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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x

Portability
77
Imaging
52
Features
31
Overall
43
Ricoh GXR A12 50mm F2.5 Macro front
 
Sigma DP1x front
Portability
88
Imaging
44
Features
27
Overall
37

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x 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 DP1x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 28mm (F4.0) lens
  • 250g - 113 x 60 x 50mm
  • Released February 2010
  • Succeeded the Sigma DP1s
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x Overview

Here, we will be reviewing the Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1x, one is a Advanced Mirrorless and the latter is a Large Sensor Compact by companies Ricoh and Sigma. There exists a big gap between the sensor resolutions of the GXR A12 50mm F2.5 Macro (12MP) and DP1x (5MP) but both cameras posses the identical sensor measurements (APS-C).

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The GXR A12 50mm F2.5 Macro was unveiled 3 months before the DP1x which means that they are of a similar generation. Both of these cameras feature different body design with the Ricoh GXR A12 50mm F2.5 Macro being a Rangefinder-style mirrorless camera and the Sigma DP1x being a Large Sensor Compact camera.

Before getting straight to a more detailed comparison, here is a brief introduction of how the GXR A12 50mm F2.5 Macro matches up versus the DP1x in terms of portability, imaging, features and an overall score.

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Reasons to pick Ricoh GXR A12 50mm F2.5 Macro over the Sigma DP1x

 GXR A12 50mm F2.5 Macro DP1x 
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution920k230kClearer screen (+690k dot)

Reasons to pick Sigma DP1x over the Ricoh GXR A12 50mm F2.5 Macro

 DP1x GXR A12 50mm F2.5 Macro 

Common features in the Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1x

 GXR A12 50mm F2.5 Macro DP1x 
ReleasedNovember 2009February 2010Similar generation
Manually focus Very accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch friendly screen Lacking Touch friendly screen

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x Physical Comparison

For those who are aiming to carry around your camera regularly, you'll have to take into account its weight and dimensions. The Ricoh GXR A12 50mm F2.5 Macro has outer dimensions of 114mm x 70mm x 77mm (4.5" x 2.8" x 3.0") having a weight of 453 grams (1.00 lbs) whilst the Sigma DP1x has dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") having a weight of 250 grams (0.55 lbs).

Compare the Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1x in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing during that time. The following is a front view measurement comparison of the GXR A12 50mm F2.5 Macro against the DP1x.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x size comparison

Using dimensions and weight, the portability rating of the GXR A12 50mm F2.5 Macro and DP1x is 77 and 88 respectively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x top view buttons comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x Sensor Comparison

Quite often, it is tough to picture the contrast between sensor sizes merely by reading through a spec sheet. The pic here will provide you a greater sense of the sensor sizes in the GXR A12 50mm F2.5 Macro and DP1x.

As you can see, both of those cameras feature the identical sensor size albeit different resolution. You should count on the Ricoh GXR A12 50mm F2.5 Macro to give you extra detail having an extra 7MP. Higher resolution will also help you crop pictures way more aggressively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x sensor size comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x Screen and ViewFinder

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Ricoh GXR A12 50mm F2.5 Macro
Portrait photography with Sigma DP1x
55
you can focus manually
decent sensor size (APS-C)
saves RAW formats
no liveview feature
sensor resolution not great (12 megapixels)
56
you can focus manually
decent sensor size (APS-C)
saves RAW files
sensor resolution not great (5MP)
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Street Comparison

Street photography with Ricoh GXR A12 50mm F2.5 Macro
Street photography with Sigma DP1x
62
decent sensor size (APS-C)
saves RAW formats
screen is fixed
lack of image stabilization
68
decent sensor size (APS-C)
saves RAW files
lighter than others in class (250 grams)
no moving screen
does not have image stabilization
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Sports Comparison

Ricoh GXR A12 50mm F2.5 Macro as a Sports photography camera
Sigma DP1x as a Sports photography camera
32
decent sensor size (APS-C)
focal length is fixed (50mm)
no liveview feature
low frames per second (3.0 frames/s)
lack of image stabilization
sensor resolution not great (12 megapixels)
bad battery (320 CIPA)
does not have phase detect AF
32
decent sensor size (APS-C)
can't change focal length (28mm)
does not have image stabilization
sensor resolution not great (5 megapixels)
does not have phase detect auto focus
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Travel Comparison

Ricoh GXR A12 50mm F2.5 Macro as a Travel photography camera
Sigma DP1x as a Travel photography camera
49
has built in flash
bad battery (320 CIPA)
sensor resolution not great (12MP)
screen is not selfie friendly
sluggish max aperture (f2.5)
57
lighter than others in class (250g)
has built in flash
doesn't have Time Lapse mode
sensor resolution not great (5MP)
doesn't posses selfie friendly screen
slow maximum aperture (f4.0)
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Landscape Comparison

Landscape photography with Ricoh GXR A12 50mm F2.5 Macro
Landscape photography with Sigma DP1x
46
you can focus manually
screen size is decent (3 inches)
decent sensor size (APS-C)
saves RAW formats
fixed lens (fixed lens mount)
focal length is fixed (50mm)
sluggish max aperture (f2.5)
no liveview feature
lack of image stabilization
sensor resolution not great (12MP)
bad battery (320 CIPA)
41
you can focus manually
decent sensor size (APS-C)
saves RAW files
fixed lens (fixed lens mount)
can't change focal length (28mm)
slow maximum aperture (f4.0)
small screen (2.5")
does not have image stabilization
sensor resolution not great (5 megapixels)
doesn't have Time Lapse mode
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Vlogging Comparison

Ricoh GXR A12 50mm F2.5 Macro Vlogging highlights
Sigma DP1x Vlogging highlights
20
sluggish max aperture (f2.5)
screen is not selfie friendly
lack of image stabilization
low res video (1280 x 720 pxls)
lack of mic socket
25
lighter than others in class (250g)
slow maximum aperture (f4.0)
doesn't posses selfie friendly screen
does not have image stabilization
low quality video (320 x 240 pxls)
doesn't have external mic support
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1x Specifications

Detailed spec comparison table for Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1x
 Ricoh GXR A12 50mm F2.5 MacroSigma DP1x
General Information
Brand Name Ricoh Sigma
Model Ricoh GXR A12 50mm F2.5 Macro Sigma DP1x
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 dimensions 23.6 x 15.7mm 20.7 x 13.8mm
Sensor surface area 370.5mm² 285.7mm²
Sensor resolution 12MP 5MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4288 x 2848 2640 x 1760
Max native ISO 3200 3200
Min native ISO 200 100
RAW pictures
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 50mm (1x) 28mm (1x)
Largest aperture f/2.5 f/4.0
Macro focus distance 1cm -
Crop factor 1.5 1.7
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inch 2.5 inch
Screen resolution 920k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Slowest shutter speed 180 secs 30 secs
Maximum shutter speed 1/3200 secs 1/4000 secs
Continuous shooting rate 3.0 frames per second -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 3.00 m -
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual -
External flash
Auto exposure 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
Max video resolution 1280x720 320x240
Video format Motion JPEG -
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 1.0 (1.5 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 453 grams (1.00 lb) 250 grams (0.55 lb)
Physical dimensions 114 x 70 x 77mm (4.5" x 2.8" x 3.0") 113 x 60 x 50mm (4.4" x 2.4" x 2.0")
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 photos -
Battery style Battery Pack -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (10 sec)
Time lapse feature
Type of storage SD/SDHC, Internal SD/MMC card
Card slots Single Single
Cost at launch $566 $574