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Ricoh GR III vs Sigma SD1 Merrill

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sigma SD1 Merrill front
Portability
57
Imaging
56
Features
45
Overall
51

Ricoh GR III vs Sigma SD1 Merrill 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
  • Revealed September 2018
  • Earlier Model is Ricoh GR III
  • Refreshed by Ricoh GR III
Sigma SD1 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • No Video
  • Sigma SA Mount
  • 790g - 146 x 113 x 80mm
  • Launched April 2012
  • Previous Model is Sigma SD1
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Ricoh GR III vs Sigma SD1 Merrill Overview

Lets look closer at the Ricoh GR III vs Sigma SD1 Merrill, one is a Large Sensor Compact and the latter is a Advanced DSLR by competitors Ricoh and Sigma. There exists a significant gap between the resolutions of the GR III (24MP) and SD1 Merrill (15MP) but both cameras posses the same sensor sizes (APS-C).

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The GR III was brought out 6 years after the SD1 Merrill which is quite a sizable gap as far as technology is concerned. Both cameras have different body design with the Ricoh GR III being a Large Sensor Compact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before getting right into a step-by-step comparison, here is a brief introduction of how the GR III scores against the SD1 Merrill with regards to portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR III over the Sigma SD1 Merrill

 GR III SD1 Merrill 
LaunchedSeptember 2018April 2012Newer by 79 months
Screen resolution1037k460kCrisper screen (+577k dot)
Touch screen Quickly navigate

Reasons to pick Sigma SD1 Merrill over the Ricoh GR III

 SD1 Merrill GR III 

Common features in the Ricoh GR III and Sigma SD1 Merrill

 GR III SD1 Merrill 
Manually focus Very exact focusing
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen dimensions
Selfie screen Lacking selfie screen

Ricoh GR III vs Sigma SD1 Merrill Physical Comparison

If you are aiming to travel with your camera frequently, you're going to have to factor its weight and dimensions. The Ricoh GR III has got outer dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") having a weight of 257 grams (0.57 lbs) whilst the Sigma SD1 Merrill has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of 790 grams (1.74 lbs).

Check out the Ricoh GR III vs Sigma SD1 Merrill in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you have during that time. The following is a front view physical size comparison of the GR III and the SD1 Merrill.

Ricoh GR III vs Sigma SD1 Merrill size comparison

Considering dimensions and weight, the portability score of the GR III and SD1 Merrill is 90 and 57 respectively.

Ricoh GR III vs Sigma SD1 Merrill top view buttons comparison

Ricoh GR III vs Sigma SD1 Merrill Sensor Comparison

Normally, its tough to imagine the contrast between sensor dimensions just by reviewing specifications. The picture underneath might give you a more clear sense of the sensor sizes in the GR III and SD1 Merrill.

To sum up, both of these cameras have the same sensor dimensions albeit different MP. You should count on the Ricoh GR III to offer more detail having its extra 9MP. Higher resolution can also help you crop photographs a bit more aggressively. The more modern GR III provides an advantage with regard to sensor technology.

Ricoh GR III vs Sigma SD1 Merrill sensor size comparison

Ricoh GR III vs Sigma SD1 Merrill Screen and ViewFinder

Ricoh GR III vs Sigma SD1 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III Portrait photography details
Sigma SD1 Merrill Portrait photography details
81
focusing manually
decent megapixels (24MP)
good sensor size (APS-C)
provides face detect focusing
saves RAW files
65
you can focus manually
MP count decent (15MP)
good sensor size (APS-C)
saves RAW formats
doesn't have liveview
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Street Comparison

Ricoh GR III Street photography features
Sigma SD1 Merrill Street photography features
84
image stabilization (Sensor-shift)
good sensor size (APS-C)
saves RAW files
comes with focus by touch
lighter than competitors (257 grams)
above average ISO range (102,400)
fixed screen
57
good sensor size (APS-C)
saves RAW formats
environment proofing
screen is fixed
does not have image stabilization
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Sports Comparison

Ricoh GR III Sports photography features
Sigma SD1 Merrill Sports photography features
76
image stabilization (Sensor-shift)
decent megapixels (24 megapixels)
good sensor size (APS-C)
provides tracking focus
comes with phase detect AF
fixed focal length (28mm)
61
MP count decent (15 megapixels)
good sensor size (APS-C)
environment proofing
has phase detect autofocus
doesn't have liveview
does not have image stabilization
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Travel Comparison

Ricoh GR III as a Travel photography camera
Sigma SD1 Merrill as a Travel photography camera
69
lighter than competitors (257g)
comes with focus by touch
decent megapixels (24MP)
doesn't have Time Lapse function
screen isn't selfie friendly
sluggish maximum aperture (f2.8)
54
environment proofing
MP count decent (15 megapixels)
missing Timelapse recording
screen is not selfie friendly
Photography Glossary

Landscape Comparison

Ricoh GR III Landscape photography advice
Sigma SD1 Merrill Landscape photography advice
69
focusing manually
screen size is good (3 inches)
image stabilization (Sensor-shift)
decent megapixels (24 megapixels)
good sensor size (APS-C)
no low pass filter
above average ISO range (102,400)
saves RAW files
lens is fixed (fixed lens mount)
fixed focal length (28mm)
sluggish maximum aperture (f2.8)
doesn't have Time Lapse function
63
you can focus manually
change lenses (Sigma SA mount)
pretty good screen size (3")
MP count decent (15MP)
good sensor size (APS-C)
saves RAW formats
environment proofing
doesn't have liveview
does not have image stabilization
missing Timelapse recording
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Vlogging Comparison

Ricoh GR III Vlogging advice
Sigma SD1 Merrill Vlogging advice
37
touchscreen functionality
image stabilization (Sensor-shift)
provides face detect focusing
great video quality (1920 x 1080 pixels)
lighter than competitors (257 grams)
sluggish maximum aperture (f2.8)
screen isn't selfie friendly
doesn't have mic socket
9
no video recording
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Ricoh GR III vs Sigma SD1 Merrill Specifications

Detailed spec comparison table for Ricoh GR III and Sigma SD1 Merrill
 Ricoh GR IIISigma SD1 Merrill
General Information
Brand Ricoh Sigma
Model type Ricoh GR III Sigma SD1 Merrill
Category Large Sensor Compact Advanced DSLR
Revealed 2018-09-25 2012-04-10
Body design Large Sensor Compact Mid-size SLR
Sensor Information
Chip - Dual True II
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 24 x 16mm
Sensor area 366.6mm² 384.0mm²
Sensor resolution 24 megapixels 15 megapixels
Anti alias filter
Aspect ratio 1:1 and 3:2 -
Full resolution 6000 x 4000 4800 x 3200
Max native ISO 102400 6400
Minimum native ISO 100 100
RAW format
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens mount type fixed lens Sigma SA
Lens zoom range 28mm (1x) -
Max aperture f/2.8-16 -
Macro focusing range 6cm -
Amount of lenses - 76
Focal length multiplier 1.5 1.5
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 1,037k dot 460k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (optional) Optical (pentaprism)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.64x
Features
Slowest shutter speed 30s -
Maximum shutter speed 1/4000s -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash settings Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye no built-in flash
External flash
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM -
Max video resolution 1920x1080 None
Video format MPEG-4, H.264 -
Microphone jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 257 grams (0.57 pounds) 790 grams (1.74 pounds)
Physical dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 146 x 113 x 80mm (5.7" x 4.4" x 3.1")
DXO scores
DXO All around 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
Time lapse recording
Type of storage Internal, SD/SDHC/SDXC (UHS-I supported) Compact Flash (Type I, UDMA compatible)
Storage slots One One
Launch cost $900 $2,339