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Ricoh GR III vs Sigma DP1 Merrill

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sigma DP1 Merrill front
Portability
82
Imaging
56
Features
30
Overall
45

Ricoh GR III vs Sigma DP1 Merrill Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Display
  • 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 DP1 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • " Fixed Screen
  • ISO 100 - 6400
  • 640 x 480 video
  • ()mm (F2.8) lens
  • 330g - 122 x 67 x 64mm
  • Released February 2012
  • Successor is Sigma DP2 Merrill
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Ricoh GR III vs Sigma DP1 Merrill Overview

Lets take a closer look at the Ricoh GR III and Sigma DP1 Merrill, both Large Sensor Compact digital cameras by rivals Ricoh and Sigma. There is a sizeable difference between the resolutions of the GR III (24MP) and DP1 Merrill (15MP) but they possess the exact same sensor sizes (APS-C).

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The GR III was announced 6 years later than the DP1 Merrill and that is quite a large gap as far as tech is concerned. Both of the cameras come with the identical body type (Large Sensor Compact).

Before diving through a detailed comparison, below is a quick overview of how the GR III matches up versus the DP1 Merrill with regards to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Ricoh GR III over the Sigma DP1 Merrill

 GR III DP1 Merrill 
ReleasedSeptember 2018February 2012Fresher by 81 months
Screen dimension3""Bigger screen (+3")
Screen resolution1037k920kClearer screen (+117k dot)
Touch screen Quickly navigate

Reasons to pick Sigma DP1 Merrill over the Ricoh GR III

 DP1 Merrill GR III 

Common features in the Ricoh GR III and Sigma DP1 Merrill

 GR III DP1 Merrill 
Manually focus Very precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen

Ricoh GR III vs Sigma DP1 Merrill Physical Comparison

If you are planning to carry your camera frequently, you're going to have to factor in its weight and volume. The Ricoh GR III provides external measurements of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") with a weight of 257 grams (0.57 lbs) and the Sigma DP1 Merrill has sizing of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") having a weight of 330 grams (0.73 lbs).

Check the Ricoh GR III and Sigma DP1 Merrill in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you choose at that time. Underneath is the front view measurements comparison of the GR III vs the DP1 Merrill.

Ricoh GR III vs Sigma DP1 Merrill size comparison

Taking into account size and weight, the portability grade of the GR III and DP1 Merrill is 90 and 82 respectively.

Ricoh GR III vs Sigma DP1 Merrill top view buttons comparison

Ricoh GR III vs Sigma DP1 Merrill Sensor Comparison

Oftentimes, it's difficult to visualize the contrast between sensor sizing merely by looking at technical specs. The photograph below will help give you a better sense of the sensor sizing in the GR III and DP1 Merrill.

As you have seen, both of those cameras posses the exact same sensor measurements albeit different megapixels. You should expect the Ricoh GR III to resolve more detail with its extra 9 Megapixels. Higher resolution can also enable you to crop photographs somewhat more aggressively. The newer GR III provides an edge with regard to sensor tech.

Ricoh GR III vs Sigma DP1 Merrill sensor size comparison

Ricoh GR III vs Sigma DP1 Merrill Screen and ViewFinder

Ricoh GR III vs Sigma DP1 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III as a Portrait photography camera
Sigma DP1 Merrill as a Portrait photography camera
81
manual focus
resolution is good (24 megapixels)
sensor size is nice (APS-C)
provides face detect autofocus
exports RAW formats
73
manual focus
resolution is good (15 megapixels)
decent sensor size (APS-C)
saves RAW files
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Street Comparison

Ricoh GR III Street photography details
Sigma DP1 Merrill Street photography details
84
image stabilization (Sensor-shift)
sensor size is nice (APS-C)
exports RAW formats
comes with focus by touch
lighter than competition (257g)
great ISO range (102,400)
fixed screen
64
decent sensor size (APS-C)
saves RAW files
no moving screen
no image stabilization
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Sports Comparison

Ricoh GR III Sports photography info
Sigma DP1 Merrill Sports photography info
76
image stabilization (Sensor-shift)
resolution is good (24MP)
sensor size is nice (APS-C)
provides tracking focus
comes with phase detect autofocus
focal length is fixed (28mm)
48
resolution is good (15 megapixels)
decent sensor size (APS-C)
focal length is fixed (()mm)
no image stabilization
does not have phase detect AF
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Travel Comparison

Ricoh GR III Travel photography advice
Sigma DP1 Merrill Travel photography advice
69
lighter than competition (257 grams)
comes with focus by touch
resolution is good (24MP)
no Time Lapse function
display is not selfie friendly
sluggish maximum aperture (f2.8)
54
resolution is good (15MP)
missing Time Lapse function
doesn't have selfie friendly display
sluggish maximum aperture (f2.8)
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Landscape Comparison

Landscape photography with Ricoh GR III
Landscape photography with Sigma DP1 Merrill
69
manual focus
screen size is good (3 inch)
image stabilization (Sensor-shift)
resolution is good (24 megapixels)
sensor size is nice (APS-C)
does not have anti aliasing filter
great ISO range (102,400)
exports RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
sluggish maximum aperture (f2.8)
no Time Lapse function
50
manual focus
resolution is good (15 megapixels)
decent sensor size (APS-C)
saves RAW files
lens is fixed (fixed lens mount)
focal length is fixed (()mm)
sluggish maximum aperture (f2.8)
screen is small (")
no image stabilization
missing Time Lapse function
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Vlogging Comparison

Ricoh GR III as a Vlogging camera
Sigma DP1 Merrill as a Vlogging camera
37
touchscreen
image stabilization (Sensor-shift)
provides face detect autofocus
high res video (1920 x 1080 pxls)
lighter than competition (257 grams)
sluggish maximum aperture (f2.8)
display is not selfie friendly
no mic support
22
sluggish maximum aperture (f2.8)
doesn't have selfie friendly display
no image stabilization
video resolution low (640 x 480 pxls)
missing mic jack
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Ricoh GR III vs Sigma DP1 Merrill Specifications

Detailed spec comparison table for Ricoh GR III and Sigma DP1 Merrill
 Ricoh GR IIISigma DP1 Merrill
General Information
Company Ricoh Sigma
Model Ricoh GR III Sigma DP1 Merrill
Class Large Sensor Compact Large Sensor Compact
Introduced 2018-09-25 2012-02-08
Body design Large Sensor Compact Large Sensor Compact
Sensor Information
Processor - Dual TRUE II engine
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 24 x 16mm
Sensor area 366.6mm² 384.0mm²
Sensor resolution 24 megapixel 15 megapixel
Anti aliasing filter
Aspect ratio 1:1 and 3:2 -
Full resolution 6000 x 4000 4704 x 3136
Max native ISO 102400 6400
Min native ISO 100 100
RAW files
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28mm (1x) ()
Max aperture f/2.8-16 f/2.8
Macro focus distance 6cm -
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches -
Display resolution 1,037 thousand dot 920 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (optional) None
Features
Slowest shutter speed 30s -
Maximum shutter speed 1/4000s -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash options Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye no built-in flash
External flash
AE 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 640 x 480
Max video resolution 1920x1080 640x480
Video format MPEG-4, H.264 Motion JPEG
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 257g (0.57 lbs) 330g (0.73 lbs)
Dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 122 x 67 x 64mm (4.8" x 2.6" x 2.5")
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
Self timer Yes -
Time lapse feature
Type of storage Internal, SD/SDHC/SDXC (UHS-I supported) -
Storage slots One One
Retail pricing $900 $1,250