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Panasonic FX580 vs Pentax K100D

Portability
95
Imaging
35
Features
29
Overall
32
Panasonic Lumix DMC-FX580 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Panasonic FX580 vs Pentax K100D Key Specs

Panasonic FX580
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • 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
  • Launched January 2009
  • Additionally Known as Lumix DMC-FX550
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Launched December 2006
  • Newer Model is Pentax K100D S
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Panasonic FX580 vs Pentax K100D Overview

Following is a complete assessment of the Panasonic FX580 and Pentax K100D, former is a Small Sensor Compact while the other is a Entry-Level DSLR by competitors Panasonic and Pentax. There exists a noticeable gap among the resolutions of the FX580 (12MP) and K100D (6MP) and the FX580 (1/2.3") and K100D (APS-C) possess different sensor size.

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The FX580 was revealed 2 years after the K100D which is a fairly sizable difference as far as camera technology is concerned. Both of these cameras offer different body type with the Panasonic FX580 being a Compact camera and the Pentax K100D being a Compact SLR camera.

Before delving in to a thorough comparison, below is a concise synopsis of how the FX580 grades versus the K100D when considering portability, imaging, features and an overall score.

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Reasons to pick Panasonic FX580 over the Pentax K100D

 FX580 K100D 
LaunchedJanuary 2009December 2006More modern by 27 months
Display sizing3"2.5"Larger display (+0.5")
Display resolution230k210kSharper display (+20k dot)

Reasons to pick Pentax K100D over the Panasonic FX580

 K100D FX580 
Manual focus More accurate focus

Common features in the Panasonic FX580 and Pentax K100D

 FX580 K100D 
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch friendly display Neither provides Touch friendly display

Panasonic FX580 vs Pentax K100D Physical Comparison

For those who are going to carry around your camera, you will want to factor its weight and size. The Panasonic FX580 provides physical measurements of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") and a weight of 167 grams (0.37 lbs) while the Pentax K100D has specifications of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs).

Look at the Panasonic FX580 and Pentax K100D in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ depending on the lens you have chosen at the time. Underneath is the front view scale comparison of the FX580 compared to the K100D.

Panasonic FX580 vs Pentax K100D size comparison

Factoring in dimensions and weight, the portability rating of the FX580 and K100D is 95 and 64 respectively.

Panasonic FX580 vs Pentax K100D top view buttons comparison

Panasonic FX580 vs Pentax K100D Sensor Comparison

Quite often, it is very tough to imagine the gap in sensor sizes purely by going through a spec sheet. The picture here will offer you a more clear sense of the sensor sizing in the FX580 and K100D.

Clearly, both of these cameras enjoy different megapixel count and different sensor sizes. The FX580 having a smaller sensor is going to make achieving shallower depth of field more challenging and the Panasonic FX580 will produce extra detail because of its extra 6 Megapixels. Greater resolution can also enable you to crop photos far more aggressively. The fresher FX580 should have an advantage in sensor innovation.

Panasonic FX580 vs Pentax K100D sensor size comparison

Panasonic FX580 vs Pentax K100D Screen and ViewFinder

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

Portrait Comparison

Panasonic FX580 Portrait photography features
Pentax K100D Portrait photography features
26
includes face detect autofocus
focusing manually not possible
no manual control
external flash not possible
low megapixels (12MP)
sensor size is very small (1/2.3")
no RAW support
51
manual focus
sensor size is good (APS-C)
supports RAW formats
doesn't have liveview
sensor resolution low (6MP)
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Street Comparison

Panasonic FX580 Street photography highlights
Pentax K100D Street photography highlights
57
built in image stabilization (Optical)
screen is fixed
sensor size is very small (1/2.3")
no RAW support
58
image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
screen does not articulate
more heavy than competitors (660g)
Photography Glossary

Sports Comparison

Sports photography with Panasonic FX580
Sports photography with Pentax K100D
27
built in image stabilization (Optical)
continuous shooting slow (2.0 frames per second)
low megapixels (12MP)
sensor size is very small (1/2.3")
no phase detect autofocus
47
image stabilization (Sensor based)
sensor size is good (APS-C)
comes with phase detect AF
doesn't have liveview
very slow continuous shooting (3.0 frames/s)
sensor resolution low (6 megapixels)
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Travel Comparison

Panasonic FX580 as a Travel photography camera
Pentax K100D as a Travel photography camera
58
has built in flash
quite wide (25mm)
does not have Time Lapse mode
low megapixels (12MP)
display is not selfie friendly
somewhat slow max aperture (f2.8)
42
flash built-in
missing Timelapse function
more heavy than competitors (660g)
sensor resolution low (6 megapixels)
does not have a selfie friendly screen
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Landscape Comparison

Panasonic FX580 Landscape photography information
Pentax K100D Landscape photography information
37
quite wide (25mm)
screen is a good size (3")
built in image stabilization (Optical)
focusing manually not possible
fixed lens (fixed lens mount)
somewhat slow max aperture (f2.8)
no manual control
low megapixels (12 megapixels)
sensor size is very small (1/2.3")
no RAW support
does not have Time Lapse mode
52
manual focus
swap lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
tiny screen (2.5 inch)
doesn't have liveview
sensor resolution low (6MP)
missing Timelapse function
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Vlogging Comparison

Vlogging with Panasonic FX580
Vlogging with Pentax K100D
31
quite wide (25mm)
built in image stabilization (Optical)
includes face detect autofocus
somewhat slow max aperture (f2.8)
display is not selfie friendly
low video resolution (1280 x 720 resolution)
does not have mic port
9
no video recording
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Panasonic FX580 vs Pentax K100D Specifications

Detailed spec comparison table for Panasonic FX580 and Pentax K100D
 Panasonic Lumix DMC-FX580Pentax K100D
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-FX580 Pentax K100D
Also referred to as Lumix DMC-FX550 -
Class Small Sensor Compact Entry-Level DSLR
Launched 2009-01-27 2006-12-03
Physical type Compact Compact SLR
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" APS-C
Sensor measurements 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
Peak resolution 4000 x 3000 3008 x 2008
Highest native ISO 1600 3200
Highest enhanced ISO 6400 -
Min native ISO 80 200
RAW images
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 11
Lens
Lens support fixed lens Pentax KAF
Lens zoom range 25-125mm (5.0x) -
Maximal aperture f/2.8-5.9 -
Macro focusing range 5cm -
Number of lenses - 151
Focal length multiplier 5.9 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 3" 2.5"
Resolution of screen 230k dots 210k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter rate 2.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set white balance
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
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize - 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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) -
Highest video resolution 1280x720 None
Video format Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 167 gr (0.37 lbs) 660 gr (1.46 lbs)
Dimensions 95 x 57 x 22mm (3.7" x 2.2" x 0.9") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO Overall 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 recording
Storage type SD/MMC/SDHC card, Internal SD/MMC card
Card slots Single Single
Cost at release $499 $0