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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s

Portability
77
Imaging
52
Features
31
Overall
43
Ricoh GXR A12 50mm F2.5 Macro front
 
Sigma DP1s front
Portability
90
Imaging
44
Features
30
Overall
38

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s 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
  • Launched November 2009
Sigma DP1s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800
  • No Video
  • 28mm (F) lens
  • 270g - 109 x 60 x 31mm
  • Revealed October 2009
  • Superseded the Sigma DP1
  • Newer Model is Sigma DP1x
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s Overview

Its time to take a closer look at the Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s, 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 resolutions of the GXR A12 50mm F2.5 Macro (12MP) and DP1s (5MP) but they feature the same exact sensor sizing (APS-C).

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The GXR A12 50mm F2.5 Macro was manufactured 2 months later than the DP1s which means that they are both of a similar generation. Both cameras offer different body type with the Ricoh GXR A12 50mm F2.5 Macro being a Rangefinder-style mirrorless camera and the Sigma DP1s being a Large Sensor Compact camera.

Before we go in to a detailed comparison, below is a simple introduction of how the GXR A12 50mm F2.5 Macro matches up vs the DP1s 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 DP1s

 GXR A12 50mm F2.5 Macro DP1s 
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution920k230kCrisper screen (+690k dot)

Reasons to pick Sigma DP1s over the Ricoh GXR A12 50mm F2.5 Macro

 DP1s GXR A12 50mm F2.5 Macro 

Common features in the Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1s

 GXR A12 50mm F2.5 Macro DP1s 
RevealedNovember 2009October 2009Same generation
Manual focus Dial exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen
Touch friendly screen Neither includes Touch friendly screen

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s Physical Comparison

In case you're intending to lug around your camera, you are going to need to think about its weight and size. The Ricoh GXR A12 50mm F2.5 Macro features outer 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 DP1s has specifications of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") having a weight of 270 grams (0.60 lbs).

Check the Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at the time. Here is the front view physical size comparison of the GXR A12 50mm F2.5 Macro and the DP1s.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s size comparison

Considering dimensions and weight, the portability rating of the GXR A12 50mm F2.5 Macro and DP1s is 77 and 90 respectively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s top view buttons comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s Sensor Comparison

Typically, it is very difficult to envision the gap in sensor measurements merely by researching specs. The photograph here might offer you a much better sense of the sensor sizes in the GXR A12 50mm F2.5 Macro and DP1s.

All in all, each of the cameras offer the same exact sensor sizing albeit not the same resolution. You should expect the Ricoh GXR A12 50mm F2.5 Macro to provide you with greater detail due to its extra 7MP. Higher resolution will also let you crop shots a little more aggressively.

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s sensor size comparison

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s Screen and ViewFinder

Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR A12 50mm F2.5 Macro Portrait photography factors
Sigma DP1s Portrait photography factors
55
focusing manually
nice sensor size (APS-C)
exports RAW files
doesn't have liveview
low megapixels (12 megapixels)
56
focusing manually
nice sensor size (APS-C)
exports RAW formats
resolution not great (5 megapixels)
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Street Comparison

Ricoh GXR A12 50mm F2.5 Macro as a Street photography camera
Sigma DP1s as a Street photography camera
62
nice sensor size (APS-C)
exports RAW files
screen is fixed
lack of image stabilization
66
nice sensor size (APS-C)
exports RAW formats
lighter than average in class (270g)
screen does not articulate
does not have image stabilization
low maximum ISO (800)
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Sports Comparison

Ricoh GXR A12 50mm F2.5 Macro Sports photography advice
Sigma DP1s Sports photography advice
32
nice sensor size (APS-C)
fixed focal length (50mm)
doesn't have liveview
low fps (3.0 fps)
lack of image stabilization
low megapixels (12 megapixels)
terrible battery power (320 CIPA)
lack of phase detect AF
32
nice sensor size (APS-C)
can't change focal length (28mm)
does not have image stabilization
resolution not great (5MP)
lack of phase detect AF
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Travel Comparison

Ricoh GXR A12 50mm F2.5 Macro as a Travel photography camera
Sigma DP1s as a Travel photography camera
49
built-in flash
terrible battery power (320 per charge)
low megapixels (12MP)
screen isn't selfie friendly
slow maximum aperture (f2.5)
64
lighter than average in class (270 grams)
built-in flash
fast maximum aperture (f)
missing Time Lapse function
resolution not great (5MP)
display is not selfie friendly
Photography Glossary

Landscape Comparison

Ricoh GXR A12 50mm F2.5 Macro Landscape photography advice
Sigma DP1s Landscape photography advice
46
focusing manually
screen size is decent (3")
nice sensor size (APS-C)
exports RAW files
cannot swap lenses (fixed lens mount)
fixed focal length (50mm)
slow maximum aperture (f2.5)
doesn't have liveview
lack of image stabilization
low megapixels (12 megapixels)
terrible battery power (320 CIPA)
44
focusing manually
fast maximum aperture (f)
nice sensor size (APS-C)
exports RAW formats
can't change lens (fixed lens mount)
can't change focal length (28mm)
small screen (2.5")
does not have image stabilization
resolution not great (5MP)
low maximum ISO (800)
missing Time Lapse function
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Vlogging Comparison

Ricoh GXR A12 50mm F2.5 Macro Vlogging advice
Sigma DP1s Vlogging advice
20
slow maximum aperture (f2.5)
screen isn't selfie friendly
lack of image stabilization
video res low (1280 x 720 resolution)
lack of external mic port
9
no video shooting
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Ricoh GXR A12 50mm F2.5 Macro vs Sigma DP1s Specifications

Detailed spec comparison table for Ricoh GXR A12 50mm F2.5 Macro and Sigma DP1s
 Ricoh GXR A12 50mm F2.5 MacroSigma DP1s
General Information
Manufacturer Ricoh Sigma
Model type Ricoh GXR A12 50mm F2.5 Macro Sigma DP1s
Category Advanced Mirrorless Large Sensor Compact
Launched 2009-11-10 2009-10-02
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Chip GR engine III -
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 12 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Maximum resolution 4288 x 2848 2640 x 1760
Maximum native ISO 3200 800
Min native ISO 200 100
RAW images
Autofocusing
Manual focusing
Touch to focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 50mm (1x) 28mm (1x)
Max aperture f/2.5 -
Macro focusing range 1cm -
Crop factor 1.5 1.7
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3" 2.5"
Display resolution 920 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Lowest shutter speed 180 secs 30 secs
Highest 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
Change WB
Image stabilization
Built-in 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 exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) -
Maximum video resolution 1280x720 None
Video data format Motion JPEG Motion JPEG
Mic port
Headphone port
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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 453 gr (1.00 lbs) 270 gr (0.60 lbs)
Dimensions 114 x 70 x 77mm (4.5" x 2.8" x 3.0") 109 x 60 x 31mm (4.3" x 2.4" x 1.2")
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 320 photos -
Battery type Battery Pack -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (10 sec)
Time lapse feature
Storage type SD/SDHC, Internal SD/MMC card
Card slots One One
Pricing at launch $566 $0