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Ricoh PX vs Sigma DP2x

Portability
95
Imaging
39
Features
36
Overall
37
Ricoh PX front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Ricoh PX vs Sigma DP2x Key Specs

Ricoh PX
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.9-5.4) lens
  • 156g - 100 x 55 x 21mm
  • Revealed August 2011
Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Introduced February 2011
  • Succeeded the Sigma DP2s
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Ricoh PX vs Sigma DP2x Overview

Below is a comprehensive overview of the Ricoh PX vs Sigma DP2x, one being a Small Sensor Compact and the latter is a Large Sensor Compact by competitors Ricoh and Sigma. There exists a big gap among the sensor resolutions of the PX (16MP) and DP2x (5MP) and the PX (1/2.3") and DP2x (APS-C) boast different sensor sizing.

Photography Glossary

The PX was introduced 7 months later than the DP2x which means that they are both of a similar generation. Both the cameras feature different body design with the Ricoh PX being a Compact camera and the Sigma DP2x being a Large Sensor Compact camera.

Before diving right into a step-by-step comparison, here is a quick synopsis of how the PX grades vs the DP2x in the way of portability, imaging, features and an overall grade.

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Reasons to pick Ricoh PX over the Sigma DP2x

 PX DP2x 
IntroducedAugust 2011February 2011More recent by 7 months
Screen size2.7"2.5"Bigger screen (+0.2")

Reasons to pick Sigma DP2x over the Ricoh PX

 DP2x PX 

Common features in the Ricoh PX and Sigma DP2x

 PX DP2x 
Focus manually Very precise focus
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kThe same screen resolution
Selfie screen Neither contains selfie screen
Touch friendly screen Lack of Touch friendly screen

Ricoh PX vs Sigma DP2x Physical Comparison

For anyone who is intending to lug around your camera often, you should factor its weight and proportions. The Ricoh PX has got external dimensions of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") along with a weight of 156 grams (0.34 lbs) while the Sigma DP2x has measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs).

Examine the Ricoh PX vs Sigma DP2x in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at the time. Underneath is a front view physical size comparison of the PX compared to the DP2x.

Ricoh PX vs Sigma DP2x size comparison

Factoring in dimensions and weight, the portability score of the PX and DP2x is 95 and 86 respectively.

Ricoh PX vs Sigma DP2x top view buttons comparison

Ricoh PX vs Sigma DP2x Sensor Comparison

Sometimes, its tough to visualize the difference in sensor measurements merely by researching a spec sheet. The graphic below might give you a stronger sense of the sensor dimensions in the PX and DP2x.

As you can see, both cameras feature different megapixel count and different sensor measurements. The PX using its smaller sensor is going to make achieving shallower DOF trickier and the Ricoh PX will provide you with greater detail using its extra 11MP. Higher resolution will also make it easier to crop shots way more aggressively. The fresher PX provides an advantage when it comes to sensor technology.

Ricoh PX vs Sigma DP2x sensor size comparison

Ricoh PX vs Sigma DP2x Screen and ViewFinder

Ricoh PX vs Sigma DP2x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh PX Portrait photography information
Sigma DP2x Portrait photography information
43
has manual focus
decent megapixels (16 megapixels)
comes with face detection focus
no external flash support
tiny sensor (1/2.3")
lack of RAW format
57
you can focus manually
decent sensor size (APS-C)
supports RAW files
resolution not great (5MP)
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Street Comparison

Ricoh PX as a Street photography camera
Sigma DP2x as a Street photography camera
63
image stabilization (Sensor-shift)
environment proofing
no moving screen
tiny sensor (1/2.3")
lack of RAW format
68
decent sensor size (APS-C)
supports RAW files
lighter than competition (280g)
fixed screen
no image stabilization
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Sports Comparison

Ricoh PX Sports photography factors
Sigma DP2x Sports photography factors
44
image stabilization (Sensor-shift)
decent megapixels (16MP)
comes with tracking autofocus
environment proofing
slow frames per second (1.0 frames/s)
lack of shutter priority mode
tiny sensor (1/2.3")
lack of phase detect auto focus
30
decent sensor size (APS-C)
can't change focal length (41mm)
continuous shooting slow (3.0 frames/s)
no image stabilization
resolution not great (5 megapixels)
lack of phase detect autofocus
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Travel Comparison

Travel photography with Ricoh PX
Travel photography with Sigma DP2x
68
environment proofing
decent megapixels (16MP)
has built in flash
pretty wide (28mm)
does not have Timelapse mode
screen isn't selfie friendly
slow max aperture (f3.9)
67
lighter than competition (280g)
has built in flash
great max aperture (f)
resolution not great (5MP)
display isn't selfie friendly
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Landscape Comparison

Ricoh PX Landscape photography highlights
Sigma DP2x Landscape photography highlights
47
has manual focus
pretty wide (28mm)
image stabilization (Sensor-shift)
decent megapixels (16 megapixels)
environment proofing
fixed lens (fixed lens mount)
slow max aperture (f3.9)
screen is somewhat small (2.7")
tiny sensor (1/2.3")
lack of RAW format
does not have Timelapse mode
48
you can focus manually
great max aperture (f)
decent sensor size (APS-C)
supports RAW files
fixed lens (fixed lens mount)
can't change focal length (41mm)
screen is small (2.5")
no image stabilization
resolution not great (5MP)
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Vlogging Comparison

Ricoh PX Vlogging highlights
Sigma DP2x Vlogging highlights
31
pretty wide (28mm)
image stabilization (Sensor-shift)
comes with face detection focus
slow max aperture (f3.9)
screen isn't selfie friendly
low video resolution (1280 x 720 resolution)
does not have external microphone socket
28
great max aperture (f)
lighter than competition (280 grams)
display isn't selfie friendly
no image stabilization
video res low (320 x 240 pxls)
does not have microphone support
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Ricoh PX vs Sigma DP2x Specifications

Detailed spec comparison table for Ricoh PX and Sigma DP2x
 Ricoh PXSigma DP2x
General Information
Make Ricoh Sigma
Model Ricoh PX Sigma DP2x
Type Small Sensor Compact Large Sensor Compact
Revealed 2011-08-16 2011-02-08
Physical type Compact Large Sensor Compact
Sensor Information
Processor Chip Smooth Imaging Engine IV True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 20.7 x 13.8mm
Sensor area 28.1mm² 285.7mm²
Sensor resolution 16MP 5MP
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Highest Possible resolution 4608 x 3072 2640 x 1760
Maximum native ISO 3200 3200
Minimum native ISO 100 100
RAW data
Autofocusing
Manual focus
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 28-140mm (5.0x) 41mm (1x)
Maximum aperture f/3.9-5.4 -
Macro focus range 3cm -
Crop factor 5.8 1.7
Screen
Type of display Fixed Type Fixed Type
Display sizing 2.7 inch 2.5 inch
Display resolution 230k dots 230k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 8 seconds 15 seconds
Max shutter speed 1/2000 seconds 1/2000 seconds
Continuous shutter rate 1.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range 3.50 m 4.30 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30fps) 320 x 240
Maximum video resolution 1280x720 320x240
Video file 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 156 gr (0.34 pounds) 280 gr (0.62 pounds)
Physical dimensions 100 x 55 x 21mm (3.9" x 2.2" x 0.8") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall 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 model DB-100 -
Self timer Yes (2, 10 or Custom) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC card, Internal SD/SDHC/MMC
Card slots One One
Retail pricing $329 $699