Clicky

Pentax K-3 III vs Pentax K-70

Portability
58
Imaging
73
Features
86
Overall
78
Pentax K-3 Mark III front
 
Pentax K-70 front
Portability
62
Imaging
69
Features
81
Overall
73

Pentax K-3 III vs Pentax K-70 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
  • Released March 2021
Pentax K-70
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 688g - 126 x 93 x 74mm
  • Announced June 2016
Handle those 8K RED files like a boss

Pentax K-3 III vs Pentax K-70 Overview

Its time to look a little more closely at the Pentax K-3 III versus Pentax K-70, one being a Advanced DSLR and the other is a Entry-Level DSLR and they are both produced by Pentax. The sensor resolution of the K-3 III (26MP) and the K-70 (24MP) is very well matched and both cameras provide the same sensor size (APS-C).

World's smallest camera makes it into Guinness Book of Records

The K-3 III was launched 4 years later than the K-70 and that is quite a large gap as far as tech is concerned. Both of the cameras have different body design with the Pentax K-3 III being a Mid-size SLR camera and the Pentax K-70 being a Compact SLR camera.

Before diving straight to a step-by-step comparison, here is a brief view of how the K-3 III grades against the K-70 when it comes to portability, imaging, features and an overall rating.

Instagram's $20 billion Ad success
	
	

Reasons to pick Pentax K-3 III over the Pentax K-70

 K-3 III K-70 
AnnouncedMarch 2021June 2016Fresher by 59 months
Display dimensions3.2"3"Larger display (+0.2")
Display resolution1620k921kCrisper display (+699k dot)
Touch display Easily navigate

Reasons to pick Pentax K-70 over the Pentax K-3 III

 K-70 K-3 III 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies

Common features in the Pentax K-3 III and Pentax K-70

 K-3 III K-70 
Manual focus Dial precise focusing

Pentax K-3 III vs Pentax K-70 Physical Comparison

In case you're going to carry your camera often, you're going to have to factor its weight and measurements. The Pentax K-3 III offers external dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") along with a weight of 820 grams (1.81 lbs) and the Pentax K-70 has proportions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs).

Contrast the Pentax K-3 III versus Pentax K-70 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at that moment. The following is a front view measurements comparison of the K-3 III against the K-70.

Pentax K-3 III vs Pentax K-70 size comparison

Taking into consideration size and weight, the portability rating of the K-3 III and K-70 is 58 and 62 respectively.

Pentax K-3 III vs Pentax K-70 top view buttons comparison

Pentax K-3 III vs Pentax K-70 Sensor Comparison

In many cases, it is very difficult to visualise the contrast between sensor sizing merely by reading through technical specs. The photograph here might give you a stronger sense of the sensor dimensions in the K-3 III and K-70.

As you can tell, both of those cameras have the same sensor dimensions but not the same megapixels. You should expect to see the Pentax K-3 III to give greater detail utilizing its extra 2 Megapixels. Greater resolution will make it easier to crop pics a bit more aggressively. The fresher K-3 III is going to have a benefit in sensor technology.

Pentax K-3 III vs Pentax K-70 sensor size comparison

Pentax K-3 III vs Pentax K-70 Screen and ViewFinder

Pentax K-3 III vs Pentax K-70 Screen and Viewfinder comparison
Photographer fined '$200,000' for failing to deliver photos

Photography Type Scores

Portrait Comparison

Pentax K-3 III Portrait photography factors
Pentax K-70 Portrait photography factors
83
you can focus manually
high sensor resolution (26MP)
sensor size is decent (APS-C)
supports face detect focus
supports RAW formats
81
has manual focus
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
has face detection focus
delivers RAW formats
Last day to get your files as Canon Irisa shuts down

Street Comparison

Street photography with Pentax K-3 III
Street photography with Pentax K-70
71
has image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW formats
features touch focus
environment sealing
good high ISO (1,600,000)
fixed screen
72
screen articulates fully
has image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
environment proof
above average ISO range (102,400)
more heavy than others (688 grams)
Unsplash partners with Institutions to bring historical archive photos

Sports Comparison

Pentax K-3 III Sports photography info
Pentax K-70 Sports photography info
80
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
high sensor resolution (26 megapixels)
sensor size is decent (APS-C)
supports tracking focus
environment sealing
supports phase detect auto focus
terrible battery pack (800 shots)
73
high shutter speed (1/6,000 seconds)
has image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
has tracking autofocus
environment proof
has phase detect auto focus
max fps low (6.0 frames per second)
not so great battery life (410 per charge)
Control Profoto B10 & B10 Plus with your Android Phone

Travel Comparison

Pentax K-3 III as a Travel photography camera
Pentax K-70 as a Travel photography camera
64
environment sealing
supports bluetooth
features touch focus
high sensor resolution (26 megapixels)
terrible battery pack (800 per charge)
screen is not selfie friendly
65
environment proof
megapixel count decent (24 megapixels)
has built in flash
selfie friendly display
not so great battery life (410 shots)
more heavy than others (688 grams)
Google will print your 'Best' photos for $8 a month

Landscape Comparison

Pentax K-3 III as a Landscape photography camera
Pentax K-70 as a Landscape photography camera
80
you can focus manually
change lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inches)
has image stabilization (Sensor based)
high sensor resolution (26 megapixels)
sensor size is decent (APS-C)
doesnt have low pass filter
good high ISO (1,600,000)
supports RAW formats
environment sealing
has dual storage slots
terrible battery pack (800 per charge)
79
has manual focus
change lenses (Pentax KAF2 mount)
screen is a decent size (3")
has image stabilization (Sensor based)
megapixel count decent (24MP)
sensor size is good (APS-C)
does not have anti aliasing filter
above average ISO range (102,400)
delivers RAW formats
environment proof
not so great battery life (410 per charge)
400 Megapixel mode coming to Fujifilm GFX 100

Vlogging Comparison

Vlogging with Pentax K-3 III
Vlogging with Pentax K-70
35
screen is touchscreen
has image stabilization (Sensor based)
supports face detect focus
high quality video (3840 x 2160 pixels)
comes with mic jack
screen is not selfie friendly
71
selfie friendly display
has image stabilization (Sensor based)
has face detection focus
good video quality (1920 x 1080 resolution)
has external microphone socket
more heavy than others (688 grams)
Coronavirus is affecting the sensor business

Pentax K-3 III vs Pentax K-70 Specifications

Detailed spec comparison table for Pentax K-3 III and Pentax K-70
 Pentax K-3 Mark IIIPentax K-70
General Information
Company Pentax Pentax
Model type Pentax K-3 Mark III Pentax K-70
Class Advanced DSLR Entry-Level DSLR
Released 2021-03-31 2016-06-08
Physical type Mid-size SLR Compact SLR
Sensor Information
Powered by - PRIME MII
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23 x 15.5mm 23.5 x 15.6mm
Sensor surface area 356.5mm² 366.6mm²
Sensor resolution 26MP 24MP
Anti alias filter
Aspect ratio 3:2 3:2
Highest Possible resolution 6192 x 4128 6000 x 4000
Maximum native ISO 1600000 102400
Lowest native ISO 100 100
RAW photos
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 101 11
Cross type focus points 25 9
Lens
Lens mount type Pentax KAF2 Pentax KAF2
Number of lenses 156 151
Focal length multiplier 1.6 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen diagonal 3.2" 3"
Resolution of screen 1,620k dots 921k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.63x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/6000 secs
Continuous shutter rate 12.0 frames/s 6.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 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
AE bracketing
WB bracketing
Fastest flash synchronize 1/200 secs -
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)
Maximum video resolution 3840x2160 1920x1080
Video file format MPEG-4, H.264 MPEG-4, H.264
Microphone 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 820 grams (1.81 pounds) 688 grams (1.52 pounds)
Physical 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 rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 800 shots 410 shots
Battery type Battery Pack Battery Pack
Battery ID D-LI90 -
Self timer Yes Yes (2 or 12 secs, continuous)
Time lapse recording
Storage type Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1) SD/SDHC/SDXC (UHS-I compatible)
Card slots 2 One
Pricing at release $1,999 $649