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Olympus E-PM1 vs Pentax H90

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Pentax Optio H90 front
Portability
93
Imaging
35
Features
24
Overall
30

Olympus E-PM1 vs Pentax H90 Key Specs

Olympus E-PM1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 265g - 110 x 64 x 34mm
  • Launched November 2011
  • Replacement is Olympus E-PM2
Pentax H90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Announced January 2010
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Olympus E-PM1 vs Pentax H90 Overview

Let's look more closely at the Olympus E-PM1 versus Pentax H90, one being a Entry-Level Mirrorless and the latter is a Small Sensor Compact by rivals Olympus and Pentax. The image resolution of the E-PM1 (12MP) and the H90 (12MP) is pretty comparable but the E-PM1 (Four Thirds) and H90 (1/2.3") have different sensor measurements.

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The E-PM1 was unveiled 23 months later than the H90 which makes them a generation apart from one another. Both cameras have different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax H90 being a Compact camera.

Before diving into a step-by-step comparison, here is a concise overview of how the E-PM1 grades against the H90 when considering portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-PM1 over the Pentax H90

 E-PM1 H90 
AnnouncedNovember 2011January 2010More recent by 23 months
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution460k230kCrisper screen (+230k dot)

Reasons to pick Pentax H90 over the Olympus E-PM1

 H90 E-PM1 

Common features in the Olympus E-PM1 and Pentax H90

 E-PM1 H90 
Focus manually Very exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch screen Neither has Touch screen

Olympus E-PM1 vs Pentax H90 Physical Comparison

If you are intending to lug around your camera frequently, you'll need to factor its weight and volume. The Olympus E-PM1 has exterior measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") having a weight of 265 grams (0.58 lbs) while the Pentax H90 has sizing of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs).

Check the Olympus E-PM1 versus Pentax H90 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at the time. Here is a front view dimensions comparison of the E-PM1 compared to the H90.

Olympus E-PM1 vs Pentax H90 size comparison

Using dimensions and weight, the portability rating of the E-PM1 and H90 is 89 and 93 respectively.

Olympus E-PM1 vs Pentax H90 top view buttons comparison

Olympus E-PM1 vs Pentax H90 Sensor Comparison

Typically, it can be tough to picture the contrast in sensor measurements purely by going through technical specs. The photograph underneath will give you a stronger sense of the sensor measurements in the E-PM1 and H90.

As you can tell, both of the cameras provide the same megapixel count albeit different sensor measurements. The E-PM1 includes the bigger sensor which should make getting shallower depth of field simpler. The more recent E-PM1 should have an advantage when it comes to sensor technology.

Olympus E-PM1 vs Pentax H90 sensor size comparison

Olympus E-PM1 vs Pentax H90 Screen and ViewFinder

Olympus E-PM1 vs Pentax H90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PM1 Portrait photography information
Pentax H90 Portrait photography information
60
focusing manually
good sensor size (Four Thirds)
provides face detect autofocus
exports RAW formats
low MP (12MP)
27
you can focus manually
lack of manual mode
no external flash support
low resolution (12MP)
tiny sensor size (1/2.3")
no RAW format
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Street Comparison

Olympus E-PM1 Street photography highlights
Pentax H90 Street photography highlights
75
has image stabilization (Sensor based)
good sensor size (Four Thirds)
exports RAW formats
screen is fixed
56
built in image stabilization (Sensor-shift)
no moving screen
tiny sensor size (1/2.3")
no RAW format
Photography Glossary

Sports Comparison

Olympus E-PM1 as a Sports photography camera
Pentax H90 as a Sports photography camera
49
has image stabilization (Sensor based)
good sensor size (Four Thirds)
provides tracking focus
max fps low (6.0 frames/s)
low MP (12MP)
has no phase detect autofocus
31
built in image stabilization (Sensor-shift)
features tracking autofocus
slow frames per second (1.0 frames/s)
no shutter priority mode
low resolution (12 megapixels)
tiny sensor size (1/2.3")
no phase detect auto focus
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Travel Comparison

Olympus E-PM1 as a Travel photography camera
Pentax H90 as a Travel photography camera
45
lack of Timelapse mode
low MP (12MP)
doesn't contain selfie friendly screen
57
built-in flash
fairly wide (28mm)
does not have Timelapse function
low resolution (12 megapixels)
does not feature selfie friendly display
sluggish max aperture (f3.5)
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Landscape Comparison

Landscape photography with Olympus E-PM1
Landscape photography with Pentax H90
65
focusing manually
swap lenses (Micro Four Thirds mount)
pretty good screen size (3")
has image stabilization (Sensor based)
good sensor size (Four Thirds)
exports RAW formats
low MP (12MP)
lack of Timelapse mode
36
you can focus manually
fairly wide (28mm)
built in image stabilization (Sensor-shift)
cannot switch lens (fixed lens mount)
sluggish max aperture (f3.5)
small screen (2.7 inches)
lack of manual mode
low resolution (12 megapixels)
tiny sensor size (1/2.3")
no RAW format
does not have Timelapse function
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Vlogging Comparison

Olympus E-PM1 Vlogging highlights
Pentax H90 Vlogging highlights
34
has image stabilization (Sensor based)
provides face detect autofocus
high quality video (1920 x 1080 pxls)
doesn't contain selfie friendly screen
lack of microphone port
28
fairly wide (28mm)
built in image stabilization (Sensor-shift)
sluggish max aperture (f3.5)
does not feature selfie friendly display
video quality not great (1280 x 720 pxls)
does not have external microphone port
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Olympus E-PM1 vs Pentax H90 Specifications

Detailed spec comparison table for Olympus E-PM1 and Pentax H90
 Olympus PEN E-PM1Pentax Optio H90
General Information
Brand Olympus Pentax
Model Olympus PEN E-PM1 Pentax Optio H90
Class Entry-Level Mirrorless Small Sensor Compact
Launched 2011-11-23 2010-01-25
Body design Rangefinder-style mirrorless Compact
Sensor Information
Chip TruePic VI Prime
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.17 x 4.55mm
Sensor surface area 224.9mm² 28.1mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio 4:3 4:3 and 16:9
Highest Possible resolution 4032 x 3024 4000 x 3000
Maximum native ISO 12800 6400
Min native ISO 100 80
RAW images
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 35 9
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 28-140mm (5.0x)
Largest aperture - f/3.5-5.9
Macro focus range - 10cm
Amount of lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Range of display Fixed Type Fixed Type
Display sizing 3" 2.7"
Display resolution 460k dot 230k dot
Selfie friendly
Liveview
Touch screen
Display tech HyperCrystal LCD AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Minimum shutter speed 60 secs 4 secs
Fastest shutter speed 1/4000 secs 1/2000 secs
Continuous shutter speed 6.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 4.00 m
Flash options Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync 1/160 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 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)
Maximum video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG Motion JPEG
Microphone jack
Headphone jack
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
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 265 gr (0.58 lb) 153 gr (0.34 lb)
Physical dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 101 x 65 x 28mm (4.0" x 2.6" x 1.1")
DXO scores
DXO Overall score 52 not tested
DXO Color Depth score 21.0 not tested
DXO Dynamic range score 10.3 not tested
DXO Low light score 499 not tested
Other
Battery life 330 pictures -
Battery form Battery Pack -
Battery model BLS-5 D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC, Internal
Storage slots Single Single
Retail cost $499 $150