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Canon 40D vs Pentax K-3 II

Portability
57
Imaging
49
Features
50
Overall
49
Canon EOS 40D front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Canon 40D vs Pentax K-3 II Key Specs

Canon 40D
(Full Review)
  • 10MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600 (Increase to 3200)
  • 1/8000s Maximum Shutter
  • No Video
  • Canon EF/EF-S Mount
  • 822g - 146 x 108 x 74mm
  • Introduced October 2007
  • Older Model is Canon 30D
  • New Model is Canon 50D
Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Released April 2015
  • Succeeded the Pentax K-3
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Canon 40D vs Pentax K-3 II Overview

Below, we will be matching up the Canon 40D vs Pentax K-3 II, both Advanced DSLR cameras by manufacturers Canon and Pentax. There exists a noticeable gap among the image resolutions of the 40D (10MP) and K-3 II (24MP) but they enjoy the exact same sensor sizes (APS-C).

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The 40D was announced 8 years earlier than the K-3 II and that is a fairly sizable difference as far as camera technology is concerned. Each of the cameras come with the identical body type (Mid-size SLR).

Before getting through a detailed comparison, below is a quick highlight of how the 40D grades versus the K-3 II in the way of portability, imaging, features and an overall rating.

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Reasons to pick Canon 40D over the Pentax K-3 II

 40D K-3 II 

Reasons to pick Pentax K-3 II over the Canon 40D

 K-3 II 40D 
ReleasedApril 2015October 2007Fresher by 91 months
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kClearer screen (+807k dot)

Common features in the Canon 40D and Pentax K-3 II

 40D K-3 II 
Manually focus Very accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch friendly screen No Touch friendly screen

Canon 40D vs Pentax K-3 II Physical Comparison

For those who are aiming to carry your camera regularly, you're going to have to think about its weight and proportions. The Canon 40D offers physical measurements of 146mm x 108mm x 74mm (5.7" x 4.3" x 2.9") along with a weight of 822 grams (1.81 lbs) whilst the Pentax K-3 II has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Compare the Canon 40D vs Pentax K-3 II in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ based on the lens you have at the time. Here is the front view proportions comparison of the 40D versus the K-3 II.

Canon 40D vs Pentax K-3 II size comparison

Considering dimensions and weight, the portability grade of the 40D and K-3 II is 57 and 59 respectively.

Canon 40D vs Pentax K-3 II top view buttons comparison

Canon 40D vs Pentax K-3 II Sensor Comparison

Typically, its hard to see the difference in sensor sizing merely by viewing specs. The visual underneath should give you a better sense of the sensor measurements in the 40D and K-3 II.

All in all, both of the cameras have got the exact same sensor measurements albeit not the same MP. You can count on the Pentax K-3 II to provide you with extra detail with its extra 14MP. Higher resolution will also help you crop photographs much more aggressively. The older 40D will be behind when it comes to sensor technology.

Canon 40D vs Pentax K-3 II sensor size comparison

Canon 40D vs Pentax K-3 II Screen and ViewFinder

Canon 40D vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 40D Portrait photography factors
Pentax K-3 II Portrait photography factors
59
has manual focus
sensor size is nice (APS-C)
delivers RAW files
MP count low (10MP)
79
has manual focus
decent MP (24MP)
sensor size is nice (APS-C)
includes face detect autofocus
exports RAW formats
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Street Comparison

Canon 40D as a Street photography camera
Pentax K-3 II as a Street photography camera
56
sensor size is nice (APS-C)
delivers RAW files
environment sealing
no articulating screen
does not have image stabilization
69
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
weather proof
above average high ISO (51,200)
no moving screen
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Sports Comparison

Canon 40D Sports photography information
Pentax K-3 II Sports photography information
53
great max shutter speed (1/8,000s)
sensor size is nice (APS-C)
environment sealing
has phase detect AF
does not have image stabilization
MP count low (10MP)
not so great battery life (800 CIPA)
76
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
decent MP (24 megapixels)
sensor size is nice (APS-C)
includes tracking focus
weather proof
has phase detect autofocus
not so great battery power (720 CIPA)
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Travel Comparison

Travel photography with Canon 40D
Travel photography with Pentax K-3 II
48
environment sealing
flash built-in
not so great battery life (800 per charge)
MP count low (10MP)
screen isn't selfie friendly
56
weather proof
decent MP (24 megapixels)
not so great battery power (720 CIPA)
doesn't posses selfie friendly screen
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Landscape Comparison

Canon 40D Landscape photography factors
Pentax K-3 II Landscape photography factors
58
has manual focus
change lenses (Canon EF/EF-S mount)
screen is a decent size (3")
sensor size is nice (APS-C)
delivers RAW files
environment sealing
does not have image stabilization
MP count low (10MP)
not so great battery life (800 CIPA)
78
has manual focus
change lenses (Pentax KAF2 mount)
nice screen size (3.2")
built in image stabilization (Sensor based)
decent MP (24MP)
sensor size is nice (APS-C)
doesnt have anti-alias filter
above average high ISO (51,200)
exports RAW formats
weather proof
two card slots
not so great battery power (720 CIPA)
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Vlogging Comparison

Canon 40D Vlogging advice
Pentax K-3 II Vlogging advice
9
no video
34
built in image stabilization (Sensor based)
includes face detect autofocus
high quality video (1920 x 1080 resolution)
has mic socket
doesn't posses selfie friendly screen
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Canon 40D vs Pentax K-3 II Specifications

Detailed spec comparison table for Canon 40D and Pentax K-3 II
 Canon EOS 40DPentax K-3 II
General Information
Make Canon Pentax
Model type Canon EOS 40D Pentax K-3 II
Type Advanced DSLR Advanced DSLR
Introduced 2007-10-24 2015-04-23
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip - Prime III
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 22.2 x 14.8mm 23.5 x 15.6mm
Sensor surface area 328.6mm² 366.6mm²
Sensor resolution 10 megapixel 24 megapixel
Anti alias filter
Aspect ratio 3:2 3:2
Highest resolution 3888 x 2592 6016 x 4000
Highest native ISO 1600 51200
Highest boosted ISO 3200 -
Lowest native ISO 100 100
RAW data
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 9 27
Cross type focus points - 25
Lens
Lens support Canon EF/EF-S Pentax KAF2
Total lenses 326 151
Crop factor 1.6 1.5
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inch 3.2 inch
Screen resolution 230k dots 1,037k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.6x 0.64x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/8000 seconds
Continuous shooting rate 6.5fps 8.3fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 12.00 m (ISO 100) no built-in flash
Flash options Auto, On, Red-eye reduction, Off Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash)
External flash
AEB
WB bracketing
Highest flash synchronize 1/250 seconds 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Highest video resolution None 1920x1080
Video data format - MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless None Optional
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 822 grams (1.81 lb) 800 grams (1.76 lb)
Dimensions 146 x 108 x 74mm (5.7" x 4.3" x 2.9") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around rating 64 80
DXO Color Depth rating 22.1 23.6
DXO Dynamic range rating 11.3 13.6
DXO Low light rating 703 1106
Other
Battery life 800 photographs 720 photographs
Battery type Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage Compact Flash (Type I or II) Dual SD/SDHC/SDXC
Card slots Single 2
Price at launch $1,099 $829