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Pentax K-7 vs Pentax K100D

Portability
60
Imaging
54
Features
69
Overall
60
Pentax K-7 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Pentax K-7 vs Pentax K100D Key Specs

Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 2000 (Boost to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Introduced October 2009
  • Successor is Pentax K-5
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
  • Announced December 2006
  • Successor is Pentax K100D S
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Pentax K-7 vs Pentax K100D Overview

Here, we will be analyzing the Pentax K-7 vs Pentax K100D, former is a Advanced DSLR while the latter is a Entry-Level DSLR and both are created by Pentax. There is a considerable difference among the sensor resolutions of the K-7 (15MP) and K100D (6MP) but both cameras provide the identical sensor size (APS-C).

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The K-7 was manufactured 2 years after the K100D which is a fairly large difference as far as camera tech is concerned. Both of the cameras feature different body design with the Pentax K-7 being a Mid-size SLR camera and the Pentax K100D being a Compact SLR camera.

Before getting into a thorough comparison, here is a brief summation of how the K-7 grades vs the K100D in relation to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-7 over the Pentax K100D

 K-7 K100D 
AnnouncedOctober 2009December 2006More modern by 35 months
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution921k210kClearer screen (+711k dot)

Reasons to pick Pentax K100D over the Pentax K-7

 K100D K-7 

Common features in the Pentax K-7 and Pentax K100D

 K-7 K100D 
Focus manually Dial exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch friendly screen Neither has Touch friendly screen

Pentax K-7 vs Pentax K100D Physical Comparison

In case you're looking to carry around your camera, you have to factor in its weight and volume. The Pentax K-7 has exterior dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs) whilst the Pentax K100D has sizing of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).

Look at the Pentax K-7 vs Pentax K100D in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary based on the lens you are utilizing at that time. Underneath is a front view dimensions comparison of the K-7 compared to the K100D.

Pentax K-7 vs Pentax K100D size comparison

Factoring in size and weight, the portability grade of the K-7 and K100D is 60 and 64 respectively.

Pentax K-7 vs Pentax K100D top view buttons comparison

Pentax K-7 vs Pentax K100D Sensor Comparison

Generally, its difficult to picture the contrast in sensor sizes only by seeing specs. The pic underneath might offer you a far better sense of the sensor sizes in the K-7 and K100D.

All in all, both of the cameras feature the identical sensor size albeit different megapixels. You can expect the Pentax K-7 to show extra detail due to its extra 9MP. Higher resolution will also let you crop photographs way more aggressively. The younger K-7 provides an edge with regard to sensor tech.

Pentax K-7 vs Pentax K100D sensor size comparison

Pentax K-7 vs Pentax K100D Screen and ViewFinder

Pentax K-7 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-7 Portrait photography features
Pentax K100D Portrait photography features
72
has manual focus
good MP (15MP)
decent sensor size (APS-C)
comes with face detection focusing
delivers RAW files
51
has manual focus
sensor size is nice (APS-C)
saves RAW formats
does not have liveview
megapixel count low (6 megapixels)
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Street Comparison

Pentax K-7 Street photography advice
Pentax K100D Street photography advice
66
has image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
environment sealing
no moving screen
58
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
no articulating screen
more heavy than competition (660g)
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Sports Comparison

Pentax K-7 Sports photography details
Pentax K100D Sports photography details
69
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
good MP (15 megapixels)
decent sensor size (APS-C)
environment sealing
comes with phase detect AF
continuous shooting slow (5.0 frames/s)
47
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports phase detect AF
does not have liveview
slow frames per second (3.0 frames per second)
megapixel count low (6MP)
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Travel Comparison

Travel photography with Pentax K-7
Travel photography with Pentax K100D
64
environment sealing
good MP (15MP)
built-in flash
display isn't selfie friendly
42
flash built-in
doesn't have Timelapse recording
more heavy than competition (660g)
megapixel count low (6MP)
doesn't offer selfie friendly screen
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Landscape Comparison

Pentax K-7 Landscape photography details
Pentax K100D Landscape photography details
77
has manual focus
interchangeable lenses (Pentax KAF2 mount)
screen is a good size (3 inch)
has image stabilization (Sensor based)
good MP (15 megapixels)
decent sensor size (APS-C)
delivers RAW files
environment sealing
52
has manual focus
swap lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
tiny screen (2.5 inches)
does not have liveview
megapixel count low (6 megapixels)
doesn't have Timelapse recording
Photography Glossary

Vlogging Comparison

Pentax K-7 Vlogging information
Pentax K100D Vlogging information
25
has image stabilization (Sensor based)
comes with face detection focusing
display isn't selfie friendly
low quality video (1280 x 720 pxls)
no external microphone support
9
no video
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Pentax K-7 vs Pentax K100D Specifications

Detailed spec comparison table for Pentax K-7 and Pentax K100D
 Pentax K-7Pentax K100D
General Information
Brand Name Pentax Pentax
Model type Pentax K-7 Pentax K100D
Category Advanced DSLR Entry-Level DSLR
Introduced 2009-10-02 2006-12-03
Physical type Mid-size SLR Compact SLR
Sensor Information
Processor Chip Prime II -
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor measurements 23.4 x 15.6mm 23.5 x 15.7mm
Sensor surface area 365.0mm² 369.0mm²
Sensor resolution 15 megapixel 6 megapixel
Anti alias filter
Aspect ratio 3:2 3:2
Maximum resolution 4672 x 3104 3008 x 2008
Maximum native ISO 2000 3200
Maximum boosted ISO 6400 -
Min native ISO 100 200
RAW data
Autofocusing
Manual focusing
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 11
Lens
Lens support Pentax KAF2 Pentax KAF
Total lenses 151 151
Crop factor 1.5 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 3 inch 2.5 inch
Screen resolution 921k dots 210k dots
Selfie friendly
Liveview
Touch function
Screen tech TFT color LCD with AR coating -
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.61x 0.57x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting rate 5.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 13.00 m -
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless Auto, On, Off, Red-eye reduction
Hot shoe
AEB
WB bracketing
Maximum flash synchronize 1/180 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Maximum video resolution 1280x720 None
Video data format Motion JPEG -
Microphone 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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750g (1.65 lbs) 660g (1.46 lbs)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO All around rating 61 not tested
DXO Color Depth rating 22.6 not tested
DXO Dynamic range rating 10.6 not tested
DXO Low light rating 536 not tested
Other
Battery life 980 photos -
Form of battery Battery Pack -
Battery ID D-LI90 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage type SD/SDHC/MMC SD/MMC card
Card slots Single Single
Pricing at launch $599 $0