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Pentax X70 vs Sony A900

Portability
71
Imaging
35
Features
34
Overall
34
Pentax X70 front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
67
Features
62
Overall
65

Pentax X70 vs Sony A900 Key Specs

Pentax X70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 50 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-624mm (F2.8-5.0) lens
  • 410g - 110 x 83 x 90mm
  • Announced March 2009
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced October 2008
  • Successor is Sony A99
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Pentax X70 vs Sony A900 Overview

Here is a comprehensive review of the Pentax X70 versus Sony A900, former being a Small Sensor Superzoom while the other is a Advanced DSLR by rivals Pentax and Sony. There exists a noticeable gap among the sensor resolutions of the X70 (12MP) and A900 (25MP) and the X70 (1/2.3") and A900 (Full frame) boast different sensor size.

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The X70 was manufactured 5 months later than the A900 and they are both of a similar age. Each of the cameras feature different body design with the Pentax X70 being a SLR-like (bridge) camera and the Sony A900 being a Mid-size SLR camera.

Before diving into a comprehensive comparison, here is a short introduction of how the X70 scores against the A900 in the way of portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Pentax X70 over the Sony A900

 X70 A900 

Reasons to pick Sony A900 over the Pentax X70

 A900 X70 
Display size3"2.7"Larger display (+0.3")
Display resolution922k230kSharper display (+692k dot)

Common features in the Pentax X70 and Sony A900

 X70 A900 
AnnouncedMarch 2009October 2008Same age
Manual focus Dial precise focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen
Touch display Neither features Touch display

Pentax X70 vs Sony A900 Physical Comparison

If you're planning to carry your camera often, you're going to have to factor its weight and proportions. The Pentax X70 enjoys outside dimensions of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") along with a weight of 410 grams (0.90 lbs) and the Sony A900 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

Check out the Pentax X70 versus Sony A900 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will differ dependant on the lens you are using at that moment. Here is a front view proportions comparison of the X70 and the A900.

Pentax X70 vs Sony A900 size comparison

Looking at dimensions and weight, the portability rating of the X70 and A900 is 71 and 54 respectively.

Pentax X70 vs Sony A900 top view buttons comparison

Pentax X70 vs Sony A900 Sensor Comparison

Typically, it is very hard to visualize the gap in sensor sizing merely by checking out specifications. The graphic underneath might give you a better sense of the sensor sizes in the X70 and A900.

Plainly, each of these cameras feature different megapixels and different sensor sizing. The X70 featuring a smaller sensor is going to make shooting shallower DOF trickier and the Sony A900 will provide greater detail due to its extra 13 Megapixels. Greater resolution will help you crop images way more aggressively.

Pentax X70 vs Sony A900 sensor size comparison

Pentax X70 vs Sony A900 Screen and ViewFinder

Pentax X70 vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 as a Portrait photography camera
Sony A900 as a Portrait photography camera
29
has manual focus
external flash not possible
megapixel count low (12MP)
small sensor size (1/2.3")
lacks RAW format
72
has manual focus
MP count amazing (25 megapixels)
sensor size is large (Full frame)
saves RAW files
does not have liveview
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Street Comparison

Pentax X70 as a Street photography camera
Sony A900 as a Street photography camera
46
built in image stabilization (Sensor-shift)
fixed screen
small sensor size (1/2.3")
lacks RAW format
66
has image stabilization (Sensor based)
sensor size is large (Full frame)
saves RAW files
weather sealing
screen is fixed
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Sports Comparison

Pentax X70 Sports photography factors
Sony A900 Sports photography factors
50
incredible zoom range (26-624mm 24.0 x zoom)
built in image stabilization (Sensor-shift)
provides tracking focus
has phase detect AF
megapixel count low (12 megapixels)
small sensor size (1/2.3")
71
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
MP count amazing (25MP)
sensor size is large (Full frame)
weather sealing
sensor has phase detect AF
does not have liveview
slow frames per second (5.0 frames/s)
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Travel Comparison

Pentax X70 Travel photography information
Sony A900 Travel photography information
52
flash built-in
decently wide (26mm)
long reach (624mm)
missing Timelapse mode
megapixel count low (12 megapixels)
doesn't have selfie friendly display
somewhat slow maximum aperture (f2.8)
55
weather sealing
MP count amazing (25 megapixels)
doesn't have Time Lapse recording
doesn't contain selfie friendly display
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Landscape Comparison

Pentax X70 Landscape photography advice
Sony A900 Landscape photography advice
36
has manual focus
decently wide (26mm)
built in image stabilization (Sensor-shift)
can't switch lens (fixed lens mount)
somewhat slow maximum aperture (f2.8)
screen is somewhat small (2.7 inch)
megapixel count low (12 megapixels)
small sensor size (1/2.3")
lacks RAW format
missing Timelapse mode
73
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
MP count amazing (25 megapixels)
sensor size is large (Full frame)
saves RAW files
weather sealing
has dual storage slots
does not have liveview
doesn't have Time Lapse recording
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Vlogging Comparison

Pentax X70 Vlogging highlights
Sony A900 Vlogging highlights
24
decently wide (26mm)
built in image stabilization (Sensor-shift)
somewhat slow maximum aperture (f2.8)
doesn't have selfie friendly display
video quality not great (1280 x 720 pixels)
missing microphone jack
9
lack of video recording
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Pentax X70 vs Sony A900 Specifications

Detailed spec comparison table for Pentax X70 and Sony A900
 Pentax X70Sony Alpha DSLR-A900
General Information
Brand Pentax Sony
Model Pentax X70 Sony Alpha DSLR-A900
Category Small Sensor Superzoom Advanced DSLR
Announced 2009-03-02 2008-10-22
Body design SLR-like (bridge) Mid-size SLR
Sensor Information
Processor Chip - Bionz
Sensor type CCD CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.9 x 24mm
Sensor area 28.1mm² 861.6mm²
Sensor resolution 12 megapixels 25 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 4000 x 3000 6048 x 4032
Maximum native ISO 6400 6400
Lowest native ISO 50 100
RAW images
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 9 9
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 26-624mm (24.0x) -
Max aperture f/2.8-5.0 -
Macro focus range 10cm -
Total lenses - 143
Crop factor 5.8 1
Screen
Display type Fixed Type Fixed Type
Display sizing 2.7 inch 3 inch
Resolution of display 230 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch screen
Display technology - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.74x
Features
Slowest shutter speed 4 secs 30 secs
Maximum shutter speed 1/4000 secs 1/8000 secs
Continuous shooting speed - 5.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range 9.10 m no built-in flash
Flash settings - Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync - 1/250 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Maximum video resolution 1280x720 None
Video data 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 None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 410 grams (0.90 lb) 895 grams (1.97 lb)
Physical dimensions 110 x 83 x 90mm (4.3" x 3.3" x 3.5") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around score not tested 79
DXO Color Depth score not tested 23.7
DXO Dynamic range score not tested 12.3
DXO Low light score not tested 1431
Other
Battery life - 880 photos
Form of battery - Battery Pack
Battery model D-LI92 NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media SD/SDHC, Internal Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Storage slots Single Two
Retail pricing $200 $2,736