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Canon 550D vs Pentax K100D S

Portability
70
Imaging
58
Features
63
Overall
60
Canon EOS 550D front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Canon 550D vs Pentax K100D S Key Specs

Canon 550D
(Full Review)
  • 18MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400 (Raise to 12800)
  • 1920 x 1080 video
  • Canon EF/EF-S Mount
  • 530g - 129 x 98 x 62mm
  • Introduced April 2010
  • Alternative Name is EOS Rebel T2i / EOS Kiss X4
  • Superseded the Canon 500D
  • Successor is Canon 600D
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Launched June 2007
  • Earlier Model is Pentax K100D
  • Successor is Pentax K200D
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Canon 550D vs Pentax K100D S Overview

Its time to examine more closely at the Canon 550D vs Pentax K100D S, both Entry-Level DSLR digital cameras by brands Canon and Pentax. There is a noticeable difference between the image resolutions of the 550D (18MP) and K100D S (6MP) but they come with the exact same sensor sizes (APS-C).

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The 550D was launched 2 years later than the K100D S and that is quite a sizable difference as far as tech is concerned. Both the cameras come with the identical body type (Compact SLR).

Before diving straight into a complete comparison, below is a concise highlight of how the 550D scores vs the K100D S with regards to portability, imaging, features and an overall grade.

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Reasons to pick Canon 550D over the Pentax K100D S

 550D K100D S 
LaunchedApril 2010June 2007More recent by 34 months
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1040k210kCrisper screen (+830k dot)

Reasons to pick Pentax K100D S over the Canon 550D

 K100D S 550D 

Common features in the Canon 550D and Pentax K100D S

 550D K100D S 
Focus manually More exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen
Touch screen Neither contains Touch screen

Canon 550D vs Pentax K100D S Physical Comparison

When you are aiming to lug around your camera frequently, you need to consider its weight and size. The Canon 550D has got outer 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) and the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Contrast the Canon 550D vs Pentax K100D S in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you are employing during that time. Underneath is the front view over all size comparison of the 550D compared to the K100D S.

Canon 550D vs Pentax K100D S size comparison

Factoring in size and weight, the portability rating of the 550D and K100D S is 70 and 65 respectively.

Canon 550D vs Pentax K100D S top view buttons comparison

Canon 550D vs Pentax K100D S Sensor Comparison

Generally, it can be tough to picture the difference between sensor measurements only by checking specifications. The graphic below should provide you a better sense of the sensor dimensions in the 550D and K100D S.

To sum up, both of those cameras have got the exact same sensor measurements albeit different MP. You can count on the Canon 550D to give greater detail utilizing its extra 12 Megapixels. Higher resolution will help you crop photographs much more aggressively. The more modern 550D provides an advantage in sensor innovation.

Canon 550D vs Pentax K100D S sensor size comparison

Canon 550D vs Pentax K100D S Screen and ViewFinder

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

Portrait Comparison

Canon 550D Portrait photography features
Pentax K100D S Portrait photography features
74
has manual focus
megapixel count good (18 megapixels)
sensor size is good (APS-C)
includes face detect autofocus
supports RAW files
51
focusing manually
sensor size is nice (APS-C)
saves RAW files
doesn't have liveview
low MP (6 megapixels)
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Street Comparison

Canon 550D Street photography advice
Pentax K100D S Street photography advice
60
sensor size is good (APS-C)
supports RAW files
screen is fixed
does not have image stabilization
64
has image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
screen does not articulate
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Sports Comparison

Canon 550D as a Sports photography camera
Pentax K100D S as a Sports photography camera
54
megapixel count good (18MP)
sensor size is good (APS-C)
comes with phase detect autofocus
painfully slow continuous shooting (4.0 frames per second)
does not have image stabilization
bad battery pack (470 shots)
47
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports phase detect autofocus
doesn't have liveview
very slow continuous shooting (3.0 frames/s)
low MP (6 megapixels)
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Travel Comparison

Travel photography with Canon 550D
Travel photography with Pentax K100D S
55
megapixel count good (18 megapixels)
flash built-in
no Timelapse mode
bad battery pack (470 per charge)
does not contain selfie friendly display
45
has built in flash
does not have Time Lapse function
low MP (6MP)
doesn't posses selfie friendly display
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Landscape Comparison

Canon 550D as a Landscape photography camera
Pentax K100D S as a Landscape photography camera
63
has manual focus
switch lenses (Canon EF/EF-S mount)
screen size is good (3")
megapixel count good (18 megapixels)
sensor size is good (APS-C)
supports RAW files
does not have image stabilization
bad battery pack (470 per charge)
no Timelapse mode
52
focusing manually
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
small screen (2.5 inch)
doesn't have liveview
low MP (6MP)
does not have Time Lapse function
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Vlogging Comparison

Canon 550D as a Vlogging camera
Pentax K100D S as a Vlogging camera
31
includes face detect autofocus
high res video (1920 x 1080 pixels)
does have microphone port
does not contain selfie friendly display
does not have image stabilization
9
can't shoot video
Photography Glossary

Canon 550D vs Pentax K100D S Specifications

Detailed spec comparison table for Canon 550D and Pentax K100D S
 Canon EOS 550DPentax K100D Super
General Information
Make Canon Pentax
Model Canon EOS 550D Pentax K100D Super
Also called as EOS Rebel T2i / EOS Kiss X4 -
Category Entry-Level DSLR Entry-Level DSLR
Introduced 2010-04-01 2007-06-28
Physical type Compact SLR Compact SLR
Sensor Information
Processor Chip 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 megapixel 6 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Maximum resolution 5184 x 3456 3008 x 2008
Maximum native ISO 6400 3200
Maximum boosted ISO 12800 -
Minimum native ISO 100 200
RAW format
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 9 11
Lens
Lens mounting type Canon EF/EF-S Pentax KAF2
Total lenses 326 151
Focal length multiplier 1.6 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 2.5 inch
Resolution of display 1,040k dots 210k dots
Selfie friendly
Liveview
Touch capability
Display 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
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/4000s
Continuous shooting rate 4.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 13.00 m -
Flash options Auto, On, Off, Red-eye Auto, On, Off, Red-eye reduction
External flash
AE bracketing
WB bracketing
Maximum flash synchronize 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) -
Maximum video resolution 1920x1080 None
Video data format H.264 -
Mic port
Headphone port
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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 530 grams (1.17 lb) 646 grams (1.42 lb)
Dimensions 129 x 98 x 62mm (5.1" x 3.9" x 2.4") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO All around 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 images -
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 shooting
Type of storage SD/SDHC/SDXC SD/SDHC card
Card slots One One
Retail cost $599 $520