Pentax E85 vs Sony A550
95 Imaging
34 Features
10 Overall
24
63 Imaging
53 Features
65 Overall
57
Pentax E85 vs Sony A550 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 3200
- 640 x 480 video
- 32-96mm (F2.9-5.2) lens
- 145g - 93 x 58 x 24mm
- Introduced September 2009
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 12800
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 632g - 137 x 104 x 84mm
- Introduced December 2009
- Superseded the Sony A100
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Here is a complete comparison of the Pentax E85 and Sony A550, former being a Small Sensor Compact while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. The image resolution of the E85 (12MP) and the A550 (14MP) is very well matched but the E85 (1/2.3") and A550 (APS-C) come with different sensor sizes.
Photography GlossaryThe E85 was manufactured 2 months before the A550 which means that they are both of a similar age. Each of these cameras offer different body type with the Pentax E85 being a Compact camera and the Sony A550 being a Compact SLR camera.
Before delving straight into a in-depth comparison, below is a quick highlight of how the E85 scores against the A550 with regards to portability, imaging, features and an overall rating.
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This is a sample of the gallery pics for Pentax Optio E85 & Sony Alpha DSLR-A550. The entire galleries are available at Pentax E85 Gallery & Sony A550 Gallery.
Reasons to pick Pentax E85 over the Sony A550
| E85 | A550 |
|---|
Reasons to pick Sony A550 over the Pentax E85
| A550 | E85 | |||
|---|---|---|---|---|
| Focus manually | More accurate focusing | |||
| Display type | Tilting | Fixed | Tilting display | |
| Display sizing | 3" | 2.7" | Larger display (+0.3") | |
| Display resolution | 922k | 230k | Crisper display (+692k dot) |
Common features in the Pentax E85 and Sony A550
| E85 | A550 | |||
|---|---|---|---|---|
| Introduced | September 2009 | December 2009 | Similar age | |
| Selfie screen | No selfie screen | |||
| Touch friendly display | Neither contains Touch friendly display |
Pentax E85 vs Sony A550 Physical Comparison
For those who are looking to carry your camera, you need to factor its weight and volume. The Pentax E85 has got physical dimensions of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") having a weight of 145 grams (0.32 lbs) whilst the Sony A550 has sizing of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") accompanied by a weight of 632 grams (1.39 lbs).
Contrast the Pentax E85 and Sony A550 in our completely new Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will vary dependant on the lens you have chosen at that time. Below is the front view dimensions comparison of the E85 vs the A550.

Using dimensions and weight, the portability rating of the E85 and A550 is 95 and 63 respectively.
Pentax E85 vs Sony A550 Sensor Comparison
Quite often, it is hard to picture the contrast between sensor sizing merely by looking at specs. The graphic underneath might give you a greater sense of the sensor sizes in the E85 and A550.
All in all, each of these cameras offer different resolutions and different sensor sizing. The E85 due to its tinier sensor is going to make achieving shallower DOF trickier and the Sony A550 will resolve extra detail due to its extra 2 Megapixels. Greater resolution will make it easier to crop pics a little more aggressively.
Pentax E85 vs Sony A550 Screen and ViewFinder
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Pentax E85 vs Sony A550 Specifications
| Pentax Optio E85 | Sony Alpha DSLR-A550 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model | Pentax Optio E85 | Sony Alpha DSLR-A550 |
| Type | Small Sensor Compact | Entry-Level DSLR |
| Introduced | 2009-09-17 | 2009-12-09 |
| Physical type | Compact | Compact SLR |
| Sensor Information | ||
| Processor | - | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor measurements | 6.17 x 4.55mm | 23.4 x 15.6mm |
| Sensor area | 28.1mm² | 365.0mm² |
| Sensor resolution | 12 megapixels | 14 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 and 16:9 | 3:2 and 16:9 |
| Maximum resolution | 4000 x 3000 | 4592 x 3056 |
| Maximum native ISO | 3200 | 12800 |
| Minimum native ISO | 80 | 200 |
| RAW photos | ||
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | - | 9 |
| Lens | ||
| Lens mount | fixed lens | Sony/Minolta Alpha |
| Lens focal range | 32-96mm (3.0x) | - |
| Maximum aperture | f/2.9-5.2 | - |
| Macro focus distance | 10cm | - |
| Available lenses | - | 143 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Tilting |
| Screen diagonal | 2.7 inches | 3 inches |
| Resolution of screen | 230 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentamirror) |
| Viewfinder coverage | - | 95% |
| Viewfinder magnification | - | 0.53x |
| Features | ||
| Slowest shutter speed | 2 seconds | 30 seconds |
| Maximum shutter speed | 1/2000 seconds | 1/4000 seconds |
| Continuous shooting rate | 1.0 frames/s | 7.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | - | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 3.00 m | 12.00 m |
| Flash modes | - | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Maximum flash synchronize | - | 1/160 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 640 x 480 (30 fps), 320 x 240 (30 fps) | - |
| Maximum video resolution | 640x480 | None |
| Video format | Motion JPEG | - |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 145g (0.32 lb) | 632g (1.39 lb) |
| Dimensions | 93 x 58 x 24mm (3.7" x 2.3" x 0.9") | 137 x 104 x 84mm (5.4" x 4.1" x 3.3") |
| DXO scores | ||
| DXO All around score | not tested | 66 |
| DXO Color Depth score | not tested | 21.9 |
| DXO Dynamic range score | not tested | 11.8 |
| DXO Low light score | not tested | 807 |
| Other | ||
| Battery life | - | 480 images |
| Form of battery | - | Battery Pack |
| Battery model | D-LI95 | NP-FM500H |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC, Internal | SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Single | Single |
| Launch cost | $0 | $749 |