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Ricoh PX vs Sigma DP2 Merrill

Portability
95
Imaging
39
Features
36
Overall
37
Ricoh PX front
 
Sigma DP2 Merrill front
Portability
83
Imaging
56
Features
33
Overall
46

Ricoh PX vs Sigma DP2 Merrill 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
  • Introduced August 2011
Sigma DP2 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • 640 x 480 video
  • 50mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Released February 2012
  • Earlier Model is Sigma DP1 Merrill
  • Successor is Sigma DP3 Merrill
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Ricoh PX vs Sigma DP2 Merrill Overview

On this page, we will be comparing the Ricoh PX versus Sigma DP2 Merrill, one being a Small Sensor Compact and the latter is a Large Sensor Compact by rivals Ricoh and Sigma. The image resolution of the PX (16MP) and the DP2 Merrill (15MP) is relatively comparable but the PX (1/2.3") and DP2 Merrill (APS-C) provide different sensor sizing.

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The PX was unveiled 5 months before the DP2 Merrill which means that they are both of a similar generation. Both of the cameras have different body design with the Ricoh PX being a Compact camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before getting into a comprehensive comparison, here is a quick introduction of how the PX grades vs the DP2 Merrill when considering portability, imaging, features and an overall grade.

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Reasons to pick Ricoh PX over the Sigma DP2 Merrill

 PX DP2 Merrill 

Reasons to pick Sigma DP2 Merrill over the Ricoh PX

 DP2 Merrill PX 
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution920k230kSharper screen (+690k dot)

Common features in the Ricoh PX and Sigma DP2 Merrill

 PX DP2 Merrill 
ReleasedAugust 2011February 2012Same generation
Manual focus Dial precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither includes selfie screen
Touch screen Neither includes Touch screen

Ricoh PX vs Sigma DP2 Merrill Physical Comparison

For anybody who is going to lug around your camera often, you will want to consider its weight and proportions. The Ricoh PX features outer measurements of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") having a weight of 156 grams (0.34 lbs) and the Sigma DP2 Merrill has measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") accompanied by a weight of 330 grams (0.73 lbs).

Check out the Ricoh PX versus Sigma DP2 Merrill in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you select at that moment. Below is a front view over all size comparison of the PX and the DP2 Merrill.

Ricoh PX vs Sigma DP2 Merrill size comparison

Considering size and weight, the portability grade of the PX and DP2 Merrill is 95 and 83 respectively.

Ricoh PX vs Sigma DP2 Merrill top view buttons comparison

Ricoh PX vs Sigma DP2 Merrill Sensor Comparison

Usually, it is difficult to imagine the contrast in sensor measurements only by checking out technical specs. The photograph underneath will help offer you a greater sense of the sensor sizing in the PX and DP2 Merrill.

As you can tell, both of those cameras provide different megapixel count and different sensor measurements. The PX with its smaller sensor is going to make getting shallow depth of field trickier and the Ricoh PX will produce more detail having an extra 1MP. Higher resolution will make it easier to crop pictures more aggressively.

Ricoh PX vs Sigma DP2 Merrill sensor size comparison

Ricoh PX vs Sigma DP2 Merrill Screen and ViewFinder

Ricoh PX vs Sigma DP2 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh PX Portrait photography information
Sigma DP2 Merrill Portrait photography information
43
focusing manually
good resolution (16 megapixels)
features face detection focusing
no external flash support
very small sensor (1/2.3")
lacks RAW support
73
has manual focus
good MP (15MP)
sensor size is decent (APS-C)
delivers RAW files
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Street Comparison

Ricoh PX Street photography advice
Sigma DP2 Merrill Street photography advice
63
image stabilization (Sensor-shift)
environment proof
no moving screen
very small sensor (1/2.3")
lacks RAW support
65
sensor size is decent (APS-C)
delivers RAW files
screen does not articulate
no image stabilization
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Sports Comparison

Ricoh PX Sports photography details
Sigma DP2 Merrill Sports photography details
44
image stabilization (Sensor-shift)
good resolution (16 megapixels)
features tracking autofocus
environment proof
slow frames per second (1.0 frames/s)
no shutter priority
very small sensor (1/2.3")
lacks phase detect AF
44
good MP (15MP)
sensor size is decent (APS-C)
can't change focal length (50mm)
slow frames per second (4.0 fps)
no image stabilization
lack of phase detect auto focus
Photography Glossary

Travel Comparison

Ricoh PX Travel photography details
Sigma DP2 Merrill Travel photography details
68
environment proof
good resolution (16MP)
has built in flash
relatively wide (28mm)
no Timelapse function
display is not selfie friendly
slow max aperture (f3.9)
54
good MP (15 megapixels)
missing Timelapse recording
does not have a selfie friendly display
sluggish max aperture (f2.8)
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Landscape Comparison

Ricoh PX Landscape photography info
Sigma DP2 Merrill Landscape photography info
47
focusing manually
relatively wide (28mm)
image stabilization (Sensor-shift)
good resolution (16 megapixels)
environment proof
fixed lens (fixed lens mount)
slow max aperture (f3.9)
screen is small (2.7 inches)
very small sensor (1/2.3")
lacks RAW support
no Timelapse function
55
has manual focus
screen size is good (3 inches)
good MP (15MP)
sensor size is decent (APS-C)
delivers RAW files
fixed lens (fixed lens mount)
can't change focal length (50mm)
sluggish max aperture (f2.8)
no image stabilization
missing Timelapse recording
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Vlogging Comparison

Ricoh PX Vlogging details
Sigma DP2 Merrill Vlogging details
31
relatively wide (28mm)
image stabilization (Sensor-shift)
features face detection focusing
slow max aperture (f3.9)
display is not selfie friendly
video quality not great (1280 x 720 pxls)
no external microphone support
22
sluggish max aperture (f2.8)
does not have a selfie friendly display
no image stabilization
video quality not great (640 x 480 pxls)
missing external microphone support
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Ricoh PX vs Sigma DP2 Merrill Specifications

Detailed spec comparison table for Ricoh PX and Sigma DP2 Merrill
 Ricoh PXSigma DP2 Merrill
General Information
Company Ricoh Sigma
Model Ricoh PX Sigma DP2 Merrill
Category Small Sensor Compact Large Sensor Compact
Introduced 2011-08-16 2012-02-08
Physical type Compact Large Sensor Compact
Sensor Information
Chip Smooth Imaging Engine IV Dual TRUE II engine
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 24 x 16mm
Sensor surface area 28.1mm² 384.0mm²
Sensor resolution 16 megapixels 15 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 -
Peak resolution 4608 x 3072 4704 x 3136
Highest native ISO 3200 6400
Minimum native ISO 100 100
RAW photos
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28-140mm (5.0x) 50mm (1x)
Highest aperture f/3.9-5.4 f/2.8
Macro focus distance 3cm -
Focal length multiplier 5.8 1.5
Screen
Type of display Fixed Type Fixed Type
Display size 2.7 inch 3 inch
Display resolution 230k dots 920k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 8s -
Fastest shutter speed 1/2000s -
Continuous shutter rate 1.0 frames per sec 4.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 3.50 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync no built-in flash
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 (30 fps), 640 x 480 (30fps) 640x480
Highest video resolution 1280x720 640x480
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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 156g (0.34 lbs) 330g (0.73 lbs)
Physical dimensions 100 x 55 x 21mm (3.9" x 2.2" x 0.8") 122 x 67 x 59mm (4.8" x 2.6" x 2.3")
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) -
Time lapse recording
Storage type SD/SDHC card, Internal -
Card slots 1 1
Retail pricing $329 $931