Olympus E-M10 II vs Pentax K-3 III

Cameras
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Olympus E-M10 II vs Pentax K-3 III

4/3 224.9mm²
16.1 megapixels
ISO 200 - 25,600

Go in depth with our full Olympus E-M10 II Review.
How does it shoot? Olympus E-M10 II in the real world.
See real-world photos taken with the E-M10 II.
Compare Olympus E-M10 II image quality against competitors.
What’s the bottom line? Read our Olympus E-M10 II conclusion.

APS-C 361.2mm²
25.7 megapixels
ISO 100 - 1,600,000

Go in depth with our full Pentax K-3 III Review.
See real-world photos taken with the K-3 III.

Succeeded by the Olympus E-M10 III
Compare E-M10 II vs E-M10 III
Compare Olympus E-M10 III vs Pentax K-3 III

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Differences

Olympus E-M10 II advantages over Pentax K-3 III

Less expensive
$550 vs $2344
Save money for lenses or accessories
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Thinner
46 mm vs 73 mm
Thinner
Longer exposure
60 vs 30 sec
Long exposures for night shots
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Faster shutter
1/16000 vs 1/8000 sec
Shoot wide open in bright light

Pentax K-3 III advantages over Olympus E-M10 II

Larger sensor
APS-C vs 4/3
More sensor area. Bigger is (generally) better.
Shoot 4K video
4K (UHD) vs 1080p
Make sure you have a fast computer
High resolution composite
Yes vs No
Combine multiple shots to form a super hi-res version
Built-in Bluetooth
Yes vs No
Always-on wireless connectivity
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

800 vs 320 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
Newer
3 years vs 9 years old
Newer cameras often support more advanced features
Higher-res screen
540k vs 346k pixels
More detail on the screen lets you judge focus and composition
More viewfinder magnification
1.05x vs 0.62x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
25.7 vs 16.1 megapixels
Higher resolution photos
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 JPEG shooting
12.0 fps vs 8.9 fps
Faster JPEG shooting (burst mode)
Higher extended ISO
1600000 vs 25600 ISO
Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

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
Touchscreen
Both provide
Interact with your camera just like your smartphone
Built-in Wi-Fi
Both provide
Share your photos wirelessly
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 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 III User Reviews

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Buy the Olympus E-M10 II

Body Only (Black)

Body Only (Black)
Body Only (Silver)
Kit with 14-42mm EZ lens (Black)
Kit with 14-42mm EZ lens (Brown)
Kit with 14-42mm EZ lens (Silver)
Kit with 14-42mm II R lens

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Buy the Pentax K-3 III

Body Only

Body Only
Kit with 20-40mm F2.8-4 Lens
Kit with 55-300mm f/4.5-6.3 Lens

All K-3 III Deals

Review Excerpt

Excellent value for the money; Professional-grade ergonomics; Incredibly good image quality for its class; Solid performance specs across the board; Loaded with features.
Kit lens may not be quite as sharp as previous kit lens from this line; Below average battery life; Somewhat confusing menu systems.
Read our Olympus E-M10 II Review

We haven’t finished our review of the Pentax K-3 III, but we have extensive sample photos and a hands-on report.
See our Pentax K-3 III First Shots

The Competition

Compared to Olympus E-M10

Olympus E-M10 II

Olympus E-M10

$349
4/3

Fast startup
Shoots 24p video

$399
4/3

Compare Olympus E-M10 II vs Olympus E-M10

Pentax K-3 III

Olympus E-M10

$1847
APS-C

Larger sensor
Shoot 4K video

$399
4/3

Tiltable Screen
Internal flash

Compare Pentax K-3 III vs Olympus E-M10

Compared to Panasonic GX85

Olympus E-M10 II

Panasonic GX85

$349
4/3

Higher effective ISO
More telephoto lens reach

$598
4/3

Shoot 4K video
In-camera panoramas

Compare Olympus E-M10 II vs Panasonic GX85

Pentax K-3 III

Panasonic GX85

$1847
APS-C

Larger sensor
High resolution composite

$598
4/3

Less expensive
In-camera panoramas

Compare Pentax K-3 III vs Panasonic GX85

Compared to Pentax KP

Olympus E-M10 II

Pentax KP

$349
4/3

Less expensive
Touchscreen

$999
APS-C

Larger sensor
High resolution composite

Compare Olympus E-M10 II vs Pentax KP

Pentax K-3 III

Pentax KP

$1847
APS-C

Shoot 4K video
Touchscreen

$999
APS-C

Less expensive
Tiltable Screen

Compare Pentax K-3 III vs Pentax KP

Compared to Olympus E-M10 III

Olympus E-M10 II

Olympus E-M10 III

$349
4/3

Less expensive

$549
4/3

Shoot 4K video
Bigger JPEG buffer

Compare Olympus E-M10 II vs Olympus E-M10 III

Pentax K-3 III

Olympus E-M10 III

$1847
APS-C

Larger sensor
High resolution composite

$549
4/3

Less expensive
Tiltable Screen

Compare Pentax K-3 III vs Olympus E-M10 III

Compared to Canon 90D

Olympus E-M10 II

Canon 90D

$349
4/3

Less expensive
Focus peaking

$1199
APS-C

Larger sensor
Tilt-swivel screen

Compare Olympus E-M10 II vs Canon 90D

Pentax K-3 III

Canon 90D

$1847
APS-C

Focus peaking
In-Camera Image Stabilization

$1199
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Canon 90D

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