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Casio EX-S7 vs Ricoh GR Digital III

Portability
96
Imaging
35
Features
14
Overall
26
Casio Exilim EX-S7 front
 
Ricoh GR Digital III front
Portability
92
Imaging
34
Features
35
Overall
34

Casio EX-S7 vs Ricoh GR Digital III Key Specs

Casio EX-S7
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 64 - 1600
  • 1280 x 720 video
  • 36-107mm (F3.1-5.6) lens
  • 121g - 97 x 57 x 20mm
  • Launched February 2010
Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Revealed July 2009
  • Replacement is Ricoh GR Digital IV
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Casio EX-S7 vs Ricoh GR Digital III Overview

Its time to look more closely at the Casio EX-S7 versus Ricoh GR Digital III, former being a Ultracompact while the other is a Small Sensor Compact by companies Casio and Ricoh. The image resolution of the EX-S7 (12MP) and the GR Digital III (10MP) is very well matched but the EX-S7 (1/2.3") and GR Digital III (1/1.7") provide totally different sensor size.

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The EX-S7 was revealed 7 months later than the GR Digital III and they are both of a similar age. Both of these cameras feature different body design with the Casio EX-S7 being a Ultracompact camera and the Ricoh GR Digital III being a Compact camera.

Before delving right into a in-depth comparison, here is a brief synopsis of how the EX-S7 scores against the GR Digital III for portability, imaging, features and an overall rating.

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Reasons to pick Casio EX-S7 over the Ricoh GR Digital III

 EX-S7 GR Digital III 
RevealedFebruary 2010July 2009Fresher by 7 months

Reasons to pick Ricoh GR Digital III over the Casio EX-S7

 GR Digital III EX-S7 
Display size3"2.7"Larger display (+0.3")
Display resolution920k230kCrisper display (+690k dot)

Common features in the Casio EX-S7 and Ricoh GR Digital III

 EX-S7 GR Digital III 
Focus manually Very precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Casio EX-S7 vs Ricoh GR Digital III Physical Comparison

In case you're intending to carry your camera regularly, you'll have to consider its weight and measurements. The Casio EX-S7 provides exterior dimensions of 97mm x 57mm x 20mm (3.8" x 2.2" x 0.8") having a weight of 121 grams (0.27 lbs) and the Ricoh GR Digital III has proportions of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") accompanied by a weight of 208 grams (0.46 lbs).

Look at the Casio EX-S7 versus Ricoh GR Digital III in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ dependant on the lens you are working with at the time. Underneath is a front view dimension comparison of the EX-S7 against the GR Digital III.

Casio EX-S7 vs Ricoh GR Digital III size comparison

Taking into consideration dimensions and weight, the portability rating of the EX-S7 and GR Digital III is 96 and 92 respectively.

Casio EX-S7 vs Ricoh GR Digital III top view buttons comparison

Casio EX-S7 vs Ricoh GR Digital III Sensor Comparison

Typically, it is very hard to visualise the contrast between sensor sizing merely by reading through technical specs. The visual underneath might provide you a much better sense of the sensor sizes in the EX-S7 and GR Digital III.

As you have seen, the two cameras come with different megapixels and different sensor sizing. The EX-S7 having a tinier sensor will make getting shallow depth of field tougher and the Casio EX-S7 will give more detail because of its extra 2MP. Greater resolution can also help you crop photos a good deal more aggressively. The younger EX-S7 is going to have a benefit in sensor tech.

Casio EX-S7 vs Ricoh GR Digital III sensor size comparison

Casio EX-S7 vs Ricoh GR Digital III Screen and ViewFinder

Casio EX-S7 vs Ricoh GR Digital III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-S7 Portrait photography factors
Ricoh GR Digital III Portrait photography factors
27
focusing manually
lack of manual exposure
external flash not possible
sensor resolution not great (12 megapixels)
small sensor (1/2.3")
lacks RAW support
40
manual focus
supports RAW files
MP count low (10MP)
sensor size is tiny (1/1.7")
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Street Comparison

Casio EX-S7 Street photography factors
Ricoh GR Digital III Street photography factors
48
fixed screen
no image stabilization
small sensor (1/2.3")
lacks RAW support
55
supports RAW files
screen is fixed
no image stabilization
sensor size is tiny (1/1.7")
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Sports Comparison

Casio EX-S7 Sports photography highlights
Ricoh GR Digital III Sports photography highlights
17
no shutter priority
no image stabilization
sensor resolution not great (12MP)
small sensor (1/2.3")
lacks phase detect auto focus
17
fixed focal length (28mm)
no image stabilization
MP count low (10MP)
sensor size is tiny (1/1.7")
no phase detect AF
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Travel Comparison

Casio EX-S7 as a Travel photography camera
Ricoh GR Digital III as a Travel photography camera
52
flash built-in
missing Time Lapse function
sensor resolution not great (12 megapixels)
does not offer selfie friendly screen
wide angle not good (36mm)
somewhat slow maximum aperture (f3.1)
63
built-in flash
very good maximum aperture (f1.9)
MP count low (10 megapixels)
does not contain selfie friendly display
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Landscape Comparison

Casio EX-S7 Landscape photography information
Ricoh GR Digital III Landscape photography information
28
focusing manually
cannot swap lenses (fixed lens mount)
wide angle not good (36mm)
somewhat slow maximum aperture (f3.1)
screen is small (2.7")
lack of manual exposure
no image stabilization
sensor resolution not great (12MP)
small sensor (1/2.3")
lacks RAW support
missing Time Lapse function
45
manual focus
very good maximum aperture (f1.9)
screen is a good size (3")
supports RAW files
lens is fixed (fixed lens mount)
fixed focal length (28mm)
no image stabilization
MP count low (10MP)
sensor size is tiny (1/1.7")
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Vlogging Comparison

Casio EX-S7 Vlogging information
Ricoh GR Digital III Vlogging information
22
wide angle not good (36mm)
somewhat slow maximum aperture (f3.1)
does not offer selfie friendly screen
no image stabilization
video res low (1280 x 720 pxls)
missing mic socket
25
very good maximum aperture (f1.9)
does not contain selfie friendly display
no image stabilization
video quality not great (640 x 480 pxls)
no external microphone port
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Casio EX-S7 vs Ricoh GR Digital III Specifications

Detailed spec comparison table for Casio EX-S7 and Ricoh GR Digital III
 Casio Exilim EX-S7Ricoh GR Digital III
General Information
Brand Name Casio Ricoh
Model Casio Exilim EX-S7 Ricoh GR Digital III
Class Ultracompact Small Sensor Compact
Launched 2010-02-21 2009-07-27
Body design Ultracompact Compact
Sensor Information
Chip Exilim Engine 5.0 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 area 28.1mm² 41.5mm²
Sensor resolution 12 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3 and 3:2
Max resolution 4000 x 3000 3648 x 2736
Max native ISO 1600 1600
Min native ISO 64 64
RAW format
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 36-107mm (3.0x) 28mm (1x)
Largest aperture f/3.1-5.6 f/1.9
Macro focus distance 10cm 1cm
Crop factor 5.8 4.8
Screen
Display type Fixed Type Fixed Type
Display sizing 2.7" 3"
Resolution of display 230k dot 920k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder None Optical (optional)
Features
Min shutter speed 4 secs 1 secs
Max shutter speed 1/2000 secs 1/2000 secs
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash range 3.20 m 3.00 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 640x480
Video data format Motion JPEG -
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 121g (0.27 pounds) 208g (0.46 pounds)
Physical dimensions 97 x 57 x 20mm (3.8" x 2.2" x 0.8") 109 x 59 x 26mm (4.3" x 2.3" x 1.0")
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 model NP-80 -
Self timer Yes (2 or 10 sec, Triple Self-timer) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC card, Internal SD/SDHC, Internal
Storage slots 1 1
Cost at release $140 $399