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Pentax K-r vs Pentax W90

Portability
67
Imaging
53
Features
52
Overall
52
Pentax K-r front
 
Pentax Optio W90 front
Portability
94
Imaging
35
Features
21
Overall
29

Pentax K-r vs Pentax W90 Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Launched March 2011
Pentax W90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 164g - 108 x 59 x 25mm
  • Introduced February 2010
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Pentax K-r vs Pentax W90 Overview

Following is a in depth assessment of the Pentax K-r vs Pentax W90, former is a Entry-Level DSLR while the latter is a Waterproof and both are designed by Pentax. The resolution of the K-r (12MP) and the W90 (12MP) is pretty similar but the K-r (APS-C) and W90 (1/2.3") feature totally different sensor sizing.

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The K-r was announced 13 months after the W90 which makes the cameras a generation away from each other. Both of the cameras come with different body type with the Pentax K-r being a Compact SLR camera and the Pentax W90 being a Compact camera.

Before we go straight into a more detailed comparison, below is a concise view of how the K-r scores vs the W90 with regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-r over the Pentax W90

 K-r W90 
IntroducedMarch 2011February 2010More modern by 13 months
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution921k230kSharper screen (+691k dot)

Reasons to pick Pentax W90 over the Pentax K-r

 W90 K-r 

Common features in the Pentax K-r and Pentax W90

 K-r W90 
Focus manually Dial precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither offers selfie screen
Touch screen Missing Touch screen

Pentax K-r vs Pentax W90 Physical Comparison

In case you're planning to carry around your camera frequently, you will have to consider its weight and dimensions. The Pentax K-r offers outer measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") accompanied by a weight of 598 grams (1.32 lbs) while the Pentax W90 has dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs).

Look at the Pentax K-r vs Pentax W90 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will differ dependant on the lens you select at that time. Underneath is the front view dimensions comparison of the K-r against the W90.

Pentax K-r vs Pentax W90 size comparison

Taking into consideration size and weight, the portability grade of the K-r and W90 is 67 and 94 respectively.

Pentax K-r vs Pentax W90 top view buttons comparison

Pentax K-r vs Pentax W90 Sensor Comparison

Oftentimes, it is difficult to visualise the difference between sensor sizes only by reviewing technical specs. The picture here might give you a greater sense of the sensor measurements in the K-r and W90.

As you have seen, the 2 cameras have got the exact same resolution albeit not the same sensor sizes. The K-r contains the bigger sensor which will make obtaining shallow DOF easier. The newer K-r will have a benefit when it comes to sensor innovation.

Pentax K-r vs Pentax W90 sensor size comparison

Pentax K-r vs Pentax W90 Screen and ViewFinder

Pentax K-r vs Pentax W90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography advice
Pentax W90 Portrait photography advice
63
manual focus
sensor size is nice (APS-C)
offers face detect focusing
delivers RAW formats
low megapixels (12 megapixels)
27
manual focus
manual exposure not available
external flash not possible
sensor resolution low (12MP)
small sensor (1/2.3")
does not have RAW format
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Street Comparison

Pentax K-r Street photography advice
Pentax W90 Street photography advice
67
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
no moving screen
54
environment proofing
screen is fixed
does not have image stabilization
small sensor (1/2.3")
does not have RAW format
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Sports Comparison

Pentax K-r as a Sports photography camera
Pentax W90 as a Sports photography camera
55
maximum shutter speed is high (1/6,000 seconds)
image stabilization (Sensor based)
sensor size is nice (APS-C)
has phase detect AF
continuous shooting slow (6.0 fps)
low megapixels (12 megapixels)
bad battery life (470 per charge)
24
environment proofing
max fps low (1.0 fps)
no shutter priority mode
does not have image stabilization
sensor resolution low (12 megapixels)
small sensor (1/2.3")
does not have phase detect AF
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Travel Comparison

Travel photography with Pentax K-r
Travel photography with Pentax W90
47
flash built-in
bad battery life (470 per charge)
low megapixels (12 megapixels)
screen is not selfie friendly
64
environment proofing
built-in flash
pretty wide (28mm)
sensor resolution low (12 megapixels)
does not have a selfie friendly screen
slow maximum aperture (f3.5)
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Landscape Comparison

Pentax K-r Landscape photography info
Pentax W90 Landscape photography info
65
manual focus
change lenses (Pentax KAF2 mount)
decent sized screen (3 inches)
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
low megapixels (12 megapixels)
bad battery life (470 CIPA)
37
manual focus
pretty wide (28mm)
environment proofing
cannot switch lenses (fixed lens mount)
slow maximum aperture (f3.5)
screen is somewhat small (2.7")
manual exposure not available
does not have image stabilization
sensor resolution low (12MP)
small sensor (1/2.3")
does not have RAW format
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Vlogging Comparison

Vlogging with Pentax K-r
Vlogging with Pentax W90
26
image stabilization (Sensor based)
offers face detect focusing
screen is not selfie friendly
low quality video (1280 x 720 resolution)
does not have mic socket
25
pretty wide (28mm)
slow maximum aperture (f3.5)
does not have a selfie friendly screen
does not have image stabilization
low video resolution (1280 x 720 resolution)
lack of mic support
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Pentax K-r vs Pentax W90 Specifications

Detailed spec comparison table for Pentax K-r and Pentax W90
 Pentax K-rPentax Optio W90
General Information
Company Pentax Pentax
Model Pentax K-r Pentax Optio W90
Category Entry-Level DSLR Waterproof
Launched 2011-03-11 2010-02-24
Physical type Compact SLR Compact
Sensor Information
Processor Prime II Prime
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.6 x 15.8mm 6.17 x 4.55mm
Sensor area 372.9mm² 28.1mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Max resolution 4288 x 2848 4000 x 3000
Max native ISO 12800 6400
Max enhanced ISO 25600 -
Minimum native ISO 200 80
RAW pictures
Minimum enhanced ISO 100 -
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 11 9
Cross focus points 9 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 28-140mm (5.0x)
Maximal aperture - f/3.5-5.5
Macro focus distance - 1cm
Available lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 3" 2.7"
Resolution of screen 921k dots 230k dots
Selfie friendly
Liveview
Touch display
Screen technology TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.57x -
Features
Min shutter speed 30s 4s
Max shutter speed 1/6000s 1/1500s
Continuous shutter rate 6.0fps 1.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) 3.90 m
Flash settings Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize 1/180s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 1280x720
Video format Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 598 gr (1.32 lb) 164 gr (0.36 lb)
Dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 108 x 59 x 25mm (4.3" x 2.3" x 1.0")
DXO scores
DXO Overall score 72 not tested
DXO Color Depth score 22.9 not tested
DXO Dynamic range score 12.4 not tested
DXO Low light score 755 not tested
Other
Battery life 470 photos -
Battery style Battery Pack -
Battery model D-LI109,4 x AA D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC SD/SDHC card, Internal
Card slots One One
Launch cost $1,100 $120