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Pentax K100D S vs Pentax P80

Portability
65
Imaging
45
Features
38
Overall
42
Pentax K100D Super front
 
Pentax Optio P80 front
Portability
95
Imaging
35
Features
23
Overall
30

Pentax K100D S vs Pentax P80 Key Specs

Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Launched June 2007
  • Succeeded the Pentax K100D
  • Replacement is Pentax K200D
Pentax P80
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 64 - 6400
  • 1280 x 720 video
  • 28-110mm (F2.6-5.8) lens
  • 125g - 102 x 59 x 25mm
  • Announced August 2009
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Pentax K100D S vs Pentax P80 Overview

On this page, we are reviewing the Pentax K100D S and Pentax P80, one is a Entry-Level DSLR and the other is a Small Sensor Compact and both of them are created by Pentax. There is a crucial difference among the sensor resolutions of the K100D S (6MP) and P80 (12MP) and the K100D S (APS-C) and P80 (1/2.3") have different sensor sizing.

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The K100D S was released 3 years earlier than the P80 which is a fairly serious gap as far as camera tech is concerned. Both cameras have different body design with the Pentax K100D S being a Compact SLR camera and the Pentax P80 being a Compact camera.

Before diving into a step-by-step comparison, here is a brief view of how the K100D S matches up against the P80 in terms of portability, imaging, features and an overall mark.

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Reasons to pick Pentax K100D S over the Pentax P80

 K100D S P80 

Reasons to pick Pentax P80 over the Pentax K100D S

 P80 K100D S 
AnnouncedAugust 2009June 2007Newer by 25 months
Display dimensions2.7"2.5"Larger display (+0.2")
Display resolution230k210kSharper display (+20k dot)

Common features in the Pentax K100D S and Pentax P80

 K100D S P80 
Manually focus More accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen
Touch display Lacking Touch display

Pentax K100D S vs Pentax P80 Physical Comparison

If you are looking to travel with your camera frequently, you will have to think about its weight and measurements. The Pentax K100D S features physical measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs) while the Pentax P80 has proportions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") accompanied by a weight of 125 grams (0.28 lbs).

Compare the Pentax K100D S and Pentax P80 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that time. Following is a front view dimension comparison of the K100D S versus the P80.

Pentax K100D S vs Pentax P80 size comparison

Factoring in size and weight, the portability score of the K100D S and P80 is 65 and 95 respectively.

Pentax K100D S vs Pentax P80 top view buttons comparison

Pentax K100D S vs Pentax P80 Sensor Comparison

Often, its difficult to imagine the difference in sensor dimensions merely by researching technical specs. The image below may give you a far better sense of the sensor sizing in the K100D S and P80.

As you have seen, the two cameras provide different resolutions and different sensor dimensions. The K100D S due to its larger sensor is going to make getting shallow depth of field easier and the Pentax P80 will provide you with more detail as a result of its extra 6MP. Greater resolution can also allow you to crop images more aggressively. The more aged K100D S will be disadvantaged with regard to sensor tech.

Pentax K100D S vs Pentax P80 sensor size comparison

Pentax K100D S vs Pentax P80 Screen and ViewFinder

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

Portrait Comparison

Pentax K100D S Portrait photography highlights
Pentax P80 Portrait photography highlights
51
you can focus manually
nice sensor size (APS-C)
delivers RAW formats
does not have liveview
sensor resolution low (6MP)
27
you can focus manually
manual mode not available
cannot use external flash
low megapixels (12 megapixels)
sensor size is small (1/2.3")
has no RAW format
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Street Comparison

Pentax K100D S Street photography features
Pentax P80 Street photography features
64
has image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
screen is fixed
55
lighter than competition (125g)
screen does not articulate
lack of image stabilization
sensor size is small (1/2.3")
has no RAW format
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Sports Comparison

Sports photography with Pentax K100D S
Sports photography with Pentax P80
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports phase detect AF
does not have liveview
very slow continuous shooting (3.0 fps)
sensor resolution low (6MP)
17
low maximum shutter speed (1/1,000 seconds)
low fps (3.0 fps)
lack of shutter priority mode
lack of image stabilization
low megapixels (12 megapixels)
sensor size is small (1/2.3")
has no phase detect auto focus
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Travel Comparison

Travel photography with Pentax K100D S
Travel photography with Pentax P80
45
flash built-in
no Time Lapse function
sensor resolution low (6 megapixels)
does not contain selfie friendly screen
62
lighter than competition (125 grams)
has built in flash
rather wide (28mm)
doesn't have Timelapse function
low megapixels (12 megapixels)
screen isn't selfie friendly
sluggish maximum aperture (f2.6)
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Landscape Comparison

Pentax K100D S Landscape photography info
Pentax P80 Landscape photography info
52
you can focus manually
swap lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
screen is small (2.5 inches)
does not have liveview
sensor resolution low (6MP)
no Time Lapse function
32
you can focus manually
rather wide (28mm)
lens is fixed (fixed lens mount)
sluggish maximum aperture (f2.6)
screen is somewhat small (2.7 inch)
manual mode not available
lack of image stabilization
low megapixels (12 megapixels)
sensor size is small (1/2.3")
has no RAW format
doesn't have Timelapse function
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Vlogging Comparison

Pentax K100D S Vlogging info
Pentax P80 Vlogging info
9
lack of video recording
28
rather wide (28mm)
lighter than competition (125g)
sluggish maximum aperture (f2.6)
screen isn't selfie friendly
lack of image stabilization
low video resolution (1280 x 720 resolution)
doesn't have external microphone jack
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Pentax K100D S vs Pentax P80 Specifications

Detailed spec comparison table for Pentax K100D S and Pentax P80
 Pentax K100D SuperPentax Optio P80
General Information
Manufacturer Pentax Pentax
Model Pentax K100D Super Pentax Optio P80
Class Entry-Level DSLR Small Sensor Compact
Launched 2007-06-28 2009-08-05
Body design Compact SLR Compact
Sensor Information
Powered by - Prime
Sensor type CCD CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.5 x 15.7mm 6.17 x 4.55mm
Sensor area 369.0mm² 28.1mm²
Sensor resolution 6 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Maximum resolution 3008 x 2008 4000 x 3000
Maximum native ISO 3200 6400
Minimum native ISO 200 64
RAW files
Autofocusing
Manual focus
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 9
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 28-110mm (3.9x)
Maximum aperture - f/2.6-5.8
Macro focus range - 10cm
Number of lenses 151 -
Crop factor 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.5 inch 2.7 inch
Screen resolution 210 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Slowest shutter speed 30 secs 4 secs
Maximum shutter speed 1/4000 secs 1/1000 secs
Continuous shooting speed 3.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash range - 4.60 m
Flash settings Auto, On, Off, Red-eye reduction -
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/180 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
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
Microphone input
Headphone input
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 646 gr (1.42 pounds) 125 gr (0.28 pounds)
Physical dimensions 129 x 91 x 71mm (5.1" x 3.6" x 2.8") 102 x 59 x 25mm (4.0" x 2.3" x 1.0")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model 4 x AA D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC card SD/SDHC, Internal
Storage slots 1 1
Launch price $520 $200