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Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90

Portability
88
Imaging
52
Features
37
Overall
46
Ricoh GXR GR Lens A12 28mm F2.5 front
 
Samsung ST90 front
Portability
99
Imaging
37
Features
19
Overall
29

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 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
Samsung ST90
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 0 - 0
  • 1280 x 720 video
  • ()mm (F) lens
  • n/ag - 92 x 53 x 17mm
  • Launched January 2011
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Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 Overview

Lets take a closer look at the Ricoh GXR GR Lens A12 28mm F2.5 and Samsung ST90, one being a Advanced Mirrorless and the latter is a Ultracompact by brands Ricoh and Samsung. The resolution of the GXR GR Lens A12 28mm F2.5 (12MP) and the ST90 (14MP) is relatively comparable but the GXR GR Lens A12 28mm F2.5 (APS-C) and ST90 (1/2.3") enjoy different sensor sizing.

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The GXR GR Lens A12 28mm F2.5 was launched 4 months prior to the ST90 which means that they are both of a similar generation. Both cameras offer different body type with the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera and the Samsung ST90 being a Ultracompact camera.

Before going straight into a more detailed comparison, below is a simple overview of how the GXR GR Lens A12 28mm F2.5 scores against the ST90 when considering portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Samsung ST90

 GXR GR Lens A12 28mm F2.5 ST90 
Focus manually More accurate focusing
Screen resolution920k460kSharper screen (+460k dot)

Reasons to pick Samsung ST90 over the Ricoh GXR GR Lens A12 28mm F2.5

 ST90 GXR GR Lens A12 28mm F2.5 

Common features in the Ricoh GXR GR Lens A12 28mm F2.5 and Samsung ST90

 GXR GR Lens A12 28mm F2.5 ST90 
LaunchedSeptember 2010January 2011Same generation
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen measurement
Selfie screen Absent selfie screen
Touch friendly screen Absent Touch friendly screen

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 Physical Comparison

For those who are going to lug around your camera frequently, you will need to consider its weight and volume. The Ricoh GXR GR Lens A12 28mm F2.5 enjoys exterior measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") and a weight of 140 grams (0.31 lbs) whilst the Samsung ST90 has sizing of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") with a weight of n/a grams (0.00 lbs).

Examine the Ricoh GXR GR Lens A12 28mm F2.5 and Samsung ST90 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at the time. Following is the front view sizing comparison of the GXR GR Lens A12 28mm F2.5 and the ST90.

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 size comparison

Factoring in dimensions and weight, the portability score of the GXR GR Lens A12 28mm F2.5 and ST90 is 88 and 99 respectively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 top view buttons comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 Sensor Comparison

Normally, it can be difficult to imagine the difference in sensor measurements purely by checking out specs. The photograph underneath may give you a stronger sense of the sensor sizing in the GXR GR Lens A12 28mm F2.5 and ST90.

All in all, each of the cameras offer different megapixels and different sensor measurements. The GXR GR Lens A12 28mm F2.5 because of its bigger sensor is going to make achieving bokeh less difficult and the Samsung ST90 will produce greater detail utilizing its extra 2 Megapixels. Higher resolution will also make it easier to crop pictures a little more aggressively.

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 sensor size comparison

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 Screen and ViewFinder

Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography details
Samsung ST90 Portrait photography details
57
you can focus manually
nice sensor size (APS-C)
supports face detect focusing
exports RAW formats
no liveview
low megapixels (12 megapixels)
28
megapixel count good (14 megapixels)
lack of manual focus
no manual control
can't use external flash
small sensor size (1/2.3")
no RAW support
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Street Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Street photography highlights
Samsung ST90 Street photography highlights
70
nice sensor size (APS-C)
exports RAW formats
lighter than competitors in class (140g)
no moving screen
does not have image stabilization
49
screen does not articulate
lack of image stabilization
small sensor size (1/2.3")
no RAW support
low max ISO (0)
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Sports Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Sports photography factors
Samsung ST90 Sports photography factors
32
nice sensor size (APS-C)
can't change focal length (28mm)
no liveview
very slow continuous shooting (5.0 fps)
does not have image stabilization
low megapixels (12 megapixels)
low battery power (320 per charge)
does not have phase detect AF
26
megapixel count good (14MP)
can't change focal length (()mm)
lack of shutter priority mode
lack of image stabilization
small sensor size (1/2.3")
no phase detect autofocus
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Travel Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Travel photography information
Samsung ST90 Travel photography information
58
lighter than competitors in class (140 grams)
has built in flash
low battery power (320 per charge)
low megapixels (12MP)
doesn't have a selfie friendly display
somewhat slow max aperture (f2.5)
71
megapixel count good (14MP)
built-in flash
very good maximum aperture (f)
no Timelapse mode
display isn't selfie friendly
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Landscape Comparison

Ricoh GXR GR Lens A12 28mm F2.5 Landscape photography features
Samsung ST90 Landscape photography features
47
you can focus manually
screen size is good (3 inch)
nice sensor size (APS-C)
exports RAW formats
lens is fixed (fixed lens mount)
can't change focal length (28mm)
somewhat slow max aperture (f2.5)
no liveview
does not have image stabilization
low megapixels (12 megapixels)
low battery power (320 per charge)
37
very good maximum aperture (f)
screen size is good (3 inches)
megapixel count good (14MP)
lack of manual focus
cannot switch lens (fixed lens mount)
can't change focal length (()mm)
no manual control
lack of image stabilization
small sensor size (1/2.3")
low max ISO (0)
no RAW support
no Timelapse mode
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Vlogging Comparison

Vlogging with Ricoh GXR GR Lens A12 28mm F2.5
Vlogging with Samsung ST90
28
supports face detect focusing
lighter than competitors in class (140 grams)
somewhat slow max aperture (f2.5)
doesn't have a selfie friendly display
does not have image stabilization
low res video (1280 x 720 pixels)
doesn't have mic support
27
very good maximum aperture (f)
display isn't selfie friendly
lack of image stabilization
video quality not great (1280 x 720 pixels)
no external microphone port
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Ricoh GXR GR Lens A12 28mm F2.5 vs Samsung ST90 Specifications

Detailed spec comparison table for Ricoh GXR GR Lens A12 28mm F2.5 and Samsung ST90
 Ricoh GXR GR Lens A12 28mm F2.5Samsung ST90
General Information
Brand Ricoh Samsung
Model Ricoh GXR GR Lens A12 28mm F2.5 Samsung ST90
Class Advanced Mirrorless Ultracompact
Announced 2010-09-21 2011-01-19
Body design Rangefinder-style mirrorless Ultracompact
Sensor Information
Powered by GR Engine III -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.6 x 15.7mm 6.16 x 4.62mm
Sensor area 370.5mm² 28.5mm²
Sensor resolution 12 megapixel 14 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Peak resolution 4288 x 2848 4608 x 3456
Highest native ISO 3200 -
Min native ISO 200 -
RAW support
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens mount fixed lens fixed lens
Lens focal range 28mm (1x) ()
Maximum aperture f/2.5 -
Focal length multiplier 1.5 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inch 3 inch
Display resolution 920k dot 460k dot
Selfie friendly
Liveview
Touch function
Display tech TFT color LCD -
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Min shutter speed 180s 8s
Max shutter speed 1/3200s 1/2000s
Continuous shutter speed 5.0 frames/s -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Manual -
External flash
Auto exposure bracketing
WB bracketing
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) 1280 x 720
Highest video resolution 1280x720 1280x720
Video format MPEG-4 -
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 140 gr (0.31 pounds) -
Dimensions 113 x 70 x 56mm (4.4" x 2.8" x 2.2") 92 x 53 x 17mm (3.6" x 2.1" x 0.7")
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 -
Type of battery Battery Pack -
Battery model DB-90 -
Self timer Yes (2 or 10 sec, 10 sec (3 images) ) -
Time lapse feature
Type of storage SD/SDHC, Internal -
Storage slots One One
Retail price $566 $150