Pentax K-r vs Sony A55
67 Imaging
53 Features
52 Overall
52
67 Imaging
56 Features
80 Overall
65
Pentax K-r vs Sony A55 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 12800 (Boost to 25600)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 598g - 125 x 97 x 68mm
- Introduced March 2011
(Full Review)
- 16MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 100 - 12800 (Push to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Revealed August 2010
- Later Model is Sony A57
Pentax K-r vs Sony A55 Overview
Let's examine more in depth at the Pentax K-r versus Sony A55, both Entry-Level DSLR cameras by manufacturers Pentax and Sony. There is a sizable difference among the resolutions of the K-r (12MP) and A55 (16MP) but they possess the exact same sensor sizing (APS-C).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe K-r was brought out 7 months after the A55 and they are of a similar age. Both of the cameras come with the identical body type (Compact SLR).
Before we go in to a full comparison, below is a short introduction of how the K-r matches up against the A55 in relation to portability, imaging, features and an overall score.
Pentax K-r vs Sony A55 Gallery
Below is a sample of the gallery pics for Pentax K-r & Sony SLT-A55. The entire galleries are provided at Pentax K-r Gallery & Sony A55 Gallery.
Reasons to pick Pentax K-r over the Sony A55
K-r | A55 | |||
---|---|---|---|---|
Revealed | March 2011 | August 2010 | More modern by 7 months |
Reasons to pick Sony A55 over the Pentax K-r
A55 | K-r | |||
---|---|---|---|---|
Display type | Fully Articulated | Fixed | Fully Articulating display | |
Selfie screen | Easy selfies |
Common features in the Pentax K-r and Sony A55
K-r | A55 | |||
---|---|---|---|---|
Focus manually | Very exact focusing | |||
Display dimension | 3" | 3" | Identical display measurement | |
Display resolution | 921k | 921k | Exact same display resolution | |
Touch friendly display | Neither includes Touch friendly display |
Pentax K-r vs Sony A55 Physical Comparison
For those who are aiming to carry around your camera often, you need to think about its weight and proportions. The Pentax K-r features outside measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") accompanied by a weight of 598 grams (1.32 lbs) and the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).
Take a look at the Pentax K-r versus Sony A55 in our newest Camera plus Lens Size Comparison Tool.Do not forget, the weight of an ILC will change based on the lens you select at that time. Underneath is the front view dimension comparison of the K-r compared to the A55.
Factoring in size and weight, the portability rating of the K-r and A55 is 67 and 67 respectively.
Pentax K-r vs Sony A55 Sensor Comparison
Often, its hard to visualise the difference in sensor sizes simply by viewing specs. The pic underneath may provide you a far better sense of the sensor measurements in the K-r and A55.
As you can plainly see, the two cameras posses the exact same sensor measurements but not the same resolution. You can expect to see the Sony A55 to provide you with extra detail having its extra 4MP. Greater resolution will make it easier to crop images somewhat more aggressively. The more recent K-r will have an edge when it comes to sensor innovation.
Pentax K-r vs Sony A55 Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Pentax K-r vs Sony A55 Specifications
Pentax K-r | Sony SLT-A55 | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model type | Pentax K-r | Sony SLT-A55 |
Type | Entry-Level DSLR | Entry-Level DSLR |
Introduced | 2011-03-11 | 2010-08-24 |
Body design | Compact SLR | Compact SLR |
Sensor Information | ||
Processor | Prime II | Bionz |
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 | 12MP | 16MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Max resolution | 4288 x 2848 | 4912 x 3264 |
Max native ISO | 12800 | 12800 |
Max enhanced ISO | 25600 | 25600 |
Minimum native ISO | 200 | 100 |
RAW format | ||
Minimum enhanced ISO | 100 | - |
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Total focus points | 11 | 15 |
Cross type focus points | 9 | 3 |
Lens | ||
Lens support | Pentax KAF2 | Sony/Minolta Alpha |
Available lenses | 151 | 143 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Range of screen | Fixed Type | Fully Articulated |
Screen sizing | 3 inches | 3 inches |
Screen resolution | 921k dot | 921k dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Screen technology | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder type | Optical (pentamirror) | Electronic |
Viewfinder resolution | - | 1,150k dot |
Viewfinder coverage | 96 percent | 100 percent |
Viewfinder magnification | 0.57x | 0.73x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/6000s | 1/4000s |
Continuous shutter speed | 6.0fps | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 12.00 m (at ISO 100) | 10.00 m (@ ISO 100) |
Flash modes | Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Max flash sync | 1/180s | 1/160s |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 1280 x 720 (25 fps), 640 x 480 (25 fps) | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Max video resolution | 1280x720 | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | BuiltIn |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 598 grams (1.32 lbs) | 500 grams (1.10 lbs) |
Dimensions | 125 x 97 x 68mm (4.9" x 3.8" x 2.7") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
DXO scores | ||
DXO Overall rating | 72 | 73 |
DXO Color Depth rating | 22.9 | 23.0 |
DXO Dynamic range rating | 12.4 | 12.4 |
DXO Low light rating | 755 | 816 |
Other | ||
Battery life | 470 photographs | 380 photographs |
Battery form | Battery Pack | Battery Pack |
Battery ID | D-LI109,4 x AA | NP-FW50 |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
Time lapse recording | ||
Storage media | SD/SDHC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | Single | Single |
Launch pricing | $1,100 | $800 |