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Pentax K100D S vs Sony A330

Portability
65
Imaging
45
Features
38
Overall
42
Pentax K100D Super front
 
Sony Alpha DSLR-A330 front
Portability
67
Imaging
50
Features
50
Overall
50

Pentax K100D S vs Sony A330 Key Specs

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
  • Announced June 2007
  • Succeeded the Pentax K100D
  • Later Model is Pentax K200D
Sony A330
(Full Review)
  • 10MP - APS-C Sensor
  • 2.7" Tilting Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 529g - 128 x 97 x 71mm
  • Announced May 2009
  • Previous Model is Sony A300
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Pentax K100D S vs Sony A330 Overview

Lets look closer at the Pentax K100D S versus Sony A330, both Entry-Level DSLR digital cameras by brands Pentax and Sony. There exists a large gap between the sensor resolutions of the K100D S (6MP) and A330 (10MP) but both cameras provide the identical sensor sizes (APS-C).

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The K100D S was revealed 23 months prior to the A330 which makes them a generation away from one another. Each of these cameras feature the same body design (Compact SLR).

Before delving right into a more detailed comparison, here is a brief highlight of how the K100D S scores against the A330 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K100D S over the Sony A330

 K100D S A330 

Reasons to pick Sony A330 over the Pentax K100D S

 A330 K100D S 
AnnouncedMay 2009June 2007Newer by 23 months
Screen typeTiltingFixed Tilting screen
Screen size2.7"2.5"Bigger screen (+0.2")
Screen resolution230k210kSharper screen (+20k dot)

Common features in the Pentax K100D S and Sony A330

 K100D S A330 
Manually focus Dial accurate focus
Selfie screen Neither contains selfie screen
Touch screen Absent Touch screen

Pentax K100D S vs Sony A330 Physical Comparison

In case you're intending to travel with your camera frequently, you are going to need to factor its weight and dimensions. The Pentax K100D S has got physical dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs) while the Sony A330 has dimensions of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") and a weight of 529 grams (1.17 lbs).

Analyze the Pentax K100D S versus Sony A330 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change based on the lens you have chosen at the time. Underneath is a front view over all size comparison of the K100D S compared to the A330.

Pentax K100D S vs Sony A330 size comparison

Taking into consideration dimensions and weight, the portability grade of the K100D S and A330 is 65 and 67 respectively.

Pentax K100D S vs Sony A330 top view buttons comparison

Pentax K100D S vs Sony A330 Sensor Comparison

Normally, it is tough to visualize the difference between sensor dimensions only by reading technical specs. The pic below might offer you a much better sense of the sensor dimensions in the K100D S and A330.

As you can tell, both cameras come with the identical sensor size albeit different resolution. You can expect the Sony A330 to offer you more detail because of its extra 4MP. Higher resolution can also make it easier to crop pictures a good deal more aggressively. The more aged K100D S is going to be disadvantaged with regard to sensor tech.

Pentax K100D S vs Sony A330 sensor size comparison

Pentax K100D S vs Sony A330 Screen and ViewFinder

Pentax K100D S vs Sony A330 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D S as a Portrait photography camera
Sony A330 as a Portrait photography camera
51
manual focus
decent sensor size (APS-C)
supports RAW formats
no liveview
sensor resolution not great (6MP)
62
has manual focus
sensor size is decent (APS-C)
supports face detect focusing
exports RAW formats
resolution not great (10MP)
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Street Comparison

Pentax K100D S Street photography features
Sony A330 Street photography features
64
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
no moving screen
75
screen tilts
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW formats
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Sports Comparison

Sports photography with Pentax K100D S
Sports photography with Sony A330
47
has image stabilization (Sensor based)
decent sensor size (APS-C)
sensor has phase detect autofocus
no liveview
very slow continuous shooting (3.0 fps)
sensor resolution not great (6 megapixels)
50
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
comes with phase detect AF
very slow continuous shooting (3.0 fps)
resolution not great (10MP)
not so great battery power (230 CIPA)
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Travel Comparison

Pentax K100D S as a Travel photography camera
Sony A330 as a Travel photography camera
45
has built in flash
doesn't have Time Lapse recording
sensor resolution not great (6MP)
screen is not selfie friendly
44
built-in flash
does not have Time Lapse function
not so great battery power (230 shots)
resolution not great (10 megapixels)
doesn't have selfie friendly display
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Landscape Comparison

Landscape photography with Pentax K100D S
Landscape photography with Sony A330
52
manual focus
swap lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
tiny screen (2.5 inches)
no liveview
sensor resolution not great (6 megapixels)
doesn't have Time Lapse recording
54
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW formats
small screen (2.7 inch)
resolution not great (10 megapixels)
not so great battery power (230 CIPA)
does not have Time Lapse function
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Vlogging Comparison

Vlogging with Pentax K100D S
Vlogging with Sony A330
9
can't shoot video
9
lack of video recording
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Pentax K100D S vs Sony A330 Specifications

Detailed spec comparison table for Pentax K100D S and Sony A330
 Pentax K100D SuperSony Alpha DSLR-A330
General Information
Company Pentax Sony
Model type Pentax K100D Super Sony Alpha DSLR-A330
Category Entry-Level DSLR Entry-Level DSLR
Announced 2007-06-28 2009-05-18
Body design Compact SLR Compact SLR
Sensor Information
Processor - Bionz
Sensor type CCD CCD
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.7mm 23.5 x 15.7mm
Sensor surface area 369.0mm² 369.0mm²
Sensor resolution 6MP 10MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Maximum resolution 3008 x 2008 3872 x 2592
Maximum native ISO 3200 3200
Min native ISO 200 100
RAW format
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 9
Lens
Lens mount type Pentax KAF2 Sony/Minolta Alpha
Available lenses 151 143
Crop factor 1.5 1.5
Screen
Display type Fixed Type Tilting
Display size 2.5 inch 2.7 inch
Resolution of display 210k dot 230k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 96 percent 95 percent
Viewfinder magnification 0.57x 0.49x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting speed 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash distance - 10.00 m
Flash options Auto, On, Off, Red-eye reduction Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash sync 1/180 seconds 1/160 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Maximum video resolution None None
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 646g (1.42 pounds) 529g (1.17 pounds)
Physical dimensions 129 x 91 x 71mm (5.1" x 3.6" x 2.8") 128 x 97 x 71mm (5.0" x 3.8" x 2.8")
DXO scores
DXO All around rating not tested 64
DXO Color Depth rating not tested 22.4
DXO Dynamic range rating not tested 11.5
DXO Low light rating not tested 535
Other
Battery life - 230 images
Battery form - Battery Pack
Battery ID 4 x AA NP-FH50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC card SD/ SDHC, Memory Stick Pro Duo
Storage slots One One
Pricing at launch $520 $545