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Ricoh GR Digital III vs Sigma DP2s

Portability
92
Imaging
34
Features
35
Overall
34
Ricoh GR Digital III front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Ricoh GR Digital III vs Sigma DP2s Key Specs

Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Released July 2009
  • Refreshed by Ricoh GR Digital IV
Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Introduced February 2010
  • Earlier Model is Sigma DP2
  • Replacement is Sigma DP2x
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Ricoh GR Digital III vs Sigma DP2s Overview

On this page, we are analyzing the Ricoh GR Digital III versus Sigma DP2s, former being a Small Sensor Compact while the other is a Large Sensor Compact by brands Ricoh and Sigma. There is a considerable difference between the sensor resolutions of the GR Digital III (10MP) and DP2s (5MP) and the GR Digital III (1/1.7") and DP2s (APS-C) offer totally different sensor dimensions.

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The GR Digital III was launched 6 months earlier than the DP2s which means that they are both of a similar age. Both of the cameras have different body design with the Ricoh GR Digital III being a Compact camera and the Sigma DP2s being a Large Sensor Compact camera.

Before getting right into a in-depth comparison, here is a brief view of how the GR Digital III scores versus the DP2s with regards to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GR Digital III over the Sigma DP2s

 GR Digital III DP2s 
Display dimensions3"2.5"Larger display (+0.5")
Display resolution920k230kClearer display (+690k dot)

Reasons to pick Sigma DP2s over the Ricoh GR Digital III

 DP2s GR Digital III 

Common features in the Ricoh GR Digital III and Sigma DP2s

 GR Digital III DP2s 
IntroducedJuly 2009February 2010Similar age
Manually focus Very exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen
Touch friendly display Neither features Touch friendly display

Ricoh GR Digital III vs Sigma DP2s Physical Comparison

For anybody who is aiming to lug around your camera frequently, you have to think about its weight and size. The Ricoh GR Digital III enjoys external dimensions of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") having a weight of 208 grams (0.46 lbs) and the Sigma DP2s has specifications of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs).

See the Ricoh GR Digital III versus Sigma DP2s in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change based on the lens you select during that time. Underneath is a front view measurements comparison of the GR Digital III versus the DP2s.

Ricoh GR Digital III vs Sigma DP2s size comparison

Taking into account size and weight, the portability score of the GR Digital III and DP2s is 92 and 86 respectively.

Ricoh GR Digital III vs Sigma DP2s top view buttons comparison

Ricoh GR Digital III vs Sigma DP2s Sensor Comparison

Often, it is very tough to envision the contrast between sensor measurements merely by checking specs. The photograph here should give you a stronger sense of the sensor dimensions in the GR Digital III and DP2s.

As you can plainly see, both of those cameras have different megapixel count and different sensor measurements. The GR Digital III featuring a tinier sensor will make shooting shallower DOF tougher and the Ricoh GR Digital III will give more detail utilizing its extra 5 Megapixels. Greater resolution can also help you crop images a bit more aggressively.

Ricoh GR Digital III vs Sigma DP2s sensor size comparison

Ricoh GR Digital III vs Sigma DP2s Screen and ViewFinder

Ricoh GR Digital III vs Sigma DP2s Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR Digital III Portrait photography features
Sigma DP2s Portrait photography features
40
you can focus manually
saves RAW formats
low MP (10 megapixels)
small sensor (1/1.7")
56
has manual focus
sensor size is good (APS-C)
delivers RAW files
MP count low (5 megapixels)
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Street Comparison

Ricoh GR Digital III as a Street photography camera
Sigma DP2s as a Street photography camera
55
saves RAW formats
no moving screen
no image stabilization
small sensor (1/1.7")
67
sensor size is good (APS-C)
delivers RAW files
lighter than others in class (280 grams)
no articulating screen
no image stabilization
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Sports Comparison

Sports photography with Ricoh GR Digital III
Sports photography with Sigma DP2s
17
focal length is fixed (28mm)
no image stabilization
low MP (10 megapixels)
small sensor (1/1.7")
does not have phase detect AF
30
sensor size is good (APS-C)
fixed focal length (41mm)
slow fps (3.0 frames per second)
no image stabilization
MP count low (5 megapixels)
no phase detect AF
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Travel Comparison

Ricoh GR Digital III Travel photography details
Sigma DP2s Travel photography details
63
has built in flash
great max aperture (f1.9)
low MP (10MP)
screen is not selfie friendly
67
lighter than others in class (280 grams)
built-in flash
great maximum aperture (f)
MP count low (5MP)
display isn't selfie friendly
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Landscape Comparison

Ricoh GR Digital III Landscape photography info
Sigma DP2s Landscape photography info
45
you can focus manually
great max aperture (f1.9)
screen size is decent (3")
saves RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
no image stabilization
low MP (10MP)
small sensor (1/1.7")
48
has manual focus
great maximum aperture (f)
sensor size is good (APS-C)
delivers RAW files
cannot switch lens (fixed lens mount)
fixed focal length (41mm)
tiny screen (2.5 inches)
no image stabilization
MP count low (5MP)
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Vlogging Comparison

Ricoh GR Digital III Vlogging factors
Sigma DP2s Vlogging factors
25
great max aperture (f1.9)
screen is not selfie friendly
no image stabilization
low res video (640 x 480 pxls)
missing mic support
28
great maximum aperture (f)
lighter than others in class (280 grams)
display isn't selfie friendly
no image stabilization
video quality not great (320 x 240 resolution)
missing external mic support
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Ricoh GR Digital III vs Sigma DP2s Specifications

Detailed spec comparison table for Ricoh GR Digital III and Sigma DP2s
 Ricoh GR Digital IIISigma DP2s
General Information
Brand Ricoh Sigma
Model Ricoh GR Digital III Sigma DP2s
Type Small Sensor Compact Large Sensor Compact
Released 2009-07-27 2010-02-20
Physical type Compact Large Sensor Compact
Sensor Information
Powered by GR engine III True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/1.7" APS-C
Sensor dimensions 7.44 x 5.58mm 20.7 x 13.8mm
Sensor surface area 41.5mm² 285.7mm²
Sensor resolution 10MP 5MP
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Peak resolution 3648 x 2736 2640 x 1760
Highest native ISO 1600 3200
Min native ISO 64 50
RAW photos
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens mount fixed lens fixed lens
Lens focal range 28mm (1x) 41mm (1x)
Maximal aperture f/1.9 -
Macro focus distance 1cm -
Focal length multiplier 4.8 1.7
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inch 2.5 inch
Resolution of display 920 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (optional) None
Features
Minimum shutter speed 1 seconds 15 seconds
Fastest shutter speed 1/2000 seconds 1/2000 seconds
Continuous shutter rate - 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 3.00 m 4.30 m
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 320 x 240
Highest video resolution 640x480 320x240
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 208 gr (0.46 lbs) 280 gr (0.62 lbs)
Physical dimensions 109 x 59 x 26mm (4.3" x 2.3" x 1.0") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall 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
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC, Internal SD/SDHC/MMC card
Card slots One One
Pricing at release $399 $940