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Ricoh GXR Mount A12 vs Sigma DP2s

Portability
84
Imaging
53
Features
39
Overall
47
Ricoh GXR Mount A12 front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Ricoh GXR Mount A12 vs Sigma DP2s Key Specs

Ricoh GXR Mount A12
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200
  • 1/9000s Maximum Shutter
  • 1280 x 720 video
  • ()mm (F) lens
  • 370g - 120 x 70 x 45mm
  • Released August 2011
Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Introduced February 2010
  • Previous Model is Sigma DP2
  • Successor is Sigma DP2x
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Ricoh GXR Mount A12 vs Sigma DP2s Overview

On this page, we are comparing the Ricoh GXR Mount A12 and Sigma DP2s, one is a Entry-Level Mirrorless and the other is a Large Sensor Compact by companies Ricoh and Sigma. There is a significant difference among the image resolutions of the GXR Mount A12 (12MP) and DP2s (5MP) but both cameras provide the same sensor dimensions (APS-C).

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The GXR Mount A12 was introduced 18 months after the DP2s making them a generation away from each other. Both of the cameras have different body design with the Ricoh GXR Mount A12 being a Rangefinder-style mirrorless camera and the Sigma DP2s being a Large Sensor Compact camera.

Before diving right into a comprehensive comparison, here is a concise view of how the GXR Mount A12 grades vs the DP2s in terms of portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GXR Mount A12 over the Sigma DP2s

 GXR Mount A12 DP2s 
IntroducedAugust 2011February 2010Newer by 18 months
Display dimensions3"2.5"Larger display (+0.5")
Display resolution920k230kClearer display (+690k dot)

Reasons to pick Sigma DP2s over the Ricoh GXR Mount A12

 DP2s GXR Mount A12 

Common features in the Ricoh GXR Mount A12 and Sigma DP2s

 GXR Mount A12 DP2s 
Manually focus Dial accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen
Touch display Absent Touch display

Ricoh GXR Mount A12 vs Sigma DP2s Physical Comparison

If you are planning to travel with your camera frequently, you'll have to factor its weight and size. The Ricoh GXR Mount A12 has got external dimensions of 120mm x 70mm x 45mm (4.7" x 2.8" x 1.8") and a weight of 370 grams (0.82 lbs) while the Sigma DP2s has specifications of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") and a weight of 280 grams (0.62 lbs).

Look at the Ricoh GXR Mount A12 and Sigma DP2s 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 choose during that time. Underneath is a front view over all size comparison of the GXR Mount A12 compared to the DP2s.

Ricoh GXR Mount A12 vs Sigma DP2s size comparison

Considering size and weight, the portability score of the GXR Mount A12 and DP2s is 84 and 86 respectively.

Ricoh GXR Mount A12 vs Sigma DP2s top view buttons comparison

Ricoh GXR Mount A12 vs Sigma DP2s Sensor Comparison

Usually, it's hard to imagine the difference in sensor dimensions purely by seeing specifications. The picture underneath might provide you a stronger sense of the sensor sizes in the GXR Mount A12 and DP2s.

To sum up, both of the cameras have the same sensor dimensions but different megapixels. You should anticipate the Ricoh GXR Mount A12 to show more detail using its extra 7 Megapixels. Greater resolution will also help you crop images a bit more aggressively. The newer GXR Mount A12 provides an edge when it comes to sensor tech.

Ricoh GXR Mount A12 vs Sigma DP2s sensor size comparison

Ricoh GXR Mount A12 vs Sigma DP2s Screen and ViewFinder

Ricoh GXR Mount A12 vs Sigma DP2s Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR Mount A12 Portrait photography factors
Sigma DP2s Portrait photography factors
55
you can focus manually
good sensor size (APS-C)
exports RAW files
doesn't have liveview
low resolution sensor (12MP)
56
has manual focus
sensor size is decent (APS-C)
exports RAW formats
low resolution sensor (5 megapixels)
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Street Comparison

Ricoh GXR Mount A12 Street photography features
Sigma DP2s Street photography features
65
good sensor size (APS-C)
exports RAW files
fixed screen
no image stabilization
67
sensor size is decent (APS-C)
exports RAW formats
lighter than competition in class (280 grams)
no articulating screen
no image stabilization
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Sports Comparison

Sports photography with Ricoh GXR Mount A12
Sports photography with Sigma DP2s
39
high shutter speed (1/9,000 seconds)
good sensor size (APS-C)
focal length is fixed (()mm)
doesn't have liveview
very slow continuous shooting (3.0 frames/s)
no image stabilization
low resolution sensor (12 megapixels)
no phase detect auto focus
30
sensor size is decent (APS-C)
can't change focal length (41mm)
max fps low (3.0 frames per second)
no image stabilization
low resolution sensor (5 megapixels)
has no phase detect AF
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Travel Comparison

Travel photography with Ricoh GXR Mount A12
Travel photography with Sigma DP2s
60
built-in flash
good maximum aperture (f)
missing Time Lapse function
low resolution sensor (12 megapixels)
doesn't contain selfie friendly screen
67
lighter than competition in class (280 grams)
flash built-in
fast maximum aperture (f)
low resolution sensor (5MP)
screen is not selfie friendly
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Landscape Comparison

Ricoh GXR Mount A12 Landscape photography highlights
Sigma DP2s Landscape photography highlights
52
you can focus manually
good maximum aperture (f)
nice screen size (3")
good sensor size (APS-C)
exports RAW files
lens is fixed (fixed lens mount)
focal length is fixed (()mm)
doesn't have liveview
no image stabilization
low resolution sensor (12 megapixels)
missing Time Lapse function
48
has manual focus
fast maximum aperture (f)
sensor size is decent (APS-C)
exports RAW formats
lens is fixed (fixed lens mount)
can't change focal length (41mm)
screen is small (2.5 inches)
no image stabilization
low resolution sensor (5 megapixels)
Photography Glossary

Vlogging Comparison

Ricoh GXR Mount A12 Vlogging information
Sigma DP2s Vlogging information
26
good maximum aperture (f)
doesn't contain selfie friendly screen
no image stabilization
low res video (1280 x 720 resolution)
missing external mic jack
28
fast maximum aperture (f)
lighter than competition in class (280g)
screen is not selfie friendly
no image stabilization
low res video (320 x 240 pxls)
does not have external mic socket
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Ricoh GXR Mount A12 vs Sigma DP2s Specifications

Detailed spec comparison table for Ricoh GXR Mount A12 and Sigma DP2s
 Ricoh GXR Mount A12Sigma DP2s
General Information
Company Ricoh Sigma
Model type Ricoh GXR Mount A12 Sigma DP2s
Type Entry-Level Mirrorless Large Sensor Compact
Released 2011-08-05 2010-02-20
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Powered by - True II
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor dimensions 23.6 x 15.7mm 20.7 x 13.8mm
Sensor area 370.5mm² 285.7mm²
Sensor resolution 12MP 5MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest resolution 4288 x 2848 2640 x 1760
Highest native ISO 3200 3200
Lowest native ISO 200 50
RAW data
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Lens
Lens support fixed lens fixed lens
Lens zoom range () 41mm (1x)
Crop factor 1.5 1.7
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3" 2.5"
Resolution of screen 920 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Lowest shutter speed 1 secs 15 secs
Highest shutter speed 1/9000 secs 1/2000 secs
Continuous shooting rate 3.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 9.60 m 4.30 m
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) 320 x 240
Highest video resolution 1280x720 320x240
Video format Motion JPEG Motion JPEG
Mic port
Headphone port
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 370 gr (0.82 pounds) 280 gr (0.62 pounds)
Physical 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 -
Type of battery Battery Pack -
Battery ID DB-90 -
Self timer Yes (5 sec, custom) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC, Internal SD/SDHC/MMC card
Card slots Single Single
Pricing at launch $349 $940