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Canon 70D vs Pentax K-3 III

Portability
59
Imaging
62
Features
84
Overall
70
Canon EOS 70D front
 
Pentax K-3 Mark III front
Portability
58
Imaging
71
Features
86
Overall
77

Canon 70D vs Pentax K-3 III Key Specs

Canon 70D
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Push to 25600)
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Canon EF/EF-S Mount
  • 755g - 139 x 104 x 79mm
  • Introduced October 2013
  • Previous Model is Canon 60D
  • Refreshed by Canon 80D
Pentax K-3 III
(Full Review)
  • 26MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 1600000
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Introduced March 2021
Photography Glossary

Canon 70D vs Pentax K-3 III Overview

Let's examine more closely at the Canon 70D versus Pentax K-3 III, both Advanced DSLR digital cameras by manufacturers Canon and Pentax. There is a huge difference between the resolutions of the 70D (20MP) and K-3 III (26MP) but they enjoy the exact same sensor dimensions (APS-C).

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The 70D was introduced 8 years prior to the K-3 III which is quite a significant gap as far as tech is concerned. Both cameras come with the identical body type (Mid-size SLR).

Before diving in to a in-depth comparison, below is a simple summation of how the 70D grades against the K-3 III with regards to portability, imaging, features and an overall mark.

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

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

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

 K-3 III 70D 
IntroducedMarch 2021October 2013Newer by 90 months
Display dimension3.2"3"Larger display (+0.2")
Display resolution1620k1040kSharper display (+580k dot)

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

 70D K-3 III 
Manual focus Very exact focus
Touch friendly display Easily navigate

Canon 70D vs Pentax K-3 III Physical Comparison

When you are planning to travel with your camera often, you will need to take into account its weight and size. The Canon 70D has got outside dimensions of 139mm x 104mm x 79mm (5.5" x 4.1" x 3.1") along with a weight of 755 grams (1.66 lbs) while the Pentax K-3 III has specifications of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") having a weight of 820 grams (1.81 lbs).

Look at the Canon 70D versus Pentax K-3 III in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that time. Underneath is the front view sizing comparison of the 70D compared to the K-3 III.

Canon 70D vs Pentax K-3 III size comparison

Taking into account size and weight, the portability grade of the 70D and K-3 III is 59 and 58 respectively.

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

Canon 70D vs Pentax K-3 III Sensor Comparison

Generally, it's difficult to picture the difference between sensor dimensions just by looking at specs. The picture underneath might give you a much better sense of the sensor sizes in the 70D and K-3 III.

All in all, both of these cameras posses the exact same sensor measurements but different MP. You should expect to see the Pentax K-3 III to resolve greater detail using its extra 6 Megapixels. Greater resolution can also enable you to crop images somewhat more aggressively. The more aged 70D is going to be behind in sensor innovation.

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

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

Canon 70D vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon 70D
Portrait photography with Pentax K-3 III
77
focusing manually
decent MP (20 megapixels)
nice sensor size (APS-C)
supports face detection focusing
exports RAW files
82
manual focus
MP count high (26 megapixels)
sensor size is good (APS-C)
features face detection autofocus
delivers RAW files
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Street Comparison

Canon 70D Street photography info
Pentax K-3 III Street photography info
68
screen can move to multiple angles
nice sensor size (APS-C)
exports RAW files
features touch focus
weather proofing
lack of image stabilization
70
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
comes with touch focus
environment proof
good high ISO (1,600,000)
fixed screen
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Sports Comparison

Sports photography with Canon 70D
Sports photography with Pentax K-3 III
73
maximum shutter speed is high (1/8,000 seconds)
decent MP (20 megapixels)
nice sensor size (APS-C)
supports tracking autofocus
weather proofing
supports phase detect AF
lack of image stabilization
79
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
MP count high (26MP)
sensor size is good (APS-C)
features tracking autofocus
environment proof
comes with phase detect autofocus
low battery life (800 shots)
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Travel Comparison

Travel photography with Canon 70D
Travel photography with Pentax K-3 III
69
weather proofing
features touch focus
decent MP (20 megapixels)
built-in flash
screen is selfie friendly
no Time Lapse function
64
environment proof
supports bluetooth
comes with touch focus
MP count high (26MP)
low battery life (800 per charge)
display isn't selfie friendly
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Landscape Comparison

Canon 70D Landscape photography details
Pentax K-3 III Landscape photography details
69
focusing manually
swap lenses (Canon EF/EF-S mount)
nice screen size (3 inches)
decent MP (20 megapixels)
nice sensor size (APS-C)
exports RAW files
weather proofing
lack of image stabilization
no Time Lapse function
80
manual focus
switch lenses (Pentax KAF2 mount)
screen size is good (3.2 inches)
image stabilization (Sensor based)
MP count high (26 megapixels)
sensor size is good (APS-C)
no anti aliasing filter
good high ISO (1,600,000)
delivers RAW files
environment proof
has dual storage slots
low battery life (800 per charge)
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Vlogging Comparison

Vlogging with Canon 70D
Vlogging with Pentax K-3 III
69
screen is selfie friendly
built-in touchscreen
supports face detection focusing
video resolution high (1920 x 1080 pxls)
comes with external mic support
lack of image stabilization
35
touchscreen
image stabilization (Sensor based)
features face detection autofocus
high quality video (3840 x 2160 pxls)
does have external mic jack
display isn't selfie friendly
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Canon 70D vs Pentax K-3 III Specifications

Detailed spec comparison table for Canon 70D and Pentax K-3 III
 Canon EOS 70DPentax K-3 Mark III
General Information
Manufacturer Canon Pentax
Model Canon EOS 70D Pentax K-3 Mark III
Type Advanced DSLR Advanced DSLR
Introduced 2013-10-31 2021-03-31
Body design Mid-size SLR Mid-size SLR
Sensor Information
Chip Digic 5+ -
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 22.5 x 15mm 23 x 15.5mm
Sensor area 337.5mm² 356.5mm²
Sensor resolution 20MP 26MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 5472 x 3648 6192 x 4128
Max native ISO 12800 1600000
Max enhanced ISO 25600 -
Minimum native ISO 100 100
RAW files
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 19 101
Cross focus points 19 25
Lens
Lens mount Canon EF/EF-S Pentax KAF2
Amount of lenses 326 156
Focal length multiplier 1.6 1.6
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3" 3.2"
Display resolution 1,040k dot 1,620k dot
Selfie friendly
Liveview
Touch capability
Display technology Clear View II TFT color LCD -
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.6x 0.7x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/8000 secs
Continuous shutter speed 7.0fps 12.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 12.00 m no built-in flash
Flash modes Auto, On, Off, Red-eye 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
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync 1/250 secs 1/200 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (29.97, 25, 23.976 fps), 1280 x 720 (59.94, 50 fps), 640 x 480 (59.94, 50 fps) 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
Max video resolution 1920x1080 3840x2160
Video format H.264 MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 755 gr (1.66 pounds) 820 gr (1.81 pounds)
Dimensions 139 x 104 x 79mm (5.5" x 4.1" x 3.1") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO Overall score 68 not tested
DXO Color Depth score 22.5 not tested
DXO Dynamic range score 11.6 not tested
DXO Low light score 926 not tested
Other
Battery life 920 images 800 images
Form of battery Battery Pack Battery Pack
Battery model LP-E6 D-LI90
Self timer Yes (2 or 10 sec, remote) Yes
Time lapse shooting
Storage media SD/SDHC/SDXC Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Storage slots One Two
Retail price $758 $1,999