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Ricoh PX vs Sigma DP2s

Portability
95
Imaging
39
Features
36
Overall
37
Ricoh PX front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Ricoh PX vs Sigma DP2s Key Specs

Ricoh PX
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.9-5.4) lens
  • 156g - 100 x 55 x 21mm
  • Released August 2011
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
  • Launched February 2010
  • Succeeded the Sigma DP2
  • Replacement is Sigma DP2x
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Ricoh PX vs Sigma DP2s Overview

In this write-up, we will be analyzing the Ricoh PX and Sigma DP2s, one is a Small Sensor Compact and the latter is a Large Sensor Compact by rivals Ricoh and Sigma. There exists a sizeable gap between the image resolutions of the PX (16MP) and DP2s (5MP) and the PX (1/2.3") and DP2s (APS-C) use totally different sensor sizes.

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The PX was launched 19 months after the DP2s which makes the cameras a generation away from one another. Both cameras offer different body type with the Ricoh PX being a Compact camera and the Sigma DP2s being a Large Sensor Compact camera.

Before delving straight into a in depth comparison, below is a simple summation of how the PX scores versus the DP2s in relation to portability, imaging, features and an overall score.

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Reasons to pick Ricoh PX over the Sigma DP2s

 PX DP2s 
LaunchedAugust 2011February 2010More modern by 19 months
Screen sizing2.7"2.5"Bigger screen (+0.2")

Reasons to pick Sigma DP2s over the Ricoh PX

 DP2s PX 

Common features in the Ricoh PX and Sigma DP2s

 PX DP2s 
Manual focus More exact focusing
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kIdentical screen resolution
Selfie screen Missing selfie screen
Touch friendly screen Neither contains Touch friendly screen

Ricoh PX vs Sigma DP2s Physical Comparison

When you are intending to carry around your camera frequently, you should factor in its weight and dimensions. The Ricoh PX has got outer 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 DP2s has dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs).

Analyze the Ricoh PX and Sigma DP2s in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select during that time. Here is the front view dimensions comparison of the PX and the DP2s.

Ricoh PX vs Sigma DP2s size comparison

Taking into consideration dimensions and weight, the portability score of the PX and DP2s is 95 and 86 respectively.

Ricoh PX vs Sigma DP2s top view buttons comparison

Ricoh PX vs Sigma DP2s Sensor Comparison

Normally, its hard to see the gap between sensor sizes purely by reading through specs. The pic underneath might give you a far better sense of the sensor dimensions in the PX and DP2s.

All in all, both cameras offer different megapixels and different sensor sizes. The PX featuring a tinier sensor will make shooting shallower DOF trickier and the Ricoh PX will give extra detail utilizing its extra 11MP. Higher resolution will help you crop photographs a little more aggressively. The newer PX will have a benefit when it comes to sensor innovation.

Ricoh PX vs Sigma DP2s sensor size comparison

Ricoh PX vs Sigma DP2s Screen and ViewFinder

Ricoh PX vs Sigma DP2s Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Ricoh PX Portrait photography factors
Sigma DP2s Portrait photography factors
43
manual focus
MP count decent (16 megapixels)
features face detect focusing
no external flash support
very small sensor size (1/2.3")
no RAW support
56
focusing manually
good sensor size (APS-C)
delivers RAW formats
sensor resolution low (5 megapixels)
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Street Comparison

Ricoh PX as a Street photography camera
Sigma DP2s as a Street photography camera
63
built in image stabilization (Sensor-shift)
environment proofing
no moving screen
very small sensor size (1/2.3")
no RAW support
67
good sensor size (APS-C)
delivers RAW formats
lighter than competitors (280 grams)
fixed screen
no image stabilization
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Sports Comparison

Ricoh PX Sports photography features
Sigma DP2s Sports photography features
44
built in image stabilization (Sensor-shift)
MP count decent (16MP)
features tracking focus
environment proofing
very slow continuous shooting (1.0 fps)
no shutter priority
very small sensor size (1/2.3")
no phase detect AF
30
good sensor size (APS-C)
can't change focal length (41mm)
very slow continuous shooting (3.0 frames/s)
no image stabilization
sensor resolution low (5MP)
no phase detect AF
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Travel Comparison

Ricoh PX Travel photography features
Sigma DP2s Travel photography features
68
environment proofing
MP count decent (16MP)
flash built-in
reasonably wide (28mm)
no Timelapse mode
screen is not selfie friendly
slow maximum aperture (f3.9)
67
lighter than competitors (280 grams)
flash built-in
fast max aperture (f)
sensor resolution low (5MP)
does not offer selfie friendly screen
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Landscape Comparison

Ricoh PX Landscape photography features
Sigma DP2s Landscape photography features
47
manual focus
reasonably wide (28mm)
built in image stabilization (Sensor-shift)
MP count decent (16MP)
environment proofing
can't swap lenses (fixed lens mount)
slow maximum aperture (f3.9)
small screen (2.7")
very small sensor size (1/2.3")
no RAW support
no Timelapse mode
48
focusing manually
fast max aperture (f)
good sensor size (APS-C)
delivers RAW formats
can't change lenses (fixed lens mount)
can't change focal length (41mm)
screen is small (2.5 inch)
no image stabilization
sensor resolution low (5 megapixels)
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Vlogging Comparison

Ricoh PX as a Vlogging camera
Sigma DP2s as a Vlogging camera
31
reasonably wide (28mm)
built in image stabilization (Sensor-shift)
features face detect focusing
slow maximum aperture (f3.9)
screen is not selfie friendly
video quality not great (1280 x 720 pixels)
no microphone port
28
fast max aperture (f)
lighter than competitors (280 grams)
does not offer selfie friendly screen
no image stabilization
low video resolution (320 x 240 pxls)
no microphone socket
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Ricoh PX vs Sigma DP2s Specifications

Detailed spec comparison table for Ricoh PX and Sigma DP2s
 Ricoh PXSigma DP2s
General Information
Make Ricoh Sigma
Model type Ricoh PX Sigma DP2s
Category Small Sensor Compact Large Sensor Compact
Released 2011-08-16 2010-02-20
Physical type Compact Large Sensor Compact
Sensor Information
Processor 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 16 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Max resolution 4608 x 3072 2640 x 1760
Max native ISO 3200 3200
Minimum native ISO 100 50
RAW data
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens support fixed lens fixed lens
Lens zoom range 28-140mm (5.0x) 41mm (1x)
Largest aperture f/3.9-5.4 -
Macro focusing distance 3cm -
Crop factor 5.8 1.7
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7 inch 2.5 inch
Screen resolution 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 8s 15s
Fastest shutter speed 1/2000s 1/2000s
Continuous shutter rate 1.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 3.50 m 4.30 m
Flash options Auto, On, Off, Red-Eye, Slow Sync Forced Flash, Red-Eye Reduction, Slow Synchro
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
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30fps) 320 x 240
Max video resolution 1280x720 320x240
Video format Motion JPEG Motion JPEG
Microphone port
Headphone port
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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 156 gr (0.34 lbs) 280 gr (0.62 lbs)
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 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 ID DB-100 -
Self timer Yes (2, 10 or Custom) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC card, Internal SD/SDHC/MMC card
Card slots Single Single
Launch pricing $329 $940