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Casio EX-Z550 vs Ricoh GR Digital III

Portability
95
Imaging
37
Features
25
Overall
32
Casio Exilim EX-Z550 front
 
Ricoh GR Digital III front
Portability
92
Imaging
34
Features
35
Overall
34

Casio EX-Z550 vs Ricoh GR Digital III Key Specs

Casio EX-Z550
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 26-104mm (F2.6-5.9) lens
  • 143g - 99 x 53 x 20mm
  • Introduced January 2010
Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Launched July 2009
  • New Model is Ricoh GR Digital IV
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Casio EX-Z550 vs Ricoh GR Digital III Overview

Here, we will be contrasting the Casio EX-Z550 vs Ricoh GR Digital III, one being a Ultracompact and the latter is a Small Sensor Compact by companies Casio and Ricoh. There exists a sizeable gap between the sensor resolutions of the EX-Z550 (14MP) and GR Digital III (10MP) and the EX-Z550 (1/2.3") and GR Digital III (1/1.7") offer different sensor sizes.

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The EX-Z550 was introduced 6 months later than the GR Digital III which means that they are both of a similar generation. Both of the cameras feature different body design with the Casio EX-Z550 being a Ultracompact camera and the Ricoh GR Digital III being a Compact camera.

Before we go straight to a complete comparison, here is a brief synopsis of how the EX-Z550 scores against the GR Digital III when considering portability, imaging, features and an overall grade.

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Reasons to pick Casio EX-Z550 over the Ricoh GR Digital III

 EX-Z550 GR Digital III 

Reasons to pick Ricoh GR Digital III over the Casio EX-Z550

 GR Digital III EX-Z550 
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution920k230kClearer screen (+690k dot)

Common features in the Casio EX-Z550 and Ricoh GR Digital III

 EX-Z550 GR Digital III 
LaunchedJanuary 2010July 2009Similar generation
Manually focus Very exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch screen Absent Touch screen

Casio EX-Z550 vs Ricoh GR Digital III Physical Comparison

For those who are intending to lug around your camera regularly, you are going to need to factor in its weight and dimensions. The Casio EX-Z550 comes with exterior dimensions of 99mm x 53mm x 20mm (3.9" x 2.1" x 0.8") with a weight of 143 grams (0.32 lbs) whilst the Ricoh GR Digital III has dimensions of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") and a weight of 208 grams (0.46 lbs).

Examine the Casio EX-Z550 vs Ricoh GR Digital III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at the time. Underneath is a front view measurements comparison of the EX-Z550 vs the GR Digital III.

Casio EX-Z550 vs Ricoh GR Digital III size comparison

Factoring in dimensions and weight, the portability grade of the EX-Z550 and GR Digital III is 95 and 92 respectively.

Casio EX-Z550 vs Ricoh GR Digital III top view buttons comparison

Casio EX-Z550 vs Ricoh GR Digital III Sensor Comparison

More often than not, its hard to picture the difference between sensor measurements purely by reviewing technical specs. The visual underneath may provide you a stronger sense of the sensor dimensions in the EX-Z550 and GR Digital III.

As you have seen, both cameras come with different megapixel count and different sensor measurements. The EX-Z550 with its tinier sensor is going to make achieving shallow DOF trickier and the Casio EX-Z550 will offer extra detail using its extra 4MP. Higher resolution will allow you to crop shots a good deal more aggressively.

Casio EX-Z550 vs Ricoh GR Digital III sensor size comparison

Casio EX-Z550 vs Ricoh GR Digital III Screen and ViewFinder

Casio EX-Z550 vs Ricoh GR Digital III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-Z550 Portrait photography highlights
Ricoh GR Digital III Portrait photography highlights
35
focusing manually
decent megapixels (14 megapixels)
manual exposure not available
no external flash support
sensor size is small (1/2.3")
has no RAW format
40
has manual focus
delivers RAW formats
sensor resolution not great (10MP)
small sensor (1/1.7")
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Street Comparison

Casio EX-Z550 Street photography factors
Ricoh GR Digital III Street photography factors
57
image stabilization (Sensor-shift)
no moving screen
sensor size is small (1/2.3")
has no RAW format
55
delivers RAW formats
no articulating screen
no image stabilization
small sensor (1/1.7")
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Sports Comparison

Casio EX-Z550 Sports photography details
Ricoh GR Digital III Sports photography details
38
image stabilization (Sensor-shift)
decent megapixels (14 megapixels)
no shutter priority mode
sensor size is small (1/2.3")
has no phase detect auto focus
17
focal length is fixed (28mm)
no image stabilization
sensor resolution not great (10MP)
small sensor (1/1.7")
doesn't have phase detect auto focus
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Travel Comparison

Casio EX-Z550 Travel photography highlights
Ricoh GR Digital III Travel photography highlights
65
decent megapixels (14 megapixels)
has built in flash
pretty wide (26mm)
lack of Timelapse function
screen is not selfie friendly
slow maximum aperture (f2.6)
63
built-in flash
great max aperture (f1.9)
sensor resolution not great (10MP)
screen is not selfie friendly
Photography Glossary

Landscape Comparison

Casio EX-Z550 as a Landscape photography camera
Ricoh GR Digital III as a Landscape photography camera
42
focusing manually
pretty wide (26mm)
image stabilization (Sensor-shift)
decent megapixels (14MP)
fixed lens (fixed lens mount)
slow maximum aperture (f2.6)
small screen (2.7 inches)
manual exposure not available
sensor size is small (1/2.3")
has no RAW format
lack of Timelapse function
45
has manual focus
great max aperture (f1.9)
pretty good screen size (3")
delivers RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
no image stabilization
sensor resolution not great (10 megapixels)
small sensor (1/1.7")
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Vlogging Comparison

Casio EX-Z550 Vlogging features
Ricoh GR Digital III Vlogging features
29
pretty wide (26mm)
image stabilization (Sensor-shift)
slow maximum aperture (f2.6)
screen is not selfie friendly
low quality video (640 x 480 resolution)
lack of external microphone port
25
great max aperture (f1.9)
screen is not selfie friendly
no image stabilization
video resolution low (640 x 480 resolution)
missing external microphone support
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Casio EX-Z550 vs Ricoh GR Digital III Specifications

Detailed spec comparison table for Casio EX-Z550 and Ricoh GR Digital III
 Casio Exilim EX-Z550Ricoh GR Digital III
General Information
Brand Name Casio Ricoh
Model type Casio Exilim EX-Z550 Ricoh GR Digital III
Class Ultracompact Small Sensor Compact
Introduced 2010-01-06 2009-07-27
Physical type Ultracompact Compact
Sensor Information
Chip - GR engine III
Sensor type CCD CCD
Sensor size 1/2.3" 1/1.7"
Sensor measurements 6.17 x 4.55mm 7.44 x 5.58mm
Sensor surface area 28.1mm² 41.5mm²
Sensor resolution 14MP 10MP
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3 and 3:2
Peak resolution 4320 x 3240 3648 x 2736
Highest native ISO 3200 1600
Minimum native ISO 64 64
RAW format
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Lens
Lens support fixed lens fixed lens
Lens zoom range 26-104mm (4.0x) 28mm (1x)
Maximum aperture f/2.6-5.9 f/1.9
Macro focusing distance - 1cm
Focal length multiplier 5.8 4.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.7 inches 3 inches
Screen resolution 230k dots 920k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type None Optical (optional)
Features
Minimum shutter speed 4s 1s
Fastest shutter speed 1/2000s 1/2000s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Built-in flash
Flash distance - 3.00 m
Flash options Auto, flash off, flash on, red eye reduction Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 × 720, 640 x 480, 320 x 240 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 640x480 640x480
Video format Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 143g (0.32 lbs) 208g (0.46 lbs)
Physical dimensions 99 x 53 x 20mm (3.9" x 2.1" x 0.8") 109 x 59 x 26mm (4.3" x 2.3" x 1.0")
DXO scores
DXO Overall 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
Self timer Yes (10 seconds, 2 seconds, Triple Self-timer) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC card, Internal SD/SDHC, Internal
Card slots 1 1
Cost at release $149 $399