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Panasonic FX90 vs Pentax K-S1

Portability
95
Imaging
35
Features
34
Overall
34
Panasonic Lumix DMC-FX90 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Panasonic FX90 vs Pentax K-S1 Key Specs

Panasonic FX90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-120mm (F2.5-5.9) lens
  • 149g - 102 x 56 x 22mm
  • Introduced August 2011
Pentax K-S1
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Screen
  • 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
  • Introduced August 2014
  • Later Model is Pentax K-S2
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Panasonic FX90 vs Pentax K-S1 Overview

In this article, we will be evaluating the Panasonic FX90 and Pentax K-S1, one being a Small Sensor Compact and the latter is a Advanced DSLR by competitors Panasonic and Pentax. There exists a sizeable gap among the image resolutions of the FX90 (12MP) and K-S1 (20MP) and the FX90 (1/2.3") and K-S1 (APS-C) come with different sensor measurements.

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The FX90 was released 4 years before the K-S1 and that is a fairly large gap as far as camera technology is concerned. Both the cameras offer different body type with the Panasonic FX90 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before delving through a more detailed comparison, below is a simple summary of how the FX90 grades against the K-S1 with regards to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Panasonic FX90 over the Pentax K-S1

 FX90 K-S1 
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-S1 over the Panasonic FX90

 K-S1 FX90 
IntroducedAugust 2014August 2011More recent by 36 months
Manual focus Dial precise focusing
Screen resolution921k460kSharper screen (+461k dot)

Common features in the Panasonic FX90 and Pentax K-S1

 FX90 K-S1 
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen measurements
Selfie screen No selfie screen

Panasonic FX90 vs Pentax K-S1 Physical Comparison

If you are planning to lug around your camera frequently, you're going to have to consider its weight and measurements. The Panasonic FX90 offers outside measurements of 102mm x 56mm x 22mm (4.0" x 2.2" x 0.9") with a weight of 149 grams (0.33 lbs) while the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs).

Contrast the Panasonic FX90 and Pentax K-S1 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that time. Here is the front view dimensions comparison of the FX90 compared to the K-S1.

Panasonic FX90 vs Pentax K-S1 size comparison

Factoring in dimensions and weight, the portability score of the FX90 and K-S1 is 95 and 69 respectively.

Panasonic FX90 vs Pentax K-S1 top view buttons comparison

Panasonic FX90 vs Pentax K-S1 Sensor Comparison

Quite often, it is hard to picture the contrast in sensor measurements simply by researching specs. The visual below may give you a clearer sense of the sensor sizing in the FX90 and K-S1.

As you can plainly see, each of the cameras offer different resolutions and different sensor measurements. The FX90 due to its smaller sensor is going to make getting shallower DOF more challenging and the Pentax K-S1 will render greater detail as a result of its extra 8MP. Higher resolution will also make it easier to crop pictures a little more aggressively. The older FX90 will be disadvantaged in sensor technology.

Panasonic FX90 vs Pentax K-S1 sensor size comparison

Panasonic FX90 vs Pentax K-S1 Screen and ViewFinder

Panasonic FX90 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic FX90 Portrait photography info
Pentax K-S1 Portrait photography info
21
no manual focus
no manual control
no external flash support
low resolution (12MP)
sensor is very small (1/2.3")
doesn't have RAW files
77
focusing manually
MP count decent (20 megapixels)
decent sensor size (APS-C)
comes with face detect focusing
delivers RAW formats
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Street Comparison

Panasonic FX90 Street photography highlights
Pentax K-S1 Street photography highlights
62
image stabilization (Optical)
provides touch focus
fixed screen
sensor is very small (1/2.3")
doesn't have RAW files
73
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
lighter than competitors (558 grams)
above average high ISO (51,200)
screen does not articulate
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Sports Comparison

Panasonic FX90 as a Sports photography camera
Pentax K-S1 as a Sports photography camera
30
image stabilization (Optical)
has tracking focus
painfully slow continuous shooting (4.0 frames per second)
no shutter priority mode
low resolution (12MP)
sensor is very small (1/2.3")
not so great battery life (200 CIPA)
doesn't have phase detect autofocus
69
high shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
MP count decent (20MP)
decent sensor size (APS-C)
comes with tracking focus
supports phase detect AF
max frames per second low (5.4 frames/s)
low battery life (410 CIPA)
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Travel Comparison

Travel photography with Panasonic FX90
Travel photography with Pentax K-S1
60
provides touch focus
built-in flash
decently wide (24mm)
lack of Timelapse recording
not so great battery life (200 shots)
low resolution (12MP)
does not have a selfie friendly display
sluggish maximum aperture (f2.5)
60
lighter than competitors (558g)
MP count decent (20 megapixels)
has built in flash
no Timelapse function
low battery life (410 CIPA)
does not posses selfie friendly screen
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Landscape Comparison

Panasonic FX90 as a Landscape photography camera
Pentax K-S1 as a Landscape photography camera
36
decently wide (24mm)
pretty good screen size (3 inch)
image stabilization (Optical)
no manual focus
can't switch lens (fixed lens mount)
sluggish maximum aperture (f2.5)
no manual control
low resolution (12MP)
sensor is very small (1/2.3")
doesn't have RAW files
not so great battery life (200 CIPA)
lack of Timelapse recording
73
focusing manually
swap lenses (Pentax KAF2 mount)
decent sized screen (3 inch)
image stabilization (Sensor based)
MP count decent (20 megapixels)
decent sensor size (APS-C)
does not have anti-alias filter
above average high ISO (51,200)
delivers RAW formats
low battery life (410 CIPA)
no Timelapse function
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Vlogging Comparison

Panasonic FX90 Vlogging information
Pentax K-S1 Vlogging information
33
decently wide (24mm)
built-in touchscreen
image stabilization (Optical)
high quality video (1920 x 1080 pixels)
sluggish maximum aperture (f2.5)
does not have a selfie friendly display
lack of microphone support
33
image stabilization (Sensor based)
comes with face detect focusing
great video quality (1920 x 1080 resolution)
lighter than competitors (558g)
does not posses selfie friendly screen
no microphone socket
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Panasonic FX90 vs Pentax K-S1 Specifications

Detailed spec comparison table for Panasonic FX90 and Pentax K-S1
 Panasonic Lumix DMC-FX90Pentax K-S1
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DMC-FX90 Pentax K-S1
Class Small Sensor Compact Advanced DSLR
Introduced 2011-08-26 2014-08-27
Physical type Compact Mid-size SLR
Sensor Information
Processor Chip - Prime MII
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.08 x 4.56mm 23.5 x 15.6mm
Sensor area 27.7mm² 366.6mm²
Sensor resolution 12 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 4000 x 3000 5472 x 3648
Max native ISO 6400 51200
Min native ISO 80 100
RAW images
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 23 11
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 24-120mm (5.0x) -
Max aperture f/2.5-5.9 -
Macro focusing distance 3cm -
Total lenses - 151
Crop factor 5.9 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inches 3 inches
Screen resolution 460k dots 921k dots
Selfie friendly
Liveview
Touch function
Screen tech TFT LCD -
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.64x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/6000 seconds
Continuous shutter rate 4.0fps 5.4fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 5.90 m 10.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-Eye reduction, Slow Sync Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60, 30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Max video resolution 1920x1080 1920x1080
Video file format MPEG-4, AVCHD H.264
Microphone port
Headphone port
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 149 grams (0.33 pounds) 558 grams (1.23 pounds)
Dimensions 102 x 56 x 22mm (4.0" x 2.2" x 0.9") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO Overall 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 200 photos 410 photos
Battery type Battery Pack Battery Pack
Battery ID - D-LI109
Self timer Yes (2 or 10 sec) Yes ( 2 or 12 seconds)
Time lapse recording
Type of storage SD/SDHC/SDXC, Internal SD/SDHC/SDXC
Card slots 1 1
Cost at release $227 $339