Pentax K-S2 vs Sony G3
64 Imaging
63 Features
82 Overall
70


94 Imaging
33 Features
30 Overall
31
Pentax K-S2 vs Sony G3 Key Specs
(Full Review)
- 20MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 678g - 123 x 91 x 73mm
- Revealed February 2015
- Succeeded the Pentax K-S1
(Full Review)
- 10MP - 1/2.3" Sensor
- 3.5" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 640 x 480 video
- 35-140mm (F3.5-10.0) lens
- 185g - 97 x 59 x 22mm
- Introduced January 2009

Pentax K-S2 vs Sony G3 Overview
Its time to examine more in depth at the Pentax K-S2 vs Sony G3, former being a Entry-Level DSLR while the latter is a Small Sensor Compact by brands Pentax and Sony. There is a noticeable difference among the resolutions of the K-S2 (20MP) and G3 (10MP) and the K-S2 (APS-C) and G3 (1/2.3") feature different sensor sizes.

The K-S2 was released 6 years later than the G3 and that is a fairly sizable difference as far as camera tech is concerned. Both cameras offer different body type with the Pentax K-S2 being a Compact SLR camera and the Sony G3 being a Compact camera.
Before delving in to a in-depth comparison, below is a quick overview of how the K-S2 scores versus the G3 in relation to portability, imaging, features and an overall rating.

Pentax K-S2 vs Sony G3 Gallery
This is a preview of the gallery images for Pentax K-S2 & Sony Cyber-shot DSC-G3. The complete galleries are available at Pentax K-S2 Gallery & Sony G3 Gallery.
Reasons to pick Pentax K-S2 over the Sony G3
K-S2 | G3 | |||
---|---|---|---|---|
Introduced | February 2015 | ![]() | January 2009 | Fresher by 75 months |
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Selfie screen | ![]() | Easy selfies |
Reasons to pick Sony G3 over the Pentax K-S2
G3 | K-S2 | |||
---|---|---|---|---|
Screen sizing | 3.5" | ![]() | 3" | Bigger screen (+0.5") |
Touch friendly screen | ![]() | Quickly navigate |
Common features in the Pentax K-S2 and Sony G3
K-S2 | G3 | |||
---|---|---|---|---|
Manually focus | ![]() | Dial accurate focusing | ||
Screen resolution | 921k | ![]() | 921k | The same screen resolution |
Pentax K-S2 vs Sony G3 Physical Comparison
For anyone who is intending to carry your camera often, you have to consider its weight and measurements. The Pentax K-S2 has got exterior dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") having a weight of 678 grams (1.49 lbs) whilst the Sony G3 has proportions of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).
Check out the Pentax K-S2 vs Sony G3 in our newest Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ dependant on the lens you are employing at that time. Underneath is the front view scale comparison of the K-S2 and the G3.

Taking into consideration size and weight, the portability rating of the K-S2 and G3 is 64 and 94 respectively.

Pentax K-S2 vs Sony G3 Sensor Comparison
Usually, it is very difficult to visualize the gap in sensor sizing merely by researching a spec sheet. The graphic here should offer you a better sense of the sensor dimensions in the K-S2 and G3.
As you can see, both the cameras enjoy different megapixel count and different sensor sizing. The K-S2 due to its bigger sensor is going to make shooting shallow DOF easier and the Pentax K-S2 will provide you with greater detail as a result of its extra 10 Megapixels. Higher resolution will also let you crop shots far more aggressively. The newer K-S2 provides an advantage when it comes to sensor tech.

Pentax K-S2 vs Sony G3 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-S2 vs Sony G3 Specifications
Pentax K-S2 | Sony Cyber-shot DSC-G3 | |
---|---|---|
General Information | ||
Company | Pentax | Sony |
Model | Pentax K-S2 | Sony Cyber-shot DSC-G3 |
Category | Entry-Level DSLR | Small Sensor Compact |
Revealed | 2015-02-10 | 2009-01-08 |
Physical type | Compact SLR | Compact |
Sensor Information | ||
Chip | PRIME MII | - |
Sensor type | CMOS | CCD |
Sensor size | APS-C | 1/2.3" |
Sensor dimensions | 23.5 x 15.6mm | 6.17 x 4.55mm |
Sensor surface area | 366.6mm² | 28.1mm² |
Sensor resolution | 20 megapixels | 10 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 4:3, 3:2 and 16:9 |
Peak resolution | 5472 x 3648 | 3648 x 2736 |
Highest native ISO | 51200 | 3200 |
Min native ISO | 100 | 80 |
RAW photos | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | 11 | 9 |
Lens | ||
Lens mounting type | Pentax KAF2 | fixed lens |
Lens focal range | - | 35-140mm (4.0x) |
Highest aperture | - | f/3.5-10.0 |
Amount of lenses | 151 | - |
Focal length multiplier | 1.5 | 5.8 |
Screen | ||
Screen type | Fully Articulated | Fixed Type |
Screen diagonal | 3 inches | 3.5 inches |
Resolution of screen | 921 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | None |
Viewfinder coverage | 100% | - |
Viewfinder magnification | 0.64x | - |
Features | ||
Minimum shutter speed | 30 seconds | 1 seconds |
Fastest shutter speed | 1/6000 seconds | 1/1000 seconds |
Continuous shutter rate | 5.4 frames/s | 2.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | - |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 12.00 m (at ISO 100) | 4.30 m (Auto ISO) |
Flash modes | Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash | Auto, On, Off, Red-Eye reduction, Slow Sync |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p) | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
Highest video resolution | 1920x1080 | 640x480 |
Video file format | MPEG-4, H.264 | Motion JPEG |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 678g (1.49 pounds) | 185g (0.41 pounds) |
Dimensions | 123 x 91 x 73mm (4.8" x 3.6" x 2.9") | 97 x 59 x 22mm (3.8" x 2.3" x 0.9") |
DXO scores | ||
DXO Overall score | not tested | not tested |
DXO Color Depth score | not tested | not tested |
DXO Dynamic range score | not tested | not tested |
DXO Low light score | not tested | not tested |
Other | ||
Battery life | 410 photographs | - |
Form of battery | Battery Pack | - |
Battery model | D-LI109 | - |
Self timer | Yes (2 or 12 secs) | Yes (2 or 10 sec) |
Time lapse recording | ||
Storage type | SD/SDHC/SDXC | Memory Stick Duo/Pro Duo, Internal |
Card slots | One | One |
Launch pricing | $581 | $200 |