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Panasonic GX85 vs Pentax K-S1

Portability
83
Imaging
54
Features
76
Overall
62
Panasonic Lumix DMC-GX85 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Panasonic GX85 vs Pentax K-S1 Key Specs

Panasonic GX85
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 426g - 122 x 71 x 44mm
  • Released April 2016
  • Alternative Name is Lumix DMC-GX80 / Lumix DMC-GX7 Mark 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 Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 558g - 121 x 93 x 70mm
  • Revealed August 2014
  • Replacement is Pentax K-S2
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Panasonic GX85 vs Pentax K-S1 Overview

Let's look a little more in depth at the Panasonic GX85 versus Pentax K-S1, former is a Advanced Mirrorless while the other is a Advanced DSLR by brands Panasonic and Pentax. The sensor resolution of the GX85 (16MP) and the K-S1 (20MP) is very close but the GX85 (Four Thirds) and K-S1 (APS-C) come with totally different sensor sizing.

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The GX85 was released 20 months after the K-S1 making the cameras a generation away from one another. Each of the cameras come with different body type with the Panasonic GX85 being a Rangefinder-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before delving straight into a in depth comparison, below is a short summary of how the GX85 matches up versus the K-S1 in regards to portability, imaging, features and an overall score.

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Reasons to pick Panasonic GX85 over the Pentax K-S1

 GX85 K-S1 
RevealedApril 2016August 2014More modern by 20 months
Display typeTiltingFixed Tilting display
Display resolution1040k921kCrisper display (+119k dot)
Touch display Easily navigate

Reasons to pick Pentax K-S1 over the Panasonic GX85

 K-S1 GX85 

Common features in the Panasonic GX85 and Pentax K-S1

 GX85 K-S1 
Focus manually Very exact focusing
Display dimension3"3"Identical display measurement
Selfie screen Lacking selfie screen

Panasonic GX85 vs Pentax K-S1 Physical Comparison

In case you're intending to carry around your camera, you'll need to consider its weight and measurements. The Panasonic GX85 comes with outside measurements of 122mm x 71mm x 44mm (4.8" x 2.8" x 1.7") with a weight of 426 grams (0.94 lbs) while the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

Look at the Panasonic GX85 versus Pentax K-S1 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ depending on the lens you have at that time. Underneath is the front view measurement comparison of the GX85 and the K-S1.

Panasonic GX85 vs Pentax K-S1 size comparison

Factoring in dimensions and weight, the portability rating of the GX85 and K-S1 is 83 and 69 respectively.

Panasonic GX85 vs Pentax K-S1 top view buttons comparison

Panasonic GX85 vs Pentax K-S1 Sensor Comparison

Quite often, it is very tough to visualise the gap in sensor sizes merely by researching specifications. The image underneath may give you a stronger sense of the sensor sizing in the GX85 and K-S1.

To sum up, both cameras have got different megapixels and different sensor sizes. The GX85 because of its smaller sensor will make shooting shallow DOF trickier and the Pentax K-S1 will render more detail as a result of its extra 4MP. Greater resolution can also make it easier to crop pics much more aggressively. The more modern GX85 will have an advantage with regard to sensor technology.

Panasonic GX85 vs Pentax K-S1 sensor size comparison

Panasonic GX85 vs Pentax K-S1 Screen and ViewFinder

Panasonic GX85 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic GX85
Portrait photography with Pentax K-S1
72
focusing manually
good megapixels (16MP)
sensor size is good (Four Thirds)
includes face detection focusing
saves RAW formats
77
manual focus
good MP (20MP)
sensor size is good (APS-C)
comes with face detection autofocus
supports RAW formats
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Street Comparison

Street photography with Panasonic GX85
Street photography with Pentax K-S1
83
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
saves RAW formats
comes with focus via touch
good ISO range (25,600)
73
has image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
lighter than competitors in class (558 grams)
very good ISO range (51,200)
fixed screen
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Sports Comparison

Panasonic GX85 Sports photography information
Pentax K-S1 Sports photography information
62
quiet mode (1/16,000 seconds)
built in image stabilization (Sensor based 5-axis)
good megapixels (16 megapixels)
sensor size is good (Four Thirds)
includes tracking autofocus
not so great battery (290 CIPA)
does not have phase detect AF
69
max shutter speed is good (1/6,000 seconds)
has image stabilization (Sensor based)
good MP (20 megapixels)
sensor size is good (APS-C)
comes with tracking autofocus
supports phase detect autofocus
max frames per second low (5.4 frames per second)
terrible battery pack (410 per charge)
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Travel Comparison

Panasonic GX85 Travel photography features
Pentax K-S1 Travel photography features
68
comes with focus via touch
good megapixels (16 megapixels)
has built in flash
not so great battery (290 shots)
doesn't contain selfie friendly display
60
lighter than competitors in class (558g)
good MP (20 megapixels)
built-in flash
missing Timelapse function
terrible battery pack (410 CIPA)
does not have selfie friendly display
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Landscape Comparison

Landscape photography with Panasonic GX85
Landscape photography with Pentax K-S1
74
focusing manually
interchangeable lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based 5-axis)
good megapixels (16 megapixels)
sensor size is good (Four Thirds)
does not have low pass filter
good ISO range (25,600)
saves RAW formats
not so great battery (290 per charge)
73
manual focus
switch lenses (Pentax KAF2 mount)
pretty good screen size (3")
has image stabilization (Sensor based)
good MP (20 megapixels)
sensor size is good (APS-C)
does not have anti-alias filter
very good ISO range (51,200)
supports RAW formats
terrible battery pack (410 CIPA)
missing Timelapse function
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Vlogging Comparison

Panasonic GX85 Vlogging advice
Pentax K-S1 Vlogging advice
35
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
includes face detection focusing
high quality video (3840 x 2160 pxls)
doesn't contain selfie friendly display
missing external microphone jack
33
has image stabilization (Sensor based)
comes with face detection autofocus
high quality video (1920 x 1080 pixels)
lighter than competitors in class (558g)
does not have selfie friendly display
missing external microphone port
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Panasonic GX85 vs Pentax K-S1 Specifications

Detailed spec comparison table for Panasonic GX85 and Pentax K-S1
 Panasonic Lumix DMC-GX85Pentax K-S1
General Information
Make Panasonic Pentax
Model type Panasonic Lumix DMC-GX85 Pentax K-S1
Also called Lumix DMC-GX80 / Lumix DMC-GX7 Mark II -
Category Advanced Mirrorless Advanced DSLR
Released 2016-04-05 2014-08-27
Body design Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine Prime MII
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 16 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Peak resolution 4592 x 3448 5472 x 3648
Highest native ISO 25600 51200
Min native ISO 200 100
RAW support
Min enhanced ISO 100 -
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 49 11
Lens
Lens support Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Display type Tilting Fixed Type
Display diagonal 3" 3"
Resolution of display 1,040 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,764 thousand dot -
Viewfinder coverage 100% 100%
Viewfinder magnification - 0.64x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/4000 secs 1/6000 secs
Max quiet shutter speed 1/16000 secs -
Continuous shutter speed 8.0 frames/s 5.4 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 6.00 m (at ISO 200) 10.00 m (at ISO 100)
Flash options Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p), 640 x 480 (30p) 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Highest video resolution 3840x2160 1920x1080
Video file format MPEG-4, AVCHD H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 426g (0.94 lbs) 558g (1.23 lbs)
Dimensions 122 x 71 x 44mm (4.8" x 2.8" x 1.7") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO Overall rating 71 78
DXO Color Depth rating 22.9 23.5
DXO Dynamic range rating 12.6 13.0
DXO Low light rating 662 1061
Other
Battery life 290 shots 410 shots
Form of battery Battery Pack Battery Pack
Battery ID - D-LI109
Self timer Yes Yes ( 2 or 12 seconds)
Time lapse recording
Storage media SD/SDHC/SDXC card SD/SDHC/SDXC
Storage slots One One
Retail cost $800 $339