Pentax I-10 vs Sony A55
93 Imaging
35 Features
24 Overall
30
67 Imaging
56 Features
80 Overall
65
Pentax I-10 vs Sony A55 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.9) lens
- 153g - 101 x 65 x 28mm
- Launched January 2010
(Full Review)
- 16MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 12800 (Raise to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Released August 2010
- New Model is Sony A57
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Following is a in depth comparison of the Pentax I-10 vs Sony A55, one is a Small Sensor Compact and the latter is a Entry-Level DSLR by manufacturers Pentax and Sony. There is a crucial difference among the image resolutions of the I-10 (12MP) and A55 (16MP) and the I-10 (1/2.3") and A55 (APS-C) use totally different sensor sizing.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe I-10 was released 7 months before the A55 and they are of a similar generation. Both cameras come with different body type with the Pentax I-10 being a Compact camera and the Sony A55 being a Compact SLR camera.
Before getting in to a more detailed comparison, below is a brief overview of how the I-10 matches up versus the A55 with respect to portability, imaging, features and an overall score.
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Below is a preview of the gallery images for Pentax Optio I-10 and Sony SLT-A55. The complete galleries are available at Pentax I-10 Gallery and Sony A55 Gallery.
Reasons to pick Pentax I-10 over the Sony A55
| I-10 | A55 |
|---|
Reasons to pick Sony A55 over the Pentax I-10
| A55 | I-10 | |||
|---|---|---|---|---|
| Released | August 2010 |  | January 2010 | More modern by 7 months |
| Screen type | Fully Articulated |  | Fixed | Fully Articulating screen |
| Screen dimension | 3" |  | 2.7" | Bigger screen (+0.3") |
| Screen resolution | 921k |  | 230k | Clearer screen (+691k dot) |
| Selfie screen |  | Easy selfies |
Common features in the Pentax I-10 and Sony A55
| I-10 | A55 | |||
|---|---|---|---|---|
| Manual focus |  | More precise focusing | ||
| Touch screen |  | Lacking Touch screen |
Pentax I-10 vs Sony A55 Physical Comparison
For those who are looking to carry around your camera regularly, you'll need to factor in its weight and volume. The Pentax I-10 has got external measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") with a weight of 153 grams (0.34 lbs) whilst the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).
See the Pentax I-10 vs Sony A55 in the latest Camera and Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that time. Underneath is the front view size comparison of the I-10 vs the A55.
Taking into consideration size and weight, the portability rating of the I-10 and A55 is 93 and 67 respectively.
Pentax I-10 vs Sony A55 Sensor Comparison
Often, it is very tough to see the contrast in sensor sizes just by looking through specifications. The image here will help offer you a stronger sense of the sensor measurements in the I-10 and A55.
Plainly, the 2 cameras posses different megapixels and different sensor sizes. The I-10 due to its smaller sensor will make shooting shallow DOF more difficult and the Sony A55 will provide you with extra detail as a result of its extra 4MP. Higher resolution will enable you to crop pictures somewhat more aggressively. The more aged I-10 will be disadvantaged when it comes to sensor technology.
Pentax I-10 vs Sony A55 Screen and ViewFinder
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Pentax I-10 vs Sony A55 Specifications
| Pentax Optio I-10 | Sony SLT-A55 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Sony |
| Model type | Pentax Optio I-10 | Sony SLT-A55 |
| Category | Small Sensor Compact | Entry-Level DSLR |
| Launched | 2010-01-25 | 2010-08-24 |
| Physical type | Compact | Compact SLR |
| Sensor Information | ||
| Chip | Prime | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.5 x 15.6mm |
| Sensor area | 28.1mm² | 366.6mm² |
| Sensor resolution | 12 megapixel | 16 megapixel |
| Anti alias filter | ||
| Aspect ratio | 4:3 and 16:9 | 3:2 and 16:9 |
| Max resolution | 4000 x 3000 | 4912 x 3264 |
| Max native ISO | 6400 | 12800 |
| Max enhanced ISO | - | 25600 |
| Minimum native ISO | 80 | 100 |
| RAW photos | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 9 | 15 |
| Cross type focus points | - | 3 |
| Lens | ||
| Lens support | fixed lens | Sony/Minolta Alpha |
| Lens zoom range | 28-140mm (5.0x) | - |
| Highest aperture | f/3.5-5.9 | - |
| Macro focusing range | 10cm | - |
| Amount of lenses | - | 143 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Type of screen | Fixed Type | Fully Articulated |
| Screen sizing | 2.7 inches | 3 inches |
| Screen resolution | 230k dots | 921k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | None | Electronic |
| Viewfinder resolution | - | 1,150k dots |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.73x |
| Features | ||
| Minimum shutter speed | 4s | 30s |
| Fastest shutter speed | 1/2000s | 1/4000s |
| Continuous shutter rate | 1.0 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | - | Yes |
| Custom WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 4.00 m | 10.00 m (@ ISO 100) |
| Flash settings | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Fastest flash synchronize | - | 1/160s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Max video resolution | 1280x720 | 1920x1080 |
| Video data format | Motion JPEG | MPEG-4, AVCHD, H.264 |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 153 grams (0.34 pounds) | 500 grams (1.10 pounds) |
| Dimensions | 101 x 65 x 28mm (4.0" x 2.6" x 1.1") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
| DXO scores | ||
| DXO Overall rating | not tested | 73 |
| DXO Color Depth rating | not tested | 23.0 |
| DXO Dynamic range rating | not tested | 12.4 |
| DXO Low light rating | not tested | 816 |
| Other | ||
| Battery life | - | 380 pictures |
| Battery style | - | Battery Pack |
| Battery ID | D-LI92 | NP-FW50 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC, Internal | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | 1 | 1 |
| Launch price | $310 | $800 |