Battery Pack |
| Battery ID | - | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage media | Compact Flash (Type I or II), xD Picture Card | Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC |
| Storage slots | One | Dual |
| Pricing at launch | $999 | $1,998 |