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Ricoh GR Digital IV vs Sigma DP2 Merrill

Portability
92
Imaging
35
Features
47
Overall
39
Ricoh GR Digital IV front
 
Sigma DP2 Merrill front
Portability
83
Imaging
56
Features
33
Overall
46

Ricoh GR Digital IV vs Sigma DP2 Merrill 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
  • Released September 2011
  • Superseded the Ricoh GR Digital III
Sigma DP2 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • 640 x 480 video
  • 50mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Launched February 2012
  • Earlier Model is Sigma DP1 Merrill
  • Later Model is Sigma DP3 Merrill
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Ricoh GR Digital IV vs Sigma DP2 Merrill Overview

In this article, we are comparing the Ricoh GR Digital IV versus Sigma DP2 Merrill, one being a Small Sensor Compact and the other is a Large Sensor Compact by companies Ricoh and Sigma. There is a huge difference among the sensor resolutions of the GR Digital IV (10MP) and DP2 Merrill (15MP) and the GR Digital IV (1/1.7") and DP2 Merrill (APS-C) possess different sensor size.

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The GR Digital IV was announced 4 months before the DP2 Merrill and they are both of a similar generation. The two cameras offer different body type with the Ricoh GR Digital IV being a Compact camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before we go through a complete comparison, below is a brief introduction of how the GR Digital IV scores against the DP2 Merrill in relation to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GR Digital IV over the Sigma DP2 Merrill

 GR Digital IV DP2 Merrill 
Display resolution1230k920kCrisper display (+310k dot)

Reasons to pick Sigma DP2 Merrill over the Ricoh GR Digital IV

 DP2 Merrill GR Digital IV 

Common features in the Ricoh GR Digital IV and Sigma DP2 Merrill

 GR Digital IV DP2 Merrill 
LaunchedSeptember 2011February 2012Same generation
Manually focus More exact focus
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display size
Selfie screen Neither features selfie screen
Touch display Neither features Touch display

Ricoh GR Digital IV vs Sigma DP2 Merrill Physical Comparison

In case you're intending to lug around your camera regularly, you're going to have to take into account its weight and dimensions. The Ricoh GR Digital IV enjoys physical dimensions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") along with a weight of 190 grams (0.42 lbs) while the Sigma DP2 Merrill has dimensions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") with a weight of 330 grams (0.73 lbs).

Take a look at the Ricoh GR Digital IV versus Sigma DP2 Merrill in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you are employing during that time. Underneath is the front view measurements comparison of the GR Digital IV against the DP2 Merrill.

Ricoh GR Digital IV vs Sigma DP2 Merrill size comparison

Considering size and weight, the portability grade of the GR Digital IV and DP2 Merrill is 92 and 83 respectively.

Ricoh GR Digital IV vs Sigma DP2 Merrill top view buttons comparison

Ricoh GR Digital IV vs Sigma DP2 Merrill Sensor Comparison

In many cases, it is very tough to visualize the gap in sensor measurements purely by seeing specifications. The photograph underneath might provide you a better sense of the sensor dimensions in the GR Digital IV and DP2 Merrill.

Plainly, the two cameras offer different resolutions and different sensor measurements. The GR Digital IV with its smaller sensor is going to make getting shallow depth of field more challenging and the Sigma DP2 Merrill will produce greater detail with its extra 5 Megapixels. Greater resolution can also enable you to crop pics a little more aggressively.

Ricoh GR Digital IV vs Sigma DP2 Merrill sensor size comparison

Ricoh GR Digital IV vs Sigma DP2 Merrill Screen and ViewFinder

Ricoh GR Digital IV vs Sigma DP2 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR Digital IV as a Portrait photography camera
Sigma DP2 Merrill as a Portrait photography camera
41
manual focus
supports RAW files
low MP (10MP)
tiny sensor (1/1.7")
73
manual focus
megapixel count good (15MP)
sensor size is nice (APS-C)
saves RAW files
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Street Comparison

Ricoh GR Digital IV Street photography info
Sigma DP2 Merrill Street photography info
65
image stabilization (Sensor-shift)
supports RAW files
screen does not articulate
tiny sensor (1/1.7")
65
sensor size is nice (APS-C)
saves RAW files
screen is fixed
does not have image stabilization
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Sports Comparison

Ricoh GR Digital IV as a Sports photography camera
Sigma DP2 Merrill as a Sports photography camera
34
image stabilization (Sensor-shift)
great battery pack (390 per charge)
fixed focal length (28mm)
low MP (10MP)
tiny sensor (1/1.7")
doesn't have phase detect autofocus
44
megapixel count good (15MP)
sensor size is nice (APS-C)
fixed focal length (50mm)
painfully slow continuous shooting (4.0 frames/s)
does not have image stabilization
doesn't have phase detect AF
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Travel Comparison

Ricoh GR Digital IV Travel photography factors
Sigma DP2 Merrill Travel photography factors
67
great battery pack (390 per charge)
built-in flash
great max aperture (f1.9)
low MP (10 megapixels)
does not have a selfie friendly screen
54
megapixel count good (15 megapixels)
missing Time Lapse recording
doesn't feature selfie friendly display
sluggish max aperture (f2.8)
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Landscape Comparison

Landscape photography with Ricoh GR Digital IV
Landscape photography with Sigma DP2 Merrill
53
manual focus
great max aperture (f1.9)
screen size is decent (3")
image stabilization (Sensor-shift)
supports RAW files
great battery pack (390 per charge)
cannot change lenses (fixed lens mount)
fixed focal length (28mm)
low MP (10 megapixels)
tiny sensor (1/1.7")
55
manual focus
good sized screen (3 inches)
megapixel count good (15MP)
sensor size is nice (APS-C)
saves RAW files
lens is fixed (fixed lens mount)
fixed focal length (50mm)
sluggish max aperture (f2.8)
does not have image stabilization
missing Time Lapse recording
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Vlogging Comparison

Ricoh GR Digital IV Vlogging advice
Sigma DP2 Merrill Vlogging advice
29
great max aperture (f1.9)
image stabilization (Sensor-shift)
does not have a selfie friendly screen
video res low (640 x 480 resolution)
no external microphone support
22
sluggish max aperture (f2.8)
doesn't feature selfie friendly display
does not have image stabilization
video resolution low (640 x 480 pxls)
missing mic port
Photography Glossary

Ricoh GR Digital IV vs Sigma DP2 Merrill Specifications

Detailed spec comparison table for Ricoh GR Digital IV and Sigma DP2 Merrill
 Ricoh GR Digital IVSigma DP2 Merrill
General Information
Brand Ricoh Sigma
Model Ricoh GR Digital IV Sigma DP2 Merrill
Category Small Sensor Compact Large Sensor Compact
Released 2011-09-15 2012-02-08
Body design Compact Large Sensor Compact
Sensor Information
Processor - Dual TRUE II engine
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/1.7" APS-C
Sensor dimensions 7.44 x 5.58mm 24 x 16mm
Sensor surface area 41.5mm² 384.0mm²
Sensor resolution 10 megapixels 15 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 -
Maximum resolution 3648 x 2736 4704 x 3136
Maximum native ISO 3200 6400
Minimum native ISO 80 100
RAW pictures
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28mm (1x) 50mm (1x)
Maximal aperture f/1.9 f/2.8
Macro focus distance 1cm -
Focal length multiplier 4.8 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inch 3 inch
Display resolution 1,230k dot 920k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (optional) None
Features
Slowest shutter speed 1 secs -
Maximum shutter speed 1/2000 secs -
Continuous shooting speed - 4.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 3.00 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual no built-in flash
External flash
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) 640x480
Maximum video resolution 640x480 640x480
Video format Motion JPEG Motion JPEG
Mic jack
Headphone jack
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 190 grams (0.42 lbs) 330 grams (0.73 lbs)
Dimensions 109 x 59 x 33mm (4.3" x 2.3" x 1.3") 122 x 67 x 59mm (4.8" x 2.6" x 2.3")
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 life 390 photos -
Battery form Battery Pack -
Battery model DB65 -
Self timer Yes (2 or 10 sec) -
Time lapse shooting
Type of storage SD/SDHC, Internal -
Storage slots One One
Retail cost $599 $931