Pentax K-r vs Sony A77 II
67 Imaging
52 Features
52 Overall
52


62 Imaging
65 Features
85 Overall
73
Pentax K-r vs Sony A77 II Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Display
- ISO 200 - 12800 (Expand to 25600)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 598g - 125 x 97 x 68mm
- Announced March 2011
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 50 - 25600
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 647g - 143 x 104 x 81mm
- Launched May 2014
- Older Model is Sony A77

Pentax K-r vs Sony A77 II Overview
Below, we will be looking at the Pentax K-r versus Sony A77 II, one being a Entry-Level DSLR and the latter is a Advanced DSLR by brands Pentax and Sony. There exists a huge gap between the image resolutions of the K-r (12MP) and A77 II (24MP) but they enjoy the exact same sensor sizes (APS-C).

The K-r was revealed 4 years earlier than the A77 II and that is quite a significant gap as far as technology is concerned. Each of these cameras come with different body type with the Pentax K-r being a Compact SLR camera and the Sony A77 II being a Mid-size SLR camera.
Before we go straight into a more detailed comparison, below is a concise summary of how the K-r scores vs the A77 II in relation to portability, imaging, features and an overall rating.

Pentax K-r vs Sony A77 II Gallery
This is a preview of the gallery photos for Pentax K-r and Sony SLT-A77 II. The full galleries are viewable at Pentax K-r Gallery and Sony A77 II Gallery.
Reasons to pick Pentax K-r over the Sony A77 II
K-r | A77 II |
---|
Reasons to pick Sony A77 II over the Pentax K-r
A77 II | K-r | |||
---|---|---|---|---|
Launched | May 2014 | ![]() | March 2011 | Fresher by 38 months |
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen resolution | 1229k | ![]() | 921k | Crisper screen (+308k dot) |
Selfie screen | ![]() | Easy selfies |
Common features in the Pentax K-r and Sony A77 II
K-r | A77 II | |||
---|---|---|---|---|
Focus manually | ![]() | Dial precise focus | ||
Screen dimension | 3" | ![]() | 3" | Identical screen dimensions |
Touch friendly screen | ![]() | Neither provides Touch friendly screen |
Pentax K-r vs Sony A77 II Physical Comparison
When you are aiming to carry your camera regularly, you need to think about its weight and dimensions. The Pentax K-r provides external measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs) while the Sony A77 II has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 647 grams (1.43 lbs).
Check out the Pentax K-r versus Sony A77 II in the all new Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at that time. The following is the front view proportions comparison of the K-r compared to the A77 II.

Factoring in dimensions and weight, the portability grade of the K-r and A77 II is 67 and 62 respectively.

Pentax K-r vs Sony A77 II Sensor Comparison
Quite often, it is tough to see the gap between sensor sizing only by reviewing specs. The visual here might provide you a greater sense of the sensor sizing in the K-r and A77 II.
As you can plainly see, the 2 cameras posses the exact same sensor measurements albeit not the same MP. You should count on the Sony A77 II to offer extra detail because of its extra 12MP. Higher resolution will help you crop shots somewhat more aggressively. The older K-r is going to be disadvantaged when it comes to sensor tech.

Pentax K-r vs Sony A77 II Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-r vs Sony A77 II Specifications
Pentax K-r | Sony SLT-A77 II | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model type | Pentax K-r | Sony SLT-A77 II |
Category | Entry-Level DSLR | Advanced DSLR |
Announced | 2011-03-11 | 2014-05-21 |
Body design | Compact SLR | Mid-size SLR |
Sensor Information | ||
Processor Chip | Prime II | Bionz X |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 23.6 x 15.8mm | 23.5 x 15.6mm |
Sensor surface area | 372.9mm² | 366.6mm² |
Sensor resolution | 12 megapixel | 24 megapixel |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Max resolution | 4288 x 2848 | 6000 x 4000 |
Max native ISO | 12800 | 25600 |
Max enhanced ISO | 25600 | - |
Minimum native ISO | 200 | 50 |
RAW format | ||
Minimum enhanced ISO | 100 | - |
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
AF continuous | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
Center weighted AF | ||
Multi area AF | ||
Live view AF | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Total focus points | 11 | 79 |
Cross type focus points | 9 | 15 |
Lens | ||
Lens support | Pentax KAF2 | Sony/Minolta Alpha |
Total lenses | 151 | 143 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Display type | Fixed Type | Fully Articulated |
Display diagonal | 3 inches | 3 inches |
Display resolution | 921 thousand dot | 1,229 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Display technology | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder type | Optical (pentamirror) | Electronic |
Viewfinder resolution | - | 2,359 thousand dot |
Viewfinder coverage | 96% | 100% |
Viewfinder magnification | 0.57x | 0.73x |
Features | ||
Minimum shutter speed | 30 secs | 30 secs |
Fastest shutter speed | 1/6000 secs | 1/8000 secs |
Continuous shutter speed | 6.0 frames/s | 12.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 12.00 m (at ISO 100) | 12.00 m (at ISO 100) |
Flash settings | Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync | Auto, fill, rear sync, slow sync |
External flash | ||
AEB | ||
WB bracketing | ||
Fastest flash sync | 1/180 secs | 1/250 secs |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 1280 x 720 (25 fps), 640 x 480 (25 fps) | 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p) |
Max video resolution | 1280x720 | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, AVCHD, XAVC S |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 598g (1.32 pounds) | 647g (1.43 pounds) |
Dimensions | 125 x 97 x 68mm (4.9" x 3.8" x 2.7") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
DXO scores | ||
DXO Overall rating | 72 | 82 |
DXO Color Depth rating | 22.9 | 24.4 |
DXO Dynamic range rating | 12.4 | 13.4 |
DXO Low light rating | 755 | 1013 |
Other | ||
Battery life | 470 shots | 480 shots |
Type of battery | Battery Pack | Battery Pack |
Battery ID | D-LI109,4 x AA | NP-FM500H |
Self timer | Yes (2 or 12 sec) | Yes (Yes (2 or 12 sec)) |
Time lapse recording | ||
Type of storage | SD/SDHC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | One | One |
Retail pricing | $1,100 | $1,198 |