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Panasonic FX90 vs Pentax K-x

Portability
95
Imaging
36
Features
34
Overall
35
Panasonic Lumix DMC-FX90 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Panasonic FX90 vs Pentax K-x 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
  • Announced August 2011
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Increase to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Announced December 2009
Photography Glossary

Panasonic FX90 vs Pentax K-x Overview

Here, we are comparing the Panasonic FX90 and Pentax K-x, former being a Small Sensor Compact while the other is a Entry-Level DSLR by companies Panasonic and Pentax. The sensor resolution of the FX90 (12MP) and the K-x (12MP) is very comparable but the FX90 (1/2.3") and K-x (APS-C) boast totally different sensor sizing.

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The FX90 was launched 21 months later than the K-x making them a generation apart from each other. Each of these cameras feature different body design with the Panasonic FX90 being a Compact camera and the Pentax K-x being a Compact SLR camera.

Before we go right into a in depth comparison, here is a concise summation of how the FX90 matches up vs the K-x with regards to portability, imaging, features and an overall grade.

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Reasons to pick Panasonic FX90 over the Pentax K-x

 FX90 K-x 
AnnouncedAugust 2011December 2009More recent by 21 months
Display size3"2.7"Larger display (+0.3")
Display resolution460k230kClearer display (+230k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K-x over the Panasonic FX90

 K-x FX90 
Manually focus Dial exact focusing

Common features in the Panasonic FX90 and Pentax K-x

 FX90 K-x 
Display typeFixed Fixed Fixed display
Selfie screen No selfie screen

Panasonic FX90 vs Pentax K-x Physical Comparison

When you are going to lug around your camera frequently, you'll need to consider its weight and proportions. The Panasonic FX90 has physical dimensions of 102mm x 56mm x 22mm (4.0" x 2.2" x 0.9") accompanied by a weight of 149 grams (0.33 lbs) while the Pentax K-x has measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs).

Take a look at the Panasonic FX90 and Pentax K-x in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ depending on the lens you select at that time. Following is a front view dimension comparison of the FX90 vs the K-x.

Panasonic FX90 vs Pentax K-x size comparison

Looking at size and weight, the portability score of the FX90 and K-x is 95 and 69 respectively.

Panasonic FX90 vs Pentax K-x top view buttons comparison

Panasonic FX90 vs Pentax K-x Sensor Comparison

Usually, it can be difficult to visualise the contrast in sensor measurements simply by seeing a spec sheet. The graphic underneath should offer you a stronger sense of the sensor sizes in the FX90 and K-x.

Clearly, both of the cameras feature the identical resolution but not the same sensor measurements. The FX90 contains the smaller sensor which is going to make achieving shallower depth of field more difficult. The more modern FX90 will have an edge in sensor innovation.

Panasonic FX90 vs Pentax K-x sensor size comparison

Panasonic FX90 vs Pentax K-x Screen and ViewFinder

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

Portrait Comparison

Panasonic FX90 Portrait photography info
Pentax K-x Portrait photography info
21
manual focus not available
no manual exposure
external flash not possible
low megapixels (12MP)
tiny sensor (1/2.3")
no RAW files
63
manual focus
sensor size is good (APS-C)
supports face detect autofocus
exports RAW files
MP count low (12 megapixels)
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Street Comparison

Panasonic FX90 as a Street photography camera
Pentax K-x as a Street photography camera
62
image stabilization (Optical)
boasts touch to focus
fixed screen
tiny sensor (1/2.3")
no RAW files
67
has image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
screen is fixed
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Sports Comparison

Sports photography with Panasonic FX90
Sports photography with Pentax K-x
30
image stabilization (Optical)
has tracking autofocus
very slow continuous shooting (4.0 fps)
lack of shutter priority mode
low megapixels (12 megapixels)
tiny sensor (1/2.3")
low battery (200 shots)
no phase detect AF
61
max shutter speed is good (1/6,000 seconds)
has image stabilization (Sensor based)
sensor size is good (APS-C)
better than average battery power (1,900 per charge)
supports phase detect autofocus
painfully slow continuous shooting (5.0 fps)
MP count low (12 megapixels)
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Travel Comparison

Panasonic FX90 Travel photography info
Pentax K-x Travel photography info
60
boasts touch to focus
flash built-in
pretty wide (24mm)
no Timelapse mode
low battery (200 per charge)
low megapixels (12 megapixels)
doesn't offer selfie friendly screen
slow max aperture (f2.5)
54
better than average battery power (1,900 CIPA)
has built in flash
lack of Timelapse mode
MP count low (12 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Panasonic FX90 Landscape photography factors
Pentax K-x Landscape photography factors
36
pretty wide (24mm)
screen size is good (3")
image stabilization (Optical)
manual focus not available
lens is fixed (fixed lens mount)
slow max aperture (f2.5)
no manual exposure
low megapixels (12 megapixels)
tiny sensor (1/2.3")
no RAW files
low battery (200 CIPA)
no Timelapse mode
61
manual focus
swap lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
better than average battery power (1,900 per charge)
screen is somewhat small (2.7 inch)
MP count low (12 megapixels)
lack of Timelapse mode
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Vlogging Comparison

Panasonic FX90 as a Vlogging camera
Pentax K-x as a Vlogging camera
34
pretty wide (24mm)
touchscreen
image stabilization (Optical)
video res high (1920 x 1080 pixels)
slow max aperture (f2.5)
doesn't offer selfie friendly screen
no external microphone support
27
has image stabilization (Sensor based)
supports face detect autofocus
screen isn't selfie friendly
video resolution low (1280 x 720 resolution)
lack of microphone socket
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Panasonic FX90 vs Pentax K-x Specifications

Detailed spec comparison table for Panasonic FX90 and Pentax K-x
 Panasonic Lumix DMC-FX90Pentax K-x
General Information
Brand Panasonic Pentax
Model Panasonic Lumix DMC-FX90 Pentax K-x
Class Small Sensor Compact Entry-Level DSLR
Announced 2011-08-26 2009-12-23
Physical type Compact Compact SLR
Sensor Information
Processor - Prime
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.08 x 4.56mm 23.6 x 15.8mm
Sensor area 27.7mm² 372.9mm²
Sensor resolution 12 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4000 x 3000 4288 x 2848
Max native ISO 6400 6400
Max boosted ISO - 12800
Lowest native ISO 80 100
RAW format
Autofocusing
Manual focus
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 23 11
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 24-120mm (5.0x) -
Maximal aperture f/2.5-5.9 -
Macro focus distance 3cm -
Available lenses - 151
Focal length multiplier 5.9 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3" 2.7"
Resolution of screen 460k dots 230k dots
Selfie friendly
Liveview
Touch screen
Screen tech TFT LCD TFT LCD monitor
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/4000s 1/6000s
Continuous shooting rate 4.0fps 5.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Built-in flash
Flash range 5.90 m 16.00 m
Flash modes Auto, On, Off, Red-Eye reduction, Slow Sync Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
AE bracketing
White balance bracketing
Highest flash synchronize - 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60, 30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Max video resolution 1920x1080 1280x720
Video format MPEG-4, AVCHD Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 149 grams (0.33 lbs) 580 grams (1.28 lbs)
Physical dimensions 102 x 56 x 22mm (4.0" x 2.2" x 0.9") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around score not tested 72
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.5
DXO Low light score not tested 811
Other
Battery life 200 photos 1900 photos
Battery type Battery Pack Battery Pack
Battery model - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC, Internal SD/SDHC card
Card slots One One
Launch price $227 $600