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Olympus E-400 vs Pentax E90

Portability
77
Imaging
44
Features
31
Overall
38
Olympus E-400 front
 
Pentax Optio E90 front
Portability
94
Imaging
33
Features
11
Overall
24

Olympus E-400 vs Pentax E90 Key Specs

Olympus E-400
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 435g - 130 x 91 x 53mm
  • Introduced September 2006
  • Updated by Olympus E-410
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
  • Revealed January 2010
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Olympus E-400 vs Pentax E90 Overview

Here is a comprehensive assessment of the Olympus E-400 and Pentax E90, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by rivals Olympus and Pentax. The image resolution of the E-400 (10MP) and the E90 (10MP) is relatively comparable but the E-400 (Four Thirds) and E90 (1/2.3") offer different sensor dimensions.

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The E-400 was released 4 years earlier than the E90 and that is a fairly sizable gap as far as camera tech is concerned. Both of the cameras have different body design with the Olympus E-400 being a Compact SLR camera and the Pentax E90 being a Compact camera.

Before we go into a in depth comparison, here is a brief summation of how the E-400 scores against the E90 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-400 over the Pentax E90

 E-400 E90 
Manually focus Dial accurate focusing

Reasons to pick Pentax E90 over the Olympus E-400

 E90 E-400 
RevealedJanuary 2010September 2006Fresher by 40 months
Screen dimensions2.7"2.5"Bigger screen (+0.2")
Screen resolution230k215kSharper screen (+15k dot)

Common features in the Olympus E-400 and Pentax E90

 E-400 E90 
Screen typeFixed Fixed Fixed screen
Selfie screen Neither provides selfie screen
Touch screen Neither provides Touch screen

Olympus E-400 vs Pentax E90 Physical Comparison

When you are aiming to carry your camera, you are going to need to think about its weight and measurements. The Olympus E-400 provides physical measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 435 grams (0.96 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).

Check out the Olympus E-400 and Pentax E90 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you are using during that time. Here is a front view sizing comparison of the E-400 against the E90.

Olympus E-400 vs Pentax E90 size comparison

Using size and weight, the portability score of the E-400 and E90 is 77 and 94 respectively.

Olympus E-400 vs Pentax E90 top view buttons comparison

Olympus E-400 vs Pentax E90 Sensor Comparison

Oftentimes, it's tough to visualize the contrast in sensor sizing just by going through technical specs. The graphic below will provide you a clearer sense of the sensor measurements in the E-400 and E90.

As you have seen, both of these cameras provide the same resolution albeit different sensor sizing. The E-400 features the bigger sensor which should make achieving bokeh less difficult. The older E-400 will be behind in sensor technology.

Olympus E-400 vs Pentax E90 sensor size comparison

Olympus E-400 vs Pentax E90 Screen and ViewFinder

Olympus E-400 vs Pentax E90 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-400 as a Portrait photography camera
Pentax E90 as a Portrait photography camera
46
you can focus manually
nice sensor size (Four Thirds)
exports RAW formats
no liveview feature
no manual control
low resolution sensor (10 megapixels)
19
no manual focus
manual mode not possible
external flash not possible
low resolution sensor (10MP)
sensor is tiny (1/2.3")
does not have RAW files
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Street Comparison

Olympus E-400 Street photography features
Pentax E90 Street photography features
60
nice sensor size (Four Thirds)
exports RAW formats
screen does not articulate
lack of image stabilization
47
screen does not articulate
does not have image stabilization
sensor is tiny (1/2.3")
does not have RAW files
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Sports Comparison

Olympus E-400 Sports photography factors
Pentax E90 Sports photography factors
38
nice sensor size (Four Thirds)
sensor has phase detect autofocus
no liveview feature
max frames per second low (3.0 fps)
lack of image stabilization
low resolution sensor (10MP)
16
no shutter priority mode
does not have image stabilization
low resolution sensor (10 megapixels)
sensor is tiny (1/2.3")
does not have phase detect autofocus
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Travel Comparison

Olympus E-400 Travel photography information
Pentax E90 Travel photography information
49
flash built-in
doesn't have Timelapse mode
low resolution sensor (10 megapixels)
doesn't posses selfie friendly screen
50
has built in flash
doesn't have Time Lapse function
low resolution sensor (10 megapixels)
screen is not selfie friendly
wide angle not the best (32mm)
sluggish max aperture (f3.1)
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Landscape Comparison

Landscape photography with Olympus E-400
Landscape photography with Pentax E90
45
you can focus manually
swap lenses (Micro Four Thirds mount)
nice sensor size (Four Thirds)
exports RAW formats
small screen (2.5")
no liveview feature
no manual control
lack of image stabilization
low resolution sensor (10 megapixels)
doesn't have Timelapse mode
22
no manual focus
lens is fixed (fixed lens mount)
wide angle not the best (32mm)
sluggish max aperture (f3.1)
small screen (2.7 inch)
manual mode not possible
does not have image stabilization
low resolution sensor (10 megapixels)
sensor is tiny (1/2.3")
does not have RAW files
doesn't have Time Lapse function
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Vlogging Comparison

Olympus E-400 Vlogging advice
Pentax E90 Vlogging advice
9
can't record video
22
wide angle not the best (32mm)
sluggish max aperture (f3.1)
screen is not selfie friendly
does not have image stabilization
video res low (1280 x 720 pxls)
doesn't have external mic support
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Olympus E-400 vs Pentax E90 Specifications

Detailed spec comparison table for Olympus E-400 and Pentax E90
 Olympus E-400Pentax Optio E90
General Information
Company Olympus Pentax
Model type Olympus E-400 Pentax Optio E90
Type Entry-Level DSLR Small Sensor Compact
Introduced 2006-09-14 2010-01-25
Physical type Compact SLR Compact
Sensor Information
Powered by - Prime
Sensor type CCD 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 10 megapixels 10 megapixels
Anti alias filter
Aspect ratio 4:3 4:3 and 16:9
Peak resolution 3648 x 2736 3648 x 2736
Highest native ISO 1600 3200
Minimum native ISO 100 80
RAW photos
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 3 3
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 32-95mm (3.0x)
Maximum aperture - f/3.1-5.9
Macro focusing range - 6cm
Number of lenses 45 -
Focal length multiplier 2.1 5.9
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 2.5 inches 2.7 inches
Screen resolution 215k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.46x -
Features
Minimum shutter speed 60 seconds 4 seconds
Fastest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shutter rate 3.0 frames/s -
Shutter priority
Aperture priority
Expose Manually
Set white balance
Image stabilization
Integrated flash
Flash distance 10.00 m (at ISO 100) 3.50 m
Flash modes Auto, Auto FP, Manual, Red-Eye -
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1280 x 720 (15 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution None 1280x720
Video data format - Motion JPEG
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 435 grams (0.96 lbs) 145 grams (0.32 lbs)
Physical dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID - 2 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC, Internal
Card slots One One
Price at release $599 $100