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Pentax K100D S vs Sony A450

Portability
65
Imaging
45
Features
38
Overall
42
Pentax K100D Super front
 
Sony Alpha DSLR-A450 front
Portability
65
Imaging
54
Features
52
Overall
53

Pentax K100D S vs Sony A450 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
  • Released June 2007
  • Replaced the Pentax K100D
  • Successor is Pentax K200D
Sony A450
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 200 - 12800
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 560g - 137 x 104 x 81mm
  • Revealed January 2010
Photography Glossary

Pentax K100D S vs Sony A450 Overview

Below is a detailed assessment of the Pentax K100D S vs Sony A450, both Entry-Level DSLR cameras by rivals Pentax and Sony. There is a substantial difference among the resolutions of the K100D S (6MP) and A450 (14MP) but they come with the exact same sensor sizing (APS-C).

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The K100D S was announced 3 years prior to the A450 and that is a fairly big difference as far as camera tech is concerned. Each of these cameras come with the identical body type (Compact SLR).

Before delving straight into a thorough comparison, below is a simple introduction of how the K100D S matches up versus the A450 with regard to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K100D S over the Sony A450

 K100D S A450 

Reasons to pick Sony A450 over the Pentax K100D S

 A450 K100D S 
RevealedJanuary 2010June 2007More recent by 30 months
Display dimension2.7"2.5"Larger display (+0.2")
Display resolution230k210kClearer display (+20k dot)

Common features in the Pentax K100D S and Sony A450

 K100D S A450 
Manual focus More exact focus
Display typeFixed Fixed Fixed display
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Pentax K100D S vs Sony A450 Physical Comparison

For anybody who is intending to lug around your camera frequently, you should factor in its weight and volume. The Pentax K100D S offers outside measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs) while the Sony A450 has sizing of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") having a weight of 560 grams (1.23 lbs).

Compare the Pentax K100D S vs Sony A450 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary dependant on the lens you select at that moment. Here is the front view measurement comparison of the K100D S against the A450.

Pentax K100D S vs Sony A450 size comparison

Considering size and weight, the portability grade of the K100D S and A450 is 65 and 65 respectively.

Pentax K100D S vs Sony A450 top view buttons comparison

Pentax K100D S vs Sony A450 Sensor Comparison

In many cases, it can be hard to visualize the gap in sensor measurements only by viewing technical specs. The visual below might give you a far better sense of the sensor measurements in the K100D S and A450.

As you can tell, both of the cameras posses the exact same sensor measurements but different MP. You can expect to see the Sony A450 to render greater detail with its extra 8 Megapixels. Greater resolution will make it easier to crop images somewhat more aggressively. The older K100D S will be disadvantaged with regard to sensor tech.

Pentax K100D S vs Sony A450 sensor size comparison

Pentax K100D S vs Sony A450 Screen and ViewFinder

Pentax K100D S vs Sony A450 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D S Portrait photography info
Sony A450 Portrait photography info
51
has manual focus
sensor size is decent (APS-C)
exports RAW files
doesn't have liveview
low resolution sensor (6MP)
72
has manual focus
decent sensor resolution (14 megapixels)
sensor size is decent (APS-C)
supports RAW formats
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Street Comparison

Pentax K100D S Street photography factors
Sony A450 Street photography factors
64
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
no articulating screen
66
image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW formats
fixed screen
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Sports Comparison

Pentax K100D S Sports photography advice
Sony A450 Sports photography advice
47
image stabilization (Sensor based)
sensor size is decent (APS-C)
sensor has phase detect AF
doesn't have liveview
very slow continuous shooting (3.0 fps)
low resolution sensor (6 megapixels)
77
image stabilization (Sensor based)
decent sensor resolution (14 megapixels)
sensor size is decent (APS-C)
great battery pack (1,050 shots)
comes with phase detect autofocus
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Travel Comparison

Pentax K100D S as a Travel photography camera
Sony A450 as a Travel photography camera
45
flash built-in
does not have Time Lapse recording
low resolution sensor (6MP)
doesn't have selfie friendly screen
60
great battery pack (1,050 CIPA)
decent sensor resolution (14 megapixels)
has built in flash
does not have Time Lapse recording
screen is not selfie friendly
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Landscape Comparison

Pentax K100D S Landscape photography details
Sony A450 Landscape photography details
52
has manual focus
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
tiny screen (2.5")
doesn't have liveview
low resolution sensor (6 megapixels)
does not have Time Lapse recording
66
has manual focus
change lenses (Sony/Minolta Alpha mount)
image stabilization (Sensor based)
decent sensor resolution (14MP)
sensor size is decent (APS-C)
supports RAW formats
great battery pack (1,050 per charge)
tiny screen (2.7")
does not have Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K100D S
Vlogging with Sony A450
9
can't shoot video
9
no video shooting
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Pentax K100D S vs Sony A450 Specifications

Detailed spec comparison table for Pentax K100D S and Sony A450
 Pentax K100D SuperSony Alpha DSLR-A450
General Information
Make Pentax Sony
Model type Pentax K100D Super Sony Alpha DSLR-A450
Type Entry-Level DSLR Entry-Level DSLR
Released 2007-06-28 2010-01-05
Physical type Compact SLR Compact SLR
Sensor Information
Processor Chip - Bionz
Sensor type CCD CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.7mm 23.4 x 15.6mm
Sensor surface area 369.0mm² 365.0mm²
Sensor resolution 6 megapixels 14 megapixels
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 3008 x 2008 4592 x 3056
Highest native ISO 3200 12800
Minimum native ISO 200 200
RAW format
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 11 9
Lens
Lens mount type Pentax KAF2 Sony/Minolta Alpha
Total lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 2.5 inch 2.7 inch
Resolution of screen 210k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Screen technology - TFT Clear Photo Color LCD
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 96 percent 95 percent
Viewfinder magnification 0.57x 0.53x
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter rate 3.0fps 7.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance - 12.00 m (at ISO 100)
Flash options Auto, On, Off, Red-eye reduction Auto, Fill, Rear Sync, Slow Sync, Wireless/ High Speed Sync
External flash
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/180s 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Highest video resolution None None
Mic 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 646 grams (1.42 lbs) 560 grams (1.23 lbs)
Dimensions 129 x 91 x 71mm (5.1" x 3.6" x 2.8") 137 x 104 x 81mm (5.4" x 4.1" x 3.2")
DXO scores
DXO Overall rating not tested 66
DXO Color Depth rating not tested 21.8
DXO Dynamic range rating not tested 11.8
DXO Low light rating not tested 769
Other
Battery life - 1050 pictures
Type of battery - Battery Pack
Battery ID 4 x AA NP-FM500H
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC card SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Launch pricing $520 $1,241