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Canon 550D vs Pentax K100D

Portability
70
Imaging
58
Features
63
Overall
60
Canon EOS 550D front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Canon 550D vs Pentax K100D Key Specs

Canon 550D
(Full Review)
  • 18MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400 (Bump to 12800)
  • 1920 x 1080 video
  • Canon EF/EF-S Mount
  • 530g - 129 x 98 x 62mm
  • Announced April 2010
  • Alternative Name is EOS Rebel T2i / EOS Kiss X4
  • Previous Model is Canon 500D
  • Refreshed by Canon 600D
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Released December 2006
  • Replacement is Pentax K100D S
Photography Glossary

Canon 550D vs Pentax K100D Overview

Let's take a more detailed look at the Canon 550D and Pentax K100D, both Entry-Level DSLR cameras by companies Canon and Pentax. There exists a large gap among the resolutions of the 550D (18MP) and K100D (6MP) but they possess the exact same sensor dimensions (APS-C).

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The 550D was revealed 3 years after the K100D which is a fairly serious difference as far as camera technology is concerned. Both of these cameras come with the identical body type (Compact SLR).

Before going in to a in depth comparison, below is a brief view of how the 550D scores versus the K100D when considering portability, imaging, features and an overall score.

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Reasons to pick Canon 550D over the Pentax K100D

 550D K100D 
ReleasedApril 2010December 2006More modern by 41 months
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1040k210kCrisper screen (+830k dot)

Reasons to pick Pentax K100D over the Canon 550D

 K100D 550D 

Common features in the Canon 550D and Pentax K100D

 550D K100D 
Manual focus Very accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch screen Absent Touch screen

Canon 550D vs Pentax K100D Physical Comparison

If you are going to carry around your camera regularly, you need to consider its weight and volume. The Canon 550D offers outside dimensions of 129mm x 98mm x 62mm (5.1" x 3.9" x 2.4") accompanied by a weight of 530 grams (1.17 lbs) while the Pentax K100D has sizing of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs).

Contrast the Canon 550D and Pentax K100D in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary dependant on the lens you select at that moment. Underneath is the front view measurement comparison of the 550D compared to the K100D.

Canon 550D vs Pentax K100D size comparison

Taking into consideration dimensions and weight, the portability score of the 550D and K100D is 70 and 64 respectively.

Canon 550D vs Pentax K100D top view buttons comparison

Canon 550D vs Pentax K100D Sensor Comparison

Quite often, it is tough to see the gap in sensor sizes just by looking through specifications. The picture underneath will provide you a far better sense of the sensor sizes in the 550D and K100D.

Plainly, each of the cameras posses the exact same sensor measurements albeit not the same resolution. You can count on the Canon 550D to result in more detail because of its extra 12MP. Higher resolution will also make it easier to crop pictures somewhat more aggressively. The more modern 550D will have an advantage in sensor innovation.

Canon 550D vs Pentax K100D sensor size comparison

Canon 550D vs Pentax K100D Screen and ViewFinder

Canon 550D vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 550D as a Portrait photography camera
Pentax K100D as a Portrait photography camera
74
manual focus
good MP (18 megapixels)
sensor size is good (APS-C)
offers face detection focusing
supports RAW formats
51
manual focus
sensor size is good (APS-C)
delivers RAW files
no liveview
low megapixels (6 megapixels)
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Street Comparison

Canon 550D Street photography advice
Pentax K100D Street photography advice
60
sensor size is good (APS-C)
supports RAW formats
screen does not articulate
no image stabilization
58
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
fixed screen
heavier than competitors (660g)
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Sports Comparison

Sports photography with Canon 550D
Sports photography with Pentax K100D
54
good MP (18MP)
sensor size is good (APS-C)
supports phase detect AF
slow continuous shooting (4.0 fps)
no image stabilization
low battery pack (470 CIPA)
47
image stabilization (Sensor based)
sensor size is good (APS-C)
supports phase detect AF
no liveview
max frames per second low (3.0 frames/s)
low megapixels (6 megapixels)
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Travel Comparison

Canon 550D Travel photography highlights
Pentax K100D Travel photography highlights
55
good MP (18 megapixels)
built-in flash
lack of Timelapse mode
low battery pack (470 shots)
display is not selfie friendly
42
flash built-in
doesn't have Time Lapse recording
heavier than competitors (660g)
low megapixels (6 megapixels)
does not feature selfie friendly screen
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Landscape Comparison

Canon 550D Landscape photography details
Pentax K100D Landscape photography details
63
manual focus
switch lenses (Canon EF/EF-S mount)
nice screen size (3 inches)
good MP (18 megapixels)
sensor size is good (APS-C)
supports RAW formats
no image stabilization
low battery pack (470 shots)
lack of Timelapse mode
52
manual focus
swap lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
tiny screen (2.5")
no liveview
low megapixels (6 megapixels)
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Canon 550D
Vlogging with Pentax K100D
31
offers face detection focusing
high res video (1920 x 1080 pixels)
comes with external microphone port
display is not selfie friendly
no image stabilization
9
can't shoot video
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Canon 550D vs Pentax K100D Specifications

Detailed spec comparison table for Canon 550D and Pentax K100D
 Canon EOS 550DPentax K100D
General Information
Company Canon Pentax
Model Canon EOS 550D Pentax K100D
Also called as EOS Rebel T2i / EOS Kiss X4 -
Category Entry-Level DSLR Entry-Level DSLR
Announced 2010-04-01 2006-12-03
Body design Compact SLR Compact SLR
Sensor Information
Processor Digic 4 -
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor dimensions 22.3 x 14.9mm 23.5 x 15.7mm
Sensor surface area 332.3mm² 369.0mm²
Sensor resolution 18 megapixels 6 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 5184 x 3456 3008 x 2008
Highest native ISO 6400 3200
Highest enhanced ISO 12800 -
Minimum native ISO 100 200
RAW support
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 11
Lens
Lens mount Canon EF/EF-S Pentax KAF
Available lenses 326 151
Crop factor 1.6 1.5
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inches 2.5 inches
Screen resolution 1,040k dot 210k dot
Selfie friendly
Liveview
Touch friendly
Screen technology TFT color liquid-crystal LCD -
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95 percent 96 percent
Viewfinder magnification 0.55x 0.57x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/4000s 1/4000s
Continuous shutter speed 4.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 13.00 m -
Flash modes Auto, On, Off, Red-eye Auto, On, Off, Red-eye reduction
External flash
AE bracketing
WB bracketing
Fastest flash sync 1/200s 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30, 25, 24 fps), 1280 x 720 (60, 50 fps), 640 x 480 (60, 50 fps) -
Highest video resolution 1920x1080 None
Video file format H.264 -
Mic jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 530 grams (1.17 pounds) 660 grams (1.46 pounds)
Dimensions 129 x 98 x 62mm (5.1" x 3.9" x 2.4") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO Overall score 66 not tested
DXO Color Depth score 22.0 not tested
DXO Dynamic range score 11.6 not tested
DXO Low light score 807 not tested
Other
Battery life 470 photographs -
Type of battery Battery Pack -
Battery model LP-E8 4 x AA
Self timer Yes (2 sec or 10 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/MMC card
Storage slots One One
Cost at release $599 $0