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Panasonic ZS25 vs Pentax K20D

Portability
93
Imaging
40
Features
43
Overall
41
Panasonic Lumix DMC-ZS25 front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Panasonic ZS25 vs Pentax K20D Key Specs

Panasonic ZS25
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-480mm (F3.3-6.4) lens
  • 193g - 105 x 59 x 28mm
  • Released January 2013
  • Additionally referred to as Lumix DMC-TZ35
  • Old Model is Panasonic ZS20
  • Later Model is Panasonic ZS30
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Increase to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Announced June 2008
  • Older Model is Pentax K10D
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Panasonic ZS25 vs Pentax K20D Overview

Its time to look much closer at the Panasonic ZS25 and Pentax K20D, former being a Small Sensor Superzoom while the other is a Advanced DSLR by brands Panasonic and Pentax. The sensor resolution of the ZS25 (16MP) and the K20D (15MP) is very well matched but the ZS25 (1/2.3") and K20D (APS-C) have different sensor size.

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The ZS25 was introduced 4 years later than the K20D and that is quite a significant difference as far as tech is concerned. Both of the cameras feature different body design with the Panasonic ZS25 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before going right into a full comparison, here is a concise synopsis of how the ZS25 matches up vs the K20D for portability, imaging, features and an overall rating.

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Reasons to pick Panasonic ZS25 over the Pentax K20D

 ZS25 K20D 
AnnouncedJanuary 2013June 2008Fresher by 56 months
Display size3"2.7"Larger display (+0.3")
Display resolution460k230kCrisper display (+230k dot)

Reasons to pick Pentax K20D over the Panasonic ZS25

 K20D ZS25 
Manually focus Very precise focus

Common features in the Panasonic ZS25 and Pentax K20D

 ZS25 K20D 
Display typeFixed Fixed Fixed display
Selfie screen Neither includes selfie screen
Touch display Neither includes Touch display

Panasonic ZS25 vs Pentax K20D Physical Comparison

If you are going to carry your camera, you're going to have to take into account its weight and dimensions. The Panasonic ZS25 features physical measurements of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") with a weight of 193 grams (0.43 lbs) and the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Check the Panasonic ZS25 and Pentax K20D in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change depending on the lens you are utilising at the time. Underneath is a front view overall size comparison of the ZS25 versus the K20D.

Panasonic ZS25 vs Pentax K20D size comparison

Taking into account size and weight, the portability score of the ZS25 and K20D is 93 and 59 respectively.

Panasonic ZS25 vs Pentax K20D top view buttons comparison

Panasonic ZS25 vs Pentax K20D Sensor Comparison

In many cases, it is hard to imagine the gap between sensor sizing merely by looking at technical specs. The visual below will help offer you a far better sense of the sensor measurements in the ZS25 and K20D.

As you can tell, each of the cameras come with different megapixel count and different sensor sizing. The ZS25 with its tinier sensor is going to make getting shallow DOF more challenging and the Panasonic ZS25 will resolve extra detail using its extra 1 Megapixels. Greater resolution will also allow you to crop pics a good deal more aggressively. The more modern ZS25 provides an edge when it comes to sensor technology.

Panasonic ZS25 vs Pentax K20D sensor size comparison

Panasonic ZS25 vs Pentax K20D Screen and ViewFinder

Panasonic ZS25 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic ZS25 Portrait photography features
Pentax K20D Portrait photography features
32
decent MP (16 megapixels)
lack of manual focus
external flash not possible
sensor size is tiny (1/2.3")
no RAW format
71
manual focus
decent sensor resolution (15MP)
sensor size is good (APS-C)
exports RAW files
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Street Comparison

Panasonic ZS25 Street photography information
Pentax K20D Street photography information
66
has image stabilization (Optical)
features touch to focus
lighter than competition in class (193 grams)
fixed screen
sensor size is tiny (1/2.3")
no RAW format
65
has image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
environment sealing
screen is fixed
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Sports Comparison

Sports photography with Panasonic ZS25
Sports photography with Pentax K20D
45
long zoom range (24-480mm 20.0 x zoom)
has image stabilization (Optical)
decent MP (16 megapixels)
features tracking focus
low max shutter speed (1/1,200s)
sensor size is tiny (1/2.3")
bad battery (260 shots)
no phase detect auto focus
68
has image stabilization (Sensor based)
decent sensor resolution (15 megapixels)
sensor size is good (APS-C)
environment sealing
comes with phase detect autofocus
slow continuous shooting (3.0 frames per second)
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Travel Comparison

Panasonic ZS25 as a Travel photography camera
Pentax K20D as a Travel photography camera
69
lighter than competition in class (193g)
features touch to focus
decent MP (16 megapixels)
built-in flash
really wide (24mm)
very long zoom (480mm)
no Time Lapse function
bad battery (260 shots)
doesn't have selfie friendly screen
sluggish max aperture (f3.3)
64
environment sealing
decent sensor resolution (15 megapixels)
built-in flash
screen isn't selfie friendly
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Landscape Comparison

Landscape photography with Panasonic ZS25
Landscape photography with Pentax K20D
43
really wide (24mm)
screen size is good (3")
has image stabilization (Optical)
decent MP (16 megapixels)
lack of manual focus
fixed lens (fixed lens mount)
sluggish max aperture (f3.3)
sensor size is tiny (1/2.3")
no RAW format
bad battery (260 per charge)
no Time Lapse function
70
manual focus
change lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
decent sensor resolution (15MP)
sensor size is good (APS-C)
exports RAW files
environment sealing
screen is somewhat small (2.7 inch)
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Vlogging Comparison

Panasonic ZS25 Vlogging info
Pentax K20D Vlogging info
34
really wide (24mm)
has image stabilization (Optical)
high quality video (1920 x 1080 pxls)
lighter than competition in class (193 grams)
sluggish max aperture (f3.3)
doesn't have selfie friendly screen
no mic port
9
lack of video recording
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Panasonic ZS25 vs Pentax K20D Specifications

Detailed spec comparison table for Panasonic ZS25 and Pentax K20D
 Panasonic Lumix DMC-ZS25Pentax K20D
General Information
Company Panasonic Pentax
Model Panasonic Lumix DMC-ZS25 Pentax K20D
Also Known as Lumix DMC-TZ35 -
Class Small Sensor Superzoom Advanced DSLR
Released 2013-01-07 2008-06-25
Physical type Compact Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 23.4 x 15.6mm
Sensor area 27.7mm² 365.0mm²
Sensor resolution 16 megapixel 15 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4896 x 3672 4672 x 3104
Max native ISO 6400 3200
Max boosted ISO - 6400
Minimum native ISO 100 100
RAW files
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 23 11
Lens
Lens mounting type fixed lens Pentax KAF2
Lens focal range 24-480mm (20.0x) -
Highest aperture f/3.3-6.4 -
Macro focus range 3cm -
Available lenses - 151
Focal length multiplier 5.9 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 3 inches 2.7 inches
Resolution of screen 460k dots 230k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 15 seconds 30 seconds
Highest shutter speed 1/1200 seconds 1/4000 seconds
Continuous shooting rate 10.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 6.40 m 13.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye, Slow Syncro Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AEB
WB bracketing
Highest flash synchronize - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps), 320 x 240 (220 fps) -
Max video resolution 1920x1080 None
Video file format MPEG-4, AVCHD -
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 193g (0.43 lbs) 800g (1.76 lbs)
Physical dimensions 105 x 59 x 28mm (4.1" x 2.3" x 1.1") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around score not tested 65
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 11.1
DXO Low light score not tested 639
Other
Battery life 260 shots -
Style of battery Battery Pack -
Battery model - D-LI50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC, Internal SD/MMC/SDHC card
Card slots One One
Launch price $300 $700