Olympus E-520 vs Pentax H90

Olympus E-520 front
Pentax Optio H90 front

Olympus E-520 vs Pentax H90 Key Specs

Olympus E-520
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Micro Four Thirds Mount
  • 552g - 136 x 92 x 68mm
  • Introduced August 2008
  • Older Model is Olympus E-510
Pentax H90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Launched January 2010
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Olympus E-520 vs Pentax H90 Overview

On this page, we are analyzing the Olympus E-520 vs Pentax H90, former is a Entry-Level DSLR while the other is a Small Sensor Compact by manufacturers Olympus and Pentax. The sensor resolution of the E-520 (10MP) and the H90 (12MP) is very close but the E-520 (Four Thirds) and H90 (1/2.3") have totally different sensor sizing.

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The E-520 was revealed 17 months earlier than the H90 making them a generation away from one another. Both of the cameras have different body design with the Olympus E-520 being a Compact SLR camera and the Pentax H90 being a Compact camera.

Before going into a complete comparison, here is a simple summation of how the E-520 matches up versus the H90 for portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-520 over the Pentax H90

 E-520 H90 

Reasons to pick Pentax H90 over the Olympus E-520

 H90 E-520 
LaunchedJanuary 2010August 2008Newer by 17 months

Common features in the Olympus E-520 and Pentax H90

 E-520 H90 
Manual focus More exact focus
Display typeFixed Fixed Fixed display
Display dimensions2.7"2.7"Equal display measurement
Display resolution230k230kSame display resolution
Selfie screen No selfie screen
Touch display No Touch display

Olympus E-520 vs Pentax H90 Physical Comparison

For anybody who is going to travel with your camera often, you need to factor its weight and measurements. The Olympus E-520 has physical measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") along with a weight of 552 grams (1.22 lbs) while the Pentax H90 has proportions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs).

Take a look at the Olympus E-520 vs Pentax H90 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change depending on the lens you have chosen at the time. Underneath is a front view proportions comparison of the E-520 against the H90.

Olympus E-520 vs Pentax H90 size comparison

Taking into account dimensions and weight, the portability score of the E-520 and H90 is 68 and 93 respectively.

Olympus E-520 vs Pentax H90 top view buttons comparison

Olympus E-520 vs Pentax H90 Sensor Comparison

More often than not, it is difficult to envision the gap in sensor dimensions merely by researching technical specs. The image underneath may provide you a clearer sense of the sensor measurements in the E-520 and H90.

As you have seen, both the cameras have different resolutions and different sensor dimensions. The E-520 having a larger sensor will make shooting shallow depth of field easier and the Pentax H90 will render extra detail because of its extra 2 Megapixels. Greater resolution can also make it easier to crop photos a bit more aggressively. The more aged E-520 will be behind with regard to sensor innovation.

Olympus E-520 vs Pentax H90 sensor size comparison

Olympus E-520 vs Pentax H90 Screen and ViewFinder

Olympus E-520 vs Pentax H90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-520 Portrait photography information
Pentax H90 Portrait photography information
manual focus
sensor size is nice (Four Thirds)
comes with face detect autofocus
exports RAW formats
resolution not great (10 megapixels)
has manual focus
lack of manual mode
no external flash support
MP count low (12MP)
small sensor size (1/2.3")
does not have RAW files
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Street Comparison

Olympus E-520 Street photography factors
Pentax H90 Street photography factors
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
exports RAW formats
no articulating screen
image stabilization (Sensor-shift)
screen does not articulate
small sensor size (1/2.3")
does not have RAW files
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Sports Comparison

Olympus E-520 as a Sports photography camera
Pentax H90 as a Sports photography camera
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
better than average battery power (650 CIPA)
sensor has phase detect autofocus
painfully slow continuous shooting (4.0 fps)
resolution not great (10MP)
image stabilization (Sensor-shift)
offers tracking focus
continuous shooting slow (1.0 frames per second)
no shutter priority
MP count low (12 megapixels)
small sensor size (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Olympus E-520 Travel photography features
Pentax H90 Travel photography features
better than average battery power (650 per charge)
flash built-in
missing Timelapse function
resolution not great (10 megapixels)
display is not selfie friendly
built-in flash
decently wide (28mm)
no Time Lapse recording
MP count low (12MP)
display is not selfie friendly
sluggish max aperture (f3.5)
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Landscape Comparison

Landscape photography with Olympus E-520
Landscape photography with Pentax H90
manual focus
interchangeable lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
exports RAW formats
better than average battery power (650 per charge)
small screen (2.7")
resolution not great (10 megapixels)
missing Timelapse function
has manual focus
decently wide (28mm)
image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
sluggish max aperture (f3.5)
screen is small (2.7")
lack of manual mode
MP count low (12 megapixels)
small sensor size (1/2.3")
does not have RAW files
no Time Lapse recording
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Vlogging Comparison

Olympus E-520 Vlogging details
Pentax H90 Vlogging details
can't record video
decently wide (28mm)
image stabilization (Sensor-shift)
sluggish max aperture (f3.5)
display is not selfie friendly
low quality video (1280 x 720 pixels)
no mic port
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Olympus E-520 vs Pentax H90 Specifications

Detailed spec comparison table for Olympus E-520 and Pentax H90
 Olympus E-520Pentax Optio H90
General Information
Manufacturer Olympus Pentax
Model type Olympus E-520 Pentax Optio H90
Type Entry-Level DSLR Small Sensor Compact
Introduced 2008-08-20 2010-01-25
Body design Compact SLR Compact
Sensor Information
Processor - 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 10 megapixel 12 megapixel
Anti alias filter
Aspect ratio 4:3 4:3 and 16:9
Peak resolution 3648 x 2736 4000 x 3000
Highest native ISO 1600 6400
Min native ISO 100 80
RAW files
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 3 9
Lens support Micro Four Thirds fixed lens
Lens zoom range - 28-140mm (5.0x)
Maximum aperture - f/3.5-5.9
Macro focusing range - 10cm
Available lenses 45 -
Crop factor 2.1 5.8
Display type Fixed Type Fixed Type
Display sizing 2.7 inch 2.7 inch
Resolution of display 230k dot 230k dot
Selfie friendly
Touch display
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.46x -
Min shutter speed 60s 4s
Max shutter speed 1/4000s 1/2000s
Continuous shutter speed 4.0fps 1.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) 4.00 m
Flash options Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye, Soft
Hot shoe
White balance bracketing
Max flash sync 1/180s -
AF area
Center weighted
Video features
Supported video resolutions - 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution None 1280x720
Video file format - Motion JPEG
Mic jack
Headphone jack
Wireless None Eye-Fi Connected
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 552 grams (1.22 lbs) 153 grams (0.34 lbs)
Physical dimensions 136 x 92 x 68mm (5.4" x 3.6" x 2.7") 101 x 65 x 28mm (4.0" x 2.6" x 1.1")
DXO scores
DXO Overall rating 55 not tested
DXO Color Depth rating 21.4 not tested
DXO Dynamic range rating 10.4 not tested
DXO Low light rating 548 not tested
Battery life 650 photographs -
Battery form Battery Pack -
Battery ID - D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media Compact Flash (Type I or II), xD Picture Card SD/SDHC, Internal
Storage slots Single Single
Retail price $400 $150