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Canon 10D vs Pentax K-3 III

Portability
56
Imaging
43
Features
36
Overall
40
Canon EOS 10D front
 
Pentax K-3 Mark III front
Portability
58
Imaging
72
Features
86
Overall
77

Canon 10D vs Pentax K-3 III Key Specs

Canon 10D
(Full Review)
  • 6MP - APS-C Sensor
  • 1.8" Fixed Screen
  • ISO 100 - 1600 (Raise to 3200)
  • No Video
  • Canon EF Mount
  • 875g - 150 x 107 x 75mm
  • Announced March 2003
  • Replacement is Canon 20D
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 Maximum Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Introduced March 2021
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Canon 10D vs Pentax K-3 III Overview

Here is a detailed review of the Canon 10D and Pentax K-3 III, both Advanced DSLR digital cameras by rivals Canon and Pentax. There exists a large gap between the image resolutions of the 10D (6MP) and K-3 III (26MP) but both cameras offer the identical sensor dimensions (APS-C).

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The 10D was revealed 19 years before the K-3 III and that is quite a serious difference as far as technology is concerned. Each of the cameras feature the same body design (Mid-size SLR).

Before going right into a detailed comparison, here is a quick view of how the 10D matches up vs the K-3 III when considering portability, imaging, features and an overall rating.

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Reasons to pick Canon 10D over the Pentax K-3 III

 10D K-3 III 

Reasons to pick Pentax K-3 III over the Canon 10D

 K-3 III 10D 
IntroducedMarch 2021March 2003Fresher by 219 months
Display size3.2"1.8"Larger display (+1.4")
Display resolution1620k118kCrisper display (+1502k dot)
Touch friendly display Easily navigate

Common features in the Canon 10D and Pentax K-3 III

 10D K-3 III 
Manually focus Dial accurate focus
Display typeFixed Fixed Fixed display
Selfie screen No selfie screen

Canon 10D vs Pentax K-3 III Physical Comparison

For those who are going to carry your camera often, you're going to have to think about its weight and measurements. The Canon 10D has external measurements of 150mm x 107mm x 75mm (5.9" x 4.2" x 3.0") having a weight of 875 grams (1.93 lbs) whilst the Pentax K-3 III has proportions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") along with a weight of 820 grams (1.81 lbs).

Look at the Canon 10D and Pentax K-3 III in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ depending on the lens you are working with at that moment. Following is a front view physical size comparison of the 10D compared to the K-3 III.

Canon 10D vs Pentax K-3 III size comparison

Using dimensions and weight, the portability score of the 10D and K-3 III is 56 and 58 respectively.

Canon 10D vs Pentax K-3 III top view buttons comparison

Canon 10D vs Pentax K-3 III Sensor Comparison

More often than not, it is very difficult to picture the difference between sensor sizing only by reading through a spec sheet. The photograph below might give you a stronger sense of the sensor measurements in the 10D and K-3 III.

Clearly, both cameras feature the identical sensor size but different resolution. You can expect to see the Pentax K-3 III to give more detail because of its extra 20 Megapixels. Greater resolution will enable you to crop pics way more aggressively. The older 10D is going to be disadvantaged when it comes to sensor technology.

Canon 10D vs Pentax K-3 III sensor size comparison

Canon 10D vs Pentax K-3 III Screen and ViewFinder

Canon 10D vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon 10D
Portrait photography with Pentax K-3 III
49
you can focus manually
good sensor size (APS-C)
saves RAW files
does not have liveview
resolution not great (6MP)
83
manual focus
amazing megapixels (26MP)
sensor size is decent (APS-C)
includes face detection autofocus
delivers RAW files
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Street Comparison

Canon 10D Street photography highlights
Pentax K-3 III Street photography highlights
51
good sensor size (APS-C)
saves RAW files
screen is fixed
no image stabilization
71
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
provides focus by touch
environment proofing
good ISO range (1,600,000)
no moving screen
Photography Glossary

Sports Comparison

Canon 10D as a Sports photography camera
Pentax K-3 III as a Sports photography camera
38
good sensor size (APS-C)
has phase detect auto focus
does not have liveview
max fps low (3.0 fps)
no image stabilization
resolution not great (6MP)
79
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
amazing megapixels (26MP)
sensor size is decent (APS-C)
includes tracking autofocus
environment proofing
comes with phase detect autofocus
bad battery life (800 shots)
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Travel Comparison

Canon 10D Travel photography highlights
Pentax K-3 III Travel photography highlights
41
flash built-in
missing Time Lapse mode
resolution not great (6MP)
doesn't have a selfie friendly display
64
environment proofing
connects via bluetooth
provides focus by touch
amazing megapixels (26 megapixels)
bad battery life (800 shots)
screen isn't selfie friendly
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Landscape Comparison

Canon 10D as a Landscape photography camera
Pentax K-3 III as a Landscape photography camera
45
you can focus manually
switch lenses (Canon EF mount)
good sensor size (APS-C)
saves RAW files
screen is small (1.8 inches)
does not have liveview
no image stabilization
resolution not great (6 megapixels)
missing Time Lapse mode
80
manual focus
swap lenses (Pentax KAF2 mount)
screen size is decent (3.2")
built in image stabilization (Sensor based)
amazing megapixels (26 megapixels)
sensor size is decent (APS-C)
does not have anti aliasing filter
good ISO range (1,600,000)
delivers RAW files
environment proofing
has dual storage slots
bad battery life (800 shots)
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Vlogging Comparison

Vlogging with Canon 10D
Vlogging with Pentax K-3 III
9
can't record video
35
touchscreen
built in image stabilization (Sensor based)
includes face detection autofocus
video res high (3840 x 2160 pxls)
does have external microphone jack
screen isn't selfie friendly
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Canon 10D vs Pentax K-3 III Specifications

Detailed spec comparison table for Canon 10D and Pentax K-3 III
 Canon EOS 10DPentax K-3 Mark III
General Information
Company Canon Pentax
Model Canon EOS 10D Pentax K-3 Mark III
Class Advanced DSLR Advanced DSLR
Announced 2003-03-31 2021-03-31
Body design Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 22.7 x 15.1mm 23 x 15.5mm
Sensor area 342.8mm² 356.5mm²
Sensor resolution 6MP 26MP
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 3072 x 2048 6192 x 4128
Highest native ISO 1600 1600000
Highest enhanced ISO 3200 -
Minimum native ISO 100 100
RAW images
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 7 101
Cross focus points - 25
Lens
Lens mounting type Canon EF Pentax KAF2
Number of lenses 250 156
Focal length multiplier 1.6 1.6
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 1.8 inches 3.2 inches
Resolution of screen 118k dot 1,620k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.55x 0.7x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Continuous shutter speed 3.0fps 12.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range 12.00 m (ISO 100) no built-in flash
Flash options 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
AEB
WB bracketing
Fastest flash sync 1/200 secs 1/200 secs
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
Highest video resolution None 3840x2160
Video data format - MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 875 grams (1.93 pounds) 820 grams (1.81 pounds)
Physical dimensions 150 x 107 x 75mm (5.9" x 4.2" x 3.0") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO Overall score 57 not tested
DXO Color Depth score 21.1 not tested
DXO Dynamic range score 10.9 not tested
DXO Low light score 571 not tested
Other
Battery life - 800 images
Form of battery - Battery Pack
Battery model - D-LI90
Self timer Yes (10 sec (2 sec with mirror lock-up)) Yes
Time lapse feature
Storage media Compact Flash (Type I or II) Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Storage slots 1 2
Launch cost $1,900 $1,999