Olympus SZ-31MR iHS vs Pentax K-x
89 Imaging
39 Features
47 Overall
42


69 Imaging
52 Features
47 Overall
50
Olympus SZ-31MR iHS vs Pentax K-x Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 25-600mm (F3.0-6.9) lens
- 226g - 106 x 69 x 40mm
- Revealed February 2012
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400 (Push to 12800)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Revealed December 2009

Olympus SZ-31MR iHS vs Pentax K-x Overview
The following is a in depth overview of the Olympus SZ-31MR iHS vs Pentax K-x, one is a Small Sensor Superzoom and the latter is a Entry-Level DSLR by competitors Olympus and Pentax. There exists a huge gap between the sensor resolutions of the SZ-31MR iHS (16MP) and K-x (12MP) and the SZ-31MR iHS (1/2.3") and K-x (APS-C) provide totally different sensor measurements.

The SZ-31MR iHS was launched 2 years after the K-x which is quite a significant gap as far as technology is concerned. Both the cameras feature different body design with the Olympus SZ-31MR iHS being a Compact camera and the Pentax K-x being a Compact SLR camera.
Before delving straight to a in-depth comparison, here is a quick synopsis of how the SZ-31MR iHS grades versus the K-x with respect to portability, imaging, features and an overall mark.

Olympus SZ-31MR iHS vs Pentax K-x Gallery
Following is a preview of the gallery photos for Olympus SZ-31MR iHS and Pentax K-x. The complete galleries are provided at Olympus SZ-31MR iHS Gallery and Pentax K-x Gallery.
Reasons to pick Olympus SZ-31MR iHS over the Pentax K-x
SZ-31MR iHS | K-x | |||
---|---|---|---|---|
Revealed | February 2012 | ![]() | December 2009 | Newer by 26 months |
Screen size | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 920k | ![]() | 230k | Crisper screen (+690k dot) |
Touch screen | ![]() | Quickly navigate |
Reasons to pick Pentax K-x over the Olympus SZ-31MR iHS
K-x | SZ-31MR iHS | |||
---|---|---|---|---|
Focus manually | ![]() | Very precise focusing |
Common features in the Olympus SZ-31MR iHS and Pentax K-x
SZ-31MR iHS | K-x | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Absent selfie screen |
Olympus SZ-31MR iHS vs Pentax K-x Physical Comparison
If you are going to travel with your camera, you will need to factor in its weight and dimensions. The Olympus SZ-31MR iHS enjoys exterior measurements of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") having a weight of 226 grams (0.50 lbs) and the Pentax K-x has dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs).
Examine the Olympus SZ-31MR iHS vs Pentax K-x in the latest Camera and Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing during that time. Below is a front view scale comparison of the SZ-31MR iHS and the K-x.

Factoring in dimensions and weight, the portability grade of the SZ-31MR iHS and K-x is 89 and 69 respectively.

Olympus SZ-31MR iHS vs Pentax K-x Sensor Comparison
Typically, it can be hard to envision the difference between sensor dimensions only by reading technical specs. The picture underneath should give you a far better sense of the sensor sizing in the SZ-31MR iHS and K-x.
As you have seen, both of the cameras come with different megapixels and different sensor dimensions. The SZ-31MR iHS featuring a tinier sensor will make shooting shallow depth of field harder and the Olympus SZ-31MR iHS will offer you more detail utilizing its extra 4MP. Higher resolution can also allow you to crop photographs a good deal more aggressively. The younger SZ-31MR iHS will have an edge with regard to sensor innovation.

Olympus SZ-31MR iHS vs Pentax K-x Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus SZ-31MR iHS vs Pentax K-x Specifications
Olympus SZ-31MR iHS | Pentax K-x | |
---|---|---|
General Information | ||
Company | Olympus | Pentax |
Model type | Olympus SZ-31MR iHS | Pentax K-x |
Class | Small Sensor Superzoom | Entry-Level DSLR |
Revealed | 2012-02-08 | 2009-12-23 |
Body design | Compact | Compact SLR |
Sensor Information | ||
Processor Chip | Dual TruePic V | Prime |
Sensor type | BSI-CMOS | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor dimensions | 6.17 x 4.55mm | 23.6 x 15.8mm |
Sensor surface area | 28.1mm² | 372.9mm² |
Sensor resolution | 16MP | 12MP |
Anti alias filter | ||
Aspect ratio | 4:3 and 16:9 | 3:2 |
Maximum resolution | 4608 x 3456 | 4288 x 2848 |
Maximum native ISO | 6400 | 6400 |
Maximum boosted ISO | - | 12800 |
Minimum native ISO | 80 | 100 |
RAW files | ||
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Continuous autofocus | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | - | 11 |
Cross type focus points | - | - |
Lens | ||
Lens mount type | fixed lens | Pentax KAF2 |
Lens zoom range | 25-600mm (24.0x) | - |
Highest aperture | f/3.0-6.9 | - |
Macro focusing range | 1cm | - |
Total lenses | - | 151 |
Crop factor | 5.8 | 1.5 |
Screen | ||
Range of screen | Fixed Type | Fixed Type |
Screen size | 3 inches | 2.7 inches |
Screen resolution | 920k dot | 230k dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Screen technology | Hypercrystal III TFT Color LCD | TFT LCD monitor |
Viewfinder Information | ||
Viewfinder type | None | Optical (pentamirror) |
Viewfinder coverage | - | 96 percent |
Viewfinder magnification | - | 0.57x |
Features | ||
Lowest shutter speed | 4 secs | 30 secs |
Highest shutter speed | 1/1700 secs | 1/6000 secs |
Continuous shooting speed | 7.0 frames/s | 5.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | - | Yes |
Set white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | 9.30 m | 16.00 m |
Flash settings | Auto, On, Off, Red-Eye, Fill-in | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Highest flash sync | - | 1/180 secs |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) | 1280 x 720 (24 fps), 640 x 416 (24 fps) |
Maximum video resolution | 1920x1080 | 1280x720 |
Video format | MPEG-4, H.264 | Motion JPEG |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Eye-Fi Connected | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 226 grams (0.50 lbs) | 580 grams (1.28 lbs) |
Physical dimensions | 106 x 69 x 40mm (4.2" x 2.7" x 1.6") | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") |
DXO scores | ||
DXO All around rating | not tested | 72 |
DXO Color Depth rating | not tested | 22.8 |
DXO Dynamic range rating | not tested | 12.5 |
DXO Low light rating | not tested | 811 |
Other | ||
Battery life | 200 images | 1900 images |
Style of battery | Battery Pack | Battery Pack |
Battery ID | LI-50B | 4 x AA |
Self timer | Yes (2 or 12 sec, pet auto shutter) | Yes (2 or 12 sec) |
Time lapse feature | ||
Storage media | SD/SDHC/SDXC | SD/SDHC card |
Storage slots | 1 | 1 |
Price at launch | $0 | $600 |