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Pentax K-x vs Sony T900

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Sony Cyber-shot DSC-T900 front
Portability
96
Imaging
34
Features
30
Overall
32

Pentax K-x vs Sony T900 Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Boost to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Launched December 2009
Sony T900
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 143g - 98 x 58 x 16mm
  • Announced February 2009
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Pentax K-x vs Sony T900 Overview

The following is a in-depth analysis of the Pentax K-x vs Sony T900, former is a Entry-Level DSLR while the latter is a Ultracompact by rivals Pentax and Sony. The image resolution of the K-x (12MP) and the T900 (12MP) is pretty close but the K-x (APS-C) and T900 (1/2.3") come with totally different sensor sizes.

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The K-x was launched 11 months after the T900 so they are of a similar age. Both of the cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony T900 being a Ultracompact camera.

Before we go through a thorough comparison, below is a concise synopsis of how the K-x matches up versus the T900 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-x over the Sony T900

 K-x T900 
AnnouncedDecember 2009February 2009Newer by 11 months

Reasons to pick Sony T900 over the Pentax K-x

 T900 K-x 
Screen sizing3.5"2.7"Bigger screen (+0.8")
Screen resolution922k230kCrisper screen (+692k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax K-x and Sony T900

 K-x T900 
Manually focus More accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen

Pentax K-x vs Sony T900 Physical Comparison

For anyone who is going to travel with your camera often, you will need to think about its weight and measurements. The Pentax K-x offers outer measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) whilst the Sony T900 has proportions of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") along with a weight of 143 grams (0.32 lbs).

Analyze the Pentax K-x vs Sony T900 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change based on the lens you are using at that moment. Underneath is the front view size comparison of the K-x compared to the T900.

Pentax K-x vs Sony T900 size comparison

Taking into consideration dimensions and weight, the portability rating of the K-x and T900 is 69 and 96 respectively.

Pentax K-x vs Sony T900 top view buttons comparison

Pentax K-x vs Sony T900 Sensor Comparison

Normally, it can be tough to see the gap in sensor dimensions only by viewing a spec sheet. The pic here should provide you a far better sense of the sensor measurements in the K-x and T900.

As you can see, the two cameras enjoy the same exact megapixel count albeit not the same sensor dimensions. The K-x features the bigger sensor which will make obtaining shallower depth of field easier. The more recent K-x is going to have an advantage when it comes to sensor innovation.

Pentax K-x vs Sony T900 sensor size comparison

Pentax K-x vs Sony T900 Screen and ViewFinder

Pentax K-x vs Sony T900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x Portrait photography info
Sony T900 Portrait photography info
63
has manual focus
sensor size is good (APS-C)
features face detect autofocus
exports RAW formats
megapixel count low (12MP)
27
manual focus
no manual mode
no external flash support
low megapixels (12MP)
sensor is tiny (1/2.3")
no RAW format
Photography Glossary

Street Comparison

Pentax K-x Street photography info
Sony T900 Street photography info
67
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
fixed screen
57
built in image stabilization (Optical)
no moving screen
sensor is tiny (1/2.3")
no RAW format
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Sports Comparison

Pentax K-x Sports photography features
Sony T900 Sports photography features
61
high shutter speed (1/6,000s)
image stabilization (Sensor based)
sensor size is good (APS-C)
great battery power (1,900 shots)
has phase detect autofocus
very slow continuous shooting (5.0 frames/s)
megapixel count low (12MP)
24
built in image stabilization (Optical)
low max shutter speed (1/1,000 seconds)
max frames per second low (2.0 fps)
no shutter priority mode
low megapixels (12MP)
sensor is tiny (1/2.3")
no phase detect auto focus
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Travel Comparison

Pentax K-x Travel photography information
Sony T900 Travel photography information
54
great battery power (1,900 CIPA)
flash built-in
no Timelapse function
megapixel count low (12MP)
doesn't posses selfie friendly screen
51
has built in flash
does not have Timelapse mode
low megapixels (12 megapixels)
doesn't offer selfie friendly display
wide angle not fantastic (35mm)
sluggish max aperture (f3.5)
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Landscape Comparison

Pentax K-x Landscape photography factors
Sony T900 Landscape photography factors
61
has manual focus
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
great battery power (1,900 shots)
tiny screen (2.7")
megapixel count low (12 megapixels)
no Timelapse function
36
manual focus
big screen (3.5")
built in image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not fantastic (35mm)
sluggish max aperture (f3.5)
no manual mode
low megapixels (12 megapixels)
sensor is tiny (1/2.3")
no RAW format
does not have Timelapse mode
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Vlogging Comparison

Pentax K-x Vlogging advice
Sony T900 Vlogging advice
27
image stabilization (Sensor based)
features face detect autofocus
doesn't posses selfie friendly screen
low res video (1280 x 720 pixels)
no microphone support
28
touchscreen
built in image stabilization (Optical)
wide angle not fantastic (35mm)
sluggish max aperture (f3.5)
doesn't offer selfie friendly display
low quality video (1280 x 720 resolution)
does not have microphone support
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Pentax K-x vs Sony T900 Specifications

Detailed spec comparison table for Pentax K-x and Sony T900
 Pentax K-xSony Cyber-shot DSC-T900
General Information
Brand Name Pentax Sony
Model type Pentax K-x Sony Cyber-shot DSC-T900
Category Entry-Level DSLR Ultracompact
Launched 2009-12-23 2009-02-17
Physical type Compact SLR Ultracompact
Sensor Information
Processor Chip Prime -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.6 x 15.8mm 6.17 x 4.55mm
Sensor surface area 372.9mm² 28.1mm²
Sensor resolution 12MP 12MP
Anti alias filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Maximum resolution 4288 x 2848 4000 x 3000
Maximum native ISO 6400 3200
Maximum boosted ISO 12800 -
Min native ISO 100 80
RAW pictures
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 11 9
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 35-140mm (4.0x)
Maximum aperture - f/3.5-10.0
Total lenses 151 -
Crop factor 1.5 5.8
Screen
Type of display Fixed Type Fixed Type
Display diagonal 2.7 inches 3.5 inches
Resolution of display 230 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch display
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Slowest shutter speed 30s 2s
Maximum shutter speed 1/6000s 1/1000s
Continuous shooting rate 5.0fps 2.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Custom white balance
Image stabilization
Integrated flash
Flash distance 16.00 m 2.90 m (Auto ISO)
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize 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 (24 fps), 640 x 416 (24 fps) 1280 x 720 (30 fps) 640 x 480 (30 fps)
Maximum video resolution 1280x720 1280x720
Video data format Motion JPEG Motion JPEG
Microphone support
Headphone support
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 580g (1.28 lbs) 143g (0.32 lbs)
Dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 98 x 58 x 16mm (3.9" x 2.3" x 0.6")
DXO scores
DXO All around rating 72 not tested
DXO Color Depth rating 22.8 not tested
DXO Dynamic range rating 12.5 not tested
DXO Low light rating 811 not tested
Other
Battery life 1900 pictures -
Style of battery Battery Pack -
Battery ID 4 x AA -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC card Memory Stick Duo / Pro Duo, Internal
Card slots One One
Cost at launch $600 $300