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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Sigma SD14 front
Portability
59
Imaging
42
Features
30
Overall
37

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 Key Specs

Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200
  • 1280 x 720 video
  • 28mm (F2.5) lens
  • 140g - 113 x 70 x 56mm
  • Introduced September 2010
Sigma SD14
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800 (Expand to 1600)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Revealed September 2006
  • Older Model is Sigma SD10
  • Refreshed by Sigma SD15
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 Overview

Let's look more closely at the Ricoh GXR GR Lens A12 28mm F2.5 versus Sigma SD14, one being a Advanced Mirrorless and the latter is a Advanced DSLR by companies Ricoh and Sigma. There is a huge difference between the resolutions of the GXR GR Lens A12 28mm F2.5 (12MP) and SD14 (5MP) but both cameras have the identical sensor dimensions (APS-C).

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The GXR GR Lens A12 28mm F2.5 was brought out 4 years later than the SD14 and that is quite a significant gap as far as tech is concerned. Each of the cameras feature different body design with the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera and the Sigma SD14 being a Mid-size SLR camera.

Before diving right into a in depth comparison, here is a concise overview of how the GXR GR Lens A12 28mm F2.5 scores vs the SD14 in regards 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 SD14

 GXR GR Lens A12 28mm F2.5 SD14 
RevealedSeptember 2010September 2006Fresher by 49 months
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution920k150kClearer screen (+770k dot)

Reasons to pick Sigma SD14 over the Ricoh GXR GR Lens A12 28mm F2.5

 SD14 GXR GR Lens A12 28mm F2.5 

Common features in the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma SD14

 GXR GR Lens A12 28mm F2.5 SD14 
Manually focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither includes selfie screen
Touch screen Missing Touch screen

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 Physical Comparison

In case you're aiming to carry your camera frequently, you will need to think about its weight and volume. The Ricoh GXR GR Lens A12 28mm F2.5 features outside measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") having a weight of 140 grams (0.31 lbs) while the Sigma SD14 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 out the Ricoh GXR GR Lens A12 28mm F2.5 versus Sigma SD14 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that time. The following is a front view proportions comparison of the GXR GR Lens A12 28mm F2.5 vs the SD14.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 size comparison

Factoring in size and weight, the portability grade of the GXR GR Lens A12 28mm F2.5 and SD14 is 88 and 59 respectively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 top view buttons comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 Sensor Comparison

Oftentimes, its tough to visualize the difference between sensor sizing simply by going over technical specs. The visual here will give you a better sense of the sensor measurements in the GXR GR Lens A12 28mm F2.5 and SD14.

As you have seen, both the cameras come with the identical sensor size albeit different MP. You should expect the Ricoh GXR GR Lens A12 28mm F2.5 to deliver more detail having its extra 7 Megapixels. Higher resolution can also allow you to crop photographs a good deal more aggressively. The newer GXR GR Lens A12 28mm F2.5 should have an edge when it comes to sensor technology.

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 sensor size comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 Screen and ViewFinder

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 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 SD14
57
focusing manually
good sensor size (APS-C)
supports face detect focusing
supports RAW formats
no liveview
MP count low (12 megapixels)
49
focusing manually
nice sensor size (APS-C)
exports RAW formats
no liveview
MP count low (5 megapixels)
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Street Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Street photography details
Sigma SD14 Street photography details
70
good sensor size (APS-C)
supports RAW formats
lighter than others (140 grams)
screen does not articulate
does not have image stabilization
48
nice sensor size (APS-C)
exports RAW formats
fixed screen
does not have image stabilization
low max ISO (800)
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Sports Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Sports photography camera
Sigma SD14 as a Sports photography camera
32
good sensor size (APS-C)
fixed focal length (28mm)
no liveview
max fps very slow (5.0 frames/s)
does not have image stabilization
MP count low (12MP)
not so great battery pack (320 CIPA)
lacks phase detect AF
29
nice sensor size (APS-C)
no liveview
slow continuous shooting (3.0 fps)
does not have image stabilization
MP count low (5 megapixels)
lacks phase detect AF
Photography Glossary

Travel Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Travel photography factors
Sigma SD14 Travel photography factors
58
lighter than others (140 grams)
flash built-in
not so great battery pack (320 CIPA)
MP count low (12 megapixels)
screen is not selfie friendly
sluggish maximum aperture (f2.5)
42
built-in flash
does not have Time Lapse recording
MP count low (5MP)
screen is not selfie friendly
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Landscape Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Landscape photography details
Sigma SD14 Landscape photography details
47
focusing manually
screen is a decent size (3")
good sensor size (APS-C)
supports RAW formats
can't change lenses (fixed lens mount)
fixed focal length (28mm)
sluggish maximum aperture (f2.5)
no liveview
does not have image stabilization
MP count low (12 megapixels)
not so great battery pack (320 CIPA)
42
focusing manually
change lenses (Sigma SA mount)
nice sensor size (APS-C)
exports RAW formats
small screen (2.5")
no liveview
does not have image stabilization
MP count low (5 megapixels)
low max ISO (800)
does not have Time Lapse recording
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Vlogging Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Vlogging camera
Sigma SD14 as a Vlogging camera
28
supports face detect focusing
lighter than others (140g)
sluggish maximum aperture (f2.5)
screen is not selfie friendly
does not have image stabilization
video quality not great (1280 x 720 resolution)
lack of microphone support
9
no video recording
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma SD14 Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Sigma SD14
 Ricoh GXR GR Lens A12 28mm F2.5Sigma SD14
General Information
Brand Name Ricoh Sigma
Model type Ricoh GXR GR Lens A12 28mm F2.5 Sigma SD14
Type Advanced Mirrorless Advanced DSLR
Introduced 2010-09-21 2006-09-26
Body design Rangefinder-style mirrorless Mid-size SLR
Sensor Information
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 surface area 370.5mm² 285.7mm²
Sensor resolution 12 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest resolution 4288 x 2848 2640 x 1760
Highest native ISO 3200 800
Highest boosted ISO - 1600
Minimum native ISO 200 100
RAW support
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens support fixed lens Sigma SA
Lens zoom range 28mm (1x) -
Highest aperture f/2.5 -
Amount of lenses - 76
Crop factor 1.5 1.7
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3 inch 2.5 inch
Resolution of screen 920 thousand dot 150 thousand dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT color LCD -
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.6x
Features
Lowest shutter speed 180 seconds 30 seconds
Highest shutter speed 1/3200 seconds 1/4000 seconds
Continuous shooting speed 5.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual -
Hot shoe
AEB
White balance bracketing
Highest flash sync - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) -
Highest video resolution 1280x720 None
Video file format MPEG-4 -
Mic jack
Headphone jack
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 140g (0.31 pounds) 750g (1.65 pounds)
Physical dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 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 life 320 photos -
Battery form Battery Pack -
Battery ID DB-90 -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (10 sec)
Time lapse recording
Type of storage SD/SDHC, Internal Compact Flash Type I or II
Storage slots Single Single
Price at launch $566 $198