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Pentax K-3 III vs Pentax KF

Portability
58
Imaging
71
Features
86
Overall
77
Pentax K-3 Mark III front
 
Pentax KF front
Portability
63
Imaging
72
Features
81
Overall
75

Pentax K-3 III vs Pentax KF Key Specs

Pentax K-3 III
(Full Review)
  • 26MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 1600000
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Introduced March 2021
Pentax KF
(Full Review)
  • 24MP - APS-C Sensor
  • 3.00" Fully Articulated Display
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 684g - 126 x 93 x 74mm
  • Revealed November 2022
  • Succeeded the Pentax K-70
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Pentax K-3 III vs Pentax KF Overview

Its time to look a little more closely at the Pentax K-3 III and Pentax KF, former being a Advanced DSLR while the other is a Entry-Level DSLR and both are designed by Pentax. The sensor resolution of the K-3 III (26MP) and the KF (24MP) is very similar and they come with the exact same sensor sizing (APS-C).

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The K-3 III was brought out 19 months prior to the KF making the cameras a generation apart from each other. Each of the cameras come with different body type with the Pentax K-3 III being a Mid-size SLR camera and the Pentax KF being a Compact SLR camera.

Before diving straight into a in depth comparison, below is a brief view of how the K-3 III grades against the KF for portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-3 III over the Pentax KF

 K-3 III KF 
Display dimension3.2"3.00"Larger display (+0.2")
Display resolution1620k1040kClearer display (+580k dot)
Touch display Easily navigate

Reasons to pick Pentax KF over the Pentax K-3 III

 KF K-3 III 
RevealedNovember 2022March 2021Fresher by 19 months
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Pentax K-3 III and Pentax KF

 K-3 III KF 
Focus manually Dial exact focusing

Pentax K-3 III vs Pentax KF Physical Comparison

If you are going to carry your camera often, you need to consider its weight and proportions. The Pentax K-3 III features outer dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") with a weight of 820 grams (1.81 lbs) and the Pentax KF has measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 684 grams (1.51 lbs).

Check the Pentax K-3 III and Pentax KF in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ depending on the lens you have chosen at the time. Below is the front view size comparison of the K-3 III compared to the KF.

Pentax K-3 III vs Pentax KF size comparison

Taking into account size and weight, the portability rating of the K-3 III and KF is 58 and 63 respectively.

Pentax K-3 III vs Pentax KF top view buttons comparison

Pentax K-3 III vs Pentax KF Sensor Comparison

Usually, it's hard to imagine the gap between sensor sizing merely by reviewing technical specs. The visual below might give you a far better sense of the sensor dimensions in the K-3 III and KF.

As you can tell, each of the cameras posses the exact same sensor measurements but different megapixels. You can expect to see the Pentax K-3 III to offer you more detail having its extra 2MP. Greater resolution will also make it easier to crop images somewhat more aggressively. The older K-3 III is going to be behind when it comes to sensor tech.

Pentax K-3 III vs Pentax KF sensor size comparison

Pentax K-3 III vs Pentax KF Screen and ViewFinder

Pentax K-3 III vs Pentax KF Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 III Portrait photography features
Pentax KF Portrait photography features
82
has manual focus
fantastic resolution (26MP)
sensor size is decent (APS-C)
offers face detection focusing
delivers RAW formats
83
has manual focus
MP count decent (24MP)
sensor size is decent (APS-C)
has face detect focusing
delivers RAW files
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Street Comparison

Pentax K-3 III Street photography advice
Pentax KF Street photography advice
70
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
comes with touch focus
environment proofing
great high ISO (1,600,000)
no moving screen
73
screen articulates
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
weather proofing
above average ISO range (102,400)
heavier than average (684 grams)
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Sports Comparison

Pentax K-3 III Sports photography factors
Pentax KF Sports photography factors
79
high shutter speed (1/8,000s)
built in image stabilization (Sensor based)
fantastic resolution (26MP)
sensor size is decent (APS-C)
offers tracking autofocus
environment proofing
comes with phase detect AF
low battery life (800 per charge)
74
maximum shutter speed is high (1/6,000 seconds)
built in image stabilization (Sensor based)
MP count decent (24 megapixels)
sensor size is decent (APS-C)
has tracking focus
weather proofing
comes with phase detect AF
max fps very slow (6.0 frames/s)
not so great battery life (410 CIPA)
Photography Glossary

Travel Comparison

Pentax K-3 III Travel photography info
Pentax KF Travel photography info
64
environment proofing
has bluetooth
comes with touch focus
fantastic resolution (26MP)
low battery life (800 CIPA)
does not posses selfie friendly display
66
weather proofing
MP count decent (24MP)
has built in flash
display is selfie friendly
not so great battery life (410 CIPA)
heavier than average (684g)
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Landscape Comparison

Pentax K-3 III Landscape photography information
Pentax KF Landscape photography information
80
has manual focus
switch lenses (Pentax KAF2 mount)
screen size is good (3.2 inch)
built in image stabilization (Sensor based)
fantastic resolution (26MP)
sensor size is decent (APS-C)
doesnt have low pass filter
great high ISO (1,600,000)
delivers RAW formats
environment proofing
2 card slots
low battery life (800 CIPA)
80
has manual focus
change lenses (Pentax KAF2 mount)
screen size is good (3.00")
built in image stabilization (Sensor based)
MP count decent (24 megapixels)
sensor size is decent (APS-C)
doesnt have anti-alias filter
above average ISO range (102,400)
delivers RAW files
weather proofing
not so great battery life (410 shots)
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Vlogging Comparison

Pentax K-3 III Vlogging factors
Pentax KF Vlogging factors
35
touchscreen capability
built in image stabilization (Sensor based)
offers face detection focusing
video resolution high (3840 x 2160 pxls)
does have external mic support
does not posses selfie friendly display
72
display is selfie friendly
built in image stabilization (Sensor based)
has face detect focusing
video res high (1920 x 1080 pixels)
does have mic socket
heavier than average (684 grams)
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Pentax K-3 III vs Pentax KF Specifications

Detailed spec comparison table for Pentax K-3 III and Pentax KF
 Pentax K-3 Mark IIIPentax KF
General Information
Manufacturer Pentax Pentax
Model Pentax K-3 Mark III Pentax KF
Category Advanced DSLR Entry-Level DSLR
Introduced 2021-03-31 2022-11-09
Physical type Mid-size SLR Compact SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23 x 15.5mm 23.5 x 15.6mm
Sensor surface area 356.5mm² 366.6mm²
Sensor resolution 26MP 24MP
Anti aliasing filter
Aspect ratio 3:2 3:2
Max resolution 6192 x 4128 6000 x 4000
Max native ISO 1600000 102400
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 101 11
Cross focus points 25 9
Lens
Lens mount Pentax KAF2 Pentax KAF2
Total lenses 156 161
Crop factor 1.6 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen size 3.2 inch 3.00 inch
Screen resolution 1,620k dots 1,040k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.63x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/8000s 1/6000s
Continuous shutter rate 12.0fps 6.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash modes Auto, Auto + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow- speed Sync, Slow-speed Sync + Red-eye, P-TTL, Contrast-control-sync, High-speed sync, Wireless sync Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize 1/200s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 24p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 24p, MOV, H.264, Linear PCM 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Max video resolution 3840x2160 1920x1080
Video data format MPEG-4, H.264 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 820 grams (1.81 lb) 684 grams (1.51 lb)
Dimensions 135 x 104 x 74mm (5.3" x 4.1" x 2.9") 126 x 93 x 74mm (5.0" x 3.7" x 2.9")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 800 pictures 410 pictures
Battery type Battery Pack Battery Pack
Battery model D-LI90 D-LI109
Self timer Yes Yes (2 or 12 secs, continuous)
Time lapse feature
Storage type Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1) SD/SDHC/SDXC (UHS-I compatible)
Card slots Two Single
Launch pricing $1,999 $850