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Olympus E-PL1s vs Pentax Q-S1

Portability
86
Imaging
47
Features
43
Overall
45
Olympus PEN E-PL1s front
 
Pentax Q-S1 front
Portability
92
Imaging
38
Features
54
Overall
44

Olympus E-PL1s vs Pentax Q-S1 Key Specs

Olympus E-PL1s
(Full Review)
  • 12MP - Four Thirds Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1280 x 720 video
  • Micro Four Thirds Mount
  • 334g - 115 x 72 x 42mm
  • Revealed November 2010
  • Replaced the Olympus E-PL1
  • Refreshed by Olympus E-PL2
Pentax Q-S1
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax Q Mount
  • 203g - 105 x 58 x 34mm
  • Revealed August 2014
Photography Glossary

Olympus E-PL1s vs Pentax Q-S1 Overview

In this article, we are reviewing the Olympus E-PL1s versus Pentax Q-S1, both Entry-Level Mirrorless cameras by competitors Olympus and Pentax. The sensor resolution of the E-PL1s (12MP) and the Q-S1 (12MP) is fairly close but the E-PL1s (Four Thirds) and Q-S1 (1/1.7") feature totally different sensor sizes.

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The E-PL1s was brought out 4 years prior to the Q-S1 and that is a fairly big difference as far as camera tech is concerned. Each of the cameras offer the identical body type (Rangefinder-style mirrorless).

Before going straight into a step-by-step comparison, below is a brief summary of how the E-PL1s matches up against the Q-S1 for portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-PL1s over the Pentax Q-S1

 E-PL1s Q-S1 

Reasons to pick Pentax Q-S1 over the Olympus E-PL1s

 Q-S1 E-PL1s 
RevealedAugust 2014November 2010Fresher by 45 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution460k230kClearer display (+230k dot)

Common features in the Olympus E-PL1s and Pentax Q-S1

 E-PL1s Q-S1 
Manually focus Very precise focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen
Touch friendly display Neither contains Touch friendly display

Olympus E-PL1s vs Pentax Q-S1 Physical Comparison

If you're intending to carry your camera, you need to factor its weight and volume. The Olympus E-PL1s has got outside measurements of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") and a weight of 334 grams (0.74 lbs) whilst the Pentax Q-S1 has sizing of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") having a weight of 203 grams (0.45 lbs).

Contrast the Olympus E-PL1s versus Pentax Q-S1 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ dependant on the lens you are employing at the time. The following is the front view dimension comparison of the E-PL1s vs the Q-S1.

Olympus E-PL1s vs Pentax Q-S1 size comparison

Looking at size and weight, the portability grade of the E-PL1s and Q-S1 is 86 and 92 respectively.

Olympus E-PL1s vs Pentax Q-S1 top view buttons comparison

Olympus E-PL1s vs Pentax Q-S1 Sensor Comparison

In many cases, it is tough to see the contrast in sensor sizing simply by viewing a spec sheet. The graphic below will give you a better sense of the sensor measurements in the E-PL1s and Q-S1.

As you can see, the two cameras offer the same exact resolution but not the same sensor sizing. The E-PL1s has the larger sensor which will make obtaining shallow DOF easier. The older E-PL1s will be behind when it comes to sensor innovation.

Olympus E-PL1s vs Pentax Q-S1 sensor size comparison

Olympus E-PL1s vs Pentax Q-S1 Screen and ViewFinder

Olympus E-PL1s vs Pentax Q-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PL1s Portrait photography information
Pentax Q-S1 Portrait photography information
60
manual focus
sensor size is nice (Four Thirds)
features face detect focusing
saves RAW files
megapixel count low (12MP)
46
you can focus manually
offers face detect focus
delivers RAW formats
megapixel count low (12 megapixels)
small sensor (1/1.7")
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Street Comparison

Olympus E-PL1s Street photography info
Pentax Q-S1 Street photography info
74
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
saves RAW files
screen does not articulate
69
built in image stabilization (Sensor based)
delivers RAW formats
lighter than others in class (203 grams)
fixed screen
small sensor (1/1.7")
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Sports Comparison

Sports photography with Olympus E-PL1s
Sports photography with Pentax Q-S1
44
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
features tracking focus
continuous shooting slow (3.0 frames/s)
megapixel count low (12 megapixels)
terrible battery (290 shots)
no phase detect AF
37
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
offers tracking focus
max fps very slow (5.0 frames per second)
megapixel count low (12MP)
small sensor (1/1.7")
not so great battery life (250 per charge)
no phase detect auto focus
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Travel Comparison

Olympus E-PL1s Travel photography details
Pentax Q-S1 Travel photography details
51
has built in flash
does not have Time Lapse mode
terrible battery (290 CIPA)
megapixel count low (12MP)
display isn't selfie friendly
60
lighter than others in class (203 grams)
flash built-in
not so great battery life (250 CIPA)
megapixel count low (12MP)
does not have a selfie friendly display
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Landscape Comparison

Olympus E-PL1s Landscape photography features
Pentax Q-S1 Landscape photography features
55
manual focus
switch lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
saves RAW files
tiny screen (2.7 inches)
megapixel count low (12MP)
terrible battery (290 CIPA)
does not have Time Lapse mode
55
you can focus manually
interchangeable lenses (Pentax Q mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
delivers RAW formats
megapixel count low (12MP)
small sensor (1/1.7")
not so great battery life (250 shots)
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Vlogging Comparison

Olympus E-PL1s Vlogging info
Pentax Q-S1 Vlogging info
29
has image stabilization (Sensor based)
features face detect focusing
display isn't selfie friendly
low res video (1280 x 720 resolution)
does not have mic port
35
built in image stabilization (Sensor based)
offers face detect focus
high res video (1920 x 1080 pxls)
lighter than others in class (203g)
does not have a selfie friendly display
no mic support
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Olympus E-PL1s vs Pentax Q-S1 Specifications

Detailed spec comparison table for Olympus E-PL1s and Pentax Q-S1
 Olympus PEN E-PL1sPentax Q-S1
General Information
Brand Olympus Pentax
Model type Olympus PEN E-PL1s Pentax Q-S1
Category Entry-Level Mirrorless Entry-Level Mirrorless
Revealed 2010-11-16 2014-08-04
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Truepic V Q Engine
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1/1.7"
Sensor dimensions 17.3 x 13mm 7.44 x 5.58mm
Sensor surface area 224.9mm² 41.5mm²
Sensor resolution 12MP 12MP
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Max resolution 4032 x 3024 4000 x 3000
Max native ISO 6400 12800
Lowest native ISO 100 100
RAW images
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 11 -
Lens
Lens mount type Micro Four Thirds Pentax Q
Available lenses 107 8
Focal length multiplier 2.1 4.8
Screen
Type of display Fixed Type Fixed Type
Display sizing 2.7 inches 3 inches
Resolution of display 230k dots 460k dots
Selfie friendly
Liveview
Touch function
Display technology HyperCrystal LCD AR (Anti-Reflective) coating -
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/2000s 1/8000s
Continuous shutter rate 3.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 10.00 m 4.90 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, redeye reduction, slow sync, trailing curtain sync
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash synchronize 1/160s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p)
Max video resolution 1280x720 1920x1080
Video data format Motion JPEG MPEG-4, H.264
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 334 grams (0.74 pounds) 203 grams (0.45 pounds)
Dimensions 115 x 72 x 42mm (4.5" x 2.8" x 1.7") 105 x 58 x 34mm (4.1" x 2.3" x 1.3")
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 life 290 pictures 250 pictures
Battery style Battery Pack Battery Pack
Battery ID BLS-1 D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse recording
Storage type SD/SDHC SD/SDHC/SDXC card
Card slots One One
Pricing at release $599 $250