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Pentax K-r vs Pentax K100D S

Portability
67
Imaging
53
Features
52
Overall
52
Pentax K-r front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Pentax K-r vs Pentax K100D S Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Released March 2011
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Released June 2007
  • Previous Model is Pentax K100D
  • Replacement is Pentax K200D
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Pentax K-r vs Pentax K100D S Overview

Below, we are looking at the Pentax K-r versus Pentax K100D S, both Entry-Level DSLR digital cameras and both of them are sold by Pentax. There is a noticeable difference between the sensor resolutions of the K-r (12MP) and K100D S (6MP) but they enjoy the exact same sensor size (APS-C).

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The K-r was manufactured 3 years after the K100D S which is quite a sizable difference as far as tech is concerned. Both the cameras come with the identical body type (Compact SLR).

Before getting straight into a in-depth comparison, below is a simple introduction of how the K-r grades against the K100D S when considering portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-r over the Pentax K100D S

 K-r K100D S 
ReleasedMarch 2011June 2007Newer by 46 months
Display dimension3"2.5"Larger display (+0.5")
Display resolution921k210kCrisper display (+711k dot)

Reasons to pick Pentax K100D S over the Pentax K-r

 K100D S K-r 

Common features in the Pentax K-r and Pentax K100D S

 K-r K100D S 
Focus manually More accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen
Touch display Lack of Touch display

Pentax K-r vs Pentax K100D S Physical Comparison

For anyone who is looking to travel with your camera, you will have to take into account its weight and size. The Pentax K-r provides outside dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs) while the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") and a weight of 646 grams (1.42 lbs).

Examine the Pentax K-r versus Pentax K100D S in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary based on the lens you are utilizing at that moment. Underneath is the front view overall size comparison of the K-r compared to the K100D S.

Pentax K-r vs Pentax K100D S size comparison

Taking into account size and weight, the portability rating of the K-r and K100D S is 67 and 65 respectively.

Pentax K-r vs Pentax K100D S top view buttons comparison

Pentax K-r vs Pentax K100D S Sensor Comparison

Often, it is very tough to envision the gap between sensor dimensions simply by checking technical specs. The image here should provide you a clearer sense of the sensor sizes in the K-r and K100D S.

As you have seen, both of those cameras posses the exact same sensor measurements but not the same resolution. You can expect to see the Pentax K-r to resolve more detail due to its extra 6MP. Greater resolution will also let you crop pics somewhat more aggressively. The fresher K-r will have an edge with regard to sensor innovation.

Pentax K-r vs Pentax K100D S sensor size comparison

Pentax K-r vs Pentax K100D S Screen and ViewFinder

Pentax K-r vs Pentax K100D S Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography details
Pentax K100D S Portrait photography details
63
focusing manually
sensor size is nice (APS-C)
comes with face detect autofocus
saves RAW files
low resolution sensor (12MP)
51
has manual focus
sensor size is good (APS-C)
delivers RAW formats
no liveview feature
megapixel count low (6MP)
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Street Comparison

Pentax K-r Street photography information
Pentax K100D S Street photography information
67
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
fixed screen
64
has image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
screen does not articulate
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Sports Comparison

Pentax K-r Sports photography information
Pentax K100D S Sports photography information
55
maximum shutter speed is high (1/6,000 seconds)
image stabilization (Sensor based)
sensor size is nice (APS-C)
has phase detect autofocus
slow fps (6.0 frames/s)
low resolution sensor (12MP)
not so great battery (470 per charge)
47
has image stabilization (Sensor based)
sensor size is good (APS-C)
comes with phase detect auto focus
no liveview feature
slow continuous shooting (3.0 frames/s)
megapixel count low (6MP)
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Travel Comparison

Pentax K-r Travel photography advice
Pentax K100D S Travel photography advice
47
built-in flash
not so great battery (470 shots)
low resolution sensor (12 megapixels)
doesn't posses selfie friendly screen
45
has built in flash
doesn't have Time Lapse recording
megapixel count low (6MP)
does not feature selfie friendly display
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Landscape Comparison

Pentax K-r Landscape photography advice
Pentax K100D S Landscape photography advice
65
focusing manually
change lenses (Pentax KAF2 mount)
nice screen size (3 inch)
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
low resolution sensor (12 megapixels)
not so great battery (470 shots)
52
has manual focus
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
screen is small (2.5 inch)
no liveview feature
megapixel count low (6 megapixels)
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K-r
Vlogging with Pentax K100D S
26
image stabilization (Sensor based)
comes with face detect autofocus
doesn't posses selfie friendly screen
low res video (1280 x 720 pxls)
missing mic socket
9
no video shooting
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Pentax K-r vs Pentax K100D S Specifications

Detailed spec comparison table for Pentax K-r and Pentax K100D S
 Pentax K-rPentax K100D Super
General Information
Brand Name Pentax Pentax
Model type Pentax K-r Pentax K100D Super
Class Entry-Level DSLR Entry-Level DSLR
Released 2011-03-11 2007-06-28
Body design Compact SLR Compact SLR
Sensor Information
Chip Prime II -
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor dimensions 23.6 x 15.8mm 23.5 x 15.7mm
Sensor area 372.9mm² 369.0mm²
Sensor resolution 12MP 6MP
Anti alias filter
Aspect ratio 3:2 3:2
Highest Possible resolution 4288 x 2848 3008 x 2008
Maximum native ISO 12800 3200
Maximum enhanced ISO 25600 -
Min native ISO 200 200
RAW photos
Min enhanced ISO 100 -
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 11 11
Cross type focus points 9 -
Lens
Lens support Pentax KAF2 Pentax KAF2
Amount of lenses 151 151
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inches 2.5 inches
Resolution of display 921k dot 210k dot
Selfie friendly
Liveview
Touch operation
Display technology TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 96 percent 96 percent
Viewfinder magnification 0.57x 0.57x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/6000s 1/4000s
Continuous shutter speed 6.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) -
Flash settings Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync Auto, On, Off, Red-eye reduction
External flash
AE bracketing
WB bracketing
Fastest flash sync 1/180s 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) -
Maximum video resolution 1280x720 None
Video format Motion JPEG -
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 598 gr (1.32 pounds) 646 gr (1.42 pounds)
Dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO Overall rating 72 not tested
DXO Color Depth rating 22.9 not tested
DXO Dynamic range rating 12.4 not tested
DXO Low light rating 755 not tested
Other
Battery life 470 images -
Battery format Battery Pack -
Battery ID D-LI109,4 x AA 4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage media SD/SDHC SD/SDHC card
Storage slots Single Single
Retail price $1,100 $520