Panasonic FZ300 vs Pentax K-3 III

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Panasonic FZ300 vs Pentax K-3 III

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1/2.3 inch 28.1mm²
12.1 megapixels
25.00mm - 600.00mm (35mm eq.)

Go in depth with our full Panasonic FZ300 Review.
How does it shoot? Panasonic FZ300 in the real world.
See real-world photos taken with the FZ300.
What’s the bottom line? Read our Panasonic FZ300 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.

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Differences

Panasonic FZ300 advantages over Pentax K-3 III

Less expensive
$448* vs $2344
Save money for lenses or accessories
Tilt-swivel screen
Tilt-swivel vs none
Tilt and swivel the screen for maximum shooting flexibility
In-camera panoramas
Yes vs No
Stitches multiple shots into a panoramic photo
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Higher max flash sync
1/4000 vs 1/200 sec
Reduce the effect of ambient light in flash shots
Longer exposure
60 vs 30 sec
Long exposures for night shots
Bigger JPEG buffer
Unlimited vs 30 shots
Take more JPEG shots before waiting (burst mode)
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 Panasonic FZ300

Larger sensor
APS-C vs 1/2.3 inch
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 3.76 vs 1.54 microns
Better low-light and dynamic range (all else equal)
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 380 shots
Capture more photos
Top deck display
Yes vs No
Check settings with a screen on top of the camera
Thinner
73 mm vs 117 mm
Thinner
Newer
4 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 0.70x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
25.7 vs 12.1 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
Higher extended ISO
1600000 vs 6400 ISO
Higher extended ISO can give more low-light flexibility

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
Shoot 4K video
Both provide
Make sure you have a fast computer
Touchscreen
Both provide
Interact with your camera just like your smartphone
RAW file ability
Both provide
Gives you more flexibility to develop your photos later
Built-in Wi-Fi
Both provide
Share your photos wirelessly
Manual focus
Both provide
AF is for the weak. Real photographers focus manually.
External Mic Jack
Both provide
Improved sound fidelity when shooting video
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

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
Integrated ND filter
Neither provide
Shoot in daylight with a large aperture or slow shutter

User reviews

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Adorama
Read FZ300 User Reviews

Amazon
Adorama
Read K-3 III User Reviews

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Panasonic FZ300

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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

Good image quality for its class; Improved ergonomics; Impressive new EVF and rear display; Versatile 24-600mm equivalent f/2.8 lens; Faster autofocus performance; 4K video and 4K Photo features.
Bulky camera body; Excessive default noise reduction applied at lower ISOs; Continuous autofocus performance is inconsistent.
Read our Panasonic FZ300 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 Fujifilm HS30EXR

Panasonic FZ300

Fujifilm HS30EXR

$473
1/2.3 inch

Focus peaking
Tilt-swivel screen

$468
1/2 inch

More telephoto lens reach
Longer stills battery life

Compare Panasonic FZ300 vs Fujifilm HS30EXR

Pentax K-3 III

Fujifilm HS30EXR

$1847
APS-C

Focus peaking
Larger sensor

$468
1/2 inch

Tiltable Screen
Internal flash

Compare Pentax K-3 III vs Fujifilm HS30EXR

Compared to Panasonic FZ200

Panasonic FZ300

Panasonic FZ200

$473
1/2.3 inch

Focus peaking
Shoot 4K video

$890
1/2.3 inch

Higher effective ISO
Longer stills battery life

Compare Panasonic FZ300 vs Panasonic FZ200

Pentax K-3 III

Panasonic FZ200

$1847
APS-C

Focus peaking
Larger sensor

$890
1/2.3 inch

Tilt-swivel screen
In-camera panoramas

Compare Pentax K-3 III vs Panasonic FZ200

Compared to Fujifilm S8200

Panasonic FZ300

Fujifilm S8200

$473
1/2.3 inch

Tilt-swivel screen
Focus peaking

$325
1/2.3 inch

Slower slow-motion
More telephoto lens reach

Compare Panasonic FZ300 vs Fujifilm S8200

Pentax K-3 III

Fujifilm S8200

$1847
APS-C

Focus peaking
Larger sensor

$325
1/2.3 inch

Internal flash
Slow-motion videos

Compare Pentax K-3 III vs Fujifilm S8200

Compared to Pentax KP

Panasonic FZ300

Pentax KP

$473
1/2.3 inch

Less expensive
Tilt-swivel screen

$999
APS-C

Larger sensor
Bigger pixels

Compare Panasonic FZ300 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 Canon 90D

Panasonic FZ300

Canon 90D

$473
1/2.3 inch

Less expensive
Slower slow-motion

$1099
APS-C

Larger sensor
Bigger pixels

Compare Panasonic FZ300 vs Canon 90D

Pentax K-3 III

Canon 90D

$1847
APS-C

Focus peaking
In-Camera Image Stabilization

$1099
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Canon 90D

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