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Ricoh GR III vs Sigma DP2

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sigma DP2 front
Portability
86
Imaging
44
Features
28
Overall
37

Ricoh GR III vs Sigma DP2 Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Introduced September 2018
  • Succeeded the Ricoh GR III
  • Successor is Ricoh GR III
Sigma DP2
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Launched September 2009
  • Updated by Sigma DP2s
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Ricoh GR III vs Sigma DP2 Overview

On this page, we are looking at the Ricoh GR III and Sigma DP2, both Large Sensor Compact cameras by brands Ricoh and Sigma. There exists a considerable gap among the image resolutions of the GR III (24MP) and DP2 (5MP) but both cameras provide the same sensor measurements (APS-C).

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The GR III was manufactured 9 years later than the DP2 and that is a fairly large difference as far as camera technology is concerned. Both the cameras have the same body design (Large Sensor Compact).

Before going into a step-by-step comparison, here is a brief highlight of how the GR III grades against the DP2 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Ricoh GR III over the Sigma DP2

 GR III DP2 
LaunchedSeptember 2018September 2009Fresher by 110 months
Display dimensions3"2.5"Larger display (+0.5")
Display resolution1037k230kCrisper display (+807k dot)
Touch friendly display Easily navigate

Reasons to pick Sigma DP2 over the Ricoh GR III

 DP2 GR III 

Common features in the Ricoh GR III and Sigma DP2

 GR III DP2 
Manual focus More exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen

Ricoh GR III vs Sigma DP2 Physical Comparison

When you are planning to carry your camera frequently, you will have to take into account its weight and volume. The Ricoh GR III comes with outer dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") accompanied by a weight of 257 grams (0.57 lbs) whilst the Sigma DP2 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).

Analyze the Ricoh GR III and Sigma DP2 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ dependant on the lens you use at that moment. Underneath is a front view size comparison of the GR III and the DP2.

Ricoh GR III vs Sigma DP2 size comparison

Taking into account dimensions and weight, the portability score of the GR III and DP2 is 90 and 86 respectively.

Ricoh GR III vs Sigma DP2 top view buttons comparison

Ricoh GR III vs Sigma DP2 Sensor Comparison

Normally, it can be difficult to visualise the gap in sensor sizing merely by looking through specs. The photograph underneath should give you a clearer sense of the sensor sizes in the GR III and DP2.

All in all, both the cameras have the same sensor dimensions but not the same resolution. You can expect to see the Ricoh GR III to provide you with extra detail due to its extra 19 Megapixels. Greater resolution will help you crop pics a bit more aggressively. The fresher GR III will have an advantage when it comes to sensor tech.

Ricoh GR III vs Sigma DP2 sensor size comparison

Ricoh GR III vs Sigma DP2 Screen and ViewFinder

Ricoh GR III vs Sigma DP2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III Portrait photography info
Sigma DP2 Portrait photography info
81
has manual focus
resolution is good (24 megapixels)
sensor size is good (APS-C)
provides face detect autofocus
delivers RAW formats
56
you can focus manually
sensor size is decent (APS-C)
supports RAW formats
MP count low (5 megapixels)
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Street Comparison

Ricoh GR III Street photography details
Sigma DP2 Street photography details
84
built in image stabilization (Sensor-shift)
sensor size is good (APS-C)
delivers RAW formats
supports focus via touch
lighter than competition in class (257 grams)
great high ISO (102,400)
screen does not articulate
67
sensor size is decent (APS-C)
supports RAW formats
lighter than average (280 grams)
screen is fixed
lack of image stabilization
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Sports Comparison

Ricoh GR III Sports photography details
Sigma DP2 Sports photography details
76
built in image stabilization (Sensor-shift)
resolution is good (24MP)
sensor size is good (APS-C)
provides tracking focus
supports phase detect autofocus
can't change focal length (28mm)
30
sensor size is decent (APS-C)
fixed focal length (41mm)
max fps very slow (3.0 frames per second)
lack of image stabilization
MP count low (5 megapixels)
does not have phase detect auto focus
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Travel Comparison

Ricoh GR III as a Travel photography camera
Sigma DP2 as a Travel photography camera
69
lighter than competition in class (257 grams)
supports focus via touch
resolution is good (24 megapixels)
no Time Lapse recording
does not have a selfie friendly display
somewhat slow max aperture (f2.8)
67
lighter than average (280 grams)
flash built-in
good maximum aperture (f)
MP count low (5 megapixels)
does not contain selfie friendly screen
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Landscape Comparison

Ricoh GR III Landscape photography factors
Sigma DP2 Landscape photography factors
69
has manual focus
screen is a good size (3 inches)
built in image stabilization (Sensor-shift)
resolution is good (24MP)
sensor size is good (APS-C)
does not have low pass filter
great high ISO (102,400)
delivers RAW formats
fixed lens (fixed lens mount)
can't change focal length (28mm)
somewhat slow max aperture (f2.8)
no Time Lapse recording
48
you can focus manually
good maximum aperture (f)
sensor size is decent (APS-C)
supports RAW formats
can't swap lenses (fixed lens mount)
fixed focal length (41mm)
small screen (2.5 inch)
lack of image stabilization
MP count low (5MP)
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Vlogging Comparison

Ricoh GR III Vlogging highlights
Sigma DP2 Vlogging highlights
37
touchscreen capability
built in image stabilization (Sensor-shift)
provides face detect autofocus
video resolution high (1920 x 1080 resolution)
lighter than competition in class (257g)
somewhat slow max aperture (f2.8)
does not have a selfie friendly display
no mic support
28
good maximum aperture (f)
lighter than average (280g)
does not contain selfie friendly screen
lack of image stabilization
video resolution low (320 x 240 resolution)
lack of microphone jack
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Ricoh GR III vs Sigma DP2 Specifications

Detailed spec comparison table for Ricoh GR III and Sigma DP2
 Ricoh GR IIISigma DP2
General Information
Make Ricoh Sigma
Model type Ricoh GR III Sigma DP2
Class Large Sensor Compact Large Sensor Compact
Introduced 2018-09-25 2009-09-21
Body design Large Sensor Compact Large Sensor Compact
Sensor Information
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 20.7 x 13.8mm
Sensor surface area 366.6mm² 285.7mm²
Sensor resolution 24MP 5MP
Anti alias filter
Aspect ratio 1:1 and 3:2 3:2 and 16:9
Highest Possible resolution 6000 x 4000 2640 x 1760
Maximum native ISO 102400 3200
Lowest native ISO 100 200
RAW data
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens support fixed lens fixed lens
Lens zoom range 28mm (1x) 41mm (1x)
Maximum aperture f/2.8-16 -
Macro focusing range 6cm -
Crop factor 1.5 1.7
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3" 2.5"
Resolution of screen 1,037 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (optional) None
Features
Min shutter speed 30 secs 15 secs
Max shutter speed 1/4000 secs 1/2000 secs
Continuous shutter speed - 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 4.30 m
Flash settings Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM 320 x 240 (30 fps)
Maximum video resolution 1920x1080 320x240
Video file format MPEG-4, H.264 Motion JPEG
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 257g (0.57 lbs) 280g (0.62 lbs)
Physical dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Type of storage Internal, SD/SDHC/SDXC (UHS-I supported) SD/SDHC/MMC card
Storage slots Single Single
Launch pricing $900 $649