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Olympus E-300 vs Pentax K100D

Portability
67
Imaging
41
Features
31
Overall
37
Olympus E-300 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Olympus E-300 vs Pentax K100D Key Specs

Olympus E-300
(Full Review)
  • 8MP - Four Thirds Sensor
  • 1.8" Fixed Display
  • ISO 100 - 400 (Raise to 1600)
  • No Video
  • Micro Four Thirds Mount
  • 624g - 147 x 85 x 64mm
  • Introduced January 2005
  • Alternative Name is EVOLT E-300
  • Later Model is Olympus E-330
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Revealed December 2006
  • Renewed by Pentax K100D S
Photography Glossary

Olympus E-300 vs Pentax K100D Overview

Its time to examine more in depth at the Olympus E-300 and Pentax K100D, one is a Advanced DSLR and the other is a Entry-Level DSLR by brands Olympus and Pentax. There exists a significant gap among the sensor resolutions of the E-300 (8MP) and K100D (6MP) and the E-300 (Four Thirds) and K100D (APS-C) possess totally different sensor size.

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The E-300 was unveiled 23 months before the K100D making the cameras a generation away from one another. Both the cameras offer different body type with the Olympus E-300 being a Mid-size SLR camera and the Pentax K100D being a Compact SLR camera.

Before we go in to a in depth comparison, below is a simple synopsis of how the E-300 scores versus the K100D when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-300 over the Pentax K100D

 E-300 K100D 

Reasons to pick Pentax K100D over the Olympus E-300

 K100D E-300 
RevealedDecember 2006January 2005Newer by 23 months
Display sizing2.5"1.8"Larger display (+0.7")
Display resolution210k134kCrisper display (+76k dot)

Common features in the Olympus E-300 and Pentax K100D

 E-300 K100D 
Manually focus More exact focus
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen
Touch display Lack of Touch display

Olympus E-300 vs Pentax K100D Physical Comparison

When you are going to travel with your camera regularly, you will have to think about its weight and measurements. The Olympus E-300 has got exterior dimensions of 147mm x 85mm x 64mm (5.8" x 3.3" x 2.5") with a weight of 624 grams (1.38 lbs) whilst the Pentax K100D has proportions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs).

Check out the Olympus E-300 and Pentax K100D in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at the time. Following is the front view dimension comparison of the E-300 against the K100D.

Olympus E-300 vs Pentax K100D size comparison

Considering dimensions and weight, the portability grade of the E-300 and K100D is 67 and 64 respectively.

Olympus E-300 vs Pentax K100D top view buttons comparison

Olympus E-300 vs Pentax K100D Sensor Comparison

Quite often, its hard to envision the contrast in sensor dimensions simply by going through specifications. The image underneath will help give you a more clear sense of the sensor sizes in the E-300 and K100D.

Plainly, both cameras offer different resolutions and different sensor dimensions. The E-300 using its smaller sensor will make shooting shallower depth of field tougher and the Olympus E-300 will produce extra detail having an extra 2 Megapixels. Greater resolution will also make it easier to crop images a little more aggressively. The more aged E-300 will be behind in sensor technology.

Olympus E-300 vs Pentax K100D sensor size comparison

Olympus E-300 vs Pentax K100D Screen and ViewFinder

Olympus E-300 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-300 Portrait photography highlights
Pentax K100D Portrait photography highlights
48
you can focus manually
nice sensor size (Four Thirds)
delivers RAW formats
no liveview
sensor resolution not great (8 megapixels)
51
has manual focus
decent sensor size (APS-C)
exports RAW files
does not have liveview
sensor resolution low (6MP)
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Street Comparison

Olympus E-300 Street photography features
Pentax K100D Street photography features
51
nice sensor size (Four Thirds)
delivers RAW formats
no moving screen
does not have image stabilization
max ISO too low (400)
58
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
no moving screen
more heavy than competition (660 grams)
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Sports Comparison

Olympus E-300 Sports photography factors
Pentax K100D Sports photography factors
37
nice sensor size (Four Thirds)
comes with phase detect auto focus
no liveview
slow continuous shooting (3.0 frames/s)
does not have image stabilization
sensor resolution not great (8 megapixels)
47
image stabilization (Sensor based)
decent sensor size (APS-C)
has phase detect AF
does not have liveview
very slow continuous shooting (3.0 fps)
sensor resolution low (6MP)
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Travel Comparison

Olympus E-300 Travel photography details
Pentax K100D Travel photography details
45
built-in flash
missing Time Lapse recording
sensor resolution not great (8MP)
does not have a selfie friendly screen
42
has built in flash
lack of Timelapse recording
more heavy than competition (660 grams)
sensor resolution low (6MP)
doesn't have selfie friendly display
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Landscape Comparison

Olympus E-300 Landscape photography information
Pentax K100D Landscape photography information
43
you can focus manually
swap lenses (Micro Four Thirds mount)
nice sensor size (Four Thirds)
delivers RAW formats
screen is small (1.8")
no liveview
does not have image stabilization
sensor resolution not great (8MP)
max ISO too low (400)
missing Time Lapse recording
52
has manual focus
switch lenses (Pentax KAF mount)
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
small screen (2.5 inch)
does not have liveview
sensor resolution low (6 megapixels)
lack of Timelapse recording
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Vlogging Comparison

Olympus E-300 Vlogging advice
Pentax K100D Vlogging advice
9
no video recording
9
no video recording
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Olympus E-300 vs Pentax K100D Specifications

Detailed spec comparison table for Olympus E-300 and Pentax K100D
 Olympus E-300Pentax K100D
General Information
Brand Olympus Pentax
Model Olympus E-300 Pentax K100D
Otherwise known as EVOLT E-300 -
Category Advanced DSLR Entry-Level DSLR
Introduced 2005-01-10 2006-12-03
Body design Mid-size SLR Compact SLR
Sensor Information
Sensor type CCD CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor surface area 224.9mm² 369.0mm²
Sensor resolution 8MP 6MP
Anti aliasing filter
Aspect ratio 4:3 3:2
Highest resolution 3264 x 2448 3008 x 2008
Highest native ISO 400 3200
Highest boosted ISO 1600 -
Min native ISO 100 200
RAW files
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 3 11
Lens
Lens mounting type Micro Four Thirds Pentax KAF
Number of lenses 45 151
Crop factor 2.1 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 1.8 inch 2.5 inch
Display resolution 134 thousand dot 210 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/4000s 1/4000s
Continuous shooting speed 3.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye reduction
Hot shoe
AEB
White balance bracketing
Highest flash sync 1/180s 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Highest video resolution None None
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 624 gr (1.38 lb) 660 gr (1.46 lb)
Dimensions 147 x 85 x 64mm (5.8" x 3.3" x 2.5") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model - 4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage Compact Flash (Type I or II) SD/MMC card
Storage slots 1 1
Price at launch $800 $0