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Olympus E-400 vs Pentax K100D S

Portability
77
Imaging
44
Features
31
Overall
38
Olympus E-400 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Olympus E-400 vs Pentax K100D S Key Specs

Olympus E-400
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 435g - 130 x 91 x 53mm
  • Introduced September 2006
  • Successor is Olympus E-410
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Launched June 2007
  • Earlier Model is Pentax K100D
  • Renewed by Pentax K200D
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Olympus E-400 vs Pentax K100D S Overview

Its time to look a bit more closely at the Olympus E-400 vs Pentax K100D S, both Entry-Level DSLR digital cameras by competitors Olympus and Pentax. There is a significant difference between the sensor resolutions of the E-400 (10MP) and K100D S (6MP) and the E-400 (Four Thirds) and K100D S (APS-C) come with different sensor sizes.

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The E-400 was launched 9 months prior to the K100D S which means that they are both of a similar generation. Both of these cameras come with the identical body type (Compact SLR).

Before diving straight into a thorough comparison, below is a simple introduction of how the E-400 scores vs the K100D S with regard to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-400 over the Pentax K100D S

 E-400 K100D S 
Screen resolution215k210kCrisper screen (+5k dot)

Reasons to pick Pentax K100D S over the Olympus E-400

 K100D S E-400 
LaunchedJune 2007September 2006More recent by 9 months

Common features in the Olympus E-400 and Pentax K100D S

 E-400 K100D S 
Manually focus Very exact focusing
Screen typeFixed Fixed Fixed screen
Screen dimension2.5"2.5"Identical screen dimensions
Selfie screen Lacking selfie screen
Touch screen Lacking Touch screen

Olympus E-400 vs Pentax K100D S Physical Comparison

If you're going to lug around your camera, you will need to factor in its weight and dimensions. The Olympus E-400 offers physical dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 435 grams (0.96 lbs) whilst the Pentax K100D S has dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Compare the Olympus E-400 vs Pentax K100D S in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Here is the front view proportions comparison of the E-400 compared to the K100D S.

Olympus E-400 vs Pentax K100D S size comparison

Taking into account size and weight, the portability score of the E-400 and K100D S is 77 and 65 respectively.

Olympus E-400 vs Pentax K100D S top view buttons comparison

Olympus E-400 vs Pentax K100D S Sensor Comparison

In many cases, its hard to imagine the difference between sensor measurements simply by checking specifications. The photograph here will help give you a more clear sense of the sensor sizes in the E-400 and K100D S.

Plainly, both of these cameras have got different resolutions and different sensor measurements. The E-400 because of its tinier sensor is going to make getting shallower depth of field trickier and the Olympus E-400 will resolve extra detail utilizing its extra 4MP. Higher resolution will also help you crop photographs much more aggressively. The older E-400 is going to be disadvantaged in sensor technology.

Olympus E-400 vs Pentax K100D S sensor size comparison

Olympus E-400 vs Pentax K100D S Screen and ViewFinder

Olympus E-400 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-400 as a Portrait photography camera
Pentax K100D S as a Portrait photography camera
46
has manual focus
decent sensor size (Four Thirds)
delivers RAW files
no liveview feature
manual exposure not possible
megapixel count low (10MP)
51
you can focus manually
good sensor size (APS-C)
delivers RAW formats
does not have liveview
resolution not great (6MP)
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Street Comparison

Olympus E-400 Street photography features
Pentax K100D S Street photography features
60
decent sensor size (Four Thirds)
delivers RAW files
screen does not articulate
no image stabilization
64
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
no moving screen
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Sports Comparison

Olympus E-400 as a Sports photography camera
Pentax K100D S as a Sports photography camera
38
decent sensor size (Four Thirds)
comes with phase detect AF
no liveview feature
slow fps (3.0 fps)
no image stabilization
megapixel count low (10 megapixels)
47
built in image stabilization (Sensor based)
good sensor size (APS-C)
supports phase detect auto focus
does not have liveview
very slow continuous shooting (3.0 fps)
resolution not great (6MP)
Photography Glossary

Travel Comparison

Olympus E-400 Travel photography highlights
Pentax K100D S Travel photography highlights
49
built-in flash
missing Timelapse mode
megapixel count low (10 megapixels)
screen isn't selfie friendly
45
flash built-in
missing Time Lapse mode
resolution not great (6 megapixels)
does not posses selfie friendly display
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Landscape Comparison

Olympus E-400 Landscape photography highlights
Pentax K100D S Landscape photography highlights
45
has manual focus
change lenses (Micro Four Thirds mount)
decent sensor size (Four Thirds)
delivers RAW files
small screen (2.5")
no liveview feature
manual exposure not possible
no image stabilization
megapixel count low (10 megapixels)
missing Timelapse mode
52
you can focus manually
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
screen is small (2.5")
does not have liveview
resolution not great (6MP)
missing Time Lapse mode
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Vlogging Comparison

Vlogging with Olympus E-400
Vlogging with Pentax K100D S
9
can't shoot video
9
no video
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Olympus E-400 vs Pentax K100D S Specifications

Detailed spec comparison table for Olympus E-400 and Pentax K100D S
 Olympus E-400Pentax K100D Super
General Information
Make Olympus Pentax
Model type Olympus E-400 Pentax K100D Super
Type Entry-Level DSLR Entry-Level DSLR
Introduced 2006-09-14 2007-06-28
Physical type Compact SLR Compact SLR
Sensor Information
Sensor type CCD CCD
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.7mm
Sensor area 224.9mm² 369.0mm²
Sensor resolution 10MP 6MP
Anti alias filter
Aspect ratio 4:3 3:2
Highest Possible resolution 3648 x 2736 3008 x 2008
Maximum native ISO 1600 3200
Lowest native ISO 100 200
RAW files
Autofocusing
Manual focusing
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 3 11
Lens
Lens support Micro Four Thirds Pentax KAF2
Total lenses 45 151
Crop factor 2.1 1.5
Screen
Type of display Fixed Type Fixed Type
Display sizing 2.5" 2.5"
Display resolution 215k dots 210k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95 percent 96 percent
Viewfinder magnification 0.46x 0.57x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/4000s 1/4000s
Continuous shutter rate 3.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 10.00 m (at ISO 100) -
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye reduction
External flash
AE bracketing
WB bracketing
Fastest flash synchronize - 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Maximum video resolution None None
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 435 gr (0.96 lb) 646 gr (1.42 lb)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
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 - 4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse feature
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC card
Card slots One One
Retail price $599 $520