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Olympus E-300 vs Pentax K-S1

Portability
67
Imaging
41
Features
31
Overall
37
Olympus E-300 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Olympus E-300 vs Pentax K-S1 Key Specs

Olympus E-300
(Full Review)
  • 8MP - Four Thirds Sensor
  • 1.8" Fixed Display
  • ISO 100 - 400 (Increase to 1600)
  • No Video
  • Micro Four Thirds Mount
  • 624g - 147 x 85 x 64mm
  • Launched January 2005
  • Additionally Known as EVOLT E-300
  • Successor is Olympus E-330
Pentax K-S1
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 558g - 121 x 93 x 70mm
  • Launched August 2014
  • Newer Model is Pentax K-S2
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Olympus E-300 vs Pentax K-S1 Overview

On this page, we are comparing the Olympus E-300 vs Pentax K-S1, both Advanced DSLR digital cameras by manufacturers Olympus and Pentax. There is a big difference between the resolutions of the E-300 (8MP) and K-S1 (20MP) and the E-300 (Four Thirds) and K-S1 (APS-C) posses totally different sensor sizes.

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The E-300 was launched 10 years earlier than the K-S1 which is quite a big gap as far as tech is concerned. The two cameras have the same body design (Mid-size SLR).

Before delving straight to a in depth comparison, here is a quick highlight of how the E-300 matches up vs the K-S1 in relation to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-300 over the Pentax K-S1

 E-300 K-S1 

Reasons to pick Pentax K-S1 over the Olympus E-300

 K-S1 E-300 
LaunchedAugust 2014January 2005More modern by 117 months
Display dimensions3"1.8"Larger display (+1.2")
Display resolution921k134kSharper display (+787k dot)

Common features in the Olympus E-300 and Pentax K-S1

 E-300 K-S1 
Manually focus More accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen
Touch friendly display Neither offers Touch friendly display

Olympus E-300 vs Pentax K-S1 Physical Comparison

If you are going to carry around your camera regularly, you're going to have to take into account its weight and dimensions. The Olympus E-300 offers external measurements of 147mm x 85mm x 64mm (5.8" x 3.3" x 2.5") and a weight of 624 grams (1.38 lbs) while the Pentax K-S1 has dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs).

Take a look at the Olympus E-300 vs Pentax K-S1 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached during that time. Underneath is a front view sizing comparison of the E-300 versus the K-S1.

Olympus E-300 vs Pentax K-S1 size comparison

Factoring in size and weight, the portability rating of the E-300 and K-S1 is 67 and 69 respectively.

Olympus E-300 vs Pentax K-S1 top view buttons comparison

Olympus E-300 vs Pentax K-S1 Sensor Comparison

Often, its hard to visualise the contrast between sensor sizes simply by checking specs. The picture below will give you a better sense of the sensor measurements in the E-300 and K-S1.

As you can plainly see, each of these cameras provide different megapixels and different sensor sizes. The E-300 due to its tinier sensor will make getting shallower depth of field tougher and the Pentax K-S1 will give you extra detail utilizing its extra 12MP. Greater resolution will also help you crop images more aggressively. The more aged E-300 is going to be disadvantaged when it comes to sensor innovation.

Olympus E-300 vs Pentax K-S1 sensor size comparison

Olympus E-300 vs Pentax K-S1 Screen and ViewFinder

Olympus E-300 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-300 Portrait photography features
Pentax K-S1 Portrait photography features
48
manual focus
sensor size is nice (Four Thirds)
exports RAW formats
doesn't have liveview
resolution not great (8MP)
77
has manual focus
resolution is good (20MP)
sensor size is nice (APS-C)
supports face detect focus
saves RAW formats
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Street Comparison

Olympus E-300 Street photography info
Pentax K-S1 Street photography info
51
sensor size is nice (Four Thirds)
exports RAW formats
screen is fixed
does not have image stabilization
low max ISO (400)
73
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
lighter than others in class (558g)
above average ISO range (51,200)
fixed screen
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Sports Comparison

Olympus E-300 as a Sports photography camera
Pentax K-S1 as a Sports photography camera
37
sensor size is nice (Four Thirds)
sensor has phase detect autofocus
doesn't have liveview
slow continuous shooting (3.0 frames per second)
does not have image stabilization
resolution not great (8 megapixels)
69
great max shutter speed (1/6,000s)
image stabilization (Sensor based)
resolution is good (20 megapixels)
sensor size is nice (APS-C)
supports tracking focus
sensor has phase detect auto focus
very slow continuous shooting (5.4 frames per second)
bad battery (410 shots)
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Travel Comparison

Olympus E-300 Travel photography features
Pentax K-S1 Travel photography features
45
built-in flash
missing Timelapse mode
resolution not great (8MP)
doesn't contain selfie friendly display
60
lighter than others in class (558g)
resolution is good (20MP)
built-in flash
missing Timelapse recording
bad battery (410 CIPA)
display is not selfie friendly
Photography Glossary

Landscape Comparison

Olympus E-300 as a Landscape photography camera
Pentax K-S1 as a Landscape photography camera
43
manual focus
switch lenses (Micro Four Thirds mount)
sensor size is nice (Four Thirds)
exports RAW formats
small screen (1.8")
doesn't have liveview
does not have image stabilization
resolution not great (8 megapixels)
low max ISO (400)
missing Timelapse mode
73
has manual focus
interchangeable lenses (Pentax KAF2 mount)
pretty good screen size (3")
image stabilization (Sensor based)
resolution is good (20MP)
sensor size is nice (APS-C)
does not have anti-alias filter
above average ISO range (51,200)
saves RAW formats
bad battery (410 CIPA)
missing Timelapse recording
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Vlogging Comparison

Olympus E-300 Vlogging features
Pentax K-S1 Vlogging features
9
no video
33
image stabilization (Sensor based)
supports face detect focus
high video quality (1920 x 1080 pxls)
lighter than others in class (558 grams)
display is not selfie friendly
missing microphone socket
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Olympus E-300 vs Pentax K-S1 Specifications

Detailed spec comparison table for Olympus E-300 and Pentax K-S1
 Olympus E-300Pentax K-S1
General Information
Brand Name Olympus Pentax
Model type Olympus E-300 Pentax K-S1
Other name EVOLT E-300 -
Type Advanced DSLR Advanced DSLR
Launched 2005-01-10 2014-08-27
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor - Prime MII
Sensor type CCD CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 8 megapixels 20 megapixels
Anti alias filter
Aspect ratio 4:3 3:2
Full resolution 3264 x 2448 5472 x 3648
Max native ISO 400 51200
Max boosted ISO 1600 -
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 3 11
Lens
Lens support Micro Four Thirds Pentax KAF2
Available lenses 45 151
Crop factor 2.1 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 1.8" 3"
Display resolution 134k dots 921k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.64x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/4000s 1/6000s
Continuous shooting rate 3.0 frames/s 5.4 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance - 10.00 m (at ISO 100)
Flash options Auto, Auto FP, Manual, Red-Eye Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Max video resolution None 1920x1080
Video file format - H.264
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 624 gr (1.38 lb) 558 gr (1.23 lb)
Physical dimensions 147 x 85 x 64mm (5.8" x 3.3" x 2.5") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO All around rating not tested 78
DXO Color Depth rating not tested 23.5
DXO Dynamic range rating not tested 13.0
DXO Low light rating not tested 1061
Other
Battery life - 410 images
Battery type - Battery Pack
Battery ID - D-LI109
Self timer Yes (2 or 12 sec) Yes ( 2 or 12 seconds)
Time lapse feature
Type of storage Compact Flash (Type I or II) SD/SDHC/SDXC
Card slots Single Single
Cost at launch $800 $339