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Ricoh GR Digital IV vs Sigma DP2s

Portability
92
Imaging
35
Features
47
Overall
39
Ricoh GR Digital IV front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Ricoh GR Digital IV vs Sigma DP2s Key Specs

Ricoh GR Digital IV
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 190g - 109 x 59 x 33mm
  • Launched September 2011
  • Previous Model is Ricoh GR Digital III
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
  • Launched February 2010
  • Previous Model is Sigma DP2
  • New Model is Sigma DP2x
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Ricoh GR Digital IV vs Sigma DP2s Overview

In this article, we will be matching up the Ricoh GR Digital IV vs Sigma DP2s, one is a Small Sensor Compact and the latter is a Large Sensor Compact by rivals Ricoh and Sigma. There exists a significant gap among the sensor resolutions of the GR Digital IV (10MP) and DP2s (5MP) and the GR Digital IV (1/1.7") and DP2s (APS-C) feature different sensor dimensions.

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The GR Digital IV was brought out 20 months after the DP2s which makes the cameras a generation away from one another. Both cameras offer different body type with the Ricoh GR Digital IV being a Compact camera and the Sigma DP2s being a Large Sensor Compact camera.

Before we go in to a detailed comparison, below is a short view of how the GR Digital IV grades versus the DP2s when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR Digital IV over the Sigma DP2s

 GR Digital IV DP2s 
LaunchedSeptember 2011February 2010Newer by 20 months
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution1230k230kClearer screen (+1000k dot)

Reasons to pick Sigma DP2s over the Ricoh GR Digital IV

 DP2s GR Digital IV 

Common features in the Ricoh GR Digital IV and Sigma DP2s

 GR Digital IV DP2s 
Manually focus More exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen
Touch friendly screen Lacking Touch friendly screen

Ricoh GR Digital IV vs Sigma DP2s Physical Comparison

In case you're planning to travel with your camera frequently, you are going to need to factor its weight and proportions. The Ricoh GR Digital IV offers outer dimensions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") having a weight of 190 grams (0.42 lbs) and the Sigma DP2s has measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") accompanied by a weight of 280 grams (0.62 lbs).

Check the Ricoh GR Digital IV vs Sigma DP2s in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. Underneath is the front view sizing comparison of the GR Digital IV and the DP2s.

Ricoh GR Digital IV vs Sigma DP2s size comparison

Considering dimensions and weight, the portability grade of the GR Digital IV and DP2s is 92 and 86 respectively.

Ricoh GR Digital IV vs Sigma DP2s top view buttons comparison

Ricoh GR Digital IV vs Sigma DP2s Sensor Comparison

Quite often, it is difficult to visualize the gap in sensor dimensions merely by looking through specs. The image below may provide you a stronger sense of the sensor dimensions in the GR Digital IV and DP2s.

As you can plainly see, each of the cameras offer different resolutions and different sensor dimensions. The GR Digital IV due to its smaller sensor is going to make getting shallow DOF tougher and the Ricoh GR Digital IV will result in greater detail having its extra 5 Megapixels. Higher resolution will also make it easier to crop photographs a little more aggressively. The more modern GR Digital IV provides an advantage in sensor technology.

Ricoh GR Digital IV vs Sigma DP2s sensor size comparison

Ricoh GR Digital IV vs Sigma DP2s Screen and ViewFinder

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

Portrait Comparison

Ricoh GR Digital IV Portrait photography features
Sigma DP2s Portrait photography features
41
manual focus
saves RAW files
sensor resolution low (10MP)
tiny sensor (1/1.7")
56
manual focus
decent sensor size (APS-C)
delivers RAW files
megapixel count low (5MP)
Photography Glossary

Street Comparison

Street photography with Ricoh GR Digital IV
Street photography with Sigma DP2s
65
built in image stabilization (Sensor-shift)
saves RAW files
screen is fixed
tiny sensor (1/1.7")
67
decent sensor size (APS-C)
delivers RAW files
lighter than competition in class (280 grams)
screen does not articulate
lack of image stabilization
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Sports Comparison

Sports photography with Ricoh GR Digital IV
Sports photography with Sigma DP2s
34
built in image stabilization (Sensor-shift)
good battery (390 CIPA)
focal length is fixed (28mm)
sensor resolution low (10MP)
tiny sensor (1/1.7")
doesn't have phase detect auto focus
30
decent sensor size (APS-C)
focal length is fixed (41mm)
continuous shooting slow (3.0 frames/s)
lack of image stabilization
megapixel count low (5 megapixels)
doesn't have phase detect AF
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Travel Comparison

Ricoh GR Digital IV Travel photography details
Sigma DP2s Travel photography details
67
good battery (390 shots)
flash built-in
fast max aperture (f1.9)
sensor resolution low (10MP)
display isn't selfie friendly
67
lighter than competition in class (280g)
has built in flash
fast max aperture (f)
megapixel count low (5 megapixels)
display isn't selfie friendly
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Landscape Comparison

Ricoh GR Digital IV Landscape photography highlights
Sigma DP2s Landscape photography highlights
53
manual focus
fast max aperture (f1.9)
screen size is good (3 inches)
built in image stabilization (Sensor-shift)
saves RAW files
good battery (390 shots)
fixed lens (fixed lens mount)
focal length is fixed (28mm)
sensor resolution low (10MP)
tiny sensor (1/1.7")
48
manual focus
fast max aperture (f)
decent sensor size (APS-C)
delivers RAW files
fixed lens (fixed lens mount)
focal length is fixed (41mm)
screen is small (2.5")
lack of image stabilization
megapixel count low (5 megapixels)
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Vlogging Comparison

Ricoh GR Digital IV Vlogging details
Sigma DP2s Vlogging details
29
fast max aperture (f1.9)
built in image stabilization (Sensor-shift)
display isn't selfie friendly
video resolution low (640 x 480 pxls)
no external microphone socket
28
fast max aperture (f)
lighter than competition in class (280g)
display isn't selfie friendly
lack of image stabilization
low video resolution (320 x 240 resolution)
missing microphone socket
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Ricoh GR Digital IV vs Sigma DP2s Specifications

Detailed spec comparison table for Ricoh GR Digital IV and Sigma DP2s
 Ricoh GR Digital IVSigma DP2s
General Information
Make Ricoh Sigma
Model Ricoh GR Digital IV Sigma DP2s
Category Small Sensor Compact Large Sensor Compact
Launched 2011-09-15 2010-02-20
Physical type Compact Large Sensor Compact
Sensor Information
Processor - True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/1.7" APS-C
Sensor measurements 7.44 x 5.58mm 20.7 x 13.8mm
Sensor area 41.5mm² 285.7mm²
Sensor resolution 10 megapixels 5 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Highest Possible resolution 3648 x 2736 2640 x 1760
Maximum native ISO 3200 3200
Min native ISO 80 50
RAW data
Autofocusing
Manual focus
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Lens
Lens mount fixed lens fixed lens
Lens focal range 28mm (1x) 41mm (1x)
Largest aperture f/1.9 -
Macro focus distance 1cm -
Focal length multiplier 4.8 1.7
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 2.5 inch
Display resolution 1,230k dots 230k dots
Selfie friendly
Liveview
Touch friendly
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 - 3.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 3.00 m 4.30 m
Flash options Auto, On, Off, Red-Eye, Slow Sync, Manual Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 320 x 240
Maximum video resolution 640x480 320x240
Video file format Motion JPEG Motion JPEG
Microphone port
Headphone port
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 190 grams (0.42 pounds) 280 grams (0.62 pounds)
Dimensions 109 x 59 x 33mm (4.3" x 2.3" x 1.3") 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
Battery life 390 photos -
Battery type Battery Pack -
Battery model DB65 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC, Internal SD/SDHC/MMC card
Card slots 1 1
Retail cost $599 $940