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Casio EX-Z90 vs Pentax W90

Portability
96
Imaging
35
Features
17
Overall
27
Casio Exilim EX-Z90 front
 
Pentax Optio W90 front
Portability
94
Imaging
35
Features
21
Overall
29

Casio EX-Z90 vs Pentax W90 Key Specs

Casio EX-Z90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 1600
  • 1280 x 720 video
  • 35-105mm (F3.1-5.9) lens
  • 121g - 90 x 52 x 19mm
  • Launched August 2009
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
  • Launched February 2010
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Casio EX-Z90 vs Pentax W90 Overview

On this page, we will be evaluating the Casio EX-Z90 versus Pentax W90, former being a Small Sensor Compact while the latter is a Waterproof by competitors Casio and Pentax. The sensor resolution of the EX-Z90 (12MP) and the W90 (12MP) is pretty close and both cameras provide the same sensor measurements (1/2.3").

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The EX-Z90 was launched 6 months before the W90 which means that they are both of a similar age. Both cameras have the same body design (Compact).

Before diving into a comprehensive comparison, here is a short summary of how the EX-Z90 scores vs the W90 in relation to portability, imaging, features and an overall grade.

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Reasons to pick Casio EX-Z90 over the Pentax W90

 EX-Z90 W90 

Reasons to pick Pentax W90 over the Casio EX-Z90

 W90 EX-Z90 

Common features in the Casio EX-Z90 and Pentax W90

 EX-Z90 W90 
LaunchedAugust 2009February 2010Same age
Focus manually Very precise focusing
Screen typeFixed Fixed Fixed screen
Screen dimensions2.7"2.7"Equal screen measurements
Screen resolution230k230kExact same screen resolution
Selfie screen Missing selfie screen
Touch screen Neither provides Touch screen

Casio EX-Z90 vs Pentax W90 Physical Comparison

For those who are planning to lug around your camera regularly, you'll have to take into account its weight and volume. The Casio EX-Z90 provides outside dimensions of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") having a weight of 121 grams (0.27 lbs) whilst the Pentax W90 has sizing of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs).

See the Casio EX-Z90 versus Pentax W90 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary depending on the lens you choose during that time. Underneath is a front view scale comparison of the EX-Z90 and the W90.

Casio EX-Z90 vs Pentax W90 size comparison

Taking into account dimensions and weight, the portability rating of the EX-Z90 and W90 is 96 and 94 respectively.

Casio EX-Z90 vs Pentax W90 top view buttons comparison

Casio EX-Z90 vs Pentax W90 Sensor Comparison

Sometimes, it's difficult to see the difference in sensor measurements just by researching technical specs. The visual here will help give you a clearer sense of the sensor dimensions in the EX-Z90 and W90.

As you have seen, both of these cameras provide the same sensor dimensions and the same MP therefore you can expect comparable quality of files though you have to consider the age of the cameras into account.

Casio EX-Z90 vs Pentax W90 sensor size comparison

Casio EX-Z90 vs Pentax W90 Screen and ViewFinder

Casio EX-Z90 vs Pentax W90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-Z90 Portrait photography highlights
Pentax W90 Portrait photography highlights
27
you can focus manually
manual exposure not available
external flash not possible
low MP (12 megapixels)
sensor is small (1/2.3")
doesn't have RAW format
27
you can focus manually
no manual control
no external flash support
sensor resolution not great (12 megapixels)
tiny sensor (1/2.3")
does not have RAW format
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Street Comparison

Casio EX-Z90 as a Street photography camera
Pentax W90 as a Street photography camera
55
lighter than competition (121g)
fixed screen
lack of image stabilization
sensor is small (1/2.3")
doesn't have RAW format
54
environment proofing
fixed screen
lack of image stabilization
tiny sensor (1/2.3")
does not have RAW format
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Sports Comparison

Sports photography with Casio EX-Z90
Sports photography with Pentax W90
17
lack of shutter priority mode
lack of image stabilization
low MP (12 megapixels)
sensor is small (1/2.3")
doesn't have phase detect auto focus
24
environment proofing
continuous shooting slow (1.0 frames/s)
no shutter priority
lack of image stabilization
sensor resolution not great (12MP)
tiny sensor (1/2.3")
does not have phase detect AF
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Travel Comparison

Travel photography with Casio EX-Z90
Travel photography with Pentax W90
56
lighter than competition (121g)
built-in flash
does not have Timelapse mode
low MP (12 megapixels)
doesn't posses selfie friendly display
wide angle not the best (35mm)
somewhat slow max aperture (f3.1)
64
environment proofing
built-in flash
rather wide (28mm)
sensor resolution not great (12MP)
screen isn't selfie friendly
slow max aperture (f3.5)
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Landscape Comparison

Landscape photography with Casio EX-Z90
Landscape photography with Pentax W90
28
you can focus manually
fixed lens (fixed lens mount)
wide angle not the best (35mm)
somewhat slow max aperture (f3.1)
screen is small (2.7 inches)
manual exposure not available
lack of image stabilization
low MP (12 megapixels)
sensor is small (1/2.3")
doesn't have RAW format
does not have Timelapse mode
37
you can focus manually
rather wide (28mm)
environment proofing
cannot change lenses (fixed lens mount)
slow max aperture (f3.5)
screen is small (2.7")
no manual control
lack of image stabilization
sensor resolution not great (12MP)
tiny sensor (1/2.3")
does not have RAW format
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Vlogging Comparison

Casio EX-Z90 Vlogging advice
Pentax W90 Vlogging advice
25
lighter than competition (121g)
wide angle not the best (35mm)
somewhat slow max aperture (f3.1)
doesn't posses selfie friendly display
lack of image stabilization
video quality not great (1280 x 720 resolution)
does not have microphone socket
25
rather wide (28mm)
slow max aperture (f3.5)
screen isn't selfie friendly
lack of image stabilization
video resolution low (1280 x 720 resolution)
does not have external mic support
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Casio EX-Z90 vs Pentax W90 Specifications

Detailed spec comparison table for Casio EX-Z90 and Pentax W90
 Casio Exilim EX-Z90Pentax Optio W90
General Information
Manufacturer Casio Pentax
Model Casio Exilim EX-Z90 Pentax Optio W90
Type Small Sensor Compact Waterproof
Launched 2009-08-18 2010-02-24
Physical type Compact Compact
Sensor Information
Powered by Digic 4 Prime
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.17 x 4.55mm 6.17 x 4.55mm
Sensor area 28.1mm² 28.1mm²
Sensor resolution 12 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 4000 x 3000 4000 x 3000
Max native ISO 1600 6400
Minimum native ISO 64 80
RAW support
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Single autofocus
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 - 9
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 35-105mm (3.0x) 28-140mm (5.0x)
Largest aperture f/3.1-5.9 f/3.5-5.5
Macro focus range 10cm 1cm
Focal length multiplier 5.8 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7 inch 2.7 inch
Resolution of screen 230k dots 230k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 4 seconds 4 seconds
Maximum shutter speed 1/2000 seconds 1/1500 seconds
Continuous shooting rate - 1.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Set white balance
Image stabilization
Inbuilt flash
Flash range 3.00 m 3.90 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-eye, Soft
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 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 data format Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected Eye-Fi Connected
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 121g (0.27 lb) 164g (0.36 lb)
Physical dimensions 90 x 52 x 19mm (3.5" x 2.0" x 0.7") 108 x 59 x 25mm (4.3" x 2.3" x 1.0")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model NP-60 D-LI68
Self timer Yes (2 or 10 sec, Triple) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/MMC/SDHC card, Internal SD/SDHC card, Internal
Card slots Single Single
Launch price $150 $120