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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s

Portability
77
Imaging
52
Features
31
Overall
43
Ricoh GXR A12 50mm F2.5 Macro front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Key Specs

Ricoh GXR A12 50mm F2.5 Macro
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200
  • 1280 x 720 video
  • 50mm (F2.5) lens
  • 453g - 114 x 70 x 77mm
  • Launched November 2009
Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Revealed February 2010
  • Succeeded the Sigma DP2
  • Successor is Sigma DP2x
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Overview

On this page, we will be evaluating the Ricoh GXR A12 50mm F2.5 Macro versus Sigma DP2s, former being a Advanced Mirrorless while the latter is a Large Sensor Compact by brands Ricoh and Sigma. There exists a noticeable gap between the image resolutions of the GXR A12 50mm F2.5 Macro (12MP) and DP2s (5MP) but both cameras boast the same sensor size (APS-C).

Photography Glossary

The GXR A12 50mm F2.5 Macro was revealed 3 months before the DP2s which means that they are both of a similar age. Each of these cameras have different body design with the Ricoh GXR A12 50mm F2.5 Macro being a Rangefinder-style mirrorless camera and the Sigma DP2s being a Large Sensor Compact camera.

Before going into a comprehensive comparison, here is a brief summation of how the GXR A12 50mm F2.5 Macro scores vs the DP2s with regards to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GXR A12 50mm F2.5 Macro over the Sigma DP2s

 GXR A12 50mm F2.5 Macro DP2s 
Screen dimensions3"2.5"Bigger screen (+0.5")
Screen resolution920k230kCrisper screen (+690k dot)

Reasons to pick Sigma DP2s over the Ricoh GXR A12 50mm F2.5 Macro

 DP2s GXR A12 50mm F2.5 Macro 

Common features in the Ricoh GXR A12 50mm F2.5 Macro and Sigma DP2s

 GXR A12 50mm F2.5 Macro DP2s 
RevealedNovember 2009February 2010Similar age
Manual focus Very accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch screen Absent Touch screen

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Physical Comparison

If you are looking to lug around your camera, you will want to take into account its weight and size. The Ricoh GXR A12 50mm F2.5 Macro enjoys outside dimensions of 114mm x 70mm x 77mm (4.5" x 2.8" x 3.0") and a weight of 453 grams (1.00 lbs) and 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).

Examine the Ricoh GXR A12 50mm F2.5 Macro versus Sigma DP2s in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary dependant on the lens you choose at that time. Underneath is a front view overall size comparison of the GXR A12 50mm F2.5 Macro compared to the DP2s.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s size comparison

Looking at dimensions and weight, the portability grade of the GXR A12 50mm F2.5 Macro and DP2s is 77 and 86 respectively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s top view buttons comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Sensor Comparison

Normally, it can be tough to imagine the gap between sensor measurements merely by going over technical specs. The visual here should offer you a clearer sense of the sensor dimensions in the GXR A12 50mm F2.5 Macro and DP2s.

As you can tell, the 2 cameras have the same sensor dimensions albeit different MP. You can expect the Ricoh GXR A12 50mm F2.5 Macro to offer you greater detail because of its extra 7MP. Higher resolution will let you crop pictures a bit more aggressively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s sensor size comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Screen and ViewFinder

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR A12 50mm F2.5 Macro Portrait photography info
Sigma DP2s Portrait photography info
55
you can focus manually
nice sensor size (APS-C)
delivers RAW formats
no liveview feature
MP count low (12MP)
56
has manual focus
sensor size is nice (APS-C)
saves RAW files
low MP (5 megapixels)
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Street Comparison

Ricoh GXR A12 50mm F2.5 Macro Street photography features
Sigma DP2s Street photography features
62
nice sensor size (APS-C)
delivers RAW formats
screen is fixed
no image stabilization
67
sensor size is nice (APS-C)
saves RAW files
lighter than others (280 grams)
screen is fixed
no image stabilization
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Sports Comparison

Ricoh GXR A12 50mm F2.5 Macro Sports photography highlights
Sigma DP2s Sports photography highlights
32
nice sensor size (APS-C)
fixed focal length (50mm)
no liveview feature
max fps low (3.0 frames per second)
no image stabilization
MP count low (12MP)
bad battery life (320 per charge)
has no phase detect AF
30
sensor size is nice (APS-C)
fixed focal length (41mm)
max fps very slow (3.0 fps)
no image stabilization
low MP (5 megapixels)
lacks phase detect auto focus
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Travel Comparison

Ricoh GXR A12 50mm F2.5 Macro Travel photography details
Sigma DP2s Travel photography details
49
flash built-in
bad battery life (320 shots)
MP count low (12 megapixels)
display is not selfie friendly
sluggish maximum aperture (f2.5)
67
lighter than others (280g)
built-in flash
great maximum aperture (f)
low MP (5 megapixels)
doesn't have a selfie friendly screen
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Landscape Comparison

Ricoh GXR A12 50mm F2.5 Macro Landscape photography details
Sigma DP2s Landscape photography details
46
you can focus manually
screen size is good (3")
nice sensor size (APS-C)
delivers RAW formats
lens is fixed (fixed lens mount)
fixed focal length (50mm)
sluggish maximum aperture (f2.5)
no liveview feature
no image stabilization
MP count low (12MP)
bad battery life (320 CIPA)
48
has manual focus
great maximum aperture (f)
sensor size is nice (APS-C)
saves RAW files
fixed lens (fixed lens mount)
fixed focal length (41mm)
screen is somewhat small (2.5 inch)
no image stabilization
low MP (5MP)
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Vlogging Comparison

Ricoh GXR A12 50mm F2.5 Macro as a Vlogging camera
Sigma DP2s as a Vlogging camera
20
sluggish maximum aperture (f2.5)
display is not selfie friendly
no image stabilization
video resolution low (1280 x 720 resolution)
lack of mic jack
28
great maximum aperture (f)
lighter than others (280 grams)
doesn't have a selfie friendly screen
no image stabilization
video res low (320 x 240 pixels)
does not have external microphone support
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP2s Specifications

Detailed spec comparison table for Ricoh GXR A12 50mm F2.5 Macro and Sigma DP2s
 Ricoh GXR A12 50mm F2.5 MacroSigma DP2s
General Information
Make Ricoh Sigma
Model Ricoh GXR A12 50mm F2.5 Macro Sigma DP2s
Class Advanced Mirrorless Large Sensor Compact
Launched 2009-11-10 2010-02-20
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Powered by GR engine III True II
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 aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 4288 x 2848 2640 x 1760
Maximum native ISO 3200 3200
Min native ISO 200 50
RAW photos
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 50mm (1x) 41mm (1x)
Maximal aperture f/2.5 -
Macro focus range 1cm -
Crop factor 1.5 1.7
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3 inches 2.5 inches
Screen resolution 920k dots 230k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Slowest shutter speed 180s 15s
Maximum shutter speed 1/3200s 1/2000s
Continuous shooting rate 3.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash range 3.00 m 4.30 m
Flash options Auto, On, Off, Red-Eye, Slow Sync, Manual Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) 320 x 240
Maximum video resolution 1280x720 320x240
Video data format Motion JPEG Motion JPEG
Microphone 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 453 grams (1.00 lb) 280 grams (0.62 lb)
Physical dimensions 114 x 70 x 77mm (4.5" x 2.8" x 3.0") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 320 pictures -
Form of battery Battery Pack -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC, Internal SD/SDHC/MMC card
Card slots Single Single
Launch price $566 $940