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Ricoh GR III vs Sony A100

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
49
Features
38
Overall
44

Ricoh GR III vs Sony A100 Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Display
  • 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
  • Introduced September 2018
  • Previous Model is Ricoh GR III
  • Newer Model is Ricoh GR III
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Launched July 2006
  • Replaced the Konica Minolta 5D
  • Successor is Sony A550
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Ricoh GR III vs Sony A100 Overview

Lets look more closely at the Ricoh GR III versus Sony A100, one being a Large Sensor Compact and the other is a Entry-Level DSLR by manufacturers Ricoh and Sony. There is a sizeable difference between the image resolutions of the GR III (24MP) and A100 (10MP) but both cameras boast the identical sensor measurements (APS-C).

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The GR III was unveiled 12 years later than the A100 and that is quite a large gap as far as tech is concerned. The two cameras feature different body design with the Ricoh GR III being a Large Sensor Compact camera and the Sony A100 being a Compact SLR camera.

Before delving right into a in-depth comparison, here is a simple synopsis of how the GR III grades against the A100 for portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GR III over the Sony A100

 GR III A100 
LaunchedSeptember 2018July 2006More recent by 148 months
Display size3"2.5"Larger display (+0.5")
Display resolution1037k230kCrisper display (+807k dot)
Touch friendly display Easily navigate

Reasons to pick Sony A100 over the Ricoh GR III

 A100 GR III 

Common features in the Ricoh GR III and Sony A100

 GR III A100 
Manual focus Very exact focus
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen

Ricoh GR III vs Sony A100 Physical Comparison

If you are looking to lug around your camera, you're going to have to factor its weight and size. The Ricoh GR III provides external measurements of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") along with a weight of 257 grams (0.57 lbs) while the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Analyze the Ricoh GR III versus Sony A100 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at that moment. Here is a front view scale comparison of the GR III and the A100.

Ricoh GR III vs Sony A100 size comparison

Looking at size and weight, the portability rating of the GR III and A100 is 90 and 64 respectively.

Ricoh GR III vs Sony A100 top view buttons comparison

Ricoh GR III vs Sony A100 Sensor Comparison

Often, it can be hard to imagine the contrast between sensor measurements purely by going over specs. The graphic below will provide you a much better sense of the sensor sizing in the GR III and A100.

All in all, both of those cameras feature the identical sensor size but different megapixels. You should anticipate the Ricoh GR III to offer you extra detail having an extra 14MP. Greater resolution will also make it easier to crop photos way more aggressively. The more recent GR III should have an edge with regard to sensor tech.

Ricoh GR III vs Sony A100 sensor size comparison

Ricoh GR III vs Sony A100 Screen and ViewFinder

Ricoh GR III vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III as a Portrait photography camera
Sony A100 as a Portrait photography camera
81
has manual focus
resolution is good (24 megapixels)
sensor size is good (APS-C)
comes with face detection focusing
exports RAW files
53
has manual focus
sensor size is good (APS-C)
exports RAW files
does not have liveview
megapixel count low (10MP)
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Street Comparison

Street photography with Ricoh GR III
Street photography with Sony A100
84
built in image stabilization (Sensor-shift)
sensor size is good (APS-C)
exports RAW files
features touch to focus
lighter than competition (257g)
above average high ISO (102,400)
fixed screen
65
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
screen does not articulate
Photography Glossary

Sports Comparison

Ricoh GR III as a Sports photography camera
Sony A100 as a Sports photography camera
76
built in image stabilization (Sensor-shift)
resolution is good (24MP)
sensor size is good (APS-C)
comes with tracking autofocus
supports phase detect AF
fixed focal length (28mm)
49
image stabilization (Sensor based)
sensor size is good (APS-C)
has phase detect AF
does not have liveview
painfully slow continuous shooting (3.0 frames per second)
megapixel count low (10MP)
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Travel Comparison

Ricoh GR III Travel photography factors
Sony A100 Travel photography factors
69
lighter than competition (257g)
features touch to focus
resolution is good (24MP)
doesn't have Time Lapse function
doesn't posses selfie friendly display
somewhat slow max aperture (f2.8)
45
has built in flash
doesn't have Time Lapse function
megapixel count low (10MP)
display isn't selfie friendly
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Landscape Comparison

Ricoh GR III Landscape photography details
Sony A100 Landscape photography details
69
has manual focus
screen size is good (3 inches)
built in image stabilization (Sensor-shift)
resolution is good (24MP)
sensor size is good (APS-C)
no anti aliasing filter
above average high ISO (102,400)
exports RAW files
lens is fixed (fixed lens mount)
fixed focal length (28mm)
somewhat slow max aperture (f2.8)
doesn't have Time Lapse function
53
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
tiny screen (2.5 inch)
does not have liveview
megapixel count low (10MP)
doesn't have Time Lapse function
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Vlogging Comparison

Ricoh GR III as a Vlogging camera
Sony A100 as a Vlogging camera
37
built-in touchscreen
built in image stabilization (Sensor-shift)
comes with face detection focusing
high video quality (1920 x 1080 resolution)
lighter than competition (257g)
somewhat slow max aperture (f2.8)
doesn't posses selfie friendly display
doesn't have external mic socket
9
no video
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Ricoh GR III vs Sony A100 Specifications

Detailed spec comparison table for Ricoh GR III and Sony A100
 Ricoh GR IIISony Alpha DSLR-A100
General Information
Make Ricoh Sony
Model Ricoh GR III Sony Alpha DSLR-A100
Category Large Sensor Compact Entry-Level DSLR
Introduced 2018-09-25 2006-07-31
Body design Large Sensor Compact Compact SLR
Sensor Information
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.6 x 15.8mm
Sensor surface area 366.6mm² 372.9mm²
Sensor resolution 24 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 1:1 and 3:2 3:2
Maximum resolution 6000 x 4000 3872 x 2592
Maximum native ISO 102400 1600
Min native ISO 100 100
RAW pictures
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points - 9
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 28mm (1x) -
Highest aperture f/2.8-16 -
Macro focus distance 6cm -
Total lenses - 143
Crop factor 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inch 2.5 inch
Display resolution 1,037k dot 230k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (optional) Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.55x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting speed - 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range no built-in flash -
Flash settings Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
Hot shoe
AE bracketing
WB bracketing
Highest flash sync - 1/160 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM -
Maximum video resolution 1920x1080 None
Video file format MPEG-4, H.264 -
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 257 grams (0.57 lbs) 638 grams (1.41 lbs)
Physical dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO All around score not tested 61
DXO Color Depth score not tested 22.0
DXO Dynamic range score not tested 11.2
DXO Low light score not tested 476
Other
Battery model - NP-FM55H
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Storage media Internal, SD/SDHC/SDXC (UHS-I supported) Compact Flash (Type I or II)
Storage slots One One
Pricing at launch $900 $1,000