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Canon 30D vs Pentax K-3 III

Portability
58
Imaging
46
Features
39
Overall
43
Canon EOS 30D front
 
Pentax K-3 Mark III front
Portability
58
Imaging
72
Features
86
Overall
77

Canon 30D vs Pentax K-3 III Key Specs

Canon 30D
(Full Review)
  • 8MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600 (Expand to 3200)
  • 1/8000s Max Shutter
  • No Video
  • Canon EF/EF-S Mount
  • 784g - 144 x 106 x 74mm
  • Released April 2006
  • Older Model is Canon 20D
  • Refreshed by Canon 40D
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
  • Launched March 2021
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Canon 30D vs Pentax K-3 III Overview

Let's look more closely at the Canon 30D versus Pentax K-3 III, both Advanced DSLR digital cameras by manufacturers Canon and Pentax. There exists a crucial gap between the sensor resolutions of the 30D (8MP) and K-3 III (26MP) but both cameras provide the same sensor sizing (APS-C).

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The 30D was announced 16 years before the K-3 III and that is quite a serious gap as far as technology is concerned. Each of the cameras have the same body design (Mid-size SLR).

Before delving straight to a comprehensive comparison, here is a quick introduction of how the 30D grades vs the K-3 III when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Canon 30D over the Pentax K-3 III

 30D K-3 III 

Reasons to pick Pentax K-3 III over the Canon 30D

 K-3 III 30D 
LaunchedMarch 2021April 2006More recent by 182 months
Display dimensions3.2"2.5"Larger display (+0.7")
Display resolution1620k230kCrisper display (+1390k dot)
Touch display Easily navigate

Common features in the Canon 30D and Pentax K-3 III

 30D K-3 III 
Focus manually Very precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen

Canon 30D vs Pentax K-3 III Physical Comparison

When you are aiming to lug around your camera often, you are going to need to take into account its weight and measurements. The Canon 30D has got physical dimensions of 144mm x 106mm x 74mm (5.7" x 4.2" x 2.9") having a weight of 784 grams (1.73 lbs) whilst the Pentax K-3 III has proportions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") accompanied by a weight of 820 grams (1.81 lbs).

See the Canon 30D versus Pentax K-3 III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with at the time. Below is a front view size comparison of the 30D compared to the K-3 III.

Canon 30D vs Pentax K-3 III size comparison

Factoring in dimensions and weight, the portability rating of the 30D and K-3 III is 58 and 58 respectively.

Canon 30D vs Pentax K-3 III top view buttons comparison

Canon 30D vs Pentax K-3 III Sensor Comparison

Typically, it's tough to visualize the contrast between sensor measurements just by checking technical specs. The graphic here will provide you a more clear sense of the sensor dimensions in the 30D and K-3 III.

As you have seen, the 2 cameras provide the same sensor dimensions but different MP. You should expect to see the Pentax K-3 III to give extra detail with its extra 18MP. Greater resolution will also help you crop images more aggressively. The older 30D is going to be disadvantaged in sensor technology.

Canon 30D vs Pentax K-3 III sensor size comparison

Canon 30D vs Pentax K-3 III Screen and ViewFinder

Canon 30D vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon 30D
Portrait photography with Pentax K-3 III
51
has manual focus
sensor size is good (APS-C)
exports RAW files
doesn't have liveview
low megapixels (8MP)
83
you can focus manually
high MP (26 megapixels)
good sensor size (APS-C)
has face detect focus
saves RAW formats
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Street Comparison

Canon 30D Street photography details
Pentax K-3 III Street photography details
52
sensor size is good (APS-C)
exports RAW files
fixed screen
no image stabilization
71
image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW formats
features touch to focus
environment sealing
above average ISO range (1,600,000)
no articulating screen
Photography Glossary

Sports Comparison

Canon 30D Sports photography highlights
Pentax K-3 III Sports photography highlights
44
maximum shutter speed is high (1/8,000s)
sensor size is good (APS-C)
has phase detect auto focus
doesn't have liveview
continuous shooting slow (5.0 frames per second)
no image stabilization
low megapixels (8MP)
79
great max shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
high MP (26 megapixels)
good sensor size (APS-C)
has tracking focus
environment sealing
supports phase detect auto focus
not so great battery (800 shots)
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Travel Comparison

Canon 30D Travel photography features
Pentax K-3 III Travel photography features
42
built-in flash
does not have Timelapse mode
low megapixels (8 megapixels)
doesn't offer selfie friendly screen
64
environment sealing
supports bluetooth
features touch to focus
high MP (26 megapixels)
not so great battery (800 CIPA)
screen is not selfie friendly
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Landscape Comparison

Canon 30D Landscape photography features
Pentax K-3 III Landscape photography features
46
has manual focus
change lenses (Canon EF/EF-S mount)
sensor size is good (APS-C)
exports RAW files
small screen (2.5")
doesn't have liveview
no image stabilization
low megapixels (8MP)
does not have Timelapse mode
80
you can focus manually
change lenses (Pentax KAF2 mount)
screen is a decent size (3.2 inch)
image stabilization (Sensor based)
high MP (26MP)
good sensor size (APS-C)
does not have anti aliasing filter
above average ISO range (1,600,000)
saves RAW formats
environment sealing
two card slots
not so great battery (800 CIPA)
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Vlogging Comparison

Canon 30D Vlogging highlights
Pentax K-3 III Vlogging highlights
9
no video
35
touchscreen
image stabilization (Sensor based)
has face detect focus
high quality video (3840 x 2160 pxls)
comes with microphone socket
screen is not selfie friendly
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Canon 30D vs Pentax K-3 III Specifications

Detailed spec comparison table for Canon 30D and Pentax K-3 III
 Canon EOS 30DPentax K-3 Mark III
General Information
Brand Name Canon Pentax
Model type Canon EOS 30D Pentax K-3 Mark III
Category Advanced DSLR Advanced DSLR
Released 2006-04-04 2021-03-31
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 22.5 x 15mm 23 x 15.5mm
Sensor surface area 337.5mm² 356.5mm²
Sensor resolution 8 megapixels 26 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Maximum resolution 3504 x 2336 6192 x 4128
Maximum native ISO 1600 1600000
Maximum boosted ISO 3200 -
Min native ISO 100 100
RAW data
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 9 101
Cross type focus points - 25
Lens
Lens support Canon EF/EF-S Pentax KAF2
Total lenses 326 156
Focal length multiplier 1.6 1.6
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.5 inch 3.2 inch
Screen resolution 230k dots 1,620k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.56x 0.7x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/8000 seconds
Continuous shooting rate 5.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 12.00 m (ISO 100) no built-in flash
Flash modes Auto, On, Red-eye reduction, Off 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
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/250 seconds 1/200 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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
Maximum video resolution None 3840x2160
Video format - MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 784 grams (1.73 lbs) 820 grams (1.81 lbs)
Physical dimensions 144 x 106 x 74mm (5.7" x 4.2" x 2.9") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO All around rating 59 not tested
DXO Color Depth rating 21.5 not tested
DXO Dynamic range rating 10.8 not tested
DXO Low light rating 736 not tested
Other
Battery life - 800 images
Battery type - Battery Pack
Battery ID - D-LI90
Self timer Yes (10 sec (2 sec with mirror lock-up)) Yes
Time lapse feature
Storage type Compact Flash (Type I or II) Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Card slots Single Dual
Launch cost $773 $1,999