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Ricoh GR III vs Sony A900

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
66
Features
62
Overall
64

Ricoh GR III vs Sony A900 Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Released September 2018
  • Replaced the Ricoh GR III
  • Replacement is Ricoh GR III
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced October 2008
  • Later Model is Sony A99
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Ricoh GR III vs Sony A900 Overview

On this page, we are matching up the Ricoh GR III vs Sony A900, one is a Large Sensor Compact and the other is a Advanced DSLR by competitors Ricoh and Sony. The sensor resolution of the GR III (24MP) and the A900 (25MP) is fairly similar but the GR III (APS-C) and A900 (Full frame) have totally different sensor sizes.

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The GR III was released 10 years after the A900 which is quite a large gap as far as technology is concerned. Each of the cameras have different body design with the Ricoh GR III being a Large Sensor Compact camera and the Sony A900 being a Mid-size SLR camera.

Before getting into a full comparison, here is a brief overview of how the GR III scores versus the A900 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR III over the Sony A900

 GR III A900 
AnnouncedSeptember 2018October 2008Newer by 121 months
Display resolution1037k922kSharper display (+115k dot)
Touch display Easily navigate

Reasons to pick Sony A900 over the Ricoh GR III

 A900 GR III 

Common features in the Ricoh GR III and Sony A900

 GR III A900 
Manual focus Very precise focusing
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display dimensions
Selfie screen No selfie screen

Ricoh GR III vs Sony A900 Physical Comparison

For anybody who is going to travel with your camera regularly, you will have to consider its weight and dimensions. The Ricoh GR III has got physical measurements of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") having a weight of 257 grams (0.57 lbs) while the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).

Look at the Ricoh GR III vs Sony A900 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at the time. Here is a front view dimensions comparison of the GR III and the A900.

Ricoh GR III vs Sony A900 size comparison

Using dimensions and weight, the portability score of the GR III and A900 is 90 and 54 respectively.

Ricoh GR III vs Sony A900 top view buttons comparison

Ricoh GR III vs Sony A900 Sensor Comparison

Quite often, its difficult to visualise the gap between sensor dimensions just by going over technical specs. The pic below should provide you a clearer sense of the sensor measurements in the GR III and A900.

As you have seen, the two cameras provide different megapixel count and different sensor dimensions. The GR III because of its tinier sensor will make shooting bokeh tougher and the Sony A900 will deliver extra detail as a result of its extra 1MP. Greater resolution will also enable you to crop photos more aggressively. The fresher GR III will have an advantage when it comes to sensor tech.

Ricoh GR III vs Sony A900 sensor size comparison

Ricoh GR III vs Sony A900 Screen and ViewFinder

Ricoh GR III vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III as a Portrait photography camera
Sony A900 as a Portrait photography camera
81
you can focus manually
good megapixels (24MP)
nice sensor size (APS-C)
provides face detection autofocus
exports RAW formats
71
has manual focus
high MP (25MP)
great sensor size (Full frame)
saves RAW formats
no liveview
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Street Comparison

Ricoh GR III as a Street photography camera
Sony A900 as a Street photography camera
84
image stabilization (Sensor-shift)
nice sensor size (APS-C)
exports RAW formats
has focus by touch
lighter than average (257g)
good high ISO (102,400)
screen does not articulate
66
has image stabilization (Sensor based)
great sensor size (Full frame)
saves RAW formats
weather sealing
fixed screen
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Sports Comparison

Ricoh GR III Sports photography details
Sony A900 Sports photography details
76
image stabilization (Sensor-shift)
good megapixels (24 megapixels)
nice sensor size (APS-C)
provides tracking autofocus
has phase detect autofocus
can't change focal length (28mm)
70
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
high MP (25MP)
great sensor size (Full frame)
weather sealing
supports phase detect AF
no liveview
slow continuous shooting (5.0 fps)
Photography Glossary

Travel Comparison

Ricoh GR III Travel photography features
Sony A900 Travel photography features
69
lighter than average (257g)
has focus by touch
good megapixels (24MP)
lack of Timelapse recording
doesn't contain selfie friendly display
slow maximum aperture (f2.8)
54
weather sealing
high MP (25MP)
missing Time Lapse recording
screen is not selfie friendly
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Landscape Comparison

Ricoh GR III Landscape photography highlights
Sony A900 Landscape photography highlights
69
you can focus manually
good sized screen (3 inch)
image stabilization (Sensor-shift)
good megapixels (24MP)
nice sensor size (APS-C)
no anti aliasing filter
good high ISO (102,400)
exports RAW formats
fixed lens (fixed lens mount)
can't change focal length (28mm)
slow maximum aperture (f2.8)
lack of Timelapse recording
72
has manual focus
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3 inches)
has image stabilization (Sensor based)
high MP (25MP)
great sensor size (Full frame)
saves RAW formats
weather sealing
has dual storage slots
no liveview
missing Time Lapse recording
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Vlogging Comparison

Ricoh GR III Vlogging advice
Sony A900 Vlogging advice
37
touch screen
image stabilization (Sensor-shift)
provides face detection autofocus
good video quality (1920 x 1080 pixels)
lighter than average (257g)
slow maximum aperture (f2.8)
doesn't contain selfie friendly display
lack of external microphone jack
9
no video
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Ricoh GR III vs Sony A900 Specifications

Detailed spec comparison table for Ricoh GR III and Sony A900
 Ricoh GR IIISony Alpha DSLR-A900
General Information
Brand Name Ricoh Sony
Model type Ricoh GR III Sony Alpha DSLR-A900
Category Large Sensor Compact Advanced DSLR
Released 2018-09-25 2008-10-22
Body design Large Sensor Compact Mid-size SLR
Sensor Information
Powered by - Bionz
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.5 x 15.6mm 35.9 x 24mm
Sensor surface area 366.6mm² 861.6mm²
Sensor resolution 24MP 25MP
Anti alias filter
Aspect ratio 1:1 and 3:2 3:2 and 16:9
Highest resolution 6000 x 4000 6048 x 4032
Highest native ISO 102400 6400
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 9
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 28mm (1x) -
Maximum aperture f/2.8-16 -
Macro focusing distance 6cm -
Number of lenses - 143
Crop factor 1.5 1
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inches 3 inches
Screen resolution 1,037 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch function
Screen technology - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Optical (optional) Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.74x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/8000s
Continuous shooting speed - 5.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash settings Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
WB bracketing
Maximum flash sync - 1/250s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM -
Highest video resolution 1920x1080 None
Video file format MPEG-4, H.264 -
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 257g (0.57 lb) 895g (1.97 lb)
Physical dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around rating not tested 79
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 12.3
DXO Low light rating not tested 1431
Other
Battery life - 880 images
Type of battery - Battery Pack
Battery ID - NP-FM500H
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Type of storage Internal, SD/SDHC/SDXC (UHS-I supported) Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Storage slots One Two
Price at launch $900 $2,736