Olympus E-PL1s vs Sony A55
86 Imaging
46 Features
43 Overall
44
67 Imaging
54 Features
80 Overall
64
Olympus E-PL1s vs Sony A55 Key Specs
(Full Review)
- 12MP - Four Thirds Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1280 x 720 video
- Micro Four Thirds Mount
- 334g - 115 x 72 x 42mm
- Launched November 2010
- Previous Model is Olympus E-PL1
- Updated by Olympus E-PL2
(Full Review)
- 16MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 100 - 12800 (Raise to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Introduced August 2010
- Updated by Sony A57
Mastering Nature Photography with a Digital Microscope Camera Olympus E-PL1s vs Sony A55 Overview
Following is a comprehensive analysis of the Olympus E-PL1s vs Sony A55, former is a Entry-Level Mirrorless while the other is a Entry-Level DSLR by companies Olympus and Sony. There exists a large gap between the sensor resolutions of the E-PL1s (12MP) and A55 (16MP) and the E-PL1s (Four Thirds) and A55 (APS-C) boast different sensor measurements.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-PL1s was launched 3 months after the A55 and they are of a similar age. Both the cameras feature different body design with the Olympus E-PL1s being a Rangefinder-style mirrorless camera and the Sony A55 being a Compact SLR camera.
Before going straight to a complete comparison, here is a brief summary of how the E-PL1s matches up against the A55 for portability, imaging, features and an overall score.
Photobucket discusses licensing 13 billion images with AI firms Olympus E-PL1s vs Sony A55 Gallery
Following is a sample of the gallery pictures for Olympus PEN E-PL1s & Sony SLT-A55. The complete galleries are viewable at Olympus E-PL1s Gallery & Sony A55 Gallery.
Reasons to pick Olympus E-PL1s over the Sony A55
| E-PL1s | A55 |
|---|
Reasons to pick Sony A55 over the Olympus E-PL1s
| A55 | E-PL1s | |||
|---|---|---|---|---|
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Display size | 3" | 2.7" | Larger display (+0.3") | |
| Display resolution | 921k | 230k | Sharper display (+691k dot) | |
| Selfie screen | Take selfies |
Common features in the Olympus E-PL1s and Sony A55
| E-PL1s | A55 | |||
|---|---|---|---|---|
| Introduced | November 2010 | August 2010 | Similar age | |
| Focus manually | Very precise focusing | |||
| Touch friendly display | Neither features Touch friendly display |
Olympus E-PL1s vs Sony A55 Physical Comparison
For anyone who is looking to carry around your camera frequently, you should factor in its weight and proportions. The Olympus E-PL1s enjoys physical dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") and a weight of 334 grams (0.74 lbs) while the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).
Check out the Olympus E-PL1s vs Sony A55 in our brand new Camera & Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will vary dependant on the lens you choose at the time. Following is a front view dimensions comparison of the E-PL1s versus the A55.

Taking into consideration dimensions and weight, the portability rating of the E-PL1s and A55 is 86 and 67 respectively.
Olympus E-PL1s vs Sony A55 Sensor Comparison
Sometimes, it is hard to imagine the gap between sensor sizes only by checking a spec sheet. The picture here might provide you a clearer sense of the sensor sizes in the E-PL1s and A55.
Clearly, the two cameras feature different megapixel count and different sensor sizes. The E-PL1s due to its tinier sensor is going to make achieving shallow depth of field more challenging and the Sony A55 will give you greater detail utilizing its extra 4 Megapixels. Greater resolution can also make it easier to crop photos way more aggressively.
Olympus E-PL1s vs Sony A55 Screen and ViewFinder
Samsung Releases Faster Versions of EVO MicroSD Cards Photography Type Scores
Portrait Comparison
Pentax 17 Pre-Orders Outperform Expectations by a LandslideStreet Comparison
Photography GlossarySports Comparison
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneTravel Comparison
President Biden pushes bill mandating TikTok sale or banLandscape Comparison
Meta to Introduce 'AI-Generated' Labels for Media starting next monthVlogging Comparison
Snapchat Adds Watermarks to AI-Created Images
Olympus E-PL1s vs Sony A55 Specifications
| Olympus PEN E-PL1s | Sony SLT-A55 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Sony |
| Model | Olympus PEN E-PL1s | Sony SLT-A55 |
| Type | Entry-Level Mirrorless | Entry-Level DSLR |
| Launched | 2010-11-16 | 2010-08-24 |
| Body design | Rangefinder-style mirrorless | Compact SLR |
| Sensor Information | ||
| Processor Chip | Truepic V | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.3 x 13mm | 23.5 x 15.6mm |
| Sensor area | 224.9mm² | 366.6mm² |
| Sensor resolution | 12MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Highest resolution | 4032 x 3024 | 4912 x 3264 |
| Highest native ISO | 6400 | 12800 |
| Highest boosted ISO | - | 25600 |
| Minimum native ISO | 100 | 100 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 11 | 15 |
| Cross focus points | - | 3 |
| Lens | ||
| Lens mount | Micro Four Thirds | Sony/Minolta Alpha |
| Total lenses | 107 | 143 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fully Articulated |
| Screen diagonal | 2.7" | 3" |
| Resolution of screen | 230k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Screen technology | HyperCrystal LCD AR (Anti-Reflective) coating | - |
| Viewfinder Information | ||
| Viewfinder type | Electronic (optional) | Electronic |
| Viewfinder resolution | - | 1,150k dot |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.73x |
| Features | ||
| Slowest shutter speed | 60s | 30s |
| Maximum shutter speed | 1/2000s | 1/4000s |
| Continuous shooting speed | 3.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 10.00 m | 10.00 m (@ ISO 100) |
| Flash settings | Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Maximum flash sync | 1/160s | 1/160s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps) | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Highest video resolution | 1280x720 | 1920x1080 |
| Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
| 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 | BuiltIn |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 334 gr (0.74 lbs) | 500 gr (1.10 lbs) |
| Physical dimensions | 115 x 72 x 42mm (4.5" x 2.8" x 1.7") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
| DXO scores | ||
| DXO All around score | not tested | 73 |
| DXO Color Depth score | not tested | 23.0 |
| DXO Dynamic range score | not tested | 12.4 |
| DXO Low light score | not tested | 816 |
| Other | ||
| Battery life | 290 photos | 380 photos |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | BLS-1 | NP-FW50 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Price at launch | $599 | $800 |