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Pentax K100D vs Pentax P80

Portability
64
Imaging
45
Features
36
Overall
41
Pentax K100D front
 
Pentax Optio P80 front
Portability
95
Imaging
35
Features
23
Overall
30

Pentax K100D vs Pentax P80 Key Specs

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
  • Updated by Pentax K100D S
Pentax P80
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 6400
  • 1280 x 720 video
  • 28-110mm (F2.6-5.8) lens
  • 125g - 102 x 59 x 25mm
  • Introduced August 2009
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Pentax K100D vs Pentax P80 Overview

Following is a extended assessment of the Pentax K100D and Pentax P80, former is a Entry-Level DSLR while the latter is a Small Sensor Compact and both of them are produced by Pentax. There exists a considerable gap between the resolutions of the K100D (6MP) and P80 (12MP) and the K100D (APS-C) and P80 (1/2.3") use totally different sensor size.

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The K100D was brought out 3 years before the P80 which is quite a large difference as far as technology is concerned. Each of these cameras come with different body type with the Pentax K100D being a Compact SLR camera and the Pentax P80 being a Compact camera.

Before we go straight into a more detailed comparison, below is a simple summary of how the K100D matches up against the P80 in relation to portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Pentax K100D over the Pentax P80

 K100D P80 

Reasons to pick Pentax P80 over the Pentax K100D

 P80 K100D 
IntroducedAugust 2009December 2006More modern by 32 months
Screen dimension2.7"2.5"Bigger screen (+0.2")
Screen resolution230k210kSharper screen (+20k dot)

Common features in the Pentax K100D and Pentax P80

 K100D P80 
Manually focus More precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch friendly screen No Touch friendly screen

Pentax K100D vs Pentax P80 Physical Comparison

When you are looking to carry around your camera often, you will want to take into account its weight and size. The Pentax K100D has external dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs) while the Pentax P80 has specifications of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") having a weight of 125 grams (0.28 lbs).

Take a look at the Pentax K100D and Pentax P80 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will change based on the lens you have at that time. The following is the front view over all size comparison of the K100D against the P80.

Pentax K100D vs Pentax P80 size comparison

Using dimensions and weight, the portability rating of the K100D and P80 is 64 and 95 respectively.

Pentax K100D vs Pentax P80 top view buttons comparison

Pentax K100D vs Pentax P80 Sensor Comparison

Normally, it is tough to envision the difference between sensor sizes only by checking a spec sheet. The picture here might provide you a clearer sense of the sensor dimensions in the K100D and P80.

Clearly, both of these cameras posses different megapixel count and different sensor sizes. The K100D because of its bigger sensor will make achieving shallower DOF simpler and the Pentax P80 will resolve extra detail having its extra 6MP. Higher resolution will let you crop shots somewhat more aggressively. The more aged K100D is going to be behind with regard to sensor tech.

Pentax K100D vs Pentax P80 sensor size comparison

Pentax K100D vs Pentax P80 Screen and ViewFinder

Pentax K100D vs Pentax P80 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D Portrait photography details
Pentax P80 Portrait photography details
51
focusing manually
nice sensor size (APS-C)
saves RAW files
no liveview
low resolution (6 megapixels)
27
manual focus
manual exposure not available
can't use external flash
low MP (12MP)
very small sensor size (1/2.3")
lack of RAW support
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Street Comparison

Street photography with Pentax K100D
Street photography with Pentax P80
58
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
no articulating screen
more heavy than competition in class (660 grams)
55
lighter than competition in class (125 grams)
no moving screen
no image stabilization
very small sensor size (1/2.3")
lack of RAW support
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Sports Comparison

Sports photography with Pentax K100D
Sports photography with Pentax P80
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports phase detect AF
no liveview
slow frames per second (3.0 fps)
low resolution (6MP)
17
maximum shutter speed is a little low (1/1,000s)
very slow continuous shooting (3.0 fps)
no shutter priority mode
no image stabilization
low MP (12 megapixels)
very small sensor size (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Pentax K100D Travel photography info
Pentax P80 Travel photography info
42
has built in flash
doesn't have Timelapse mode
more heavy than competition in class (660g)
low resolution (6MP)
doesn't feature selfie friendly display
62
lighter than competition in class (125g)
built-in flash
relatively wide (28mm)
lack of Time Lapse mode
low MP (12MP)
doesn't feature selfie friendly display
somewhat slow max aperture (f2.6)
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Landscape Comparison

Pentax K100D Landscape photography features
Pentax P80 Landscape photography features
52
focusing manually
interchangeable lenses (Pentax KAF mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
tiny screen (2.5 inch)
no liveview
low resolution (6MP)
doesn't have Timelapse mode
32
manual focus
relatively wide (28mm)
lens is fixed (fixed lens mount)
somewhat slow max aperture (f2.6)
small screen (2.7 inch)
manual exposure not available
no image stabilization
low MP (12 megapixels)
very small sensor size (1/2.3")
lack of RAW support
lack of Time Lapse mode
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Vlogging Comparison

Pentax K100D Vlogging factors
Pentax P80 Vlogging factors
9
no video recording
28
relatively wide (28mm)
lighter than competition in class (125g)
somewhat slow max aperture (f2.6)
doesn't feature selfie friendly display
no image stabilization
low quality video (1280 x 720 pixels)
lack of external mic port
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Pentax K100D vs Pentax P80 Specifications

Detailed spec comparison table for Pentax K100D and Pentax P80
 Pentax K100DPentax Optio P80
General Information
Brand Name Pentax Pentax
Model type Pentax K100D Pentax Optio P80
Category Entry-Level DSLR Small Sensor Compact
Launched 2006-12-03 2009-08-05
Body design Compact SLR Compact
Sensor Information
Chip - Prime
Sensor type CCD CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.5 x 15.7mm 6.17 x 4.55mm
Sensor surface area 369.0mm² 28.1mm²
Sensor resolution 6MP 12MP
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Maximum resolution 3008 x 2008 4000 x 3000
Maximum native ISO 3200 6400
Min native ISO 200 64
RAW data
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 9
Lens
Lens mount type Pentax KAF fixed lens
Lens zoom range - 28-110mm (3.9x)
Largest aperture - f/2.6-5.8
Macro focusing distance - 10cm
Amount of lenses 151 -
Crop factor 1.5 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 2.5" 2.7"
Resolution of display 210 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Slowest shutter speed 30s 4s
Maximum shutter speed 1/4000s 1/1000s
Continuous shooting speed 3.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change WB
Image stabilization
Integrated flash
Flash distance - 4.60 m
Flash settings Auto, On, Off, Red-eye reduction -
Hot shoe
AEB
White balance bracketing
Maximum flash sync 1/180s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30, 15 fps)
Maximum video resolution None 1280x720
Video data format - Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 660g (1.46 lbs) 125g (0.28 lbs)
Dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO All around 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 D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/MMC card SD/SDHC, Internal
Storage slots Single Single
Price at launch $0 $200