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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1

Portability
77
Imaging
52
Features
31
Overall
43
Ricoh GXR A12 50mm F2.5 Macro front
 
Sigma DP1 front
Portability
87
Imaging
43
Features
30
Overall
37

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Key Specs

Ricoh GXR A12 50mm F2.5 Macro
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200
  • 1280 x 720 video
  • 50mm (F2.5) lens
  • 453g - 114 x 70 x 77mm
  • Introduced November 2009
Sigma DP1
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800
  • No Video
  • 28mm (F) lens
  • 270g - 113 x 60 x 50mm
  • Revealed May 2008
  • Successor is Sigma DP1s
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Overview

Below is a comprehensive overview of the Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1, one being a Advanced Mirrorless and the latter is a Large Sensor Compact by brands Ricoh and Sigma. There exists a sizeable gap among the sensor resolutions of the GXR A12 50mm F2.5 Macro (12MP) and DP1 (5MP) but they use the exact same sensor size (APS-C).

Photography Glossary

The GXR A12 50mm F2.5 Macro was introduced 18 months later than the DP1 which makes the cameras a generation apart from one another. Both cameras come with different body type with the Ricoh GXR A12 50mm F2.5 Macro being a Rangefinder-style mirrorless camera and the Sigma DP1 being a Large Sensor Compact camera.

Before going straight into a in depth comparison, below is a quick summary of how the GXR A12 50mm F2.5 Macro scores versus the DP1 when it comes 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 DP1

 GXR A12 50mm F2.5 Macro DP1 
RevealedNovember 2009May 2008More recent by 18 months
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution920k230kSharper screen (+690k dot)

Reasons to pick Sigma DP1 over the Ricoh GXR A12 50mm F2.5 Macro

 DP1 GXR A12 50mm F2.5 Macro 

Common features in the Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1

 GXR A12 50mm F2.5 Macro DP1 
Focus manually Very precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch friendly screen Neither features Touch friendly screen

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Physical Comparison

If you are intending to lug around your camera frequently, you need to factor its weight and proportions. The Ricoh GXR A12 50mm F2.5 Macro enjoys outer measurements of 114mm x 70mm x 77mm (4.5" x 2.8" x 3.0") along with a weight of 453 grams (1.00 lbs) and the Sigma DP1 has measurements of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") along with a weight of 270 grams (0.60 lbs).

Check out the Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at the time. Underneath is the front view dimensions comparison of the GXR A12 50mm F2.5 Macro compared to the DP1.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 size comparison

Taking into account dimensions and weight, the portability grade of the GXR A12 50mm F2.5 Macro and DP1 is 77 and 87 respectively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 top view buttons comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Sensor Comparison

Typically, it is hard to imagine the difference in sensor measurements just by researching a spec sheet. The photograph underneath will offer you a better sense of the sensor sizing in the GXR A12 50mm F2.5 Macro and DP1.

As you can see, both of those cameras posses the exact same sensor measurements albeit different MP. You should expect the Ricoh GXR A12 50mm F2.5 Macro to render more detail using its extra 7 Megapixels. Higher resolution will also make it easier to crop shots somewhat more aggressively. The more recent GXR A12 50mm F2.5 Macro provides an advantage with regard to sensor tech.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 sensor size comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Screen and ViewFinder

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR A12 50mm F2.5 Macro Portrait photography highlights
Sigma DP1 Portrait photography highlights
55
has manual focus
sensor size is good (APS-C)
supports RAW formats
does not have liveview
low resolution sensor (12 megapixels)
55
manual focus
sensor size is nice (APS-C)
delivers RAW formats
low MP (5MP)
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Street Comparison

Ricoh GXR A12 50mm F2.5 Macro Street photography details
Sigma DP1 Street photography details
62
sensor size is good (APS-C)
supports RAW formats
screen does not articulate
lack of image stabilization
64
sensor size is nice (APS-C)
delivers RAW formats
lighter than competitors (270g)
no articulating screen
no image stabilization
low max ISO (800)
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Sports Comparison

Ricoh GXR A12 50mm F2.5 Macro Sports photography advice
Sigma DP1 Sports photography advice
32
sensor size is good (APS-C)
focal length is fixed (50mm)
does not have liveview
max fps very slow (3.0 fps)
lack of image stabilization
low resolution sensor (12MP)
terrible battery pack (320 CIPA)
has no phase detect auto focus
31
sensor size is nice (APS-C)
fixed focal length (28mm)
no image stabilization
low MP (5MP)
does not have phase detect AF
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Travel Comparison

Travel photography with Ricoh GXR A12 50mm F2.5 Macro
Travel photography with Sigma DP1
49
has built in flash
terrible battery pack (320 shots)
low resolution sensor (12 megapixels)
does not feature selfie friendly screen
somewhat slow maximum aperture (f2.5)
63
lighter than competitors (270 grams)
flash built-in
good maximum aperture (f)
doesn't have Timelapse function
low MP (5 megapixels)
display is not selfie friendly
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Landscape Comparison

Landscape photography with Ricoh GXR A12 50mm F2.5 Macro
Landscape photography with Sigma DP1
46
has manual focus
decent sized screen (3")
sensor size is good (APS-C)
supports RAW formats
fixed lens (fixed lens mount)
focal length is fixed (50mm)
somewhat slow maximum aperture (f2.5)
does not have liveview
lack of image stabilization
low resolution sensor (12MP)
terrible battery pack (320 per charge)
44
manual focus
good maximum aperture (f)
sensor size is nice (APS-C)
delivers RAW formats
lens is fixed (fixed lens mount)
fixed focal length (28mm)
screen is small (2.5 inch)
no image stabilization
low MP (5MP)
low max ISO (800)
doesn't have Timelapse function
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Vlogging Comparison

Ricoh GXR A12 50mm F2.5 Macro Vlogging factors
Sigma DP1 Vlogging factors
20
somewhat slow maximum aperture (f2.5)
does not feature selfie friendly screen
lack of image stabilization
video quality not great (1280 x 720 resolution)
missing mic jack
9
no video shooting
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1 Specifications

Detailed spec comparison table for Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1
 Ricoh GXR A12 50mm F2.5 MacroSigma DP1
General Information
Brand Name Ricoh Sigma
Model type Ricoh GXR A12 50mm F2.5 Macro Sigma DP1
Type Advanced Mirrorless Large Sensor Compact
Introduced 2009-11-10 2008-05-19
Body design Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Processor Chip GR engine III -
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 12MP 5MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 4288 x 2848 2640 x 1760
Max native ISO 3200 800
Lowest native ISO 200 100
RAW images
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 50mm (1x) 28mm (1x)
Highest aperture f/2.5 -
Macro focusing range 1cm -
Focal length multiplier 1.5 1.7
Screen
Display type Fixed Type Fixed Type
Display size 3 inches 2.5 inches
Display resolution 920 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Minimum shutter speed 180 secs 30 secs
Fastest shutter speed 1/3200 secs 1/4000 secs
Continuous shutter speed 3.0 frames/s -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 3.00 m -
Flash options Auto, On, Off, Red-Eye, Slow Sync, Manual -
External flash
Auto exposure bracketing
White balance 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) -
Max video resolution 1280x720 None
Video data format Motion JPEG -
Microphone input
Headphone input
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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 453 grams (1.00 pounds) 270 grams (0.60 pounds)
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 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 pictures -
Type of battery 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
Storage slots One One
Retail price $566 $566