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Olympus E-510 vs Pentax K-S1

Portability
69
Imaging
44
Features
42
Overall
43
Olympus E-510 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Olympus E-510 vs Pentax K-S1 Key Specs

Olympus E-510
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Micro Four Thirds Mount
  • 490g - 136 x 92 x 68mm
  • Announced November 2007
  • Additionally Known as EVOLT E-510
  • Superseded the Olympus E-500
  • Replacement is Olympus E-520
Pentax K-S1
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 558g - 121 x 93 x 70mm
  • Revealed August 2014
  • Refreshed by Pentax K-S2
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Olympus E-510 vs Pentax K-S1 Overview

Its time to take a deeper look at the Olympus E-510 and Pentax K-S1, both Advanced DSLR digital cameras by competitors Olympus and Pentax. There exists a substantial gap between the resolutions of the E-510 (10MP) and K-S1 (20MP) and the E-510 (Four Thirds) and K-S1 (APS-C) feature totally different sensor measurements.

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The E-510 was unveiled 7 years prior to the K-S1 which is quite a big difference as far as technology is concerned. The two cameras offer the identical body type (Mid-size SLR).

Before diving through a thorough comparison, below is a concise summation of how the E-510 matches up vs the K-S1 in regards to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-510 over the Pentax K-S1

 E-510 K-S1 

Reasons to pick Pentax K-S1 over the Olympus E-510

 K-S1 E-510 
RevealedAugust 2014November 2007More modern by 82 months
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution921k230kClearer screen (+691k dot)

Common features in the Olympus E-510 and Pentax K-S1

 E-510 K-S1 
Manually focus Very exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen
Touch screen Neither includes Touch screen

Olympus E-510 vs Pentax K-S1 Physical Comparison

In case you're planning to carry around your camera often, you'll need to take into account its weight and proportions. The Olympus E-510 features outside measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") accompanied by a weight of 490 grams (1.08 lbs) and the Pentax K-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

Check out the Olympus E-510 and Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary dependant on the lens you have during that time. The following is the front view scale comparison of the E-510 vs the K-S1.

Olympus E-510 vs Pentax K-S1 size comparison

Taking into consideration dimensions and weight, the portability score of the E-510 and K-S1 is 69 and 69 respectively.

Olympus E-510 vs Pentax K-S1 top view buttons comparison

Olympus E-510 vs Pentax K-S1 Sensor Comparison

Normally, it is tough to envision the contrast between sensor sizes simply by reading through specifications. The picture underneath should offer you a better sense of the sensor measurements in the E-510 and K-S1.

Plainly, both cameras enjoy different resolutions and different sensor sizes. The E-510 having a tinier sensor will make shooting bokeh trickier and the Pentax K-S1 will resolve more detail having an extra 10 Megapixels. Higher resolution will help you crop shots far more aggressively. The more aged E-510 is going to be disadvantaged with regard to sensor technology.

Olympus E-510 vs Pentax K-S1 sensor size comparison

Olympus E-510 vs Pentax K-S1 Screen and ViewFinder

Olympus E-510 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-510 Portrait photography highlights
Pentax K-S1 Portrait photography highlights
56
you can focus manually
decent sensor size (Four Thirds)
delivers RAW formats
low resolution (10 megapixels)
77
manual focus
megapixel count good (20 megapixels)
sensor size is good (APS-C)
has face detection autofocus
exports RAW formats
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Street Comparison

Olympus E-510 Street photography info
Pentax K-S1 Street photography info
68
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
lighter than competition (490g)
fixed screen
73
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
lighter than average (558 grams)
above average ISO range (51,200)
fixed screen
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Sports Comparison

Sports photography with Olympus E-510
Sports photography with Pentax K-S1
52
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
sensor has phase detect AF
slow frames per second (3.0 frames per second)
low resolution (10MP)
69
max shutter speed is good (1/6,000 seconds)
image stabilization (Sensor based)
megapixel count good (20 megapixels)
sensor size is good (APS-C)
has tracking autofocus
has phase detect autofocus
slow continuous shooting (5.4 frames per second)
not so great battery power (410 CIPA)
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Travel Comparison

Olympus E-510 as a Travel photography camera
Pentax K-S1 as a Travel photography camera
52
lighter than competition (490 grams)
flash built-in
no Time Lapse function
low resolution (10 megapixels)
display is not selfie friendly
60
lighter than average (558 grams)
megapixel count good (20MP)
has built in flash
no Time Lapse recording
not so great battery power (410 shots)
display is not selfie friendly
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Landscape Comparison

Olympus E-510 Landscape photography info
Pentax K-S1 Landscape photography info
55
you can focus manually
switch lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
small screen (2.5 inches)
low resolution (10 megapixels)
no Time Lapse function
73
manual focus
switch lenses (Pentax KAF2 mount)
good sized screen (3")
image stabilization (Sensor based)
megapixel count good (20MP)
sensor size is good (APS-C)
does not have low pass filter
above average ISO range (51,200)
exports RAW formats
not so great battery power (410 per charge)
no Time Lapse recording
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Vlogging Comparison

Olympus E-510 Vlogging information
Pentax K-S1 Vlogging information
9
no video shooting
33
image stabilization (Sensor based)
has face detection autofocus
video resolution high (1920 x 1080 pxls)
lighter than average (558g)
display is not selfie friendly
no external mic socket
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Olympus E-510 vs Pentax K-S1 Specifications

Detailed spec comparison table for Olympus E-510 and Pentax K-S1
 Olympus E-510Pentax K-S1
General Information
Brand Name Olympus Pentax
Model type Olympus E-510 Pentax K-S1
Also called as EVOLT E-510 -
Category Advanced DSLR Advanced DSLR
Announced 2007-11-23 2014-08-27
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Powered by - Prime MII
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 10 megapixels 20 megapixels
Anti alias filter
Aspect ratio 4:3 3:2
Full resolution 3648 x 2736 5472 x 3648
Max native ISO 1600 51200
Lowest native ISO 100 100
RAW photos
Autofocusing
Manual focusing
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 3 11
Lens
Lens support Micro Four Thirds Pentax KAF2
Number of lenses 45 151
Crop factor 2.1 1.5
Screen
Type of display Fixed Type Fixed Type
Display size 2.5 inch 3 inch
Resolution of display 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95% 100%
Viewfinder magnification 0.46x 0.64x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/6000 seconds
Continuous shooting rate 3.0fps 5.4fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 12.00 m (at ISO 100) 10.00 m (at ISO 100)
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
AEB
WB bracketing
Highest flash synchronize 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Max video resolution None 1920x1080
Video format - H.264
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 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 490 gr (1.08 pounds) 558 gr (1.23 pounds)
Dimensions 136 x 92 x 68mm (5.4" x 3.6" x 2.7") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO All around rating 52 78
DXO Color Depth rating 21.2 23.5
DXO Dynamic range rating 10.0 13.0
DXO Low light rating 442 1061
Other
Battery life - 410 shots
Form of battery - Battery Pack
Battery ID - D-LI109
Self timer Yes (2 or 12 sec) Yes ( 2 or 12 seconds)
Time lapse feature
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC
Card slots 1 1
Cost at launch $550 $339