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Pentax K100D vs Pentax K20D

Portability
64
Imaging
45
Features
36
Overall
41
Pentax K100D front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Pentax K100D vs Pentax K20D Key Specs

Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Launched December 2006
  • Later Model is Pentax K100D S
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Introduced June 2008
  • Previous Model is Pentax K10D
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Pentax K100D vs Pentax K20D Overview

Here, we are reviewing the Pentax K100D vs Pentax K20D, one is a Entry-Level DSLR and the other is a Advanced DSLR and both are created by Pentax. There exists a significant gap among the sensor resolutions of the K100D (6MP) and K20D (15MP) but both cameras provide the identical sensor measurements (APS-C).

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The K100D was released 19 months before the K20D making them a generation away from one another. Both of the cameras feature different body design with the Pentax K100D being a Compact SLR camera and the Pentax K20D being a Mid-size SLR camera.

Before going into a complete comparison, here is a brief summation of how the K100D matches up versus the K20D for portability, imaging, features and an overall mark.

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Reasons to pick Pentax K100D over the Pentax K20D

 K100D K20D 

Reasons to pick Pentax K20D over the Pentax K100D

 K20D K100D 
IntroducedJune 2008December 2006Newer by 19 months
Display size2.7"2.5"Larger display (+0.2")
Display resolution230k210kCrisper display (+20k dot)

Common features in the Pentax K100D and Pentax K20D

 K100D K20D 
Focus manually Very precise focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Pentax K100D vs Pentax K20D Physical Comparison

If you're looking to travel with your camera regularly, you need to think about its weight and proportions. The Pentax K100D has external measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs) and the Pentax K20D has measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Compare the Pentax K100D vs Pentax K20D in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at that moment. Underneath is a front view measurements comparison of the K100D versus the K20D.

Pentax K100D vs Pentax K20D size comparison

Considering dimensions and weight, the portability rating of the K100D and K20D is 64 and 59 respectively.

Pentax K100D vs Pentax K20D top view buttons comparison

Pentax K100D vs Pentax K20D Sensor Comparison

Quite often, it is hard to envision the contrast in sensor dimensions just by checking out specifications. The picture underneath might offer you a greater sense of the sensor sizing in the K100D and K20D.

Plainly, both of the cameras feature the identical sensor size but not the same megapixels. You should expect to see the Pentax K20D to produce extra detail as a result of its extra 9MP. Greater resolution will also enable you to crop pics way more aggressively. The more aged K100D will be disadvantaged when it comes to sensor tech.

Pentax K100D vs Pentax K20D sensor size comparison

Pentax K100D vs Pentax K20D Screen and ViewFinder

Pentax K100D vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D Portrait photography highlights
Pentax K20D Portrait photography highlights
51
manual focus
sensor size is decent (APS-C)
delivers RAW formats
no liveview feature
sensor resolution not great (6 megapixels)
71
manual focus
decent MP (15MP)
sensor size is nice (APS-C)
saves RAW formats
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Street Comparison

Street photography with Pentax K100D
Street photography with Pentax K20D
58
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
no articulating screen
heavier than competitors (660g)
65
has image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
environment proof
screen does not articulate
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Sports Comparison

Pentax K100D Sports photography information
Pentax K20D Sports photography information
47
image stabilization (Sensor based)
sensor size is decent (APS-C)
supports phase detect AF
no liveview feature
low frames per second (3.0 frames per second)
sensor resolution not great (6 megapixels)
68
has image stabilization (Sensor based)
decent MP (15 megapixels)
sensor size is nice (APS-C)
environment proof
has phase detect AF
slow continuous shooting (3.0 frames per second)
Photography Glossary

Travel Comparison

Pentax K100D Travel photography highlights
Pentax K20D Travel photography highlights
42
has built in flash
lack of Time Lapse mode
heavier than competitors (660 grams)
sensor resolution not great (6MP)
does not have selfie friendly screen
64
environment proof
decent MP (15MP)
flash built-in
screen is not selfie friendly
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Landscape Comparison

Pentax K100D Landscape photography factors
Pentax K20D Landscape photography factors
52
manual focus
swap lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
tiny screen (2.5 inches)
no liveview feature
sensor resolution not great (6MP)
lack of Time Lapse mode
70
manual focus
change lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
decent MP (15 megapixels)
sensor size is nice (APS-C)
saves RAW formats
environment proof
screen is small (2.7 inch)
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Vlogging Comparison

Vlogging with Pentax K100D
Vlogging with Pentax K20D
9
can't record video
9
no video recording
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Pentax K100D vs Pentax K20D Specifications

Detailed spec comparison table for Pentax K100D and Pentax K20D
 Pentax K100DPentax K20D
General Information
Brand Pentax Pentax
Model type Pentax K100D Pentax K20D
Category Entry-Level DSLR Advanced DSLR
Launched 2006-12-03 2008-06-25
Physical type Compact SLR Mid-size SLR
Sensor Information
Sensor type CCD CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.7mm 23.4 x 15.6mm
Sensor area 369.0mm² 365.0mm²
Sensor resolution 6MP 15MP
Anti alias filter
Aspect ratio 3:2 3:2
Maximum resolution 3008 x 2008 4672 x 3104
Maximum native ISO 3200 3200
Maximum boosted ISO - 6400
Minimum native ISO 200 100
RAW photos
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 11
Lens
Lens mount type Pentax KAF Pentax KAF2
Available lenses 151 151
Focal length multiplier 1.5 1.5
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.5 inches 2.7 inches
Screen resolution 210k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 96 percent 95 percent
Viewfinder magnification 0.57x 0.64x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance - 13.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye reduction Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AE bracketing
WB bracketing
Maximum flash synchronize 1/180 seconds 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Maximum video resolution None None
Mic 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 660 grams (1.46 pounds) 800 grams (1.76 pounds)
Physical dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating not tested 65
DXO Color Depth rating not tested 22.9
DXO Dynamic range rating not tested 11.1
DXO Low light rating not tested 639
Other
Battery ID 4 x AA D-LI50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/MMC card SD/MMC/SDHC card
Card slots 1 1
Launch price $0 $700