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Ricoh GXR Mount A12 vs Sigma DP1 Merrill

Portability
84
Imaging
53
Features
39
Overall
47
Ricoh GXR Mount A12 front
 
Sigma DP1 Merrill front
Portability
82
Imaging
56
Features
30
Overall
45

Ricoh GXR Mount A12 vs Sigma DP1 Merrill Key Specs

Ricoh GXR Mount A12
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200
  • 1/9000s Max Shutter
  • 1280 x 720 video
  • ()mm (F) lens
  • 370g - 120 x 70 x 45mm
  • Revealed August 2011
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
Photography Glossary

Ricoh GXR Mount A12 vs Sigma DP1 Merrill Overview

Below is a detailed assessment of the Ricoh GXR Mount A12 versus Sigma DP1 Merrill, former being a Entry-Level Mirrorless while the latter is a Large Sensor Compact by competitors Ricoh and Sigma. The sensor resolution of the GXR Mount A12 (12MP) and the DP1 Merrill (15MP) is pretty close and they feature the exact same sensor dimensions (APS-C).

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The GXR Mount A12 was revealed 6 months before the DP1 Merrill which means that they are both of a similar age. The two cameras come with different body type with the Ricoh GXR Mount A12 being a Rangefinder-style mirrorless camera and the Sigma DP1 Merrill being a Large Sensor Compact camera.

Before getting through a full comparison, below is a brief highlight of how the GXR Mount A12 grades versus the DP1 Merrill when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GXR Mount A12 over the Sigma DP1 Merrill

 GXR Mount A12 DP1 Merrill 
Screen dimension3""Bigger screen (+3")

Reasons to pick Sigma DP1 Merrill over the Ricoh GXR Mount A12

 DP1 Merrill GXR Mount A12 

Common features in the Ricoh GXR Mount A12 and Sigma DP1 Merrill

 GXR Mount A12 DP1 Merrill 
ReleasedAugust 2011February 2012Same age
Focus manually More accurate focus
Screen typeFixed Fixed Fixed screen
Screen resolution920k920kThe same screen resolution
Selfie screen Neither contains selfie screen
Touch friendly screen Neither contains Touch friendly screen

Ricoh GXR Mount A12 vs Sigma DP1 Merrill Physical Comparison

In case you're looking to lug around your camera often, you will want to factor its weight and proportions. The Ricoh GXR Mount A12 has got outside measurements of 120mm x 70mm x 45mm (4.7" x 2.8" x 1.8") having a weight of 370 grams (0.82 lbs) and the Sigma DP1 Merrill has measurements of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") along with a weight of 330 grams (0.73 lbs).

Check the Ricoh GXR Mount A12 versus Sigma DP1 Merrill in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change depending on the lens you have chosen at the time. Below is the front view overall size comparison of the GXR Mount A12 vs the DP1 Merrill.

Ricoh GXR Mount A12 vs Sigma DP1 Merrill size comparison

Considering dimensions and weight, the portability rating of the GXR Mount A12 and DP1 Merrill is 84 and 82 respectively.

Ricoh GXR Mount A12 vs Sigma DP1 Merrill top view buttons comparison

Ricoh GXR Mount A12 vs Sigma DP1 Merrill Sensor Comparison

Typically, it's tough to picture the difference in sensor measurements merely by viewing specs. The visual here will help provide you a more clear sense of the sensor sizing in the GXR Mount A12 and DP1 Merrill.

All in all, both of these cameras posses the exact same sensor measurements albeit different MP. You can expect the Sigma DP1 Merrill to render extra detail because of its extra 3MP. Higher resolution will also enable you to crop pictures somewhat more aggressively.

Ricoh GXR Mount A12 vs Sigma DP1 Merrill sensor size comparison

Ricoh GXR Mount A12 vs Sigma DP1 Merrill Screen and ViewFinder

Ricoh GXR Mount A12 vs Sigma DP1 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR Mount A12 as a Portrait photography camera
Sigma DP1 Merrill as a Portrait photography camera
55
focusing manually
good sensor size (APS-C)
exports RAW files
no liveview feature
low MP (12 megapixels)
73
has manual focus
MP count decent (15 megapixels)
sensor size is decent (APS-C)
supports RAW formats
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Street Comparison

Ricoh GXR Mount A12 Street photography advice
Sigma DP1 Merrill Street photography advice
65
good sensor size (APS-C)
exports RAW files
no moving screen
does not have image stabilization
64
sensor size is decent (APS-C)
supports RAW formats
screen does not articulate
does not have image stabilization
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Sports Comparison

Ricoh GXR Mount A12 as a Sports photography camera
Sigma DP1 Merrill as a Sports photography camera
39
high shutter speed (1/9,000 seconds)
good sensor size (APS-C)
can't change focal length (()mm)
no liveview feature
painfully slow continuous shooting (3.0 frames per second)
does not have image stabilization
low MP (12 megapixels)
no phase detect autofocus
48
MP count decent (15MP)
sensor size is decent (APS-C)
can't change focal length (()mm)
does not have image stabilization
no phase detect auto focus
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Travel Comparison

Ricoh GXR Mount A12 Travel photography info
Sigma DP1 Merrill Travel photography info
60
built-in flash
fast maximum aperture (f)
missing Timelapse recording
low MP (12 megapixels)
screen isn't selfie friendly
54
MP count decent (15 megapixels)
no Time Lapse recording
does not have a selfie friendly screen
somewhat slow max aperture (f2.8)
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Landscape Comparison

Ricoh GXR Mount A12 Landscape photography factors
Sigma DP1 Merrill Landscape photography factors
52
focusing manually
fast maximum aperture (f)
pretty good screen size (3")
good sensor size (APS-C)
exports RAW files
fixed lens (fixed lens mount)
can't change focal length (()mm)
no liveview feature
does not have image stabilization
low MP (12 megapixels)
missing Timelapse recording
50
has manual focus
MP count decent (15MP)
sensor size is decent (APS-C)
supports RAW formats
can't swap lenses (fixed lens mount)
can't change focal length (()mm)
somewhat slow max aperture (f2.8)
small screen (")
does not have image stabilization
no Time Lapse recording
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Vlogging Comparison

Ricoh GXR Mount A12 as a Vlogging camera
Sigma DP1 Merrill as a Vlogging camera
26
fast maximum aperture (f)
screen isn't selfie friendly
does not have image stabilization
video resolution low (1280 x 720 resolution)
missing microphone socket
22
somewhat slow max aperture (f2.8)
does not have a selfie friendly screen
does not have image stabilization
video res low (640 x 480 resolution)
no external mic support
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Ricoh GXR Mount A12 vs Sigma DP1 Merrill Specifications

Detailed spec comparison table for Ricoh GXR Mount A12 and Sigma DP1 Merrill
 Ricoh GXR Mount A12Sigma DP1 Merrill
General Information
Brand Ricoh Sigma
Model type Ricoh GXR Mount A12 Sigma DP1 Merrill
Category Entry-Level Mirrorless Large Sensor Compact
Revealed 2011-08-05 2012-02-08
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Chip - Dual TRUE II engine
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor dimensions 23.6 x 15.7mm 24 x 16mm
Sensor surface area 370.5mm² 384.0mm²
Sensor resolution 12 megapixels 15 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Peak resolution 4288 x 2848 4704 x 3136
Highest native ISO 3200 6400
Min native ISO 200 100
RAW data
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens mount type fixed lens fixed lens
Lens zoom range () ()
Highest aperture - f/2.8
Crop factor 1.5 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 3 inches -
Screen resolution 920k dots 920k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Min shutter speed 1s -
Max shutter speed 1/9000s -
Continuous shutter rate 3.0 frames/s -
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance 9.60 m no built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual no built-in flash
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) 640 x 480
Highest video resolution 1280x720 640x480
Video data format Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 370g (0.82 lbs) 330g (0.73 lbs)
Dimensions 120 x 70 x 45mm (4.7" x 2.8" x 1.8") 122 x 67 x 64mm (4.8" x 2.6" x 2.5")
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
Battery life 330 pictures -
Form of battery Battery Pack -
Battery ID DB-90 -
Self timer Yes (5 sec, custom) -
Time lapse feature
Storage type SD/SDHC, Internal -
Card slots One One
Pricing at release $349 $1,250