Olympus E-420 vs Sony NEX-3
77 Imaging
44 Features
36 Overall
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89 Imaging
54 Features
55 Overall
54
Olympus E-420 vs Sony NEX-3 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
- Released June 2008
- Succeeded the Olympus E-410
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Screen
- ISO 200 - 12800
- 1280 x 720 video
- Sony E Mount
- 297g - 117 x 62 x 33mm
- Revealed June 2010
- Newer Model is Sony NEX-C3

Olympus E-420 vs Sony NEX-3 Overview
Its time to look more closely at the Olympus E-420 versus Sony NEX-3, former is a Entry-Level DSLR while the latter is a Entry-Level Mirrorless by manufacturers Olympus and Sony. There exists a considerable gap between the sensor resolutions of the E-420 (10MP) and NEX-3 (14MP) and the E-420 (Four Thirds) and NEX-3 (APS-C) use totally different sensor sizes.

The E-420 was revealed 23 months earlier than the NEX-3 which makes the cameras a generation away from one another. Each of the cameras offer different body type with the Olympus E-420 being a Compact SLR camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.
Before we go straight into a in-depth comparison, below is a concise synopsis of how the E-420 matches up vs the NEX-3 with regard to portability, imaging, features and an overall score.

Olympus E-420 vs Sony NEX-3 Gallery
The following is a preview of the gallery images for Olympus E-420 & Sony Alpha NEX-3. The full galleries are available at Olympus E-420 Gallery & Sony NEX-3 Gallery.
Reasons to pick Olympus E-420 over the Sony NEX-3
E-420 | NEX-3 |
---|
Reasons to pick Sony NEX-3 over the Olympus E-420
NEX-3 | E-420 | |||
---|---|---|---|---|
Revealed | June 2010 | ![]() | June 2008 | More modern by 23 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen sizing | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 920k | ![]() | 230k | Clearer screen (+690k dot) |
Common features in the Olympus E-420 and Sony NEX-3
E-420 | NEX-3 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focus | ||
Selfie screen | ![]() | Neither provides selfie screen | ||
Touch friendly screen | ![]() | Neither provides Touch friendly screen |
Olympus E-420 vs Sony NEX-3 Physical Comparison
For anyone who is aiming to carry around your camera, you are going to need to consider its weight and proportions. The Olympus E-420 provides physical dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 426 grams (0.94 lbs) and the Sony NEX-3 has measurements of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") with a weight of 297 grams (0.65 lbs).
Check the Olympus E-420 versus Sony NEX-3 in our newest Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will change depending on the lens you have chosen at the time. Below is the front view proportions comparison of the E-420 versus the NEX-3.

Using dimensions and weight, the portability rating of the E-420 and NEX-3 is 77 and 89 respectively.

Olympus E-420 vs Sony NEX-3 Sensor Comparison
Normally, it is hard to visualise the gap between sensor sizes just by reviewing a spec sheet. The pic below might give you a far better sense of the sensor dimensions in the E-420 and NEX-3.
As you can see, both the cameras offer different megapixels and different sensor sizes. The E-420 using its tinier sensor will make shooting shallow DOF tougher and the Sony NEX-3 will offer you greater detail because of its extra 4 Megapixels. Higher resolution will allow you to crop photographs a little more aggressively. The more aged E-420 is going to be behind with regard to sensor tech.

Olympus E-420 vs Sony NEX-3 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-420 vs Sony NEX-3 Specifications
Olympus E-420 | Sony Alpha NEX-3 | |
---|---|---|
General Information | ||
Brand Name | Olympus | Sony |
Model type | Olympus E-420 | Sony Alpha NEX-3 |
Category | Entry-Level DSLR | Entry-Level Mirrorless |
Released | 2008-06-23 | 2010-06-07 |
Body design | Compact SLR | Rangefinder-style mirrorless |
Sensor Information | ||
Processor | TruePic III | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor dimensions | 17.3 x 13mm | 23.4 x 15.6mm |
Sensor area | 224.9mm² | 365.0mm² |
Sensor resolution | 10MP | 14MP |
Anti alias filter | ||
Aspect ratio | 4:3 | 3:2 and 16:9 |
Highest resolution | 3648 x 2736 | 4592 x 3056 |
Highest native ISO | 1600 | 12800 |
Minimum native ISO | 100 | 200 |
RAW images | ||
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Total focus points | 3 | 25 |
Lens | ||
Lens support | Micro Four Thirds | Sony E |
Available lenses | 45 | 121 |
Focal length multiplier | 2.1 | 1.5 |
Screen | ||
Range of screen | Fixed Type | Tilting |
Screen sizing | 2.7 inch | 3 inch |
Resolution of screen | 230 thousand dot | 920 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Screen technology | - | TFT Xtra Fine LCD |
Viewfinder Information | ||
Viewfinder type | Optical (pentamirror) | None |
Viewfinder coverage | 95% | - |
Viewfinder magnification | 0.46x | - |
Features | ||
Slowest shutter speed | 60s | 30s |
Maximum shutter speed | 1/4000s | 1/4000s |
Continuous shooting speed | 4.0 frames/s | 7.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Custom white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | 12.00 m (at ISO 100) | 12.00 m |
Flash options | Auto, Auto FP, Manual, Red-Eye | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash sync | 1/180s | 1/160s |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | - | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
Highest video resolution | None | 1280x720 |
Video data format | - | MPEG-4 |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 426 gr (0.94 lb) | 297 gr (0.65 lb) |
Dimensions | 130 x 91 x 53mm (5.1" x 3.6" x 2.1") | 117 x 62 x 33mm (4.6" x 2.4" x 1.3") |
DXO scores | ||
DXO All around rating | 56 | 68 |
DXO Color Depth rating | 21.5 | 22.1 |
DXO Dynamic range rating | 10.4 | 12.0 |
DXO Low light rating | 527 | 830 |
Other | ||
Battery life | 500 shots | 330 shots |
Battery form | Battery Pack | Battery Pack |
Battery ID | - | NPFW50 |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec, 10sec (3 images)) |
Time lapse feature | ||
Storage media | Compact Flash (Type I or II), xD Picture Card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | One | One |
Launch cost | $999 | $0 |