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Pentax X70 vs Sony A850

Portability
71
Imaging
35
Features
34
Overall
34
Pentax X70 front
 
Sony Alpha DSLR-A850 front
Portability
54
Imaging
68
Features
60
Overall
64

Pentax X70 vs Sony A850 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
  • Revealed March 2009
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Released April 2010
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Pentax X70 vs Sony A850 Overview

In this write-up, we will be reviewing the Pentax X70 versus Sony A850, one is a Small Sensor Superzoom and the latter is a Advanced DSLR by competitors Pentax and Sony. There exists a sizeable gap between the sensor resolutions of the X70 (12MP) and A850 (25MP) and the X70 (1/2.3") and A850 (Full frame) feature totally different sensor measurements.

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The X70 was unveiled 13 months before the A850 which makes the cameras a generation away from one another. Each of the cameras offer different body type with the Pentax X70 being a SLR-like (bridge) camera and the Sony A850 being a Mid-size SLR camera.

Before diving straight into a thorough comparison, below is a concise synopsis of how the X70 matches up against the A850 in relation to portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Pentax X70 over the Sony A850

 X70 A850 

Reasons to pick Sony A850 over the Pentax X70

 A850 X70 
ReleasedApril 2010March 2009More modern by 13 months
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution922k230kCrisper screen (+692k dot)

Common features in the Pentax X70 and Sony A850

 X70 A850 
Manually focus Very precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch screen Absent Touch screen

Pentax X70 vs Sony A850 Physical Comparison

For anyone who is aiming to carry around your camera, you will want to consider its weight and volume. The Pentax X70 has exterior measurements of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") having a weight of 410 grams (0.90 lbs) while the Sony A850 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Examine the Pentax X70 versus Sony A850 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using at that time. Following is the front view dimension comparison of the X70 against the A850.

Pentax X70 vs Sony A850 size comparison

Taking into consideration dimensions and weight, the portability grade of the X70 and A850 is 71 and 54 respectively.

Pentax X70 vs Sony A850 top view buttons comparison

Pentax X70 vs Sony A850 Sensor Comparison

More often than not, it's tough to envision the contrast between sensor sizes simply by looking at specifications. The image below will provide you a greater sense of the sensor measurements in the X70 and A850.

Plainly, both cameras enjoy different megapixels and different sensor sizes. The X70 using its tinier sensor will make shooting shallow DOF trickier and the Sony A850 will give greater detail having an extra 13 Megapixels. Higher resolution will let you crop shots far more aggressively. The more aged X70 is going to be behind in sensor innovation.

Pentax X70 vs Sony A850 sensor size comparison

Pentax X70 vs Sony A850 Screen and ViewFinder

Pentax X70 vs Sony A850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 Portrait photography advice
Sony A850 Portrait photography advice
29
focusing manually
can't use external flash
megapixel count low (12MP)
very small sensor (1/2.3")
does not have RAW format
72
manual focus
high megapixels (25MP)
sensor size is great (Full frame)
supports RAW formats
no liveview feature
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Street Comparison

Pentax X70 Street photography factors
Sony A850 Street photography factors
46
has image stabilization (Sensor-shift)
screen does not articulate
very small sensor (1/2.3")
does not have RAW format
66
has image stabilization (Sensor based)
sensor size is great (Full frame)
supports RAW formats
environment proofing
screen does not articulate
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Sports Comparison

Pentax X70 as a Sports photography camera
Sony A850 as a Sports photography camera
50
excellent zoom range (26-624mm 24.0 x zoom)
has image stabilization (Sensor-shift)
offers tracking autofocus
supports phase detect AF
megapixel count low (12 megapixels)
very small sensor (1/2.3")
71
great max shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
high megapixels (25 megapixels)
sensor size is great (Full frame)
environment proofing
comes with phase detect autofocus
no liveview feature
painfully slow continuous shooting (3.0 frames per second)
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Travel Comparison

Pentax X70 Travel photography highlights
Sony A850 Travel photography highlights
52
has built in flash
reasonably wide (26mm)
long zoom (624mm)
doesn't have Time Lapse function
megapixel count low (12MP)
screen isn't selfie friendly
sluggish max aperture (f2.8)
55
environment proofing
high megapixels (25MP)
doesn't have Time Lapse function
does not offer selfie friendly display
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Landscape Comparison

Pentax X70 as a Landscape photography camera
Sony A850 as a Landscape photography camera
36
focusing manually
reasonably wide (26mm)
has image stabilization (Sensor-shift)
cannot switch lenses (fixed lens mount)
sluggish max aperture (f2.8)
tiny screen (2.7")
megapixel count low (12 megapixels)
very small sensor (1/2.3")
does not have RAW format
doesn't have Time Lapse function
73
manual focus
switch lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
high megapixels (25 megapixels)
sensor size is great (Full frame)
supports RAW formats
environment proofing
2 card slots
no liveview feature
doesn't have Time Lapse function
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Vlogging Comparison

Pentax X70 Vlogging details
Sony A850 Vlogging details
24
reasonably wide (26mm)
has image stabilization (Sensor-shift)
sluggish max aperture (f2.8)
screen isn't selfie friendly
video resolution low (1280 x 720 pxls)
doesn't have external mic socket
9
no video
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Pentax X70 vs Sony A850 Specifications

Detailed spec comparison table for Pentax X70 and Sony A850
 Pentax X70Sony Alpha DSLR-A850
General Information
Company Pentax Sony
Model type Pentax X70 Sony Alpha DSLR-A850
Type Small Sensor Superzoom Advanced DSLR
Revealed 2009-03-02 2010-04-15
Physical type SLR-like (bridge) Mid-size SLR
Sensor Information
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 surface area 28.1mm² 861.6mm²
Sensor resolution 12 megapixels 25 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Max resolution 4000 x 3000 6048 x 4032
Max native ISO 6400 3200
Max enhanced ISO - 6400
Min native ISO 50 200
RAW support
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 9
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 26-624mm (24.0x) -
Maximum aperture f/2.8-5.0 -
Macro focusing distance 10cm -
Amount of lenses - 143
Focal length multiplier 5.8 1
Screen
Type of display Fixed Type Fixed Type
Display diagonal 2.7 inch 3 inch
Display resolution 230 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch display
Display technology - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.74x
Features
Min shutter speed 4 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter rate - 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash distance 9.10 m no built-in flash
Flash options - Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
White balance bracketing
Max flash synchronize - 1/250 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), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Max video resolution 1280x720 None
Video format Motion JPEG -
Mic 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 410g (0.90 lbs) 895g (1.97 lbs)
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 Overall rating not tested 79
DXO Color Depth rating not tested 23.8
DXO Dynamic range rating not tested 12.2
DXO Low light rating not tested 1415
Other
Battery life - 880 pictures
Form of battery - Battery Pack
Battery ID D-LI92 NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC, Internal Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Card slots Single Dual
Retail pricing $200 $0