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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Sigma DP2 Quattro front
Portability
70
Imaging
63
Features
38
Overall
53

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Key Specs

Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200
  • 1280 x 720 video
  • 28mm (F2.5) lens
  • 140g - 113 x 70 x 56mm
  • Introduced September 2010
Sigma DP2 Quattro
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • No Video
  • 45mm (F2.8) lens
  • 395g - 161 x 67 x 82mm
  • Revealed February 2014
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Overview

Here is a extended review of the Ricoh GXR GR Lens A12 28mm F2.5 versus Sigma DP2 Quattro, former being a Advanced Mirrorless while the latter is a Large Sensor Compact by rivals Ricoh and Sigma. There is a noticeable difference among the resolutions of the GXR GR Lens A12 28mm F2.5 (12MP) and DP2 Quattro (20MP) but both cameras offer the identical sensor measurements (APS-C).

Photography Glossary

The GXR GR Lens A12 28mm F2.5 was announced 4 years earlier than the DP2 Quattro and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras feature different body design with the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera and the Sigma DP2 Quattro being a Large Sensor Compact camera.

Before we go straight to a thorough comparison, here is a brief synopsis of how the GXR GR Lens A12 28mm F2.5 scores vs the DP2 Quattro in terms of portability, imaging, features and an overall rating.

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Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Sigma DP2 Quattro

 GXR GR Lens A12 28mm F2.5 DP2 Quattro 

Reasons to pick Sigma DP2 Quattro over the Ricoh GXR GR Lens A12 28mm F2.5

 DP2 Quattro GXR GR Lens A12 28mm F2.5 
RevealedFebruary 2014September 2010Fresher by 41 months

Common features in the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma DP2 Quattro

 GXR GR Lens A12 28mm F2.5 DP2 Quattro 
Manual focus Very precise focus
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen measurements
Screen resolution920k920kEqual screen resolution
Selfie screen Lacking selfie screen
Touch screen Neither has Touch screen

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Physical Comparison

If you're aiming to carry your camera frequently, you will want to consider its weight and dimensions. The Ricoh GXR GR Lens A12 28mm F2.5 has physical dimensions of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") accompanied by a weight of 140 grams (0.31 lbs) whilst the Sigma DP2 Quattro has dimensions of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") and a weight of 395 grams (0.87 lbs).

Take a look at the Ricoh GXR GR Lens A12 28mm F2.5 versus Sigma DP2 Quattro in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ based on the lens you are employing at that time. Here is a front view proportions comparison of the GXR GR Lens A12 28mm F2.5 compared to the DP2 Quattro.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro size comparison

Taking into consideration size and weight, the portability score of the GXR GR Lens A12 28mm F2.5 and DP2 Quattro is 88 and 70 respectively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro top view buttons comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Sensor Comparison

Oftentimes, it can be hard to envision the difference in sensor sizing only by researching specifications. The photograph here will offer you a more clear sense of the sensor dimensions in the GXR GR Lens A12 28mm F2.5 and DP2 Quattro.

To sum up, both cameras come with the identical sensor size albeit not the same megapixels. You can count on the Sigma DP2 Quattro to provide you with greater detail with its extra 8MP. Higher resolution can also enable you to crop pictures a good deal more aggressively. The older GXR GR Lens A12 28mm F2.5 will be disadvantaged with regard to sensor tech.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro sensor size comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Screen and ViewFinder

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography information
Sigma DP2 Quattro Portrait photography information
57
you can focus manually
good sensor size (APS-C)
features face detect focus
delivers RAW files
no liveview
low resolution sensor (12MP)
77
focusing manually
MP count good (20 megapixels)
sensor size is good (APS-C)
has face detection autofocus
delivers RAW formats
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Street Comparison

Street photography with Ricoh GXR GR Lens A12 28mm F2.5
Street photography with Sigma DP2 Quattro
70
good sensor size (APS-C)
delivers RAW files
lighter than competitors (140g)
fixed screen
no image stabilization
61
sensor size is good (APS-C)
delivers RAW formats
no articulating screen
no image stabilization
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Sports Comparison

Sports photography with Ricoh GXR GR Lens A12 28mm F2.5
Sports photography with Sigma DP2 Quattro
32
good sensor size (APS-C)
can't change focal length (28mm)
no liveview
slow fps (5.0 frames/s)
no image stabilization
low resolution sensor (12 megapixels)
not so great battery life (320 CIPA)
doesn't have phase detect auto focus
48
MP count good (20 megapixels)
sensor size is good (APS-C)
focal length is fixed (45mm)
continuous shooting slow (3.0 fps)
no image stabilization
no phase detect autofocus
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Travel Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Travel photography camera
Sigma DP2 Quattro as a Travel photography camera
58
lighter than competitors (140g)
flash built-in
not so great battery life (320 shots)
low resolution sensor (12 megapixels)
screen isn't selfie friendly
sluggish maximum aperture (f2.5)
53
MP count good (20 megapixels)
display is not selfie friendly
sluggish maximum aperture (f2.8)
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Landscape Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Landscape photography factors
Sigma DP2 Quattro Landscape photography factors
47
you can focus manually
decent sized screen (3")
good sensor size (APS-C)
delivers RAW files
lens is fixed (fixed lens mount)
can't change focal length (28mm)
sluggish maximum aperture (f2.5)
no liveview
no image stabilization
low resolution sensor (12 megapixels)
not so great battery life (320 CIPA)
59
focusing manually
screen size is good (3 inch)
MP count good (20MP)
sensor size is good (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
focal length is fixed (45mm)
sluggish maximum aperture (f2.8)
no image stabilization
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Vlogging Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Vlogging features
Sigma DP2 Quattro Vlogging features
28
features face detect focus
lighter than competitors (140 grams)
sluggish maximum aperture (f2.5)
screen isn't selfie friendly
no image stabilization
low video resolution (1280 x 720 pixels)
no mic support
9
no video
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma DP2 Quattro Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Sigma DP2 Quattro
 Ricoh GXR GR Lens A12 28mm F2.5Sigma DP2 Quattro
General Information
Make Ricoh Sigma
Model type Ricoh GXR GR Lens A12 28mm F2.5 Sigma DP2 Quattro
Type Advanced Mirrorless Large Sensor Compact
Introduced 2010-09-21 2014-02-13
Body design Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Powered by GR Engine III TRUE III engine
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.6 x 15.7mm 23.5 x 15.7mm
Sensor area 370.5mm² 369.0mm²
Sensor resolution 12 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Peak resolution 4288 x 2848 5424 x 3616
Highest native ISO 3200 6400
Min native ISO 200 100
RAW format
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points - 9
Lens
Lens support fixed lens fixed lens
Lens zoom range 28mm (1x) 45mm (1x)
Largest aperture f/2.5 f/2.8
Focal length multiplier 1.5 1.5
Screen
Range of display Fixed Type Fixed Type
Display diagonal 3 inch 3 inch
Resolution of display 920k dot 920k dot
Selfie friendly
Liveview
Touch screen
Display tech TFT color LCD TFT color LCD
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Minimum shutter speed 180 secs 30 secs
Fastest shutter speed 1/3200 secs 1/2000 secs
Continuous shutter speed 5.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) -
Highest video resolution 1280x720 None
Video file format MPEG-4 -
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 140g (0.31 lb) 395g (0.87 lb)
Physical dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 161 x 67 x 82mm (6.3" x 2.6" x 3.2")
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 320 shots -
Battery form Battery Pack -
Battery ID DB-90 BP-51
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (2 or 10 secs)
Time lapse shooting
Type of storage SD/SDHC, Internal -
Storage slots Single Single
Retail price $566 $931