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Pentax X70 vs Sigma DP2s

Portability
71
Imaging
34
Features
34
Overall
34
Pentax X70 front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Pentax X70 vs Sigma DP2s 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
  • Launched March 2009
Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Released February 2010
  • Superseded the Sigma DP2
  • Updated by Sigma DP2x
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Pentax X70 vs Sigma DP2s Overview

Let's look more in depth at the Pentax X70 and Sigma DP2s, one is a Small Sensor Superzoom and the latter is a Large Sensor Compact by brands Pentax and Sigma. There is a sizeable difference among the sensor resolutions of the X70 (12MP) and DP2s (5MP) and the X70 (1/2.3") and DP2s (APS-C) offer different sensor size.

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The X70 was brought out 11 months earlier than the DP2s and they are of a similar generation. Each of the cameras have different body design with the Pentax X70 being a SLR-like (bridge) camera and the Sigma DP2s being a Large Sensor Compact camera.

Before delving right into a comprehensive comparison, here is a quick highlight of how the X70 grades against the DP2s in regards to portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Pentax X70 over the Sigma DP2s

 X70 DP2s 
Screen dimensions2.7"2.5"Bigger screen (+0.2")

Reasons to pick Sigma DP2s over the Pentax X70

 DP2s X70 
ReleasedFebruary 2010March 2009More modern by 11 months

Common features in the Pentax X70 and Sigma DP2s

 X70 DP2s 
Manual focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kSame screen resolution
Selfie screen Neither comes with selfie screen
Touch friendly screen Neither comes with Touch friendly screen

Pentax X70 vs Sigma DP2s Physical Comparison

For anyone who is aiming to carry around your camera, you have to take into account its weight and volume. The Pentax X70 comes with outside 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 Sigma DP2s has sizing of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs).

Take a look at the Pentax X70 and Sigma DP2s in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have during that time. The following is a front view size comparison of the X70 versus the DP2s.

Pentax X70 vs Sigma DP2s size comparison

Looking at size and weight, the portability grade of the X70 and DP2s is 71 and 86 respectively.

Pentax X70 vs Sigma DP2s top view buttons comparison

Pentax X70 vs Sigma DP2s Sensor Comparison

Often, it is very hard to imagine the difference in sensor sizes simply by looking through a spec sheet. The image below might give you a clearer sense of the sensor measurements in the X70 and DP2s.

Clearly, both the cameras have different resolutions and different sensor sizes. The X70 because of its smaller sensor is going to make achieving bokeh tougher and the Pentax X70 will result in greater detail having its extra 7 Megapixels. Higher resolution will allow you to crop pictures a bit more aggressively. The more aged X70 will be disadvantaged in sensor innovation.

Pentax X70 vs Sigma DP2s sensor size comparison

Pentax X70 vs Sigma DP2s Screen and ViewFinder

Pentax X70 vs Sigma DP2s Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 Portrait photography features
Sigma DP2s Portrait photography features
28
focusing manually
no external flash support
low megapixels (12 megapixels)
tiny sensor size (1/2.3")
has no RAW support
56
manual focus
decent sensor size (APS-C)
exports RAW files
resolution not great (5 megapixels)
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Street Comparison

Pentax X70 as a Street photography camera
Sigma DP2s as a Street photography camera
46
built in image stabilization (Sensor-shift)
no articulating screen
tiny sensor size (1/2.3")
has no RAW support
67
decent sensor size (APS-C)
exports RAW files
lighter than competition in class (280 grams)
no moving screen
no image stabilization
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Sports Comparison

Pentax X70 Sports photography advice
Sigma DP2s Sports photography advice
50
long zoom range (26-624mm 24.0 x zoom)
built in image stabilization (Sensor-shift)
supports tracking focus
has phase detect auto focus
low megapixels (12 megapixels)
tiny sensor size (1/2.3")
30
decent sensor size (APS-C)
focal length is fixed (41mm)
slow continuous shooting (3.0 frames/s)
no image stabilization
resolution not great (5 megapixels)
no phase detect auto focus
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Travel Comparison

Pentax X70 Travel photography details
Sigma DP2s Travel photography details
52
has built in flash
relatively wide (26mm)
long reach (624mm)
missing Time Lapse mode
low megapixels (12 megapixels)
doesn't have selfie friendly display
sluggish maximum aperture (f2.8)
67
lighter than competition in class (280g)
built-in flash
good maximum aperture (f)
resolution not great (5 megapixels)
display isn't selfie friendly
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Landscape Comparison

Pentax X70 Landscape photography features
Sigma DP2s Landscape photography features
35
focusing manually
relatively wide (26mm)
built in image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
sluggish maximum aperture (f2.8)
screen is small (2.7 inch)
low megapixels (12 megapixels)
tiny sensor size (1/2.3")
has no RAW support
missing Time Lapse mode
48
manual focus
good maximum aperture (f)
decent sensor size (APS-C)
exports RAW files
cannot swap lens (fixed lens mount)
focal length is fixed (41mm)
screen is small (2.5 inch)
no image stabilization
resolution not great (5 megapixels)
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Vlogging Comparison

Pentax X70 Vlogging highlights
Sigma DP2s Vlogging highlights
24
relatively wide (26mm)
built in image stabilization (Sensor-shift)
sluggish maximum aperture (f2.8)
doesn't have selfie friendly display
video quality not great (1280 x 720 resolution)
missing mic jack
28
good maximum aperture (f)
lighter than competition in class (280 grams)
display isn't selfie friendly
no image stabilization
low video resolution (320 x 240 pxls)
no external microphone jack
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Pentax X70 vs Sigma DP2s Specifications

Detailed spec comparison table for Pentax X70 and Sigma DP2s
 Pentax X70Sigma DP2s
General Information
Make Pentax Sigma
Model Pentax X70 Sigma DP2s
Category Small Sensor Superzoom Large Sensor Compact
Launched 2009-03-02 2010-02-20
Body design SLR-like (bridge) Large Sensor Compact
Sensor Information
Chip - True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 20.7 x 13.8mm
Sensor area 28.1mm² 285.7mm²
Sensor resolution 12 megapixels 5 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 2640 x 1760
Maximum native ISO 6400 3200
Lowest native ISO 50 50
RAW files
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 9 -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 26-624mm (24.0x) 41mm (1x)
Highest aperture f/2.8-5.0 -
Macro focus range 10cm -
Focal length multiplier 5.8 1.7
Screen
Display type Fixed Type Fixed Type
Display sizing 2.7 inch 2.5 inch
Display resolution 230k dot 230k dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic None
Features
Lowest shutter speed 4 secs 15 secs
Highest shutter speed 1/4000 secs 1/2000 secs
Continuous shooting speed - 3.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 9.10 m 4.30 m
Flash settings - Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
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) 320 x 240
Maximum video resolution 1280x720 320x240
Video file format Motion JPEG Motion JPEG
Microphone 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
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 410g (0.90 lb) 280g (0.62 lb)
Physical dimensions 110 x 83 x 90mm (4.3" x 3.3" x 3.5") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC, Internal SD/SDHC/MMC card
Storage slots One One
Retail price $200 $940