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Panasonic ZR3 vs Pentax K-x

Portability
94
Imaging
36
Features
26
Overall
32
Panasonic Lumix DMC-ZR3 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Panasonic ZR3 vs Pentax K-x Key Specs

Panasonic ZR3
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-200mm (F3.3-5.9) lens
  • 159g - 98 x 55 x 26mm
  • Launched January 2010
  • Additionally referred to as Lumix DMC-ZX3
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
  • Introduced December 2009
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Panasonic ZR3 vs Pentax K-x Overview

Here is a comprehensive review of the Panasonic ZR3 and Pentax K-x, former being a Small Sensor Compact while the other is a Entry-Level DSLR by rivals Panasonic and Pentax. The resolution of the ZR3 (14MP) and the K-x (12MP) is fairly close but the ZR3 (1/2.3") and K-x (APS-C) come with different sensor measurements.

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The ZR3 was revealed 2 months later than the K-x and they are both of a similar age. Both of these cameras come with different body type with the Panasonic ZR3 being a Compact camera and the Pentax K-x being a Compact SLR camera.

Before delving through a full comparison, below is a short synopsis of how the ZR3 scores vs the K-x in the way of portability, imaging, features and an overall rating.

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Reasons to pick Panasonic ZR3 over the Pentax K-x

 ZR3 K-x 

Reasons to pick Pentax K-x over the Panasonic ZR3

 K-x ZR3 
Manual focus Very accurate focus

Common features in the Panasonic ZR3 and Pentax K-x

 ZR3 K-x 
IntroducedJanuary 2010December 2009Same age
Display typeFixed Fixed Fixed display
Display dimension2.7"2.7"Identical display measurements
Display resolution230k230kEqual display resolution
Selfie screen Absent selfie screen
Touch display Absent Touch display

Panasonic ZR3 vs Pentax K-x Physical Comparison

For anybody who is aiming to carry your camera often, you will want to factor in its weight and proportions. The Panasonic ZR3 offers outside measurements of 98mm x 55mm x 26mm (3.9" x 2.2" x 1.0") with a weight of 159 grams (0.35 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).

Examine the Panasonic ZR3 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 dependant on the lens you choose at the time. Here is the front view over all size comparison of the ZR3 against the K-x.

Panasonic ZR3 vs Pentax K-x size comparison

Taking into account size and weight, the portability grade of the ZR3 and K-x is 94 and 69 respectively.

Panasonic ZR3 vs Pentax K-x top view buttons comparison

Panasonic ZR3 vs Pentax K-x Sensor Comparison

In many cases, its difficult to visualize the difference in sensor sizing merely by researching technical specs. The photograph underneath will help give you a much better sense of the sensor measurements in the ZR3 and K-x.

As you have seen, both of the cameras have got different megapixel count and different sensor sizing. The ZR3 using its smaller sensor is going to make getting bokeh more challenging and the Panasonic ZR3 will provide you with greater detail because of its extra 2 Megapixels. Greater resolution can also allow you to crop images much more aggressively.

Panasonic ZR3 vs Pentax K-x sensor size comparison

Panasonic ZR3 vs Pentax K-x Screen and ViewFinder

Panasonic ZR3 vs Pentax K-x Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Panasonic ZR3 as a Portrait photography camera
Pentax K-x as a Portrait photography camera
28
megapixel count decent (14 megapixels)
focusing manually not possible
no manual mode
external flash not possible
sensor size is tiny (1/2.3")
does not have RAW support
63
has manual focus
sensor size is nice (APS-C)
supports face detect autofocus
supports RAW files
low megapixels (12 megapixels)
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Street Comparison

Panasonic ZR3 as a Street photography camera
Pentax K-x as a Street photography camera
56
has image stabilization (Optical)
no moving screen
sensor size is tiny (1/2.3")
does not have RAW support
67
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
fixed screen
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Sports Comparison

Sports photography with Panasonic ZR3
Sports photography with Pentax K-x
36
has image stabilization (Optical)
megapixel count decent (14 megapixels)
provides tracking focus
low max shutter speed (1/1,300s)
max fps very slow (2.0 fps)
lack of shutter priority mode
sensor size is tiny (1/2.3")
does not have phase detect autofocus
61
max shutter speed is good (1/6,000s)
image stabilization (Sensor based)
sensor size is nice (APS-C)
better than average battery pack (1,900 shots)
sensor has phase detect autofocus
continuous shooting slow (5.0 frames per second)
low megapixels (12MP)
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Travel Comparison

Panasonic ZR3 as a Travel photography camera
Pentax K-x as a Travel photography camera
64
megapixel count decent (14 megapixels)
flash built-in
pretty wide (25mm)
does not have Timelapse function
does not feature selfie friendly screen
somewhat slow maximum aperture (f3.3)
54
better than average battery pack (1,900 per charge)
built-in flash
doesn't have Time Lapse function
low megapixels (12 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Panasonic ZR3 Landscape photography features
Pentax K-x Landscape photography features
37
pretty wide (25mm)
has image stabilization (Optical)
megapixel count decent (14MP)
focusing manually not possible
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.3)
screen is small (2.7 inches)
no manual mode
sensor size is tiny (1/2.3")
does not have RAW support
does not have Timelapse function
61
has manual focus
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
better than average battery pack (1,900 shots)
screen is small (2.7 inches)
low megapixels (12 megapixels)
doesn't have Time Lapse function
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Vlogging Comparison

Panasonic ZR3 Vlogging factors
Pentax K-x Vlogging factors
29
pretty wide (25mm)
has image stabilization (Optical)
somewhat slow maximum aperture (f3.3)
does not feature selfie friendly screen
low video resolution (1280 x 720 pxls)
does not have microphone jack
27
image stabilization (Sensor based)
supports face detect autofocus
screen isn't selfie friendly
video resolution low (1280 x 720 resolution)
doesn't have mic socket
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Panasonic ZR3 vs Pentax K-x Specifications

Detailed spec comparison table for Panasonic ZR3 and Pentax K-x
 Panasonic Lumix DMC-ZR3Pentax K-x
General Information
Manufacturer Panasonic Pentax
Model Panasonic Lumix DMC-ZR3 Pentax K-x
Also Known as Lumix DMC-ZX3 -
Category Small Sensor Compact Entry-Level DSLR
Launched 2010-01-26 2009-12-23
Physical type Compact Compact SLR
Sensor Information
Processor Chip Venus Engine HD II Prime
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 23.6 x 15.8mm
Sensor area 27.7mm² 372.9mm²
Sensor resolution 14MP 12MP
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4320 x 3240 4288 x 2848
Maximum native ISO 6400 6400
Maximum enhanced ISO - 12800
Min native ISO 80 100
RAW data
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 11
Lens
Lens mounting type fixed lens Pentax KAF2
Lens focal range 25-200mm (8.0x) -
Highest aperture f/3.3-5.9 -
Macro focus range 3cm -
Total lenses - 151
Focal length multiplier 5.9 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 2.7 inch 2.7 inch
Resolution of screen 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch function
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Min shutter speed 60s 30s
Max shutter speed 1/1300s 1/6000s
Continuous shutter rate 2.0fps 5.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash range 5.30 m 16.00 m
Flash options Auto, On, Off, Red-eye, Slow Syncro Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
AEB
WB bracketing
Max flash synchronize - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Maximum video resolution 1280x720 1280x720
Video data format AVCHD Lite Motion JPEG
Mic port
Headphone port
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 159g (0.35 lb) 580g (1.28 lb)
Dimensions 98 x 55 x 26mm (3.9" x 2.2" x 1.0") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO Overall 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 - 1900 photographs
Style of battery - Battery Pack
Battery model - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse feature
Storage type SD/SDHC/SDXC, Internal SD/SDHC card
Card slots One One
Launch price $280 $600