Olympus PEN-F vs Pentax W90

Olympus PEN-F front
Pentax Optio W90 front

Olympus PEN-F vs Pentax W90 Key Specs

Olympus PEN-F
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 427g - 125 x 72 x 37mm
  • Introduced January 2016
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
  • Introduced February 2010
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Olympus PEN-F vs Pentax W90 Overview

On this page, we are matching up the Olympus PEN-F versus Pentax W90, former being a Advanced Mirrorless while the other is a Waterproof by companies Olympus and Pentax. There exists a substantial gap between the sensor resolutions of the PEN-F (20MP) and W90 (12MP) and the PEN-F (Four Thirds) and W90 (1/2.3") boast totally different sensor sizing.

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The PEN-F was brought out 6 years later than the W90 and that is quite a big difference as far as technology is concerned. Both cameras have different body design with the Olympus PEN-F being a Rangefinder-style mirrorless camera and the Pentax W90 being a Compact camera.

Before diving straight to a in-depth comparison, here is a simple summary of how the PEN-F matches up vs the W90 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Olympus PEN-F over the Pentax W90

 PEN-F W90 
IntroducedJanuary 2016February 2010More recent by 73 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution1037k230kCrisper display (+807k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Reasons to pick Pentax W90 over the Olympus PEN-F

 W90 PEN-F 

Common features in the Olympus PEN-F and Pentax W90

 PEN-F W90 
Focus manually Very precise focusing

Olympus PEN-F vs Pentax W90 Physical Comparison

For anybody who is looking to lug around your camera frequently, you'll need to take into account its weight and size. The Olympus PEN-F provides physical dimensions of 125mm x 72mm x 37mm (4.9" x 2.8" x 1.5") and a weight of 427 grams (0.94 lbs) while the Pentax W90 has specifications 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 Olympus PEN-F versus Pentax W90 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you are utilizing at the time. Underneath is a front view physical size comparison of the PEN-F vs the W90.

Olympus PEN-F vs Pentax W90 size comparison

Considering dimensions and weight, the portability score of the PEN-F and W90 is 84 and 94 respectively.

Olympus PEN-F vs Pentax W90 top view buttons comparison

Olympus PEN-F vs Pentax W90 Sensor Comparison

Sometimes, it's difficult to visualise the contrast between sensor measurements merely by going over specs. The graphic underneath may offer you a more clear sense of the sensor sizes in the PEN-F and W90.

All in all, both of the cameras provide different megapixels and different sensor measurements. The PEN-F due to its larger sensor will make achieving bokeh easier and the Olympus PEN-F will offer more detail having its extra 8 Megapixels. Greater resolution will also enable you to crop pics more aggressively. The more modern PEN-F is going to have a benefit when it comes to sensor tech.

Olympus PEN-F vs Pentax W90 sensor size comparison

Olympus PEN-F vs Pentax W90 Screen and ViewFinder

Olympus PEN-F vs Pentax W90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus PEN-F
Portrait photography with Pentax W90
manual focus
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
has face detect autofocus
delivers RAW formats
has manual focus
lack of manual mode
no external flash support
low resolution (12 megapixels)
small sensor size (1/2.3")
does not have RAW support
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Street Comparison

Olympus PEN-F Street photography highlights
Pentax W90 Street photography highlights
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
delivers RAW formats
includes focus via touch
good ISO range (25,600)
environment sealing
screen does not articulate
no image stabilization
small sensor size (1/2.3")
does not have RAW support
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Sports Comparison

Olympus PEN-F Sports photography factors
Pentax W90 Sports photography factors
max shutter speed is good (1/8,000s)
quiet shutter (1/16,000s)
has image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is nice (Four Thirds)
has tracking focus
bad battery life (330 per charge)
lacks phase detect autofocus
environment sealing
very slow continuous shooting (1.0 frames per second)
no shutter priority
no image stabilization
low resolution (12MP)
small sensor size (1/2.3")
does not have phase detect AF
Photography Glossary

Travel Comparison

Olympus PEN-F Travel photography information
Pentax W90 Travel photography information
includes focus via touch
resolution is good (20MP)
selfie friendly display
bad battery life (330 shots)
environment sealing
flash built-in
quite wide (28mm)
low resolution (12 megapixels)
display isn't selfie friendly
sluggish maximum aperture (f3.5)
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Landscape Comparison

Olympus PEN-F Landscape photography features
Pentax W90 Landscape photography features
manual focus
interchangeable lenses (Micro Four Thirds mount)
nice screen size (3 inch)
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
good ISO range (25,600)
delivers RAW formats
bad battery life (330 CIPA)
has manual focus
quite wide (28mm)
environment sealing
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
screen is somewhat small (2.7")
lack of manual mode
no image stabilization
low resolution (12 megapixels)
small sensor size (1/2.3")
does not have RAW support
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Vlogging Comparison

Olympus PEN-F as a Vlogging camera
Pentax W90 as a Vlogging camera
selfie friendly display
has touchscreen
has image stabilization (Sensor based 5-axis)
has face detect autofocus
great video quality (1920 x 1080 resolution)
missing mic jack
quite wide (28mm)
sluggish maximum aperture (f3.5)
display isn't selfie friendly
no image stabilization
video resolution low (1280 x 720 resolution)
no mic jack
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Olympus PEN-F vs Pentax W90 Specifications

Detailed spec comparison table for Olympus PEN-F and Pentax W90
 Olympus PEN-FPentax Optio W90
General Information
Brand Olympus Pentax
Model Olympus PEN-F Pentax Optio W90
Category Advanced Mirrorless Waterproof
Introduced 2016-01-27 2010-02-24
Body design Rangefinder-style mirrorless Compact
Sensor Information
Processor TruePic VII Prime
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.17 x 4.55mm
Sensor area 224.9mm² 28.1mm²
Sensor resolution 20 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Peak resolution 5184 x 3888 4000 x 3000
Highest native ISO 25600 6400
Minimum native ISO 200 80
RAW data
Minimum enhanced ISO 80 -
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 81 9
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 28-140mm (5.0x)
Maximal aperture - f/3.5-5.5
Macro focus range - 1cm
Available lenses 107 -
Focal length multiplier 2.1 5.8
Display type Fully Articulated Fixed Type
Display sizing 3 inches 2.7 inches
Resolution of display 1,037 thousand dot 230 thousand dot
Selfie friendly
Touch screen
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.62x -
Min shutter speed 60 secs 4 secs
Max shutter speed 1/8000 secs 1/1500 secs
Max quiet shutter speed 1/16000 secs -
Continuous shutter speed 10.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Integrated flash
Flash range no built-in flash 3.90 m
Flash modes Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync (1st curtain), Slow sync (2nd curtain) Auto, On, Off, Red-eye, Soft
External flash
AE bracketing
White balance bracketing
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264, Motion JPEG Motion JPEG
Mic input
Headphone input
Wireless Built-In Eye-Fi Connected
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 427 grams (0.94 lb) 164 grams (0.36 lb)
Physical dimensions 125 x 72 x 37mm (4.9" x 2.8" x 1.5") 108 x 59 x 25mm (4.3" x 2.3" x 1.0")
DXO scores
DXO Overall score 74 not tested
DXO Color Depth score 23.1 not tested
DXO Dynamic range score 12.4 not tested
DXO Low light score 894 not tested
Battery life 330 images -
Battery format Battery Pack -
Battery model BLN-1 D-LI68
Self timer Yes (2 or 12 seconds, custom) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC card, Internal
Storage slots One One
Retail pricing $1,000 $120