Pentax K10D vs Sony A77
59 Imaging
48 Features
43 Overall
46
59 Imaging
63 Features
83 Overall
71
Pentax K10D vs Sony A77 Key Specs
(Full Review)
- 10MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 100 - 1600
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 793g - 142 x 101 x 70mm
- Introduced December 2006
- Replacement is Pentax K20D
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 16000 (Expand to 25600)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Introduced October 2011
- Older Model is Sony A700
- Updated by Sony A77 II
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On this page, we are comparing the Pentax K10D vs Sony A77, both Advanced DSLR cameras by brands Pentax and Sony. There exists a sizeable gap among the sensor resolutions of the K10D (10MP) and A77 (24MP) but both cameras offer the same sensor sizes (APS-C).
Samsung Releases Faster Versions of EVO MicroSD CardsThe K10D was released 5 years before the A77 and that is a fairly large gap as far as camera technology is concerned. The two cameras have the same body design (Mid-size SLR).
Before going straight to a full comparison, here is a quick view of how the K10D matches up vs the A77 in terms of portability, imaging, features and an overall rating.
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Below is a sample of the gallery pics for Pentax K10D and Sony SLT-A77. The complete galleries are available at Pentax K10D Gallery and Sony A77 Gallery.
Reasons to pick Pentax K10D over the Sony A77
| K10D | A77 |
|---|
Reasons to pick Sony A77 over the Pentax K10D
| A77 | K10D | |||
|---|---|---|---|---|
| Introduced | October 2011 |  | December 2006 | Fresher by 59 months |
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Display dimensions | 3" |  | 2.5" | Larger display (+0.5") |
| Display resolution | 921k |  | 210k | Clearer display (+711k dot) |
| Selfie screen |  | Take selfies |
Common features in the Pentax K10D and Sony A77
| K10D | A77 | |||
|---|---|---|---|---|
| Manual focus |  | More exact focusing | ||
| Touch display |  | Neither includes Touch display |
Pentax K10D vs Sony A77 Physical Comparison
If you're aiming to carry your camera regularly, you are going to need to factor its weight and dimensions. The Pentax K10D features outside dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 793 grams (1.75 lbs) whilst the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).
Compare the Pentax K10D vs Sony A77 in the latest Camera with Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing during that time. The following is a front view over all size comparison of the K10D versus the A77.
Looking at dimensions and weight, the portability score of the K10D and A77 is 59 and 59 respectively.
Pentax K10D vs Sony A77 Sensor Comparison
Normally, it is tough to envision the gap in sensor sizing just by viewing technical specs. The graphic below might give you a more clear sense of the sensor sizes in the K10D and A77.
As you can tell, each of the cameras provide the same sensor dimensions but not the same megapixels. You should expect to see the Sony A77 to result in more detail as a result of its extra 14 Megapixels. Greater resolution will also make it easier to crop pics more aggressively. The older K10D will be behind in sensor tech.
Pentax K10D vs Sony A77 Screen and ViewFinder
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Pentax K10D vs Sony A77 Specifications
| Pentax K10D | Sony SLT-A77 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model | Pentax K10D | Sony SLT-A77 |
| Class | Advanced DSLR | Advanced DSLR |
| Introduced | 2006-12-15 | 2011-10-25 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Chip | - | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.7mm | 23.5 x 15.6mm |
| Sensor area | 369.0mm² | 366.6mm² |
| Sensor resolution | 10 megapixels | 24 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Maximum resolution | 3872 x 2592 | 6000 x 4000 |
| Maximum native ISO | 1600 | 16000 |
| Maximum boosted ISO | - | 25600 |
| Lowest native ISO | 100 | 50 |
| RAW photos | ||
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 11 | 19 |
| Cross focus points | - | 11 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
| Amount of lenses | 151 | 143 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fully Articulated |
| Display sizing | 2.5 inch | 3 inch |
| Display resolution | 210 thousand dot | 921 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,359 thousand dot |
| Viewfinder coverage | 95% | 100% |
| Viewfinder magnification | 0.64x | 0.73x |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/4000s | 1/8000s |
| Continuous shooting speed | 3.0 frames/s | 12.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | - | 12.00 m |
| Flash options | Auto, On, Off, Red-eye, Auto Red Eye | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Maximum flash sync | 1/180s | 1/250s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | - | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Maximum video resolution | None | 1920x1080 |
| Video data format | - | MPEG-4, AVCHD, H.264 |
| Microphone input | ||
| Headphone input | ||
| 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 | 793 grams (1.75 lbs) | 732 grams (1.61 lbs) |
| Physical dimensions | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO All around score | 66 | 78 |
| DXO Color Depth score | 22.7 | 24.0 |
| DXO Dynamic range score | 11.6 | 13.2 |
| DXO Low light score | 522 | 801 |
| Other | ||
| Battery life | - | 470 images |
| Type of battery | - | Battery Pack |
| Battery model | - | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/MMC/SDHC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | One | One |
| Retail pricing | $700 | $900 |