Olympus E-3 vs Pentax X70
56 Imaging
43 Features
56 Overall
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71 Imaging
34 Features
34 Overall
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Olympus E-3 vs Pentax X70 Key Specs
(Full Review)
- 10MP - Four Thirds Sensor
- 2.5" Fully Articulated Display
- ISO 100 - 3200
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- No Video
- Micro Four Thirds Mount
- 890g - 142 x 116 x 75mm
- Launched February 2008
- Older Model is Olympus E-1
- Newer Model is Olympus E-5
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 50 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 26-624mm (F2.8-5.0) lens
- 410g - 110 x 83 x 90mm
- Revealed March 2009
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Below is a thorough review of the Olympus E-3 vs Pentax X70, one being a Advanced DSLR and the other is a Small Sensor Superzoom by companies Olympus and Pentax. The sensor resolution of the E-3 (10MP) and the X70 (12MP) is very similar but the E-3 (Four Thirds) and X70 (1/2.3") provide totally different sensor sizes.
Snapchat Adds Watermarks to AI-Created ImagesThe E-3 was unveiled 12 months earlier than the X70 which means that they are both of a similar generation. The two cameras feature different body design with the Olympus E-3 being a Mid-size SLR camera and the Pentax X70 being a SLR-like (bridge) camera.
Before we go right into a more detailed comparison, here is a brief introduction of how the E-3 grades versus the X70 in relation to portability, imaging, features and an overall grade.
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Here is a sample of the gallery pics for Olympus E-3 and Pentax X70. The full galleries are provided at Olympus E-3 Gallery and Pentax X70 Gallery.
Reasons to pick Olympus E-3 over the Pentax X70
| E-3 | X70 | |||
|---|---|---|---|---|
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Selfie screen | Take selfies |
Reasons to pick Pentax X70 over the Olympus E-3
| X70 | E-3 | |||
|---|---|---|---|---|
| Revealed | March 2009 | February 2008 | More recent by 12 months | |
| Display size | 2.7" | 2.5" | Larger display (+0.2") |
Common features in the Olympus E-3 and Pentax X70
| E-3 | X70 | |||
|---|---|---|---|---|
| Manual focus | Very accurate focus | |||
| Display resolution | 230k | 230k | Exact same display resolution | |
| Touch display | No Touch display |
Olympus E-3 vs Pentax X70 Physical Comparison
If you are planning to lug around your camera regularly, you're going to have to factor in its weight and dimensions. The Olympus E-3 comes with external measurements of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") accompanied by a weight of 890 grams (1.96 lbs) while the Pentax X70 has dimensions of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") accompanied by a weight of 410 grams (0.90 lbs).
Check the Olympus E-3 vs Pentax X70 in the all new Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have during that time. The following is a front view measurement comparison of the E-3 versus the X70.

Using dimensions and weight, the portability rating of the E-3 and X70 is 56 and 71 respectively.
Olympus E-3 vs Pentax X70 Sensor Comparison
Typically, its hard to see the difference between sensor measurements just by going over specifications. The graphic here should offer you a much better sense of the sensor measurements in the E-3 and X70.
To sum up, both cameras come with different megapixel count and different sensor measurements. The E-3 using its larger sensor will make getting shallow DOF simpler and the Pentax X70 will offer extra detail having an extra 2MP. Greater resolution can also allow you to crop pics a good deal more aggressively. The older E-3 is going to be behind in sensor tech.
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Olympus E-3 vs Pentax X70 Specifications
| Olympus E-3 | Pentax X70 | |
|---|---|---|
| General Information | ||
| Make | Olympus | Pentax |
| Model type | Olympus E-3 | Pentax X70 |
| Type | Advanced DSLR | Small Sensor Superzoom |
| Launched | 2008-02-20 | 2009-03-02 |
| Body design | Mid-size SLR | SLR-like (bridge) |
| Sensor Information | ||
| Processor | TruePic III | - |
| Sensor type | CMOS | CCD |
| Sensor size | Four Thirds | 1/2.3" |
| Sensor dimensions | 17.3 x 13mm | 6.17 x 4.55mm |
| Sensor area | 224.9mm² | 28.1mm² |
| Sensor resolution | 10 megapixels | 12 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Maximum resolution | 3648 x 2736 | 4000 x 3000 |
| Maximum native ISO | 3200 | 6400 |
| Lowest native ISO | 100 | 50 |
| RAW photos | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 11 | 9 |
| Lens | ||
| Lens support | Micro Four Thirds | fixed lens |
| Lens zoom range | - | 26-624mm (24.0x) |
| Max aperture | - | f/2.8-5.0 |
| Macro focusing distance | - | 10cm |
| Available lenses | 45 | - |
| Crop factor | 2.1 | 5.8 |
| Screen | ||
| Display type | Fully Articulated | Fixed Type |
| Display sizing | 2.5 inch | 2.7 inch |
| Display resolution | 230 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.58x | - |
| Features | ||
| Lowest shutter speed | 60s | 4s |
| Highest shutter speed | 1/8000s | 1/4000s |
| Continuous shooting speed | 5.0fps | - |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 13.00 m | 9.10 m |
| Flash settings | Auto, Auto FP, Manual, Red-Eye | - |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash sync | 1/250s | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | - | 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Maximum video resolution | None | 1280x720 |
| Video data format | - | Motion JPEG |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 890 gr (1.96 lb) | 410 gr (0.90 lb) |
| Physical dimensions | 142 x 116 x 75mm (5.6" x 4.6" x 3.0") | 110 x 83 x 90mm (4.3" x 3.3" x 3.5") |
| DXO scores | ||
| DXO All around rating | 56 | not tested |
| DXO Color Depth rating | 21.6 | not tested |
| DXO Dynamic range rating | 10.5 | not tested |
| DXO Low light rating | 571 | not tested |
| Other | ||
| Battery ID | - | D-LI92 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | Compact Flash (Type I or II), xD Picture Card | SD/SDHC, Internal |
| Storage slots | Single | Single |
| Retail price | $670 | $200 |