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Pentax K-1 vs Pentax K-S1

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 front
 
Pentax K-S1 front
Portability
69
Imaging
64
Features
70
Overall
66

Pentax K-1 vs Pentax K-S1 Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Released February 2016
  • Successor is Pentax K-1 II
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
  • Revealed August 2014
  • Updated by Pentax K-S2
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Pentax K-1 vs Pentax K-S1 Overview

Below, we are analyzing the Pentax K-1 versus Pentax K-S1, both Advanced DSLR cameras and both of them are manufactured by Pentax. There exists a sizeable gap among the resolutions of the K-1 (36MP) and K-S1 (20MP) and the K-1 (Full frame) and K-S1 (APS-C) possess totally different sensor sizes.

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The K-1 was announced 18 months after the K-S1 making the cameras a generation away from one another. Each of these cameras come with the identical body type (Mid-size SLR).

Before diving through a thorough comparison, below is a simple introduction of how the K-1 scores versus the K-S1 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-1 over the Pentax K-S1

 K-1 K-S1 
RevealedFebruary 2016August 2014Newer by 18 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimension3.2"3"Larger display (+0.2")
Display resolution1037k921kClearer display (+116k dot)

Reasons to pick Pentax K-S1 over the Pentax K-1

 K-S1 K-1 

Common features in the Pentax K-1 and Pentax K-S1

 K-1 K-S1 
Manually focus Dial exact focus
Selfie screen No selfie screen
Touch display No Touch display

Pentax K-1 vs Pentax K-S1 Physical Comparison

For anyone who is looking to travel with your camera frequently, you will need to take into account its weight and volume. The Pentax K-1 comes with exterior dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) and the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

See the Pentax K-1 versus Pentax K-S1 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Underneath is the front view measurements comparison of the K-1 and the K-S1.

Pentax K-1 vs Pentax K-S1 size comparison

Taking into account dimensions and weight, the portability score of the K-1 and K-S1 is 55 and 69 respectively.

Pentax K-1 vs Pentax K-S1 top view buttons comparison

Pentax K-1 vs Pentax K-S1 Sensor Comparison

Sometimes, it's tough to envision the gap in sensor dimensions merely by going through specifications. The pic here should offer you a stronger sense of the sensor sizes in the K-1 and K-S1.

To sum up, the two cameras posses different megapixel count and different sensor dimensions. The K-1 having a larger sensor will make getting shallow depth of field simpler and the Pentax K-1 will show more detail with its extra 16MP. Greater resolution will also let you crop images somewhat more aggressively. The newer K-1 will have an edge when it comes to sensor innovation.

Pentax K-1 vs Pentax K-S1 sensor size comparison

Pentax K-1 vs Pentax K-S1 Screen and ViewFinder

Pentax K-1 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 as a Portrait photography camera
Pentax K-S1 as a Portrait photography camera
85
manual focus
MP count amazing (36 megapixels)
sensor size is large (Full frame)
offers face detect autofocus
supports RAW formats
78
has manual focus
resolution is good (20MP)
sensor size is good (APS-C)
comes with face detect autofocus
delivers RAW files
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Street Comparison

Street photography with Pentax K-1
Street photography with Pentax K-S1
70
screen articulates
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW formats
environment sealing
great high ISO (204,800)
more heavy than competitors in class (1,010 grams)
73
has image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
lighter than competition (558g)
great ISO range (51,200)
screen is fixed
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Sports Comparison

Pentax K-1 Sports photography information
Pentax K-S1 Sports photography information
76
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
MP count amazing (36MP)
sensor size is large (Full frame)
offers tracking focus
environment sealing
comes with phase detect autofocus
continuous shooting slow (4.4 fps)
low battery pack (760 shots)
69
high shutter speed (1/6,000s)
has image stabilization (Sensor based)
resolution is good (20MP)
sensor size is good (APS-C)
comes with tracking focus
supports phase detect autofocus
slow frames per second (5.4 frames per second)
terrible battery life (410 per charge)
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Travel Comparison

Pentax K-1 Travel photography advice
Pentax K-S1 Travel photography advice
53
environment sealing
MP count amazing (36 megapixels)
low battery pack (760 per charge)
more heavy than competitors in class (1,010 grams)
does not offer selfie friendly screen
60
lighter than competition (558g)
resolution is good (20MP)
has built in flash
doesn't have Time Lapse mode
terrible battery life (410 per charge)
does not posses selfie friendly display
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Landscape Comparison

Pentax K-1 Landscape photography details
Pentax K-S1 Landscape photography details
81
manual focus
swap lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inches)
has image stabilization (Sensor based 5-axis)
MP count amazing (36 megapixels)
sensor size is large (Full frame)
no anti-alias filter
great high ISO (204,800)
supports RAW formats
environment sealing
2 card slots
low battery pack (760 per charge)
73
has manual focus
interchangeable lenses (Pentax KAF2 mount)
screen is a good size (3 inch)
has image stabilization (Sensor based)
resolution is good (20 megapixels)
sensor size is good (APS-C)
does not have low pass filter
great ISO range (51,200)
delivers RAW files
terrible battery life (410 shots)
doesn't have Time Lapse mode
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Vlogging Comparison

Pentax K-1 Vlogging highlights
Pentax K-S1 Vlogging highlights
31
has image stabilization (Sensor based 5-axis)
offers face detect autofocus
good video quality (1920 x 1080 pixels)
does have microphone support
does not offer selfie friendly screen
more heavy than competitors in class (1,010 grams)
33
has image stabilization (Sensor based)
comes with face detect autofocus
video resolution high (1920 x 1080 resolution)
lighter than competition (558g)
does not posses selfie friendly display
doesn't have mic support
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Pentax K-1 vs Pentax K-S1 Specifications

Detailed spec comparison table for Pentax K-1 and Pentax K-S1
 Pentax K-1Pentax K-S1
General Information
Brand Name Pentax Pentax
Model Pentax K-1 Pentax K-S1
Type Advanced DSLR Advanced DSLR
Released 2016-02-17 2014-08-27
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor - Prime MII
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 24mm 23.5 x 15.6mm
Sensor surface area 861.6mm² 366.6mm²
Sensor resolution 36MP 20MP
Anti aliasing filter
Aspect ratio 3:2 3:2
Max resolution 7360 x 4912 5472 x 3648
Max native ISO 204800 51200
Min native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 33 11
Cross focus points 25 -
Lens
Lens mount Pentax KAF2 Pentax KAF2
Available lenses 151 151
Crop factor 1 1.5
Screen
Display type Fully Articulated Fixed Type
Display size 3.2" 3"
Display resolution 1,037k dots 921k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.64x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/6000 secs
Continuous shutter rate 4.4 frames/s 5.4 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range no built-in flash 10.00 m (at ISO 100)
Flash modes Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize 1/200 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Max video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 grams (2.23 pounds) 558 grams (1.23 pounds)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO Overall score 96 78
DXO Color Depth score 25.4 23.5
DXO Dynamic range score 14.6 13.0
DXO Low light score 3280 1061
Other
Battery life 760 photographs 410 photographs
Battery style Battery Pack Battery Pack
Battery model D-LI90 D-LI109
Self timer Yes (2 or 12 sec, custom) Yes ( 2 or 12 seconds)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC
Card slots Two Single
Price at release $1,499 $339