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Panasonic FX580 vs Pentax K-S1

Portability
95
Imaging
34
Features
29
Overall
32
Panasonic Lumix DMC-FX580 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Panasonic FX580 vs Pentax K-S1 Key Specs

Panasonic FX580
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 1600 (Bump to 6400)
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-125mm (F2.8-5.9) lens
  • 167g - 95 x 57 x 22mm
  • Revealed January 2009
  • Alternative Name is Lumix DMC-FX550
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
  • Introduced August 2014
  • Replacement is Pentax K-S2
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Panasonic FX580 vs Pentax K-S1 Overview

Its time to examine more closely at the Panasonic FX580 versus Pentax K-S1, one is a Small Sensor Compact and the other is a Advanced DSLR by manufacturers Panasonic and Pentax. There exists a big gap between the resolutions of the FX580 (12MP) and K-S1 (20MP) and the FX580 (1/2.3") and K-S1 (APS-C) use totally different sensor size.

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The FX580 was launched 6 years prior to the K-S1 which is quite a big gap as far as technology is concerned. The two cameras come with different body type with the Panasonic FX580 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go in to a comprehensive comparison, below is a quick introduction of how the FX580 matches up versus the K-S1 with regards to portability, imaging, features and an overall score.

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Reasons to pick Panasonic FX580 over the Pentax K-S1

 FX580 K-S1 

Reasons to pick Pentax K-S1 over the Panasonic FX580

 K-S1 FX580 
IntroducedAugust 2014January 2009More modern by 67 months
Focus manually Very accurate focusing
Display resolution921k230kCrisper display (+691k dot)

Common features in the Panasonic FX580 and Pentax K-S1

 FX580 K-S1 
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display size
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Panasonic FX580 vs Pentax K-S1 Physical Comparison

For anyone who is planning to carry around your camera regularly, you will have to factor its weight and volume. The Panasonic FX580 offers external measurements of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") with a weight of 167 grams (0.37 lbs) whilst 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).

Check out the Panasonic FX580 versus Pentax K-S1 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at that time. The following is the front view scale comparison of the FX580 versus the K-S1.

Panasonic FX580 vs Pentax K-S1 size comparison

Using dimensions and weight, the portability rating of the FX580 and K-S1 is 95 and 69 respectively.

Panasonic FX580 vs Pentax K-S1 top view buttons comparison

Panasonic FX580 vs Pentax K-S1 Sensor Comparison

Normally, it can be tough to see the contrast between sensor sizes purely by looking at technical specs. The picture here might offer you a much better sense of the sensor measurements in the FX580 and K-S1.

As you can tell, both of those cameras have got different megapixels and different sensor sizes. The FX580 because of its tinier sensor will make achieving shallower DOF tougher and the Pentax K-S1 will resolve extra detail utilizing its extra 8MP. Greater resolution can also help you crop pics much more aggressively. The more aged FX580 is going to be behind when it comes to sensor technology.

Panasonic FX580 vs Pentax K-S1 sensor size comparison

Panasonic FX580 vs Pentax K-S1 Screen and ViewFinder

Panasonic FX580 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic FX580 Portrait photography details
Pentax K-S1 Portrait photography details
26
provides face detect autofocus
manual focus not available
no manual control
can't use external flash
sensor resolution low (12 megapixels)
sensor is very small (1/2.3")
lack of RAW format
77
focusing manually
decent MP (20MP)
nice sensor size (APS-C)
includes face detect autofocus
delivers RAW files
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Street Comparison

Street photography with Panasonic FX580
Street photography with Pentax K-S1
56
image stabilization (Optical)
fixed screen
sensor is very small (1/2.3")
lack of RAW format
73
image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
lighter than competitors (558 grams)
great ISO range (51,200)
no moving screen
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Sports Comparison

Panasonic FX580 as a Sports photography camera
Pentax K-S1 as a Sports photography camera
27
image stabilization (Optical)
painfully slow continuous shooting (2.0 frames/s)
sensor resolution low (12 megapixels)
sensor is very small (1/2.3")
lack of phase detect autofocus
69
great max shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
decent MP (20 megapixels)
nice sensor size (APS-C)
includes tracking focus
supports phase detect autofocus
max frames per second very slow (5.4 frames per second)
terrible battery life (410 CIPA)
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Travel Comparison

Travel photography with Panasonic FX580
Travel photography with Pentax K-S1
58
has built in flash
fairly wide (25mm)
does not have Timelapse function
sensor resolution low (12MP)
does not posses selfie friendly display
slow maximum aperture (f2.8)
60
lighter than competitors (558g)
decent MP (20 megapixels)
built-in flash
does not have Timelapse recording
terrible battery life (410 per charge)
does not offer selfie friendly screen
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Landscape Comparison

Panasonic FX580 Landscape photography advice
Pentax K-S1 Landscape photography advice
36
fairly wide (25mm)
screen size is good (3")
image stabilization (Optical)
manual focus not available
fixed lens (fixed lens mount)
slow maximum aperture (f2.8)
no manual control
sensor resolution low (12 megapixels)
sensor is very small (1/2.3")
lack of RAW format
does not have Timelapse function
73
focusing manually
swap lenses (Pentax KAF2 mount)
nice screen size (3 inches)
image stabilization (Sensor based)
decent MP (20 megapixels)
nice sensor size (APS-C)
does not have low pass filter
great ISO range (51,200)
delivers RAW files
terrible battery life (410 CIPA)
does not have Timelapse recording
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Vlogging Comparison

Panasonic FX580 Vlogging details
Pentax K-S1 Vlogging details
30
fairly wide (25mm)
image stabilization (Optical)
provides face detect autofocus
slow maximum aperture (f2.8)
does not posses selfie friendly display
video res low (1280 x 720 pxls)
does not have microphone support
33
image stabilization (Sensor based)
includes face detect autofocus
high quality video (1920 x 1080 pxls)
lighter than competitors (558 grams)
does not offer selfie friendly screen
does not have microphone support
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Panasonic FX580 vs Pentax K-S1 Specifications

Detailed spec comparison table for Panasonic FX580 and Pentax K-S1
 Panasonic Lumix DMC-FX580Pentax K-S1
General Information
Company Panasonic Pentax
Model Panasonic Lumix DMC-FX580 Pentax K-S1
Also called Lumix DMC-FX550 -
Class Small Sensor Compact Advanced DSLR
Revealed 2009-01-27 2014-08-27
Physical type Compact Mid-size SLR
Sensor Information
Processor - 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 surface area 27.7mm² 366.6mm²
Sensor resolution 12 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 16:9, 4:3 and 3:2 3:2
Peak resolution 4000 x 3000 5472 x 3648
Highest native ISO 1600 51200
Highest enhanced ISO 6400 -
Minimum native ISO 80 100
RAW files
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 11
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 25-125mm (5.0x) -
Maximum aperture f/2.8-5.9 -
Macro focus distance 5cm -
Available lenses - 151
Crop factor 5.9 1.5
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 230k dots 921k dots
Selfie friendly
Liveview
Touch screen
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 1/2000 seconds 1/6000 seconds
Continuous shutter rate 2.0 frames per sec 5.4 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 6.00 m 10.00 m (at ISO 100)
Flash options Auto, On, Off, Red-Eye reduction, Slow Sync Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Highest video resolution 1280x720 1920x1080
Video format Motion JPEG H.264
Microphone support
Headphone support
Connectivity
Wireless None 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 167g (0.37 lbs) 558g (1.23 lbs)
Dimensions 95 x 57 x 22mm (3.7" x 2.2" x 0.9") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO Overall score not tested 78
DXO Color Depth score not tested 23.5
DXO Dynamic range score not tested 13.0
DXO Low light score not tested 1061
Other
Battery life - 410 images
Battery style - Battery Pack
Battery model - D-LI109
Self timer Yes (2 or 10 sec) Yes ( 2 or 12 seconds)
Time lapse feature
Type of storage SD/MMC/SDHC card, Internal SD/SDHC/SDXC
Card slots One One
Price at release $499 $339