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Ricoh PX vs Sigma SD15

Portability
95
Imaging
39
Features
36
Overall
37
Ricoh PX front
 
Sigma SD15 front
Portability
59
Imaging
44
Features
45
Overall
44

Ricoh PX vs Sigma SD15 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
  • Launched August 2011
Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600 (Increase to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Released February 2010
  • Replaced the Sigma SD14
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Ricoh PX vs Sigma SD15 Overview

Below is a complete review of the Ricoh PX vs Sigma SD15, former being a Small Sensor Compact while the latter is a Advanced DSLR by companies Ricoh and Sigma. There exists a large gap between the resolutions of the PX (16MP) and SD15 (5MP) and the PX (1/2.3") and SD15 (APS-C) provide different sensor sizes.

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The PX was released 19 months later than the SD15 which makes them a generation apart from one another. The two cameras have different body design with the Ricoh PX being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before going straight to a in depth comparison, here is a brief summation of how the PX matches up against the SD15 in regards to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh PX over the Sigma SD15

 PX SD15 
ReleasedAugust 2011February 2010More recent by 19 months

Reasons to pick Sigma SD15 over the Ricoh PX

 SD15 PX 
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution460k230kClearer screen (+230k dot)

Common features in the Ricoh PX and Sigma SD15

 PX SD15 
Manually focus Dial precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch friendly screen Neither includes Touch friendly screen

Ricoh PX vs Sigma SD15 Physical Comparison

If you're aiming to lug around your camera, you're going to have to factor its weight and volume. The Ricoh PX features physical measurements of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") having a weight of 156 grams (0.34 lbs) whilst the Sigma SD15 has sizing of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Check the Ricoh PX vs Sigma SD15 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ dependant on the lens you are utilising during that time. Here is a front view scale comparison of the PX and the SD15.

Ricoh PX vs Sigma SD15 size comparison

Taking into consideration dimensions and weight, the portability grade of the PX and SD15 is 95 and 59 respectively.

Ricoh PX vs Sigma SD15 top view buttons comparison

Ricoh PX vs Sigma SD15 Sensor Comparison

Normally, it can be difficult to imagine the gap between sensor measurements only by reading specs. The photograph below will help offer you a greater sense of the sensor measurements in the PX and SD15.

All in all, each of these cameras provide different megapixel count and different sensor measurements. The PX featuring a tinier sensor is going to make shooting bokeh more challenging and the Ricoh PX will deliver more detail as a result of its extra 11MP. Higher resolution will help you crop pictures more aggressively. The newer PX should have an edge when it comes to sensor technology.

Ricoh PX vs Sigma SD15 sensor size comparison

Ricoh PX vs Sigma SD15 Screen and ViewFinder

Ricoh PX vs Sigma SD15 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh PX Portrait photography highlights
Sigma SD15 Portrait photography highlights
43
manual focus
decent sensor resolution (16MP)
has face detection focusing
cannot use external flash
sensor size is very small (1/2.3")
lack of RAW support
50
has manual focus
sensor size is nice (APS-C)
saves RAW formats
no liveview feature
low MP (5 megapixels)
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Street Comparison

Ricoh PX Street photography information
Sigma SD15 Street photography information
63
has image stabilization (Sensor-shift)
environment proofing
no moving screen
sensor size is very small (1/2.3")
lack of RAW support
52
sensor size is nice (APS-C)
saves RAW formats
no moving screen
does not have image stabilization
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Sports Comparison

Sports photography with Ricoh PX
Sports photography with Sigma SD15
44
has image stabilization (Sensor-shift)
decent sensor resolution (16MP)
has tracking autofocus
environment proofing
max fps very slow (1.0 fps)
no shutter priority mode
sensor size is very small (1/2.3")
lack of phase detect AF
38
sensor size is nice (APS-C)
sensor has phase detect auto focus
no liveview feature
slow continuous shooting (3.0 frames per second)
does not have image stabilization
low MP (5 megapixels)
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Travel Comparison

Ricoh PX Travel photography features
Sigma SD15 Travel photography features
68
environment proofing
decent sensor resolution (16MP)
built-in flash
really wide (28mm)
no Timelapse function
screen isn't selfie friendly
slow maximum aperture (f3.9)
42
has built in flash
lack of Timelapse recording
low MP (5MP)
display is not selfie friendly
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Landscape Comparison

Ricoh PX Landscape photography features
Sigma SD15 Landscape photography features
47
manual focus
really wide (28mm)
has image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
environment proofing
cannot change lenses (fixed lens mount)
slow maximum aperture (f3.9)
tiny screen (2.7")
sensor size is very small (1/2.3")
lack of RAW support
no Timelapse function
51
has manual focus
interchangeable lenses (Sigma SA mount)
screen size is good (3 inch)
sensor size is nice (APS-C)
saves RAW formats
no liveview feature
does not have image stabilization
low MP (5 megapixels)
lack of Timelapse recording
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Vlogging Comparison

Ricoh PX as a Vlogging camera
Sigma SD15 as a Vlogging camera
31
really wide (28mm)
has image stabilization (Sensor-shift)
has face detection focusing
slow maximum aperture (f3.9)
screen isn't selfie friendly
video resolution low (1280 x 720 pxls)
no external microphone port
9
no video recording
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Ricoh PX vs Sigma SD15 Specifications

Detailed spec comparison table for Ricoh PX and Sigma SD15
 Ricoh PXSigma SD15
General Information
Brand Ricoh Sigma
Model type Ricoh PX Sigma SD15
Class Small Sensor Compact Advanced DSLR
Launched 2011-08-16 2010-02-20
Physical type Compact Mid-size SLR
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 surface 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
Maximum resolution 4608 x 3072 2640 x 1760
Maximum native ISO 3200 1600
Maximum boosted ISO - 3200
Min native ISO 100 100
RAW files
Min boosted ISO - 50
Autofocusing
Manual focusing
Touch to focus
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Lens
Lens mount type fixed lens Sigma SA
Lens zoom range 28-140mm (5.0x) -
Largest aperture f/3.9-5.4 -
Macro focusing range 3cm -
Available lenses - 76
Focal length multiplier 5.8 1.7
Screen
Type of display Fixed Type Fixed Type
Display diagonal 2.7 inches 3 inches
Resolution of display 230 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 96%
Viewfinder magnification - 0.6x
Features
Slowest shutter speed 8s 30s
Maximum shutter speed 1/2000s 1/4000s
Continuous shooting rate 1.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash distance 3.50 m -
Flash options Auto, On, Off, Red-Eye, Slow Sync -
External flash
AEB
White balance bracketing
Maximum flash synchronize - 1/180s
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) -
Maximum video resolution 1280x720 None
Video data format 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 156 gr (0.34 lb) 750 gr (1.65 lb)
Physical dimensions 100 x 55 x 21mm (3.9" x 2.2" x 0.8") 144 x 107 x 81mm (5.7" x 4.2" x 3.2")
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 ID DB-100 -
Self timer Yes (2, 10 or Custom) Yes (10 sec)
Time lapse recording
Storage type SD/SDHC card, Internal SD/SDHC card
Card slots One One
Price at launch $329 $1,500