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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Sigma SD10 front
Portability
54
Imaging
39
Features
27
Overall
34

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Key Specs

Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200
  • 1280 x 720 video
  • 28mm (F2.5) lens
  • 140g - 113 x 70 x 56mm
  • Announced September 2010
Sigma SD10
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 800 (Boost to 1600)
  • 1/6000s Max Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Introduced March 2004
  • Older Model is Sigma SD9
  • Renewed by Sigma SD14
Photography Glossary

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Overview

Here is a detailed assessment of the Ricoh GXR GR Lens A12 28mm F2.5 versus Sigma SD10, one being a Advanced Mirrorless and the other is a Advanced DSLR by brands Ricoh and Sigma. There is a sizeable difference between the sensor resolutions of the GXR GR Lens A12 28mm F2.5 (12MP) and SD10 (3MP) but they feature the same exact sensor sizing (APS-C).

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The GXR GR Lens A12 28mm F2.5 was manufactured 6 years later than the SD10 and that is quite a large gap as far as tech is concerned. Both the cameras offer different body type with the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera and the Sigma SD10 being a Mid-size SLR camera.

Before we go in to a more detailed comparison, below is a brief summation of how the GXR GR Lens A12 28mm F2.5 grades against the SD10 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Sigma SD10

 GXR GR Lens A12 28mm F2.5 SD10 
IntroducedSeptember 2010March 2004Fresher by 80 months
Display sizing3"1.8"Larger display (+1.2")
Display resolution920k130kSharper display (+790k dot)

Reasons to pick Sigma SD10 over the Ricoh GXR GR Lens A12 28mm F2.5

 SD10 GXR GR Lens A12 28mm F2.5 

Common features in the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma SD10

 GXR GR Lens A12 28mm F2.5 SD10 
Focus manually Dial precise focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither comes with selfie screen
Touch friendly display Neither comes with Touch friendly display

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Physical Comparison

If you are going to carry your camera often, you should factor in its weight and dimensions. The Ricoh GXR GR Lens A12 28mm F2.5 comes with outer measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") with a weight of 140 grams (0.31 lbs) whilst the Sigma SD10 has dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") having a weight of 950 grams (2.09 lbs).

Examine the Ricoh GXR GR Lens A12 28mm F2.5 versus Sigma SD10 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing at that time. Below is the front view dimensions comparison of the GXR GR Lens A12 28mm F2.5 against the SD10.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 size comparison

Considering size and weight, the portability grade of the GXR GR Lens A12 28mm F2.5 and SD10 is 88 and 54 respectively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 top view buttons comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Sensor Comparison

Usually, it is very hard to visualize the gap between sensor sizing simply by going over specs. The visual below will offer you a far better sense of the sensor sizing in the GXR GR Lens A12 28mm F2.5 and SD10.

As you can plainly see, both the cameras offer the same exact sensor sizing but different MP. You should anticipate the Ricoh GXR GR Lens A12 28mm F2.5 to offer you more detail due to its extra 9MP. Greater resolution can also help you crop pics a little more aggressively. The newer GXR GR Lens A12 28mm F2.5 provides a benefit when it comes to sensor innovation.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 sensor size comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Screen and ViewFinder

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography advice
Sigma SD10 Portrait photography advice
57
has manual focus
sensor size is decent (APS-C)
has face detect focusing
delivers RAW formats
no liveview feature
megapixel count low (12 megapixels)
47
has manual focus
sensor size is good (APS-C)
supports RAW formats
does not have liveview
sensor resolution low (3 megapixels)
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Street Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Street photography information
Sigma SD10 Street photography information
70
sensor size is decent (APS-C)
delivers RAW formats
lighter than competitors in class (140g)
screen is fixed
does not have image stabilization
43
sensor size is good (APS-C)
supports RAW formats
no moving screen
lack of image stabilization
heavier than competition (950 grams)
maximum ISO low (800)
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Sports Comparison

Sports photography with Ricoh GXR GR Lens A12 28mm F2.5
Sports photography with Sigma SD10
32
sensor size is decent (APS-C)
can't change focal length (28mm)
no liveview feature
painfully slow continuous shooting (5.0 frames/s)
does not have image stabilization
megapixel count low (12MP)
terrible battery life (320 CIPA)
does not have phase detect AF
36
high shutter speed (1/6,000s)
sensor size is good (APS-C)
does not have liveview
lack of image stabilization
sensor resolution low (3MP)
no phase detect AF
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Travel Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Travel photography info
Sigma SD10 Travel photography info
58
lighter than competitors in class (140 grams)
has built in flash
terrible battery life (320 CIPA)
megapixel count low (12 megapixels)
does not have a selfie friendly display
slow max aperture (f2.5)
29
missing Time Lapse function
heavier than competition (950g)
sensor resolution low (3MP)
display is not selfie friendly
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Landscape Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Landscape photography camera
Sigma SD10 as a Landscape photography camera
47
has manual focus
screen size is good (3")
sensor size is decent (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
can't change focal length (28mm)
slow max aperture (f2.5)
no liveview feature
does not have image stabilization
megapixel count low (12MP)
terrible battery life (320 per charge)
41
has manual focus
interchangeable lenses (Sigma SA mount)
sensor size is good (APS-C)
supports RAW formats
screen is small (1.8")
does not have liveview
lack of image stabilization
sensor resolution low (3 megapixels)
maximum ISO low (800)
missing Time Lapse function
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Vlogging Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Vlogging advice
Sigma SD10 Vlogging advice
28
has face detect focusing
lighter than competitors in class (140 grams)
slow max aperture (f2.5)
does not have a selfie friendly display
does not have image stabilization
low res video (1280 x 720 pxls)
lack of microphone support
9
no video
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD10 Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Sigma SD10
 Ricoh GXR GR Lens A12 28mm F2.5Sigma SD10
General Information
Brand Name Ricoh Sigma
Model type Ricoh GXR GR Lens A12 28mm F2.5 Sigma SD10
Category Advanced Mirrorless Advanced DSLR
Announced 2010-09-21 2004-03-19
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Processor 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 area 370.5mm² 285.7mm²
Sensor resolution 12MP 3MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4288 x 2848 2268 x 1512
Maximum native ISO 3200 800
Maximum enhanced ISO - 1600
Min native ISO 200 100
RAW format
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens mount type fixed lens Sigma SA
Lens zoom range 28mm (1x) -
Max aperture f/2.5 -
Total lenses - 76
Crop factor 1.5 1.7
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3 inches 1.8 inches
Display resolution 920 thousand dots 130 thousand dots
Selfie friendly
Liveview
Touch capability
Display technology TFT color LCD -
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.77x
Features
Min shutter speed 180s 30s
Max shutter speed 1/3200s 1/6000s
Continuous shutter rate 5.0 frames/s -
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance - no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual -
Hot shoe
Auto exposure bracketing
WB bracketing
Max flash synchronize - 1/180s
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 format MPEG-4 -
Mic support
Headphone support
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 140g (0.31 lb) 950g (2.09 lb)
Dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 152 x 120 x 79mm (6.0" x 4.7" x 3.1")
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 life 320 shots -
Battery style Battery Pack -
Battery ID DB-90 -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (10 sec)
Time lapse feature
Storage type SD/SDHC, Internal Compact Flash Type I or II
Card slots 1 1
Retail price $566 $198