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Panasonic GH5S vs Pentax K-S1

Portability
62
Imaging
50
Features
82
Overall
62
Panasonic Lumix DC-GH5S front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Panasonic GH5S vs Pentax K-S1 Key Specs

Panasonic GH5S
(Full Review)
  • 10MP - Four Thirds Sensor
  • 3.2" Fully Articulated Screen
  • ISO 160 - 51200 (Boost to 204800)
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 660g - 139 x 98 x 87mm
  • Introduced January 2018
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
  • Released August 2014
  • Replacement is Pentax K-S2
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Panasonic GH5S vs Pentax K-S1 Overview

Its time to look more in depth at the Panasonic GH5S vs Pentax K-S1, one being a Pro Mirrorless and the other is a Advanced DSLR by rivals Panasonic and Pentax. There is a huge difference among the image resolutions of the GH5S (10MP) and K-S1 (20MP) and the GH5S (Four Thirds) and K-S1 (APS-C) provide totally different sensor sizes.

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The GH5S was manufactured 3 years later than the K-S1 and that is a fairly significant gap as far as camera tech is concerned. Both of the cameras have different body design with the Panasonic GH5S being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go into a in depth comparison, here is a brief summation of how the GH5S matches up against the K-S1 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Panasonic GH5S over the Pentax K-S1

 GH5S K-S1 
ReleasedJanuary 2018August 2014More recent by 41 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3.2"3"Larger display (+0.2")
Display resolution1620k921kCrisper display (+699k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Reasons to pick Pentax K-S1 over the Panasonic GH5S

 K-S1 GH5S 

Common features in the Panasonic GH5S and Pentax K-S1

 GH5S K-S1 
Focus manually More accurate focusing

Panasonic GH5S vs Pentax K-S1 Physical Comparison

For anybody who is planning to lug around your camera regularly, you should factor in its weight and volume. The Panasonic GH5S offers exterior measurements of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") accompanied by a weight of 660 grams (1.46 lbs) and the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Compare the Panasonic GH5S vs Pentax K-S1 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that moment. The following is a front view size comparison of the GH5S versus the K-S1.

Panasonic GH5S vs Pentax K-S1 size comparison

Considering size and weight, the portability rating of the GH5S and K-S1 is 62 and 69 respectively.

Panasonic GH5S vs Pentax K-S1 top view buttons comparison

Panasonic GH5S vs Pentax K-S1 Sensor Comparison

Often, it is very hard to envision the difference in sensor measurements purely by researching specs. The graphic here may provide you a better sense of the sensor measurements in the GH5S and K-S1.

As you can plainly see, both of these cameras have different resolutions and different sensor measurements. The GH5S because of its smaller sensor will make shooting shallow DOF tougher and the Pentax K-S1 will provide you with extra detail due to its extra 10 Megapixels. Greater resolution will enable you to crop pics a bit more aggressively. The newer GH5S is going to have an edge when it comes to sensor tech.

Panasonic GH5S vs Pentax K-S1 sensor size comparison

Panasonic GH5S vs Pentax K-S1 Screen and ViewFinder

Panasonic GH5S vs Pentax K-S1 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Panasonic GH5S Portrait photography advice
Pentax K-S1 Portrait photography advice
62
has manual focus
sensor size is nice (Four Thirds)
has face detect focusing
exports RAW files
low megapixels (10 megapixels)
77
focusing manually
megapixel count decent (20 megapixels)
nice sensor size (APS-C)
comes with face detect focusing
exports RAW formats
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Street Comparison

Panasonic GH5S Street photography factors
Pentax K-S1 Street photography factors
68
screen articulates fully
sensor size is nice (Four Thirds)
exports RAW files
provides touch to focus
weather proofing
good high ISO (51,200)
lack of image stabilization
73
has image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
lighter than competition in class (558 grams)
very good high ISO (51,200)
screen does not articulate
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Sports Comparison

Panasonic GH5S Sports photography features
Pentax K-S1 Sports photography features
56
maximum shutter speed is high (1/8,000s)
quiet shutter (1/16,000s)
sensor size is nice (Four Thirds)
has tracking focus
weather proofing
lack of image stabilization
low megapixels (10MP)
lacks phase detect AF
69
great max shutter speed (1/6,000 seconds)
has image stabilization (Sensor based)
megapixel count decent (20MP)
nice sensor size (APS-C)
comes with tracking focus
has phase detect AF
max fps low (5.4 fps)
bad battery power (410 shots)
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Travel Comparison

Panasonic GH5S as a Travel photography camera
Pentax K-S1 as a Travel photography camera
61
weather proofing
has bluetooth
provides touch to focus
display is selfie friendly
no Time Lapse mode
low megapixels (10 megapixels)
60
lighter than competition in class (558g)
megapixel count decent (20 megapixels)
flash built-in
doesn't have Timelapse function
bad battery power (410 shots)
doesn't have selfie friendly screen
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Landscape Comparison

Panasonic GH5S Landscape photography info
Pentax K-S1 Landscape photography info
63
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3.2")
sensor size is nice (Four Thirds)
doesnt have anti-alias filter
good high ISO (51,200)
exports RAW files
weather proofing
has dual storage slots
lack of image stabilization
low megapixels (10MP)
no Time Lapse mode
73
focusing manually
change lenses (Pentax KAF2 mount)
screen is a decent size (3 inch)
has image stabilization (Sensor based)
megapixel count decent (20 megapixels)
nice sensor size (APS-C)
doesnt have anti-alias filter
very good high ISO (51,200)
exports RAW formats
bad battery power (410 shots)
doesn't have Timelapse function
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Vlogging Comparison

Panasonic GH5S Vlogging details
Pentax K-S1 Vlogging details
68
display is selfie friendly
screen is touchscreen
has face detect focusing
good video quality (4096 x 2160 resolution)
does have mic jack
lack of image stabilization
33
has image stabilization (Sensor based)
comes with face detect focusing
high quality video (1920 x 1080 pxls)
lighter than competition in class (558g)
doesn't have selfie friendly screen
doesn't have microphone port
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Panasonic GH5S vs Pentax K-S1 Specifications

Detailed spec comparison table for Panasonic GH5S and Pentax K-S1
 Panasonic Lumix DC-GH5SPentax K-S1
General Information
Make Panasonic Pentax
Model type Panasonic Lumix DC-GH5S Pentax K-S1
Category Pro Mirrorless Advanced DSLR
Introduced 2018-01-08 2014-08-27
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Chip Venus Engine 10 Prime MII
Sensor type CMOS 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 10MP 20MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest resolution 3680 x 2760 5472 x 3648
Highest native ISO 51200 51200
Highest boosted ISO 204800 -
Lowest native ISO 160 100
RAW data
Lowest boosted ISO 80 -
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 225 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Total lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Screen type Fully Articulated Fixed Type
Screen size 3.2 inch 3 inch
Resolution of screen 1,620k dot 921k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 3,680k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.76x 0.64x
Features
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/8000 secs 1/6000 secs
Highest silent shutter speed 1/16000 secs -
Continuous shooting speed 12.0 frames per second 5.4 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 10.00 m (at ISO 100)
Flash options Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 4096 x 2160 @ 60p / 150 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Highest video resolution 4096x2160 1920x1080
Video file format MPEG-4, H.264, H.265 H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.1 USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 660g (1.46 pounds) 558g (1.23 pounds)
Physical dimensions 139 x 98 x 87mm (5.5" x 3.9" x 3.4") 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 440 images 410 images
Battery form Battery Pack Battery Pack
Battery ID DMW-BLF19 D-LI109
Self timer Yes (2 or 10 secs, 10 secs w/3 images) Yes ( 2 or 12 seconds)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC cards (UHS-II V60 cards supported) SD/SDHC/SDXC
Storage slots Two 1
Launch cost $2,498 $339