Pentax K-3 vs Olympus Stylus 1s

Cameras
Compare Cameras
Pentax K-3 vs Olympus Stylus 1s

Leave Feedback

APS-C 366.6mm²
24.4 megapixels
ISO 100 - 51,200

Go in depth with our full Pentax K-3 Review.
How does it shoot? Pentax K-3 in the real world.
See real-world photos taken with the K-3.
Compare Pentax K-3 image quality against competitors.
What’s the bottom line? Read our Pentax K-3 conclusion.

1/1.7 inch 43.3mm²
12.0 megapixels
28.00mm - 300.00mm (35mm eq.)

Go in depth with our full Olympus Stylus 1s Review.

Succeeded by the Pentax K-3 II
Compare K-3 vs K-3 II
Compare Pentax K-3 II vs Olympus Stylus 1s

Buy From

Differences

Pentax K-3 advantages over Olympus Stylus 1s

Larger sensor
APS-C vs 1/1.7 inch
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 3.91 vs 1.92 microns
Better low-light and dynamic range (all else equal)
Longer stills battery life
More info

Longer stills battery life

Cameras with longer battery life can take more photos before exhausting their batteries.

Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

560 vs 450 shots
Capture more photos
Top deck display
Yes vs No
Check settings with a screen on top of the camera
External Mic Jack
Jack vs No jack
Improved sound fidelity when shooting video
Shoots 24p video
Yes vs No
Gives your movies a big-screen feel
More viewfinder magnification
0.63x vs 0.58x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
24.4 vs 12.0 megapixels
Higher resolution photos
Shoots 60p video
Yes vs No
A faster framerate can give you more editing options
Dual card slots
Yes vs No
Gives you more storage flexibility
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Optional anti-aliasing filter
Optional vs None
Lets you choose sharper photos or reduced moiré
Faster shutter
1/8000 vs 1/2000 sec
Shoot wide open in bright light
Higher extended ISO
51200 vs 12800 ISO
Higher extended ISO can give more low-light flexibility

Olympus Stylus 1s advantages over Pentax K-3

Less expensive
$700 vs $1150 (MSRP)
Save money for lenses or accessories
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
Built-in Wi-Fi
Wi-Fi vs None
Share your photos wirelessly
Integrated ND filter
Yes vs No
Shoot in daylight with a large aperture or slow shutter
Thinner
56 mm vs 77 mm
Thinner
Higher max flash sync
1/2000 vs 1/180 sec
Reduce the effect of ambient light in flash shots
Longer exposure
60 vs 30 sec
Long exposures for night shots
Slow-motion videos
Yes vs No
Shoot slow-motion videos

Similarities

Common Strengths

Rear display
Both provide
Review photos on the back of the camera
Focus peaking
Both provide
Your camera will highlight what's in focus
Eye-level viewfinder
Both provide
You'll be able to frame photos even when the sun is out
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
RAW file ability
Both provide
Gives you more flexibility to develop your photos later
Internal flash
Both provide
Useful in a pinch for fill flash
Manual focus
Both provide
AF is for the weak. Real photographers focus manually.
HDMI out
Both provide
Use HDMI output to monitor or review video
Hot shoe
Both provide
Off-camera flashes open new possibilities
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
In-camera panoramas
Neither provide
Stitches multiple shots into a panoramic photo
NFC
Neither provide
Simplifies pairing your camera with supported phones
Built-in Bluetooth
Neither provide
Always-on wireless connectivity
Built-in GPS
Neither provide
Geotag your photos
On-sensor phase detect
Neither provide
Usually improves live view and video AF performance

User reviews

Amazon
Adorama
Read K-3 User Reviews

Buy From

Your purchases support this site

Buy the Pentax K-3

Body Only

Body Only
Kit with 18-135mm Lens

All K-3 Deals

Your purchases support this site

Buy the Olympus Stylus 1s

Olympus Stylus 1s (Black)

All Stylus 1s Deals

Review Excerpt

Top-notch image quality; Great ergonomics in a compact body; Unique on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots; Optional Wi-Fi remote control
AE Lock button is poorly located; Below-average battery life for a DSLR; Rather dated-looking menu system; Requires a different battery grip accessory than its predecessors; Less third-party support than some rivals
Read our Pentax K-3 Review

We haven’t reviewed the Olympus Stylus 1s.
Read our Olympus Stylus 1s Preview

The Competition

Compared to Nikon P7100

Pentax K-3

Nikon P7100

$699
APS-C

Focus peaking
Larger sensor

$500
1/1.7 inch

Less expensive
Tiltable Screen

Compare Pentax K-3 vs Nikon P7100

Olympus Stylus 1s

Nikon P7100

$549
1/1.7 inch

Focus peaking
Touchscreen

$500
1/1.7 inch

Less expensive
Shoots 24p video

Compare Olympus Stylus 1s vs Nikon P7100

Compared to Nikon D7100

Pentax K-3

Nikon D7100

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$745
APS-C

Fast startup
Longer stills battery life

Compare Pentax K-3 vs Nikon D7100

Olympus Stylus 1s

Nikon D7100

$549
1/1.7 inch

Focus peaking
In-Camera Image Stabilization

$745
APS-C

Larger sensor
Bigger pixels

Compare Olympus Stylus 1s vs Nikon D7100

Compared to Nikon D5300

Pentax K-3

Nikon D5300

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$549
APS-C

Tilt-swivel screen
Fast startup

Compare Pentax K-3 vs Nikon D5300

Olympus Stylus 1s

Nikon D5300

$549
1/1.7 inch

Focus peaking
In-Camera Image Stabilization

$549
APS-C

Tilt-swivel screen
Larger sensor

Compare Olympus Stylus 1s vs Nikon D5300

Compared to Olympus Stylus 1

Pentax K-3

Olympus Stylus 1

$699
APS-C

Larger sensor
Bigger pixels

$449
1/1.7 inch

Less expensive
Touchscreen

Compare Pentax K-3 vs Olympus Stylus 1

Olympus Stylus 1s

Olympus Stylus 1

$549
1/1.7 inch

$449
1/1.7 inch

Faster JPEG shooting

Compare Olympus Stylus 1s vs Olympus Stylus 1

Compared to Nikon D7200

Pentax K-3

Nikon D7200

$699
APS-C

Focus peaking
In-Camera Image Stabilization

$1016
APS-C

Fast startup
Built-in Wi-Fi

Compare Pentax K-3 vs Nikon D7200

Olympus Stylus 1s

Nikon D7200

$549
1/1.7 inch

Focus peaking
In-Camera Image Stabilization

$1016
APS-C

Larger sensor
Bigger pixels

Compare Olympus Stylus 1s vs Nikon D7200

Compare Other Cameras?