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

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Sigma fp front
Portability
84
Imaging
76
Features
79
Overall
77

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma fp 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
  • Revealed September 2010
Sigma fp
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Fixed Display
  • ISO 100 - 25600 (Raise to 102400)
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 422g - 113 x 70 x 45mm
  • Revealed July 2019
  • New Model is Sigma fp L
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma fp Overview

Here, we are evaluating the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma fp, both Advanced Mirrorless cameras by competitors Ricoh and Sigma. There is a considerable difference among the sensor resolutions of the GXR GR Lens A12 28mm F2.5 (12MP) and fp (25MP) and the GXR GR Lens A12 28mm F2.5 (APS-C) and fp (Full frame) provide different sensor sizes.

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The GXR GR Lens A12 28mm F2.5 was brought out 9 years prior to the fp which is a fairly large difference as far as camera tech is concerned. The two cameras feature the same body design (Rangefinder-style mirrorless).

Before going straight to a step-by-step comparison, here is a simple overview of how the GXR GR Lens A12 28mm F2.5 grades vs the fp for portability, imaging, features and an overall mark.

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

 GXR GR Lens A12 28mm F2.5 fp 

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

 fp GXR GR Lens A12 28mm F2.5 
RevealedJuly 2019September 2010Newer by 107 months
Display size3.2"3"Larger display (+0.2")
Display resolution2100k920kCrisper display (+1180k dot)
Touch friendly display Easily navigate

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

 GXR GR Lens A12 28mm F2.5 fp 
Manual focus Very exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither comes with selfie screen

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

For anybody who is looking to travel with your camera frequently, you will want to factor in its weight and proportions. The Ricoh GXR GR Lens A12 28mm F2.5 comes with exterior measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") along with a weight of 140 grams (0.31 lbs) while the Sigma fp has measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") and a weight of 422 grams (0.93 lbs).

See the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma fp in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ dependant on the lens you use at the time. The following is a front view overall size comparison of the GXR GR Lens A12 28mm F2.5 compared to the fp.

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

Considering size and weight, the portability score of the GXR GR Lens A12 28mm F2.5 and fp is 88 and 84 respectively.

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

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

Oftentimes, it can be difficult to visualize the difference in sensor dimensions purely by researching specs. The pic underneath might offer you a far better sense of the sensor sizing in the GXR GR Lens A12 28mm F2.5 and fp.

All in all, the 2 cameras come with different megapixels and different sensor dimensions. The GXR GR Lens A12 28mm F2.5 because of its smaller sensor is going to make shooting shallower depth of field more difficult and the Sigma fp will provide you with extra detail having its extra 13MP. Greater resolution will make it easier to crop photos a good deal more aggressively. The more aged GXR GR Lens A12 28mm F2.5 will be behind when it comes to sensor innovation.

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

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

Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma fp 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 fp Portrait photography advice
57
you can focus manually
good sensor size (APS-C)
includes face detect focus
exports RAW files
doesn't have liveview
low resolution sensor (12 megapixels)
85
focusing manually
sensor resolution is amazing (25MP)
large sensor size (Full frame)
comes with face detection focusing
delivers RAW files
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Street Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Street photography advice
Sigma fp Street photography advice
70
good sensor size (APS-C)
exports RAW files
lighter than competition in class (140g)
screen is fixed
does not have image stabilization
77
large sensor size (Full frame)
delivers RAW files
includes touch to focus
environment sealing
above average high ISO (25,600)
screen does not articulate
lack of image stabilization
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Sports Comparison

Ricoh GXR GR Lens A12 28mm F2.5 as a Sports photography camera
Sigma fp as a Sports photography camera
32
good sensor size (APS-C)
focal length is fixed (28mm)
doesn't have liveview
very slow continuous shooting (5.0 fps)
does not have image stabilization
low resolution sensor (12MP)
bad battery power (320 per charge)
lacks phase detect auto focus
73
maximum shutter speed is high (1/8,000 seconds)
sensor resolution is amazing (25 megapixels)
large sensor size (Full frame)
comes with tracking autofocus
environment sealing
lack of image stabilization
no phase detect AF
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Travel Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Travel photography factors
Sigma fp Travel photography factors
58
lighter than competition in class (140g)
flash built-in
bad battery power (320 CIPA)
low resolution sensor (12MP)
doesn't feature selfie friendly screen
somewhat slow max aperture (f2.5)
78
environment sealing
includes touch to focus
sensor resolution is amazing (25MP)
does not offer selfie friendly screen
Photography Glossary

Landscape Comparison

Landscape photography with Ricoh GXR GR Lens A12 28mm F2.5
Landscape photography with Sigma fp
47
you can focus manually
screen size is good (3 inches)
good sensor size (APS-C)
exports RAW files
cannot switch lenses (fixed lens mount)
focal length is fixed (28mm)
somewhat slow max aperture (f2.5)
doesn't have liveview
does not have image stabilization
low resolution sensor (12 megapixels)
bad battery power (320 shots)
83
focusing manually
swap lenses (Leica L mount)
screen size is decent (3.2 inches)
sensor resolution is amazing (25 megapixels)
large sensor size (Full frame)
above average high ISO (25,600)
delivers RAW files
environment sealing
lack of image stabilization
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Vlogging Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Vlogging info
Sigma fp Vlogging info
28
includes face detect focus
lighter than competition in class (140 grams)
somewhat slow max aperture (f2.5)
doesn't feature selfie friendly screen
does not have image stabilization
low res video (1280 x 720 pxls)
does not have mic port
37
touchscreen enabled
comes with face detection focusing
high quality video (3840 x 2160 resolution)
has external mic socket
does not offer selfie friendly screen
lack of image stabilization
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Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma fp Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Sigma fp
 Ricoh GXR GR Lens A12 28mm F2.5Sigma fp
General Information
Brand Ricoh Sigma
Model Ricoh GXR GR Lens A12 28mm F2.5 Sigma fp
Class Advanced Mirrorless Advanced Mirrorless
Revealed 2010-09-21 2019-07-11
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Powered by GR Engine III -
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.6 x 15.7mm 35.9 x 23.9mm
Sensor area 370.5mm² 858.0mm²
Sensor resolution 12MP 25MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Max resolution 4288 x 2848 6000 x 4000
Max native ISO 3200 25600
Max enhanced ISO - 102400
Lowest native ISO 200 100
RAW photos
Lowest enhanced ISO - 6
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points - 49
Lens
Lens mounting type fixed lens Leica L
Lens focal range 28mm (1x) -
Maximal aperture f/2.5 -
Number of lenses - 30
Focal length multiplier 1.5 1
Screen
Screen type Fixed Type Fixed Type
Screen size 3" 3.2"
Screen resolution 920 thousand dots 2,100 thousand dots
Selfie friendly
Liveview
Touch function
Screen technology TFT color LCD -
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Minimum shutter speed 180 seconds 30 seconds
Fastest shutter speed 1/3200 seconds 1/8000 seconds
Continuous shutter rate 5.0fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range - no built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) 3840 x 2160 @ 30p, MOV, H.264, Linear PCM
Max video resolution 1280x720 3840x2160
Video data format MPEG-4 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless None No
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 140 grams (0.31 pounds) 422 grams (0.93 pounds)
Physical dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 113 x 70 x 45mm (4.4" x 2.8" x 1.8")
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 life 320 images -
Battery type Battery Pack -
Battery model DB-90 BP-51
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) Yes (2 or 10 wec)
Time lapse recording
Type of storage SD/SDHC, Internal SD/SDHC/SDXC (UHS-II supported)
Card slots One One
Launch pricing $566 $2,050