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Olympus E-300 vs Pentax K20D

Portability
67
Imaging
41
Features
31
Overall
37
Olympus E-300 front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Olympus E-300 vs Pentax K20D 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
  • Released January 2005
  • Other Name is EVOLT E-300
  • Refreshed by Olympus E-330
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Revealed June 2008
  • Succeeded the Pentax K10D
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Olympus E-300 vs Pentax K20D Overview

Let's take a more detailed look at the Olympus E-300 versus Pentax K20D, both Advanced DSLR cameras by companies Olympus and Pentax. There exists a huge gap among the resolutions of the E-300 (8MP) and K20D (15MP) and the E-300 (Four Thirds) and K20D (APS-C) enjoy different sensor sizing.

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The E-300 was unveiled 4 years earlier than the K20D which is a fairly significant gap as far as camera technology is concerned. Both the cameras offer the identical body type (Mid-size SLR).

Before getting in to a in depth comparison, below is a concise summation of how the E-300 scores versus the K20D with regards to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-300 over the Pentax K20D

 E-300 K20D 

Reasons to pick Pentax K20D over the Olympus E-300

 K20D E-300 
RevealedJune 2008January 2005Newer by 42 months
Display sizing2.7"1.8"Larger display (+0.9")
Display resolution230k134kSharper display (+96k dot)

Common features in the Olympus E-300 and Pentax K20D

 E-300 K20D 
Manual focus Very exact focus
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch friendly display Neither provides Touch friendly display

Olympus E-300 vs Pentax K20D Physical Comparison

When you are looking to travel with your camera often, you will want to factor its weight and size. The Olympus E-300 provides exterior dimensions of 147mm x 85mm x 64mm (5.8" x 3.3" x 2.5") accompanied by a weight of 624 grams (1.38 lbs) while the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Examine the Olympus E-300 versus Pentax K20D in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are employing at that time. The following is the front view measurements comparison of the E-300 and the K20D.

Olympus E-300 vs Pentax K20D size comparison

Factoring in dimensions and weight, the portability score of the E-300 and K20D is 67 and 59 respectively.

Olympus E-300 vs Pentax K20D top view buttons comparison

Olympus E-300 vs Pentax K20D Sensor Comparison

Sometimes, it is tough to imagine the difference in sensor dimensions merely by going through a spec sheet. The pic below may provide you a clearer sense of the sensor dimensions in the E-300 and K20D.

As you can see, both of these cameras offer different megapixels and different sensor dimensions. The E-300 with its smaller sensor is going to make achieving shallow depth of field tougher and the Pentax K20D will show extra detail having an extra 7 Megapixels. Greater resolution can also allow you to crop pics a little more aggressively. The more aged E-300 will be behind with regard to sensor tech.

Olympus E-300 vs Pentax K20D sensor size comparison

Olympus E-300 vs Pentax K20D Screen and ViewFinder

Olympus E-300 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-300
Portrait photography with Pentax K20D
48
focusing manually
sensor size is decent (Four Thirds)
exports RAW files
no liveview feature
low MP (8MP)
71
manual focus
good MP (15 megapixels)
sensor size is decent (APS-C)
exports RAW files
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Street Comparison

Olympus E-300 Street photography info
Pentax K20D Street photography info
51
sensor size is decent (Four Thirds)
exports RAW files
screen is fixed
lack of image stabilization
low maximum ISO (400)
65
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
environment proofing
screen is fixed
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Sports Comparison

Olympus E-300 Sports photography information
Pentax K20D Sports photography information
37
sensor size is decent (Four Thirds)
comes with phase detect auto focus
no liveview feature
continuous shooting slow (3.0 frames per second)
lack of image stabilization
low MP (8MP)
68
image stabilization (Sensor based)
good MP (15 megapixels)
sensor size is decent (APS-C)
environment proofing
supports phase detect AF
painfully slow continuous shooting (3.0 frames/s)
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Travel Comparison

Olympus E-300 Travel photography info
Pentax K20D Travel photography info
45
has built in flash
does not have Timelapse recording
low MP (8 megapixels)
display isn't selfie friendly
64
environment proofing
good MP (15 megapixels)
built-in flash
display isn't selfie friendly
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Landscape Comparison

Olympus E-300 Landscape photography features
Pentax K20D Landscape photography features
43
focusing manually
switch lenses (Micro Four Thirds mount)
sensor size is decent (Four Thirds)
exports RAW files
screen is somewhat small (1.8")
no liveview feature
lack of image stabilization
low MP (8MP)
low maximum ISO (400)
does not have Timelapse recording
70
manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
good MP (15MP)
sensor size is decent (APS-C)
exports RAW files
environment proofing
screen is small (2.7 inch)
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Vlogging Comparison

Olympus E-300 as a Vlogging camera
Pentax K20D as a Vlogging camera
9
no video
9
can't shoot video
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Olympus E-300 vs Pentax K20D Specifications

Detailed spec comparison table for Olympus E-300 and Pentax K20D
 Olympus E-300Pentax K20D
General Information
Brand Olympus Pentax
Model Olympus E-300 Pentax K20D
Also called EVOLT E-300 -
Class Advanced DSLR Advanced DSLR
Released 2005-01-10 2008-06-25
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CCD CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.4 x 15.6mm
Sensor area 224.9mm² 365.0mm²
Sensor resolution 8MP 15MP
Anti aliasing filter
Aspect ratio 4:3 3:2
Highest resolution 3264 x 2448 4672 x 3104
Highest native ISO 400 3200
Highest boosted ISO 1600 6400
Min native ISO 100 100
RAW files
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 3 11
Lens
Lens mount Micro Four Thirds Pentax KAF2
Amount of lenses 45 151
Focal length multiplier 2.1 1.5
Screen
Type of display Fixed Type Fixed Type
Display sizing 1.8 inches 2.7 inches
Display resolution 134k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/4000s 1/4000s
Continuous shooting rate 3.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range - 13.00 m (at ISO 100)
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/180s 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Highest video resolution None None
Microphone support
Headphone support
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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 624 gr (1.38 lb) 800 gr (1.76 lb)
Dimensions 147 x 85 x 64mm (5.8" x 3.3" x 2.5") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around score not tested 65
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 11.1
DXO Low light score not tested 639
Other
Battery model - D-LI50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type Compact Flash (Type I or II) SD/MMC/SDHC card
Card slots One One
Retail price $800 $700