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Olympus 550WP vs Pentax K-r

Portability
94
Imaging
33
Features
17
Overall
26
Olympus Stylus 550WP front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Olympus 550WP vs Pentax K-r Key Specs

Olympus 550WP
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.5" Fixed Screen
  • ISO 64 - 1600
  • Digital Image Stabilization
  • 640 x 480 video
  • 38-114mm (F3.5-5.0) lens
  • 167g - 94 x 62 x 22mm
  • Launched January 2009
  • Additionally referred to as mju 550WP
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Launched March 2011
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Olympus 550WP vs Pentax K-r Overview

The following is a in-depth overview of the Olympus 550WP vs Pentax K-r, one is a Small Sensor Compact and the other is a Entry-Level DSLR by manufacturers Olympus and Pentax. The resolution of the 550WP (10MP) and the K-r (12MP) is very well matched but the 550WP (1/2.3") and K-r (APS-C) have totally different sensor dimensions.

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The 550WP was announced 3 years prior to the K-r which is quite a large gap as far as tech is concerned. The two cameras have different body design with the Olympus 550WP being a Compact camera and the Pentax K-r being a Compact SLR camera.

Before diving straight to a more detailed comparison, here is a simple summary of how the 550WP matches up vs the K-r in regards to portability, imaging, features and an overall mark.

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Reasons to pick Olympus 550WP over the Pentax K-r

 550WP K-r 

Reasons to pick Pentax K-r over the Olympus 550WP

 K-r 550WP 
LaunchedMarch 2011January 2009Newer by 26 months
Manually focus More precise focus
Display dimensions3"2.5"Larger display (+0.5")
Display resolution921k230kSharper display (+691k dot)

Common features in the Olympus 550WP and Pentax K-r

 550WP K-r 
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch friendly display Absent Touch friendly display

Olympus 550WP vs Pentax K-r Physical Comparison

For anybody who is planning to travel with your camera regularly, you will have to take into account its weight and dimensions. The Olympus 550WP provides exterior measurements of 94mm x 62mm x 22mm (3.7" x 2.4" x 0.9") and a weight of 167 grams (0.37 lbs) whilst the Pentax K-r has dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") along with a weight of 598 grams (1.32 lbs).

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Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that time. Following is a front view measurement comparison of the 550WP and the K-r.

Olympus 550WP vs Pentax K-r size comparison

Taking into account size and weight, the portability score of the 550WP and K-r is 94 and 67 respectively.

Olympus 550WP vs Pentax K-r top view buttons comparison

Olympus 550WP vs Pentax K-r Sensor Comparison

Generally, its difficult to visualise the contrast between sensor dimensions simply by reading through a spec sheet. The image underneath might give you a much better sense of the sensor sizing in the 550WP and K-r.

As you can see, both the cameras provide different resolutions and different sensor dimensions. The 550WP having a tinier sensor will make shooting shallow DOF trickier and the Pentax K-r will give more detail with its extra 2 Megapixels. Greater resolution will make it easier to crop images more aggressively. The more aged 550WP is going to be disadvantaged with regard to sensor technology.

Olympus 550WP vs Pentax K-r sensor size comparison

Olympus 550WP vs Pentax K-r Screen and ViewFinder

Olympus 550WP vs Pentax K-r Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus 550WP Portrait photography details
Pentax K-r Portrait photography details
19
lack of manual focus
manual mode not available
can't use external flash
sensor resolution not great (10 megapixels)
tiny sensor (1/2.3")
doesn't have RAW support
63
focusing manually
nice sensor size (APS-C)
offers face detect autofocus
delivers RAW files
low megapixels (12 megapixels)
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Street Comparison

Street photography with Olympus 550WP
Street photography with Pentax K-r
61
image stabilization (Digital)
environment proofing
fixed screen
tiny sensor (1/2.3")
doesn't have RAW support
67
image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
no moving screen
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Sports Comparison

Olympus 550WP Sports photography info
Pentax K-r Sports photography info
30
image stabilization (Digital)
environment proofing
low maximum shutter speed (1/1,000 seconds)
no shutter priority
sensor resolution not great (10MP)
tiny sensor (1/2.3")
doesn't have phase detect autofocus
55
great max shutter speed (1/6,000s)
image stabilization (Sensor based)
nice sensor size (APS-C)
sensor has phase detect autofocus
very slow continuous shooting (6.0 frames/s)
low megapixels (12MP)
not so great battery life (470 per charge)
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Travel Comparison

Olympus 550WP Travel photography features
Pentax K-r Travel photography features
55
environment proofing
has built in flash
missing Timelapse mode
sensor resolution not great (10 megapixels)
screen is not selfie friendly
wide angle not the best (38mm)
slow maximum aperture (f3.5)
47
flash built-in
not so great battery life (470 CIPA)
low megapixels (12 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Olympus 550WP as a Landscape photography camera
Pentax K-r as a Landscape photography camera
30
image stabilization (Digital)
environment proofing
lack of manual focus
fixed lens (fixed lens mount)
wide angle not the best (38mm)
slow maximum aperture (f3.5)
screen is somewhat small (2.5 inch)
manual mode not available
sensor resolution not great (10MP)
tiny sensor (1/2.3")
doesn't have RAW support
missing Timelapse mode
65
focusing manually
swap lenses (Pentax KAF2 mount)
pretty good screen size (3 inch)
image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
low megapixels (12MP)
not so great battery life (470 per charge)
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Vlogging Comparison

Olympus 550WP Vlogging factors
Pentax K-r Vlogging factors
25
image stabilization (Digital)
wide angle not the best (38mm)
slow maximum aperture (f3.5)
screen is not selfie friendly
low res video (640 x 480 resolution)
missing microphone support
26
image stabilization (Sensor based)
offers face detect autofocus
screen isn't selfie friendly
low quality video (1280 x 720 resolution)
doesn't have mic support
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Olympus 550WP vs Pentax K-r Specifications

Detailed spec comparison table for Olympus 550WP and Pentax K-r
 Olympus Stylus 550WPPentax K-r
General Information
Manufacturer Olympus Pentax
Model Olympus Stylus 550WP Pentax K-r
Also called as mju 550WP -
Type Small Sensor Compact Entry-Level DSLR
Launched 2009-01-07 2011-03-11
Physical type Compact Compact SLR
Sensor Information
Processor - Prime II
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 23.6 x 15.8mm
Sensor surface area 27.7mm² 372.9mm²
Sensor resolution 10 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 16:9, 4:3 and 3:2 3:2
Peak resolution 3648 x 2736 4288 x 2848
Highest native ISO 1600 12800
Highest enhanced ISO - 25600
Min native ISO 64 200
RAW files
Min enhanced ISO - 100
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points - 11
Cross focus points - 9
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 38-114mm (3.0x) -
Largest aperture f/3.5-5.0 -
Macro focus range 7cm -
Available lenses - 151
Focal length multiplier 5.9 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 2.5 inches 3 inches
Resolution of screen 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch operation
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Minimum shutter speed 4s 30s
Fastest shutter speed 1/1000s 1/6000s
Continuous shutter rate - 6.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom white balance
Image stabilization
Built-in flash
Flash range - 12.00 m (at ISO 100)
Flash options Auto, Fill-in, Red-Eye reduction, Off, On Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
External flash
AEB
WB bracketing
Fastest flash synchronize - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1280 x 720 (25 fps), 640 x 480 (25 fps)
Highest video resolution 640x480 1280x720
Video data format Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 167 grams (0.37 lbs) 598 grams (1.32 lbs)
Physical dimensions 94 x 62 x 22mm (3.7" x 2.4" x 0.9") 125 x 97 x 68mm (4.9" x 3.8" x 2.7")
DXO scores
DXO Overall score not tested 72
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 755
Other
Battery life - 470 photos
Type of battery - Battery Pack
Battery model - D-LI109,4 x AA
Self timer Yes (12 seconds) Yes (2 or 12 sec)
Time lapse shooting
Type of storage xD-Picture Card, microSD, internal SD/SDHC
Card slots One One
Pricing at release $399 $1,100