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Olympus E-PL1s vs Pentax W90

Portability
86
Imaging
47
Features
43
Overall
45
Olympus PEN E-PL1s front
 
Pentax Optio W90 front
Portability
94
Imaging
35
Features
21
Overall
29

Olympus E-PL1s vs Pentax W90 Key Specs

Olympus E-PL1s
(Full Review)
  • 12MP - Four Thirds Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1280 x 720 video
  • Micro Four Thirds Mount
  • 334g - 115 x 72 x 42mm
  • Launched November 2010
  • Previous Model is Olympus E-PL1
  • Renewed by Olympus E-PL2
Pentax W90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • 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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Olympus E-PL1s vs Pentax W90 Overview

Below is a thorough analysis of the Olympus E-PL1s versus Pentax W90, one being a Entry-Level Mirrorless and the other is a Waterproof by rivals Olympus and Pentax. The image resolution of the E-PL1s (12MP) and the W90 (12MP) is fairly comparable but the E-PL1s (Four Thirds) and W90 (1/2.3") come with totally different sensor dimensions.

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The E-PL1s was brought out 9 months later than the W90 so they are both of a similar generation. Both of the cameras offer different body type with the Olympus E-PL1s being a Rangefinder-style mirrorless camera and the Pentax W90 being a Compact camera.

Before delving through a thorough comparison, below is a concise introduction of how the E-PL1s scores vs the W90 in regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-PL1s over the Pentax W90

 E-PL1s W90 
LaunchedNovember 2010February 2010More recent by 9 months

Reasons to pick Pentax W90 over the Olympus E-PL1s

 W90 E-PL1s 

Common features in the Olympus E-PL1s and Pentax W90

 E-PL1s W90 
Focus manually Very accurate focusing
Display typeFixed Fixed Fixed display
Display sizing2.7"2.7"Equivalent display sizing
Display resolution230k230kExact same display resolution
Selfie screen Neither contains selfie screen
Touch display Neither contains Touch display

Olympus E-PL1s vs Pentax W90 Physical Comparison

If you're intending to lug around your camera often, you will need to factor in its weight and size. The Olympus E-PL1s has got exterior dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") with a weight of 334 grams (0.74 lbs) and the Pentax W90 has specifications of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") having a weight of 164 grams (0.36 lbs).

Compare the Olympus E-PL1s versus Pentax W90 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you use during that time. Underneath is the front view sizing comparison of the E-PL1s versus the W90.

Olympus E-PL1s vs Pentax W90 size comparison

Using size and weight, the portability grade of the E-PL1s and W90 is 86 and 94 respectively.

Olympus E-PL1s vs Pentax W90 top view buttons comparison

Olympus E-PL1s vs Pentax W90 Sensor Comparison

Oftentimes, it is tough to visualise the contrast in sensor measurements simply by checking out technical specs. The photograph here will give you a better sense of the sensor dimensions in the E-PL1s and W90.

As you have seen, each of the cameras offer the same exact MP but not the same sensor measurements. The E-PL1s has the larger sensor which will make getting shallow depth of field less difficult. The newer E-PL1s is going to have an advantage in sensor tech.

Olympus E-PL1s vs Pentax W90 sensor size comparison

Olympus E-PL1s vs Pentax W90 Screen and ViewFinder

Olympus E-PL1s vs Pentax W90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PL1s as a Portrait photography camera
Pentax W90 as a Portrait photography camera
60
has manual focus
sensor size is good (Four Thirds)
provides face detect autofocus
delivers RAW files
low MP (12 megapixels)
27
manual focus
lack of manual mode
cannot use external flash
MP count low (12 megapixels)
sensor is very small (1/2.3")
lacks RAW support
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Street Comparison

Street photography with Olympus E-PL1s
Street photography with Pentax W90
74
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
delivers RAW files
no moving screen
54
weather sealing
screen does not articulate
lack of image stabilization
sensor is very small (1/2.3")
lacks RAW support
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Sports Comparison

Olympus E-PL1s as a Sports photography camera
Pentax W90 as a Sports photography camera
44
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
provides tracking focus
low fps (3.0 fps)
low MP (12MP)
low battery life (290 CIPA)
does not have phase detect autofocus
24
weather sealing
painfully slow continuous shooting (1.0 frames per second)
lack of shutter priority mode
lack of image stabilization
MP count low (12MP)
sensor is very small (1/2.3")
lacks phase detect autofocus
Photography Glossary

Travel Comparison

Olympus E-PL1s Travel photography highlights
Pentax W90 Travel photography highlights
51
flash built-in
lack of Timelapse function
low battery life (290 shots)
low MP (12 megapixels)
display isn't selfie friendly
64
weather sealing
built-in flash
really wide (28mm)
MP count low (12MP)
doesn't offer selfie friendly screen
somewhat slow max aperture (f3.5)
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Landscape Comparison

Olympus E-PL1s Landscape photography features
Pentax W90 Landscape photography features
55
has manual focus
interchangeable lenses (Micro Four Thirds mount)
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
delivers RAW files
screen is somewhat small (2.7")
low MP (12MP)
low battery life (290 CIPA)
lack of Timelapse function
37
manual focus
really wide (28mm)
weather sealing
cannot change lenses (fixed lens mount)
somewhat slow max aperture (f3.5)
small screen (2.7 inches)
lack of manual mode
lack of image stabilization
MP count low (12MP)
sensor is very small (1/2.3")
lacks RAW support
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Vlogging Comparison

Olympus E-PL1s Vlogging factors
Pentax W90 Vlogging factors
29
built in image stabilization (Sensor based)
provides face detect autofocus
display isn't selfie friendly
video resolution low (1280 x 720 resolution)
lack of microphone socket
25
really wide (28mm)
somewhat slow max aperture (f3.5)
doesn't offer selfie friendly screen
lack of image stabilization
video resolution low (1280 x 720 resolution)
missing mic support
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Olympus E-PL1s vs Pentax W90 Specifications

Detailed spec comparison table for Olympus E-PL1s and Pentax W90
 Olympus PEN E-PL1sPentax Optio W90
General Information
Make Olympus Pentax
Model Olympus PEN E-PL1s Pentax Optio W90
Type Entry-Level Mirrorless Waterproof
Launched 2010-11-16 2010-02-24
Physical type Rangefinder-style mirrorless Compact
Sensor Information
Processor Chip Truepic V Prime
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.17 x 4.55mm
Sensor surface area 224.9mm² 28.1mm²
Sensor resolution 12 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Highest resolution 4032 x 3024 4000 x 3000
Highest native ISO 6400 6400
Lowest native ISO 100 80
RAW images
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 9
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 28-140mm (5.0x)
Highest aperture - f/3.5-5.5
Macro focus range - 1cm
Total lenses 107 -
Crop factor 2.1 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.7 inch 2.7 inch
Resolution of screen 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch function
Screen technology HyperCrystal LCD AR (Anti-Reflective) coating -
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Slowest shutter speed 60 seconds 4 seconds
Maximum shutter speed 1/2000 seconds 1/1500 seconds
Continuous shooting rate 3.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Custom white balance
Image stabilization
Integrated flash
Flash range 10.00 m 3.90 m
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
White balance bracketing
Maximum flash synchronize 1/160 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1280x720 1280x720
Video file 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 None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 334g (0.74 lbs) 164g (0.36 lbs)
Dimensions 115 x 72 x 42mm (4.5" x 2.8" x 1.7") 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 life 290 images -
Style of battery Battery Pack -
Battery model BLS-1 D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC SD/SDHC card, Internal
Card slots One One
Cost at launch $599 $120