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Olympus 1s vs Pentax K-3

Portability
79
Imaging
38
Features
66
Overall
49
Olympus Stylus 1s front
 
Pentax K-3 front
Portability
59
Imaging
66
Features
85
Overall
73

Olympus 1s vs Pentax K-3 Key Specs

Olympus 1s
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Tilting Screen
  • ISO 100 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-300mm (F2.8) lens
  • 402g - 116 x 87 x 57mm
  • Introduced April 2015
  • Old Model is Olympus 1
Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Revealed April 2014
  • Replacement is Pentax K-3 II
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Olympus 1s vs Pentax K-3 Overview

Let's take a closer look at the Olympus 1s versus Pentax K-3, one being a Small Sensor Superzoom and the other is a Advanced DSLR by manufacturers Olympus and Pentax. There is a big difference between the image resolutions of the 1s (12MP) and K-3 (24MP) and the 1s (1/1.7") and K-3 (APS-C) come with totally different sensor sizes.

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The 1s was launched 13 months later than the K-3 making the cameras a generation apart from each other. Each of the cameras come with different body type with the Olympus 1s being a SLR-like (bridge) camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving in to a comprehensive comparison, below is a simple introduction of how the 1s scores vs the K-3 in regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus 1s over the Pentax K-3

 1s K-3 
RevealedApril 2015April 2014More recent by 13 months
Display typeTiltingFixed Tilting display
Display resolution1040k1037kSharper display (+3k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K-3 over the Olympus 1s

 K-3 1s 
Display dimension3.2"3"Larger display (+0.2")

Common features in the Olympus 1s and Pentax K-3

 1s K-3 
Focus manually Very accurate focusing
Selfie screen No selfie screen

Olympus 1s vs Pentax K-3 Physical Comparison

For anybody who is going to lug around your camera, you need to factor its weight and volume. The Olympus 1s provides external measurements of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") along with a weight of 402 grams (0.89 lbs) whilst the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

Look at the Olympus 1s versus Pentax K-3 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that time. Underneath is the front view scale comparison of the 1s vs the K-3.

Olympus 1s vs Pentax K-3 size comparison

Taking into account size and weight, the portability grade of the 1s and K-3 is 79 and 59 respectively.

Olympus 1s vs Pentax K-3 top view buttons comparison

Olympus 1s vs Pentax K-3 Sensor Comparison

In many cases, it is hard to envision the difference between sensor measurements only by looking at a spec sheet. The graphic below will help offer you a more clear sense of the sensor sizing in the 1s and K-3.

Clearly, each of these cameras have got different resolutions and different sensor measurements. The 1s due to its tinier sensor will make shooting shallow depth of field more difficult and the Pentax K-3 will give you more detail utilizing its extra 12MP. Greater resolution will enable you to crop photos much more aggressively. The more modern 1s is going to have an advantage when it comes to sensor tech.

Olympus 1s vs Pentax K-3 sensor size comparison

Olympus 1s vs Pentax K-3 Screen and ViewFinder

Olympus 1s vs Pentax K-3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus 1s Portrait photography features
Pentax K-3 Portrait photography features
46
focusing manually
provides face detect autofocus
supports RAW formats
resolution not great (12 megapixels)
sensor size is very small (1/1.7")
79
focusing manually
sensor resolution is decent (24MP)
decent sensor size (APS-C)
comes with face detection focus
saves RAW files
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Street Comparison

Olympus 1s Street photography features
Pentax K-3 Street photography features
71
tilting screen
built in image stabilization (Optical)
supports RAW formats
supports focus by touch
sensor size is very small (1/1.7")
69
built in image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
weather proof
above average ISO range (51,200)
screen does not articulate
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Sports Comparison

Olympus 1s Sports photography information
Pentax K-3 Sports photography information
44
built in image stabilization (Optical)
provides tracking focus
great battery pack (450 shots)
resolution not great (12MP)
sensor size is very small (1/1.7")
lacks phase detect autofocus
76
high shutter speed (1/8,000s)
built in image stabilization (Sensor based)
sensor resolution is decent (24 megapixels)
decent sensor size (APS-C)
comes with tracking autofocus
weather proof
supports phase detect auto focus
bad battery (560 CIPA)
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Travel Comparison

Olympus 1s Travel photography highlights
Pentax K-3 Travel photography highlights
64
great battery pack (450 per charge)
supports focus by touch
flash built-in
decently wide (28mm)
very long reach (300mm)
resolution not great (12 megapixels)
does not contain selfie friendly display
slow max aperture (f2.8)
60
weather proof
sensor resolution is decent (24 megapixels)
flash built-in
bad battery (560 shots)
doesn't have a selfie friendly screen
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Landscape Comparison

Olympus 1s Landscape photography features
Pentax K-3 Landscape photography features
53
focusing manually
decently wide (28mm)
good sized screen (3")
built in image stabilization (Optical)
supports RAW formats
great battery pack (450 shots)
lens is fixed (fixed lens mount)
slow max aperture (f2.8)
resolution not great (12 megapixels)
sensor size is very small (1/1.7")
78
focusing manually
swap lenses (Pentax KAF2 mount)
nice screen size (3.2 inch)
built in image stabilization (Sensor based)
sensor resolution is decent (24 megapixels)
decent sensor size (APS-C)
no anti aliasing filter
above average ISO range (51,200)
saves RAW files
weather proof
two card slots
bad battery (560 CIPA)
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Vlogging Comparison

Olympus 1s as a Vlogging camera
Pentax K-3 as a Vlogging camera
32
decently wide (28mm)
touchscreen
built in image stabilization (Optical)
provides face detect autofocus
video res high (1920 x 1080 resolution)
slow max aperture (f2.8)
does not contain selfie friendly display
doesn't have microphone port
34
built in image stabilization (Sensor based)
comes with face detection focus
good video quality (1920 x 1080 pxls)
comes with external mic socket
doesn't have a selfie friendly screen
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Olympus 1s vs Pentax K-3 Specifications

Detailed spec comparison table for Olympus 1s and Pentax K-3
 Olympus Stylus 1sPentax K-3
General Information
Brand Name Olympus Pentax
Model Olympus Stylus 1s Pentax K-3
Category Small Sensor Superzoom Advanced DSLR
Introduced 2015-04-13 2014-04-10
Physical type SLR-like (bridge) Mid-size SLR
Sensor Information
Chip - Prime III
Sensor type BSI-CMOS CMOS
Sensor size 1/1.7" APS-C
Sensor dimensions 7.44 x 5.58mm 23.5 x 15.6mm
Sensor area 41.5mm² 366.6mm²
Sensor resolution 12MP 24MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Maximum resolution 3968 x 2976 6016 x 4000
Maximum native ISO 12800 51200
Min native ISO 100 100
RAW images
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 35 27
Cross focus points - 25
Lens
Lens mounting type fixed lens Pentax KAF2
Lens focal range 28-300mm (10.7x) -
Maximal aperture f/2.8 -
Macro focus distance 5cm -
Amount of lenses - 151
Crop factor 4.8 1.5
Screen
Screen type Tilting Fixed Type
Screen diagonal 3 inches 3.2 inches
Screen resolution 1,040 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch screen
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 1,440 thousand dots -
Viewfinder coverage 100% 100%
Viewfinder magnification - 0.64x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/2000s 1/8000s
Continuous shooting rate 7.0 frames/s 8.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range 10.30 m (at ISO 1600) 13.00 m (at ISO 100)
Flash modes Auto, redeye reduction, fill-on, off, redeye reduction slow sync, full, manual Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize - 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30p), 1280 x 720 (30p) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Maximum video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 402g (0.89 lb) 800g (1.76 lb)
Dimensions 116 x 87 x 57mm (4.6" x 3.4" x 2.2") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around score not tested 80
DXO Color Depth score not tested 23.7
DXO Dynamic range score not tested 13.4
DXO Low light score not tested 1216
Other
Battery life 450 images 560 images
Battery type Battery Pack Battery Pack
Battery model BLS-50 D-LI90
Self timer Yes (2 or 12 sec, custom) Yes ( 2 or 12 seconds)
Time lapse recording
Storage type SD/SDHC/SDXC card Dual SD/SDHC/SDXC
Card slots 1 2
Launch pricing $699 $639