Olympus 1s vs Pentax K-3 II
79 Imaging
38 Features
66 Overall
49


59 Imaging
66 Features
84 Overall
73
Olympus 1s vs Pentax K-3 II Key Specs
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Tilting Screen
- ISO 100 - 12800
- Optical Image Stabilization
- 1920 x 1080 video
- 28-300mm (F2.8) lens
- 402g - 116 x 87 x 57mm
- Launched April 2015
- Superseded the Olympus 1
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Released April 2015
- Succeeded the Pentax K-3

Olympus 1s vs Pentax K-3 II Overview
Following is a in-depth review of the Olympus 1s and Pentax K-3 II, one is a Small Sensor Superzoom and the other is a Advanced DSLR by competitors Olympus and Pentax. There exists a sizeable gap between the sensor resolutions of the 1s (12MP) and K-3 II (24MP) and the 1s (1/1.7") and K-3 II (APS-C) provide totally different sensor sizes.

The 1s was launched within a month of the K-3 II which means that they are of a similar generation. Both cameras feature different body design with the Olympus 1s being a SLR-like (bridge) camera and the Pentax K-3 II being a Mid-size SLR camera.
Before going into a in-depth comparison, here is a short view of how the 1s matches up vs the K-3 II in terms of portability, imaging, features and an overall score.

Olympus 1s vs Pentax K-3 II Gallery
Here is a sample of the gallery pics for Olympus Stylus 1s and Pentax K-3 II. The complete galleries are provided at Olympus 1s Gallery and Pentax K-3 II Gallery.
Reasons to pick Olympus 1s over the Pentax K-3 II
1s | K-3 II | |||
---|---|---|---|---|
Display type | Tilting | ![]() | Fixed | Tilting display |
Display resolution | 1040k | ![]() | 1037k | Sharper display (+3k dot) |
Touch friendly display | ![]() | Easily navigate |
Reasons to pick Pentax K-3 II over the Olympus 1s
K-3 II | 1s | |||
---|---|---|---|---|
Display size | 3.2" | ![]() | 3" | Larger display (+0.2") |
Common features in the Olympus 1s and Pentax K-3 II
1s | K-3 II | |||
---|---|---|---|---|
Released | April 2015 | ![]() | April 2015 | Similar generation |
Focus manually | ![]() | Very accurate focusing | ||
Selfie screen | ![]() | Lacking selfie screen |
Olympus 1s vs Pentax K-3 II Physical Comparison
When you are going to carry around your camera frequently, you will need to factor its weight and size. The Olympus 1s has external measurements of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") having a weight of 402 grams (0.89 lbs) while the Pentax K-3 II has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).
See the Olympus 1s and Pentax K-3 II in the latest Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that time. Below is a front view proportions comparison of the 1s and the K-3 II.

Factoring in dimensions and weight, the portability rating of the 1s and K-3 II is 79 and 59 respectively.

Olympus 1s vs Pentax K-3 II Sensor Comparison
Quite often, it's hard to envision the difference between sensor sizes simply by going over a spec sheet. The pic underneath may give you a clearer sense of the sensor sizing in the 1s and K-3 II.
As you can see, both cameras come with different megapixel count and different sensor sizes. The 1s featuring a tinier sensor will make getting shallow DOF tougher and the Pentax K-3 II will offer you more detail utilizing its extra 12 Megapixels. Greater resolution can also enable you to crop photos a good deal more aggressively.

Olympus 1s vs Pentax K-3 II Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus 1s vs Pentax K-3 II Specifications
Olympus Stylus 1s | Pentax K-3 II | |
---|---|---|
General Information | ||
Manufacturer | Olympus | Pentax |
Model | Olympus Stylus 1s | Pentax K-3 II |
Class | Small Sensor Superzoom | Advanced DSLR |
Launched | 2015-04-13 | 2015-04-23 |
Physical type | SLR-like (bridge) | Mid-size SLR |
Sensor Information | ||
Processor | - | Prime III |
Sensor type | BSI-CMOS | CMOS |
Sensor size | 1/1.7" | APS-C |
Sensor dimensions | 7.44 x 5.58mm | 23.5 x 15.6mm |
Sensor surface area | 41.5mm² | 366.6mm² |
Sensor resolution | 12MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
Highest Possible resolution | 3968 x 2976 | 6016 x 4000 |
Maximum native ISO | 12800 | 51200 |
Min native ISO | 100 | 100 |
RAW format | ||
Autofocusing | ||
Focus manually | ||
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 | ||
Number of focus points | 35 | 27 |
Cross focus points | - | 25 |
Lens | ||
Lens mounting type | fixed lens | Pentax KAF2 |
Lens focal range | 28-300mm (10.7x) | - |
Max aperture | f/2.8 | - |
Macro focus distance | 5cm | - |
Available lenses | - | 151 |
Crop factor | 4.8 | 1.5 |
Screen | ||
Screen type | Tilting | Fixed Type |
Screen diagonal | 3" | 3.2" |
Resolution of screen | 1,040k dots | 1,037k dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder type | Electronic | Optical (pentaprism) |
Viewfinder resolution | 1,440k dots | - |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | - | 0.64x |
Features | ||
Minimum shutter speed | 60 secs | 30 secs |
Fastest shutter speed | 1/2000 secs | 1/8000 secs |
Continuous shutter rate | 7.0fps | 8.3fps |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Custom white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 10.30 m (at ISO 1600) | no built-in flash |
Flash modes | Auto, redeye reduction, fill-on, off, redeye reduction slow sync, full, manual | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash) |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Fastest flash synchronize | - | 1/180 secs |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 1920 x 1080 (30p), 1280 x 720 (30p) | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) |
Maximum video resolution | 1920x1080 | 1920x1080 |
Video file format | MPEG-4, H.264 | MPEG-4, H.264 |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | Built-In | Optional |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
GPS | None | BuiltIn |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 402 grams (0.89 lbs) | 800 grams (1.76 lbs) |
Physical dimensions | 116 x 87 x 57mm (4.6" x 3.4" x 2.2") | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") |
DXO scores | ||
DXO Overall score | not tested | 80 |
DXO Color Depth score | not tested | 23.6 |
DXO Dynamic range score | not tested | 13.6 |
DXO Low light score | not tested | 1106 |
Other | ||
Battery life | 450 pictures | 720 pictures |
Battery type | Battery Pack | Battery Pack |
Battery model | BLS-50 | D-LI90 |
Self timer | Yes (2 or 12 sec, custom) | Yes ( 2 or 12 seconds) |
Time lapse feature | ||
Type of storage | SD/SDHC/SDXC card | Dual SD/SDHC/SDXC |
Card slots | One | Two |
Price at release | $699 | $829 |