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

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Sigma sd Quattro front
Portability
63
Imaging
69
Features
56
Overall
63

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma Quattro 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
  • Released September 2010
Sigma Quattro
(Full Review)
  • 29MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sigma SA Mount
  • 625g - 147 x 95 x 91mm
  • Announced February 2016
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma Quattro Overview

Following is a extensive review of the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma Quattro, both Advanced Mirrorless cameras by companies Ricoh and Sigma. There is a considerable difference among the sensor resolutions of the GXR GR Lens A12 28mm F2.5 (12MP) and Quattro (29MP) but both cameras have the identical sensor sizes (APS-C).

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The GXR GR Lens A12 28mm F2.5 was introduced 6 years earlier than the Quattro which is a fairly large difference as far as camera tech is concerned. Each of the cameras feature the same body design (Rangefinder-style mirrorless).

Before getting right into a complete comparison, here is a simple overview of how the GXR GR Lens A12 28mm F2.5 scores vs the Quattro when it comes to portability, imaging, features and an overall score.

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

 GXR GR Lens A12 28mm F2.5 Quattro 

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

 Quattro GXR GR Lens A12 28mm F2.5 
AnnouncedFebruary 2016September 2010More modern by 66 months
Display resolution1620k920kCrisper display (+700k dot)

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

 GXR GR Lens A12 28mm F2.5 Quattro 
Manually focus Very exact focus
Display typeFixed Fixed Fixed display
Display size3"3"Same display dimensions
Selfie screen Lack of selfie screen
Touch friendly display Lack of Touch friendly display

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

If you're aiming to carry around your camera, you will need to think about its weight and proportions. The Ricoh GXR GR Lens A12 28mm F2.5 comes with external measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") having a weight of 140 grams (0.31 lbs) whilst the Sigma Quattro has measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") and a weight of 625 grams (1.38 lbs).

Check the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma Quattro in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary dependant on the lens you are using at that moment. The following is a front view scale comparison of the GXR GR Lens A12 28mm F2.5 compared to the Quattro.

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

Considering size and weight, the portability rating of the GXR GR Lens A12 28mm F2.5 and Quattro is 88 and 63 respectively.

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

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

Oftentimes, its hard to picture the contrast in sensor sizes purely by researching a spec sheet. The picture underneath will provide you a stronger sense of the sensor sizing in the GXR GR Lens A12 28mm F2.5 and Quattro.

As you can see, both of those cameras come with the identical sensor size but different megapixels. You can expect to see the Sigma Quattro to render more detail using its extra 17MP. Greater resolution will let you crop images a good deal more aggressively. The more aged GXR GR Lens A12 28mm F2.5 will be disadvantaged with regard to sensor innovation.

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

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

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

Portrait Comparison

Portrait photography with Ricoh GXR GR Lens A12 28mm F2.5
Portrait photography with Sigma Quattro
57
has manual focus
sensor size is decent (APS-C)
includes face detect autofocus
saves RAW formats
no liveview
sensor resolution low (12 megapixels)
81
manual focus
resolution is excellent (29 megapixels)
sensor size is nice (APS-C)
includes face detect focus
exports RAW formats
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Street Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Street photography advice
Sigma Quattro Street photography advice
70
sensor size is decent (APS-C)
saves RAW formats
lighter than competition in class (140 grams)
no moving screen
does not have image stabilization
59
sensor size is nice (APS-C)
exports RAW formats
environment sealing
screen is fixed
no image stabilization
heavier than competitors in class (625 grams)
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Sports Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Sports photography camera
Sigma Quattro as a Sports photography camera
32
sensor size is decent (APS-C)
focal length is fixed (28mm)
no liveview
slow fps (5.0 fps)
does not have image stabilization
sensor resolution low (12MP)
not so great battery (320 CIPA)
lacks phase detect autofocus
70
resolution is excellent (29 megapixels)
sensor size is nice (APS-C)
includes tracking focus
environment sealing
sensor has phase detect auto focus
continuous shooting slow (3.8 fps)
no image stabilization
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Travel Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Travel photography information
Sigma Quattro Travel photography information
58
lighter than competition in class (140 grams)
has built in flash
not so great battery (320 shots)
sensor resolution low (12 megapixels)
doesn't offer selfie friendly screen
sluggish maximum aperture (f2.5)
55
environment sealing
resolution is excellent (29MP)
does not have Time Lapse mode
heavier than competitors in class (625 grams)
doesn't contain selfie friendly display
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Landscape Comparison

Landscape photography with Ricoh GXR GR Lens A12 28mm F2.5
Landscape photography with Sigma Quattro
47
has manual focus
nice screen size (3 inches)
sensor size is decent (APS-C)
saves RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
sluggish maximum aperture (f2.5)
no liveview
does not have image stabilization
sensor resolution low (12 megapixels)
not so great battery (320 per charge)
72
manual focus
interchangeable lenses (Sigma SA mount)
screen size is good (3 inches)
resolution is excellent (29MP)
sensor size is nice (APS-C)
exports RAW formats
environment sealing
no image stabilization
does not have Time Lapse mode
Photography Glossary

Vlogging Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Vlogging camera
Sigma Quattro as a Vlogging camera
28
includes face detect autofocus
lighter than competition in class (140g)
sluggish maximum aperture (f2.5)
doesn't offer selfie friendly screen
does not have image stabilization
video quality not great (1280 x 720 pixels)
doesn't have microphone support
22
includes face detect focus
doesn't contain selfie friendly display
no image stabilization
low quality video ( pixels)
does not have mic port
heavier than competitors in class (625 grams)
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma Quattro Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Sigma Quattro
 Ricoh GXR GR Lens A12 28mm F2.5Sigma sd Quattro
General Information
Company Ricoh Sigma
Model type Ricoh GXR GR Lens A12 28mm F2.5 Sigma sd Quattro
Category Advanced Mirrorless Advanced Mirrorless
Released 2010-09-21 2016-02-23
Body design Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Chip GR Engine III Dual TRUE III
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor dimensions 23.6 x 15.7mm 23.5 x 15.6mm
Sensor area 370.5mm² 366.6mm²
Sensor resolution 12 megapixel 29 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 4288 x 2848 5424 x 3616
Max native ISO 3200 6400
Minimum native ISO 200 100
RAW images
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points - 9
Lens
Lens support fixed lens Sigma SA
Lens zoom range 28mm (1x) -
Maximum aperture f/2.5 -
Total lenses - 76
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3" 3"
Resolution of display 920k dot 1,620k dot
Selfie friendly
Liveview
Touch friendly
Display technology TFT color LCD -
Viewfinder Information
Viewfinder type Electronic (optional) Electronic
Viewfinder resolution - 2,360k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 180s 30s
Highest shutter speed 1/3200s 1/4000s
Continuous shooting speed 5.0 frames per sec 3.8 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual no built-in flash
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) -
Max video resolution 1280x720 -
Video file format MPEG-4 -
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 140 gr (0.31 lbs) 625 gr (1.38 lbs)
Physical dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 147 x 95 x 91mm (5.8" x 3.7" x 3.6")
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 life 320 photos -
Style of battery Battery Pack -
Battery ID DB-90 BP-61
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes
Time lapse feature
Storage media SD/SDHC, Internal SD/SDHC/SDXC
Storage slots Single Single
Retail price $566 $738