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Olympus E-M10 vs Pentax E90

Portability
82
Imaging
53
Features
73
Overall
61
Olympus OM-D E-M10 front
 
Pentax Optio E90 front
Portability
94
Imaging
33
Features
11
Overall
24

Olympus E-M10 vs Pentax E90 Key Specs

Olympus E-M10
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 396g - 119 x 82 x 46mm
  • Announced March 2014
  • Later Model is Olympus E-M10 II
Pentax E90
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 1280 x 720 video
  • 32-95mm (F3.1-5.9) lens
  • 145g - 102 x 59 x 25mm
  • Launched January 2010
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Olympus E-M10 vs Pentax E90 Overview

Following is a detailed review of the Olympus E-M10 and Pentax E90, one is a Entry-Level Mirrorless and the latter is a Small Sensor Compact by brands Olympus and Pentax. There is a crucial difference between the resolutions of the E-M10 (16MP) and E90 (10MP) and the E-M10 (Four Thirds) and E90 (1/2.3") boast different sensor size.

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The E-M10 was released 4 years after the E90 which is quite a serious gap as far as tech is concerned. Each of the cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Pentax E90 being a Compact camera.

Before delving into a complete comparison, here is a quick summation of how the E-M10 grades against the E90 when considering portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M10 over the Pentax E90

 E-M10 E90 
LaunchedMarch 2014January 2010More modern by 51 months
Focus manually Very precise focusing
Screen typeTiltingFixed Tilting screen
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution1037k230kCrisper screen (+807k dot)
Touch screen Quickly navigate

Reasons to pick Pentax E90 over the Olympus E-M10

 E90 E-M10 

Common features in the Olympus E-M10 and Pentax E90

 E-M10 E90 
Selfie screen No selfie screen

Olympus E-M10 vs Pentax E90 Physical Comparison

If you are going to carry around your camera, you'll need to think about its weight and measurements. The Olympus E-M10 offers outer measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") having a weight of 396 grams (0.87 lbs) whilst the Pentax E90 has proportions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") accompanied by a weight of 145 grams (0.32 lbs).

Examine the Olympus E-M10 and Pentax E90 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at the time. Below is a front view scale comparison of the E-M10 vs the E90.

Olympus E-M10 vs Pentax E90 size comparison

Taking into account size and weight, the portability rating of the E-M10 and E90 is 82 and 94 respectively.

Olympus E-M10 vs Pentax E90 top view buttons comparison

Olympus E-M10 vs Pentax E90 Sensor Comparison

Usually, it can be difficult to picture the difference between sensor sizes just by reading specifications. The image below should give you a far better sense of the sensor sizing in the E-M10 and E90.

To sum up, both the cameras provide different megapixels and different sensor sizes. The E-M10 because of its bigger sensor is going to make getting shallower depth of field simpler and the Olympus E-M10 will deliver extra detail as a result of its extra 6 Megapixels. Higher resolution can also help you crop shots more aggressively. The more recent E-M10 provides an edge in sensor innovation.

Olympus E-M10 vs Pentax E90 sensor size comparison

Olympus E-M10 vs Pentax E90 Screen and ViewFinder

Olympus E-M10 vs Pentax E90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-M10
Portrait photography with Pentax E90
71
focusing manually
megapixel count decent (16 megapixels)
sensor size is decent (Four Thirds)
features face detect focus
exports RAW formats
19
no manual focus
no manual control
cannot use external flash
low megapixels (10MP)
sensor size is tiny (1/2.3")
does not have RAW support
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Street Comparison

Olympus E-M10 Street photography information
Pentax E90 Street photography information
77
tilting screen
built in image stabilization (Sensor based)
sensor size is decent (Four Thirds)
exports RAW formats
comes with focus by touch
very good ISO range (25,600)
more heavy than average (396 grams)
47
fixed screen
no image stabilization
sensor size is tiny (1/2.3")
does not have RAW support
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Sports Comparison

Sports photography with Olympus E-M10
Sports photography with Pentax E90
66
built in image stabilization (Sensor based)
megapixel count decent (16 megapixels)
sensor size is decent (Four Thirds)
features tracking focus
lacks phase detect auto focus
16
no shutter priority mode
no image stabilization
low megapixels (10 megapixels)
sensor size is tiny (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Travel photography with Olympus E-M10
Travel photography with Pentax E90
67
comes with focus by touch
megapixel count decent (16 megapixels)
flash built-in
more heavy than average (396g)
screen is not selfie friendly
50
flash built-in
no Time Lapse function
low megapixels (10 megapixels)
display is not selfie friendly
wide angle not fantastic (32mm)
slow max aperture (f3.1)
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Landscape Comparison

Landscape photography with Olympus E-M10
Landscape photography with Pentax E90
79
focusing manually
swap lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based)
megapixel count decent (16 megapixels)
sensor size is decent (Four Thirds)
very good ISO range (25,600)
exports RAW formats
22
no manual focus
fixed lens (fixed lens mount)
wide angle not fantastic (32mm)
slow max aperture (f3.1)
small screen (2.7 inch)
no manual control
no image stabilization
low megapixels (10MP)
sensor size is tiny (1/2.3")
does not have RAW support
no Time Lapse function
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Vlogging Comparison

Vlogging with Olympus E-M10
Vlogging with Pentax E90
33
touchscreen
built in image stabilization (Sensor based)
features face detect focus
video resolution high (1920 x 1080 resolution)
screen is not selfie friendly
does not have microphone port
more heavy than average (396 grams)
22
wide angle not fantastic (32mm)
slow max aperture (f3.1)
display is not selfie friendly
no image stabilization
low video resolution (1280 x 720 pxls)
no external mic port
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Olympus E-M10 vs Pentax E90 Specifications

Detailed spec comparison table for Olympus E-M10 and Pentax E90
 Olympus OM-D E-M10Pentax Optio E90
General Information
Brand Name Olympus Pentax
Model type Olympus OM-D E-M10 Pentax Optio E90
Type Entry-Level Mirrorless Small Sensor Compact
Announced 2014-03-18 2010-01-25
Body design SLR-style mirrorless Compact
Sensor Information
Chip TruePic VII Prime
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.08 x 4.56mm
Sensor surface area 224.9mm² 27.7mm²
Sensor resolution 16MP 10MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Highest resolution 4608 x 3456 3648 x 2736
Highest native ISO 25600 3200
Minimum native ISO 200 80
RAW photos
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 81 3
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 32-95mm (3.0x)
Maximal aperture - f/3.1-5.9
Macro focusing distance - 6cm
Amount of lenses 107 -
Focal length multiplier 2.1 5.9
Screen
Display type Tilting Fixed Type
Display size 3" 2.7"
Display resolution 1,037 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Display technology TFT LCD -
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 1,440 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.58x -
Features
Slowest shutter speed 60 seconds 4 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting speed 8.0fps -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Built-in flash
Flash distance 5.80 m (ISO100) 3.50 m
Flash modes Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual(1/1(FULL)~1/64) -
External flash
AEB
WB bracketing
Maximum flash sync 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) 1280 x 720 (15 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 1920x1080 1280x720
Video file format H.264, Motion JPEG Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 396 gr (0.87 lbs) 145 gr (0.32 lbs)
Physical dimensions 119 x 82 x 46mm (4.7" x 3.2" x 1.8") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO All around rating 72 not tested
DXO Color Depth rating 22.8 not tested
DXO Dynamic range rating 12.3 not tested
DXO Low light rating 884 not tested
Other
Battery life 320 photos -
Battery form Battery Pack -
Battery ID BLS-5 2 x AA
Self timer Yes (12 sec., 2 sec.,custom (Waiting time 1-30sec.,Shooting interval 0.5/1/2/3sec.,Number of shots 1-10)) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC SD/SDHC, Internal
Storage slots Single Single
Cost at launch $600 $100