Pentax K-7 vs Sony A77 II
Portability
60 Imaging
54 Features
69 Overall
60
60 Imaging
54 Features
69 Overall
60
Portability
62 Imaging
65 Features
85 Overall
73
62 Imaging
65 Features
85 Overall
73
Pentax K-7 vs Sony A77 II Key Specs
Pentax K-7
(Full Review)
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 2000 (Expand to 6400)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Launched October 2009
- Later Model is Pentax K-5
Sony A77 II
(Full Review)
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 25600
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 647g - 143 x 104 x 81mm
- Revealed May 2014
- Older Model is Sony A77
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On this page, we are looking at the Pentax K-7 versus Sony A77 II, both Advanced DSLR cameras by rivals Pentax and Sony. There exists a large gap among the sensor resolutions of the K-7 (15MP) and A77 II (24MP) but both cameras offer the same sensor dimensions (APS-C).
President Biden pushes bill mandating TikTok sale or banThe K-7 was introduced 5 years earlier than the A77 II and that is a fairly serious difference as far as camera technology is concerned. The two cameras have the same body design (Mid-size SLR).
Before diving right into a step-by-step comparison, here is a short highlight of how the K-7 matches up versus the A77 II for portability, imaging, features and an overall rating.
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This is a sample of the gallery pics for Pentax K-7 & Sony SLT-A77 II. The whole galleries are provided at Pentax K-7 Gallery & Sony A77 II Gallery.
Reasons to pick Pentax K-7 over the Sony A77 II
| K-7 | A77 II |
|---|
Reasons to pick Sony A77 II over the Pentax K-7
| A77 II | K-7 | |||
|---|---|---|---|---|
| Revealed | May 2014 |  | October 2009 | Fresher by 56 months |
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Display resolution | 1229k |  | 921k | Clearer display (+308k dot) |
| Selfie screen |  | Take selfies |
Common features in the Pentax K-7 and Sony A77 II
| K-7 | A77 II | |||
|---|---|---|---|---|
| Manual focus |  | Very accurate focus | ||
| Display dimensions | 3" |  | 3" | Equal display sizing |
| Touch display |  | Missing Touch display |
Pentax K-7 vs Sony A77 II Physical Comparison
If you are looking to carry your camera often, you will want to consider its weight and proportions. The Pentax K-7 features outer measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs) and the Sony A77 II has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 647 grams (1.43 lbs).
Contrast the Pentax K-7 versus Sony A77 II in our completely new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will differ dependant on the lens you have at that moment. Here is a front view dimensions comparison of the K-7 and the A77 II.
Using dimensions and weight, the portability grade of the K-7 and A77 II is 60 and 62 respectively.
Pentax K-7 vs Sony A77 II Sensor Comparison
Normally, it can be tough to imagine the gap in sensor sizing simply by looking through technical specs. The graphic underneath should provide you a much better sense of the sensor measurements in the K-7 and A77 II.
As you have seen, each of the cameras provide the same sensor dimensions but different resolution. You can expect to see the Sony A77 II to provide you with greater detail using its extra 9MP. Greater resolution will help you crop pics more aggressively. The older K-7 will be behind in sensor innovation.
Pentax K-7 vs Sony A77 II Screen and ViewFinder
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Portrait Comparison
Pentax K-7 as a Portrait photography camera
Sony A77 II as a Portrait photography camera
has manual focus
resolution is good (15MP)
sensor size is nice (APS-C)
comes with face detection focus
delivers RAW files
you can focus manually
decent megapixels (24 megapixels)
good sensor size (APS-C)
has face detect focusing
supports RAW formats
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Pentax K-7 as a Street photography camera
Sony A77 II as a Street photography camera
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
environment proof
no articulating screen
fully articulated screen
image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
environment proofing
above average high ISO (25,600)
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Pentax K-7 Sports photography advice
Sony A77 II Sports photography advice
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based)
resolution is good (15 megapixels)
sensor size is nice (APS-C)
environment proof
sensor has phase detect auto focus
slow frames per second (5.0 fps)
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based)
decent megapixels (24MP)
good sensor size (APS-C)
has tracking focus
environment proofing
sensor has phase detect AF
not so great battery pack (480 shots)
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Pentax K-7 Travel photography information
Sony A77 II Travel photography information
environment proof
resolution is good (15 megapixels)
has built in flash
display isn't selfie friendly
environment proofing
decent megapixels (24 megapixels)
built-in flash
selfie friendly screen
no Timelapse recording
not so great battery pack (480 shots)
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Pentax K-7 as a Landscape photography camera
Sony A77 II as a Landscape photography camera
has manual focus
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3 inches)
built in image stabilization (Sensor based)
resolution is good (15MP)
sensor size is nice (APS-C)
delivers RAW files
environment proof
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inch)
image stabilization (Sensor based)
decent megapixels (24MP)
good sensor size (APS-C)
above average high ISO (25,600)
supports RAW formats
environment proofing
not so great battery pack (480 per charge)
no Timelapse recording
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Pentax K-7 Vlogging information
Sony A77 II Vlogging information
built in image stabilization (Sensor based)
comes with face detection focus
display isn't selfie friendly
low video resolution (1280 x 720 resolution)
no external microphone jack
selfie friendly screen
image stabilization (Sensor based)
has face detect focusing
video resolution high (1920 x 1080 resolution)
includes microphone socket
Photography Glossary
Pentax K-7 vs Sony A77 II Specifications
| Pentax K-7 | Sony SLT-A77 II | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model type | Pentax K-7 | Sony SLT-A77 II |
| Category | Advanced DSLR | Advanced DSLR |
| Launched | 2009-10-02 | 2014-05-21 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | Prime II | Bionz X |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.4 x 15.6mm | 23.5 x 15.6mm |
| Sensor surface area | 365.0mm² | 366.6mm² |
| Sensor resolution | 15MP | 24MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Peak resolution | 4672 x 3104 | 6000 x 4000 |
| Highest native ISO | 2000 | 25600 |
| Highest enhanced ISO | 6400 | - |
| Minimum native ISO | 100 | 50 |
| RAW files | ||
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | 11 | 79 |
| Cross type focus points | - | 15 |
| Lens | ||
| Lens support | Pentax KAF2 | Sony/Minolta Alpha |
| Total lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fully Articulated |
| Screen diagonal | 3 inches | 3 inches |
| Screen resolution | 921k dots | 1,229k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Screen tech | TFT color LCD with AR coating | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,359k dots |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.61x | 0.73x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/8000 secs | 1/8000 secs |
| Continuous shutter rate | 5.0fps | 12.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 13.00 m | 12.00 m (at ISO 100) |
| Flash options | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless | Auto, fill, rear sync, slow sync |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash synchronize | 1/180 secs | 1/250 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Highest video resolution | 1280x720 | 1920x1080 |
| Video data format | Motion JPEG | MPEG-4, AVCHD, XAVC S |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 750g (1.65 lb) | 647g (1.43 lb) |
| Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO Overall rating | 61 | 82 |
| DXO Color Depth rating | 22.6 | 24.4 |
| DXO Dynamic range rating | 10.6 | 13.4 |
| DXO Low light rating | 536 | 1013 |
| Other | ||
| Battery life | 980 images | 480 images |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NP-FM500H |
| Self timer | Yes (2 or 10 sec) | Yes (Yes (2 or 12 sec)) |
| Time lapse recording | ||
| Storage type | SD/SDHC/MMC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Single | Single |
| Launch pricing | $599 | $1,198 |