Pentax K-S2 vs Sony A55
64 Imaging
64 Features
82 Overall
71
67 Imaging
56 Features
80 Overall
65
Pentax K-S2 vs Sony A55 Key Specs
(Full Review)
- 20MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 678g - 123 x 91 x 73mm
- Launched February 2015
- Earlier Model is Pentax K-S1
(Full Review)
- 16MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 12800 (Boost to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Announced August 2010
- Refreshed by Sony A57
Pentax K-S2 vs Sony A55 Overview
Here, we will be looking at the Pentax K-S2 and Sony A55, both Entry-Level DSLR digital cameras by companies Pentax and Sony. There is a sizeable difference between the sensor resolutions of the K-S2 (20MP) and A55 (16MP) but both cameras offer the identical sensor dimensions (APS-C).
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe K-S2 was brought out 4 years later than the A55 and that is quite a large gap as far as tech is concerned. Both the cameras feature the same body design (Compact SLR).
Before diving right into a full comparison, here is a short highlight of how the K-S2 grades versus the A55 in regards to portability, imaging, features and an overall grade.
Pentax K-S2 vs Sony A55 Gallery
Following is a preview of the gallery photos for Pentax K-S2 and Sony SLT-A55. The entire galleries are provided at Pentax K-S2 Gallery and Sony A55 Gallery.
Reasons to pick Pentax K-S2 over the Sony A55
K-S2 | A55 | |||
---|---|---|---|---|
Announced | February 2015 | August 2010 | More recent by 55 months |
Reasons to pick Sony A55 over the Pentax K-S2
A55 | K-S2 |
---|
Common features in the Pentax K-S2 and Sony A55
K-S2 | A55 | |||
---|---|---|---|---|
Focus manually | Very accurate focusing | |||
Screen type | Fully Articulated | Fully Articulated | Fully Articulated screen | |
Screen size | 3" | 3" | Same screen sizing | |
Screen resolution | 921k | 921k | Identical screen resolution | |
Selfie screen | Both good for selfies | |||
Touch friendly screen | Neither has Touch friendly screen |
Pentax K-S2 vs Sony A55 Physical Comparison
For anybody who is looking to lug around your camera frequently, you need to take into account its weight and proportions. The Pentax K-S2 has external dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") and a weight of 678 grams (1.49 lbs) and the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).
Check out the Pentax K-S2 and Sony A55 in the all new Camera with Lens Size Comparison Tool.Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at that time. The following is a front view physical size comparison of the K-S2 and the A55.
Looking at size and weight, the portability score of the K-S2 and A55 is 64 and 67 respectively.
Pentax K-S2 vs Sony A55 Sensor Comparison
Usually, it's difficult to see the difference between sensor measurements merely by reading through specs. The visual below may offer you a greater sense of the sensor sizes in the K-S2 and A55.
As you can plainly see, both the cameras come with the identical sensor size albeit not the same resolution. You should count on the Pentax K-S2 to resolve more detail having its extra 4MP. Higher resolution will also let you crop shots a good deal more aggressively. The more modern K-S2 will have an advantage when it comes to sensor tech.
Pentax K-S2 vs Sony A55 Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Pentax K-S2 vs Sony A55 Specifications
Pentax K-S2 | Sony SLT-A55 | |
---|---|---|
General Information | ||
Brand Name | Pentax | Sony |
Model type | Pentax K-S2 | Sony SLT-A55 |
Type | Entry-Level DSLR | Entry-Level DSLR |
Launched | 2015-02-10 | 2010-08-24 |
Physical type | Compact SLR | Compact SLR |
Sensor Information | ||
Processor Chip | PRIME MII | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor measurements | 23.5 x 15.6mm | 23.5 x 15.6mm |
Sensor surface area | 366.6mm² | 366.6mm² |
Sensor resolution | 20 megapixel | 16 megapixel |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Max resolution | 5472 x 3648 | 4912 x 3264 |
Max native ISO | 51200 | 12800 |
Max enhanced ISO | - | 25600 |
Lowest native ISO | 100 | 100 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Total focus points | 11 | 15 |
Cross type focus points | - | 3 |
Lens | ||
Lens mount type | Pentax KAF2 | Sony/Minolta Alpha |
Total lenses | 151 | 143 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Display type | Fully Articulated | Fully Articulated |
Display sizing | 3" | 3" |
Display resolution | 921 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 1,150 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.64x | 0.73x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/6000s | 1/4000s |
Continuous shutter rate | 5.4 frames per sec | 10.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 12.00 m (at ISO 100) | 10.00 m (@ ISO 100) |
Flash options | Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max flash synchronize | - | 1/160s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p) | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Max video resolution | 1920x1080 | 1920x1080 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | BuiltIn |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 678g (1.49 pounds) | 500g (1.10 pounds) |
Physical dimensions | 123 x 91 x 73mm (4.8" x 3.6" x 2.9") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
DXO scores | ||
DXO Overall rating | not tested | 73 |
DXO Color Depth rating | not tested | 23.0 |
DXO Dynamic range rating | not tested | 12.4 |
DXO Low light rating | not tested | 816 |
Other | ||
Battery life | 410 images | 380 images |
Battery style | Battery Pack | Battery Pack |
Battery ID | D-LI109 | NP-FW50 |
Self timer | Yes (2 or 12 secs) | Yes (2 or 10 sec) |
Time lapse shooting | ||
Type of storage | SD/SDHC/SDXC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | 1 | 1 |
Pricing at release | $581 | $800 |