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Ricoh GXR Mount A12 vs Sigma DP2

Portability
84
Imaging
53
Features
39
Overall
47
Ricoh GXR Mount A12 front
 
Sigma DP2 front
Portability
86
Imaging
44
Features
28
Overall
37

Ricoh GXR Mount A12 vs Sigma DP2 Key Specs

Ricoh GXR Mount A12
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200
  • 1/9000s Maximum Shutter
  • 1280 x 720 video
  • ()mm (F) lens
  • 370g - 120 x 70 x 45mm
  • Launched August 2011
Sigma DP2
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Launched September 2009
  • Updated by Sigma DP2s
Photography Glossary

Ricoh GXR Mount A12 vs Sigma DP2 Overview

In this write-up, we are reviewing the Ricoh GXR Mount A12 and Sigma DP2, former is a Entry-Level Mirrorless while the other is a Large Sensor Compact by rivals Ricoh and Sigma. There is a substantial difference between the resolutions of the GXR Mount A12 (12MP) and DP2 (5MP) but they enjoy the same exact sensor size (APS-C).

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The GXR Mount A12 was revealed 23 months after the DP2 making the cameras a generation away from each other. Each of the cameras offer different body type with the Ricoh GXR Mount A12 being a Rangefinder-style mirrorless camera and the Sigma DP2 being a Large Sensor Compact camera.

Before we go in to a more detailed comparison, below is a quick summary of how the GXR Mount A12 scores vs the DP2 in relation to portability, imaging, features and an overall score.

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Reasons to pick Ricoh GXR Mount A12 over the Sigma DP2

 GXR Mount A12 DP2 
LaunchedAugust 2011September 2009More modern by 23 months
Display sizing3"2.5"Larger display (+0.5")
Display resolution920k230kSharper display (+690k dot)

Reasons to pick Sigma DP2 over the Ricoh GXR Mount A12

 DP2 GXR Mount A12 

Common features in the Ricoh GXR Mount A12 and Sigma DP2

 GXR Mount A12 DP2 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen
Touch friendly display Neither contains Touch friendly display

Ricoh GXR Mount A12 vs Sigma DP2 Physical Comparison

For those who are planning to carry around your camera, you're going to have to factor in its weight and dimensions. The Ricoh GXR Mount A12 has got outer dimensions of 120mm x 70mm x 45mm (4.7" x 2.8" x 1.8") with a weight of 370 grams (0.82 lbs) while the Sigma DP2 has dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs).

Take a look at the Ricoh GXR Mount A12 and Sigma DP2 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary depending on the lens you use at that time. Underneath is the front view size comparison of the GXR Mount A12 against the DP2.

Ricoh GXR Mount A12 vs Sigma DP2 size comparison

Taking into consideration size and weight, the portability rating of the GXR Mount A12 and DP2 is 84 and 86 respectively.

Ricoh GXR Mount A12 vs Sigma DP2 top view buttons comparison

Ricoh GXR Mount A12 vs Sigma DP2 Sensor Comparison

Usually, it's tough to envision the contrast between sensor sizes simply by reading through specs. The pic underneath will offer you a better sense of the sensor sizes in the GXR Mount A12 and DP2.

All in all, the two cameras enjoy the same exact sensor sizing but not the same MP. You can anticipate the Ricoh GXR Mount A12 to give you more detail because of its extra 7MP. Greater resolution will enable you to crop images far more aggressively. The more modern GXR Mount A12 is going to have a benefit in sensor innovation.

Ricoh GXR Mount A12 vs Sigma DP2 sensor size comparison

Ricoh GXR Mount A12 vs Sigma DP2 Screen and ViewFinder

Ricoh GXR Mount A12 vs Sigma DP2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR Mount A12 Portrait photography factors
Sigma DP2 Portrait photography factors
55
you can focus manually
good sensor size (APS-C)
delivers RAW formats
no liveview
MP count low (12MP)
56
focusing manually
good sensor size (APS-C)
exports RAW formats
MP count low (5 megapixels)
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Street Comparison

Ricoh GXR Mount A12 Street photography features
Sigma DP2 Street photography features
65
good sensor size (APS-C)
delivers RAW formats
fixed screen
no image stabilization
67
good sensor size (APS-C)
exports RAW formats
lighter than competitors (280 grams)
screen does not articulate
no image stabilization
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Sports Comparison

Sports photography with Ricoh GXR Mount A12
Sports photography with Sigma DP2
39
max shutter speed is good (1/9,000s)
good sensor size (APS-C)
focal length is fixed (()mm)
no liveview
max frames per second low (3.0 frames per second)
no image stabilization
MP count low (12 megapixels)
doesn't have phase detect AF
30
good sensor size (APS-C)
fixed focal length (41mm)
max fps very slow (3.0 fps)
no image stabilization
MP count low (5MP)
does not have phase detect AF
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Travel Comparison

Ricoh GXR Mount A12 Travel photography factors
Sigma DP2 Travel photography factors
60
has built in flash
very good max aperture (f)
missing Time Lapse recording
MP count low (12 megapixels)
screen is not selfie friendly
67
lighter than competitors (280 grams)
flash built-in
very good maximum aperture (f)
MP count low (5MP)
doesn't contain selfie friendly display
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Landscape Comparison

Ricoh GXR Mount A12 Landscape photography advice
Sigma DP2 Landscape photography advice
52
you can focus manually
very good max aperture (f)
screen size is good (3 inches)
good sensor size (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
focal length is fixed (()mm)
no liveview
no image stabilization
MP count low (12 megapixels)
missing Time Lapse recording
48
focusing manually
very good maximum aperture (f)
good sensor size (APS-C)
exports RAW formats
lens is fixed (fixed lens mount)
fixed focal length (41mm)
screen is small (2.5")
no image stabilization
MP count low (5 megapixels)
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Vlogging Comparison

Ricoh GXR Mount A12 Vlogging details
Sigma DP2 Vlogging details
26
very good max aperture (f)
screen is not selfie friendly
no image stabilization
low video resolution (1280 x 720 pxls)
missing mic port
28
very good maximum aperture (f)
lighter than competitors (280g)
doesn't contain selfie friendly display
no image stabilization
low video resolution (320 x 240 resolution)
doesn't have external microphone port
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Ricoh GXR Mount A12 vs Sigma DP2 Specifications

Detailed spec comparison table for Ricoh GXR Mount A12 and Sigma DP2
 Ricoh GXR Mount A12Sigma DP2
General Information
Brand Ricoh Sigma
Model type Ricoh GXR Mount A12 Sigma DP2
Category Entry-Level Mirrorless Large Sensor Compact
Launched 2011-08-05 2009-09-21
Body design Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.6 x 15.7mm 20.7 x 13.8mm
Sensor area 370.5mm² 285.7mm²
Sensor resolution 12 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Full resolution 4288 x 2848 2640 x 1760
Max native ISO 3200 3200
Lowest native ISO 200 200
RAW support
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Lens
Lens mount type fixed lens fixed lens
Lens zoom range () 41mm (1x)
Focal length multiplier 1.5 1.7
Screen
Range of display Fixed Type Fixed Type
Display sizing 3" 2.5"
Resolution of display 920 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Lowest shutter speed 1s 15s
Highest shutter speed 1/9000s 1/2000s
Continuous shooting speed 3.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 9.60 m 4.30 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
AEB
WB 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) 320 x 240 (30 fps)
Max video resolution 1280x720 320x240
Video format Motion JPEG Motion JPEG
Microphone 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 370 grams (0.82 lb) 280 grams (0.62 lb)
Dimensions 120 x 70 x 45mm (4.7" x 2.8" x 1.8") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
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
Battery life 330 photos -
Battery form Battery Pack -
Battery ID DB-90 -
Self timer Yes (5 sec, custom) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC, Internal SD/SDHC/MMC card
Storage slots Single Single
Retail cost $349 $649