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Panasonic FX580 vs Pentax K100D S

Portability
95
Imaging
34
Features
29
Overall
32
Panasonic Lumix DMC-FX580 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Panasonic FX580 vs Pentax K100D S Key Specs

Panasonic FX580
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 1600 (Boost 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 K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Revealed June 2007
  • Superseded the Pentax K100D
  • Newer Model is Pentax K200D
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Panasonic FX580 vs Pentax K100D S Overview

Its time to look closer at the Panasonic FX580 vs Pentax K100D S, one being a Small Sensor Compact and the other is a Entry-Level DSLR by manufacturers Panasonic and Pentax. There exists a significant gap among the resolutions of the FX580 (12MP) and K100D S (6MP) and the FX580 (1/2.3") and K100D S (APS-C) use totally different sensor size.

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The FX580 was introduced 20 months later than the K100D S making the cameras a generation apart from one another. Both the cameras come with different body type with the Panasonic FX580 being a Compact camera and the Pentax K100D S being a Compact SLR camera.

Before we go through a more detailed comparison, below is a simple synopsis of how the FX580 matches up against the K100D S in terms of portability, imaging, features and an overall rating.

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Reasons to pick Panasonic FX580 over the Pentax K100D S

 FX580 K100D S 
RevealedJanuary 2009June 2007Fresher by 20 months
Display dimension3"2.5"Larger display (+0.5")
Display resolution230k210kSharper display (+20k dot)

Reasons to pick Pentax K100D S over the Panasonic FX580

 K100D S FX580 
Focus manually More accurate focus

Common features in the Panasonic FX580 and Pentax K100D S

 FX580 K100D S 
Display typeFixed Fixed Fixed display
Selfie screen Missing selfie screen
Touch friendly display Missing Touch friendly display

Panasonic FX580 vs Pentax K100D S Physical Comparison

For anybody who is intending to carry your camera often, you should consider its weight and measurements. The Panasonic FX580 has external measurements of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") having a weight of 167 grams (0.37 lbs) whilst the Pentax K100D S has proportions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") and a weight of 646 grams (1.42 lbs).

Contrast the Panasonic FX580 vs Pentax K100D S in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you have during that time. Following is the front view physical size comparison of the FX580 vs the K100D S.

Panasonic FX580 vs Pentax K100D S size comparison

Using dimensions and weight, the portability grade of the FX580 and K100D S is 95 and 65 respectively.

Panasonic FX580 vs Pentax K100D S top view buttons comparison

Panasonic FX580 vs Pentax K100D S Sensor Comparison

Quite often, it is difficult to visualise the difference in sensor sizing only by looking through specs. The graphic below might give you a clearer sense of the sensor sizing in the FX580 and K100D S.

All in all, both of those cameras have got different megapixel count and different sensor sizing. The FX580 having a smaller sensor will make getting shallower depth of field trickier and the Panasonic FX580 will result in greater detail using its extra 6 Megapixels. Greater resolution will also help you crop images much more aggressively. The more modern FX580 will have an advantage in sensor technology.

Panasonic FX580 vs Pentax K100D S sensor size comparison

Panasonic FX580 vs Pentax K100D S Screen and ViewFinder

Panasonic FX580 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic FX580
Portrait photography with Pentax K100D S
26
has face detection autofocus
focusing manually not possible
no manual control
can't use external flash
sensor resolution low (12MP)
sensor is very small (1/2.3")
lack of RAW format
51
you can focus manually
nice sensor size (APS-C)
saves RAW formats
does not have liveview
megapixel count low (6 megapixels)
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Street Comparison

Panasonic FX580 Street photography details
Pentax K100D S Street photography details
56
built in image stabilization (Optical)
no articulating screen
sensor is very small (1/2.3")
lack of RAW format
64
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
fixed screen
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Sports Comparison

Sports photography with Panasonic FX580
Sports photography with Pentax K100D S
27
built in image stabilization (Optical)
painfully slow continuous shooting (2.0 frames per second)
sensor resolution low (12 megapixels)
sensor is very small (1/2.3")
lack of phase detect autofocus
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
comes with phase detect AF
does not have liveview
max fps very slow (3.0 frames/s)
megapixel count low (6MP)
Photography Glossary

Travel Comparison

Travel photography with Panasonic FX580
Travel photography with Pentax K100D S
58
flash built-in
really wide (25mm)
does not have Time Lapse function
sensor resolution low (12 megapixels)
does not posses selfie friendly screen
slow max aperture (f2.8)
45
has built in flash
doesn't have Time Lapse mode
megapixel count low (6MP)
doesn't have selfie friendly display
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Landscape Comparison

Panasonic FX580 as a Landscape photography camera
Pentax K100D S as a Landscape photography camera
36
really wide (25mm)
screen size is decent (3")
built in image stabilization (Optical)
focusing manually not possible
fixed lens (fixed lens mount)
slow max 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 Time Lapse function
52
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
tiny screen (2.5 inches)
does not have liveview
megapixel count low (6 megapixels)
doesn't have Time Lapse mode
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Vlogging Comparison

Panasonic FX580 as a Vlogging camera
Pentax K100D S as a Vlogging camera
30
really wide (25mm)
built in image stabilization (Optical)
has face detection autofocus
slow max aperture (f2.8)
does not posses selfie friendly screen
low video resolution (1280 x 720 pxls)
does not have external mic support
9
no video shooting
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Panasonic FX580 vs Pentax K100D S Specifications

Detailed spec comparison table for Panasonic FX580 and Pentax K100D S
 Panasonic Lumix DMC-FX580Pentax K100D Super
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-FX580 Pentax K100D Super
Also called as Lumix DMC-FX550 -
Class Small Sensor Compact Entry-Level DSLR
Revealed 2009-01-27 2007-06-28
Body design Compact Compact SLR
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 23.5 x 15.7mm
Sensor surface area 27.7mm² 369.0mm²
Sensor resolution 12 megapixel 6 megapixel
Anti alias filter
Aspect ratio 16:9, 4:3 and 3:2 3:2
Maximum resolution 4000 x 3000 3008 x 2008
Maximum native ISO 1600 3200
Maximum boosted ISO 6400 -
Min native ISO 80 200
RAW data
Autofocusing
Manual focusing
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 11
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 25-125mm (5.0x) -
Maximal aperture f/2.8-5.9 -
Macro focusing range 5cm -
Amount of lenses - 151
Crop factor 5.9 1.5
Screen
Range of display Fixed Type Fixed Type
Display sizing 3 inches 2.5 inches
Display resolution 230k dot 210k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/2000 secs 1/4000 secs
Continuous shooting speed 2.0fps 3.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 6.00 m -
Flash settings Auto, On, Off, Red-Eye reduction, Slow Sync Auto, On, Off, Red-eye reduction
External flash
AE bracketing
WB bracketing
Maximum flash sync - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Maximum video resolution 1280x720 None
Video file format Motion JPEG -
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 167 grams (0.37 lb) 646 grams (1.42 lb)
Dimensions 95 x 57 x 22mm (3.7" x 2.2" x 0.9") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse feature
Storage media SD/MMC/SDHC card, Internal SD/SDHC card
Storage slots 1 1
Retail pricing $499 $520