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Casio EX-ZR15 vs Nikon S31

Portability
93
Imaging
39
Features
43
Overall
40
Casio Exilim EX-ZR15 front
 
Nikon Coolpix S31 front
Portability
90
Imaging
33
Features
18
Overall
27

Casio EX-ZR15 vs Nikon S31 Key Specs

Casio EX-ZR15
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-196mm (F3.0-5.9) lens
  • 176g - 102 x 59 x 27mm
  • Introduced January 2012
Nikon S31
(Full Review)
  • 10MP - 1/2.9" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 1600
  • 1280 x 720 video
  • 29-87mm (F) lens
  • 185g - 105 x 65 x 42mm
  • Revealed June 2013
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Casio EX-ZR15 vs Nikon S31 Overview

Lets look a bit more in depth at the Casio EX-ZR15 versus Nikon S31, one is a Small Sensor Compact and the latter is a Waterproof by companies Casio and Nikon. There is a crucial difference among the resolutions of the EX-ZR15 (16MP) and S31 (10MP) and the EX-ZR15 (1/2.3") and S31 (1/2.9") provide different sensor sizing.

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The EX-ZR15 was brought out 17 months before the S31 which makes them a generation away from each other. Both the cameras have the same body design (Compact).

Before delving straight to a thorough comparison, here is a simple synopsis of how the EX-ZR15 matches up versus the S31 in regards to portability, imaging, features and an overall score.

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Reasons to pick Casio EX-ZR15 over the Nikon S31

 EX-ZR15 S31 
Manual focus Dial exact focusing
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution461k230kSharper screen (+231k dot)

Reasons to pick Nikon S31 over the Casio EX-ZR15

 S31 EX-ZR15 
RevealedJune 2013January 2012More modern by 17 months

Common features in the Casio EX-ZR15 and Nikon S31

 EX-ZR15 S31 
Screen typeFixed Fixed Fixed screen
Selfie screen Missing selfie screen
Touch screen Missing Touch screen

Casio EX-ZR15 vs Nikon S31 Physical Comparison

If you are planning to carry around your camera often, you're going to have to take into account its weight and dimensions. The Casio EX-ZR15 has outer measurements of 102mm x 59mm x 27mm (4.0" x 2.3" x 1.1") along with a weight of 176 grams (0.39 lbs) whilst the Nikon S31 has dimensions of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") along with a weight of 185 grams (0.41 lbs).

Contrast the Casio EX-ZR15 versus Nikon S31 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing during that time. Underneath is a front view dimension comparison of the EX-ZR15 vs the S31.

Casio EX-ZR15 vs Nikon S31 size comparison

Taking into consideration size and weight, the portability rating of the EX-ZR15 and S31 is 93 and 90 respectively.

Casio EX-ZR15 vs Nikon S31 top view buttons comparison

Casio EX-ZR15 vs Nikon S31 Sensor Comparison

In many cases, it is difficult to picture the contrast in sensor sizes only by checking out technical specs. The picture below should offer you a much better sense of the sensor measurements in the EX-ZR15 and S31.

As you have seen, both of those cameras provide different resolutions and different sensor sizes. The EX-ZR15 featuring a bigger sensor is going to make shooting shallower depth of field less difficult and the Casio EX-ZR15 will provide more detail having its extra 6MP. Higher resolution can also allow you to crop pictures more aggressively. The more aged EX-ZR15 will be disadvantaged with regard to sensor innovation.

Casio EX-ZR15 vs Nikon S31 sensor size comparison

Casio EX-ZR15 vs Nikon S31 Screen and ViewFinder

Casio EX-ZR15 vs Nikon S31 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Casio EX-ZR15
Portrait photography with Nikon S31
40
has manual focus
good MP (16MP)
comes with face detection focusing
no manual control
can't use external flash
sensor size is small (1/2.3")
no RAW files
19
manual focus not available
lack of manual exposure
cannot use external flash
low resolution (10MP)
sensor is very small (1/2.9")
has no RAW format
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Street Comparison

Casio EX-ZR15 Street photography information
Nikon S31 Street photography information
57
has image stabilization (Sensor-shift)
screen does not articulate
sensor size is small (1/2.3")
no RAW files
52
weather proofing
fixed screen
no image stabilization
sensor is very small (1/2.9")
has no RAW format
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Sports Comparison

Sports photography with Casio EX-ZR15
Sports photography with Nikon S31
44
has image stabilization (Sensor-shift)
good MP (16MP)
comes with tracking autofocus
great battery pack (325 per charge)
slow frames per second (3.0 frames per second)
no shutter priority
sensor size is small (1/2.3")
no phase detect AF
24
weather proofing
no shutter priority
no image stabilization
low resolution (10 megapixels)
sensor is very small (1/2.9")
has no phase detect AF
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Travel Comparison

Casio EX-ZR15 as a Travel photography camera
Nikon S31 as a Travel photography camera
67
great battery pack (325 per charge)
good MP (16MP)
flash built-in
fairly wide (28mm)
does not have Timelapse mode
display isn't selfie friendly
sluggish max aperture (f3.0)
59
weather proofing
flash built-in
fast max aperture (f)
doesn't have Timelapse function
low resolution (10MP)
does not posses selfie friendly display
wide angle not great (29mm)
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Landscape Comparison

Casio EX-ZR15 Landscape photography highlights
Nikon S31 Landscape photography highlights
49
has manual focus
fairly wide (28mm)
screen is a good size (3 inch)
has image stabilization (Sensor-shift)
good MP (16MP)
great battery pack (325 CIPA)
fixed lens (fixed lens mount)
sluggish max aperture (f3.0)
no manual control
sensor size is small (1/2.3")
no RAW files
does not have Timelapse mode
30
fast max aperture (f)
weather proofing
manual focus not available
cannot swap lens (fixed lens mount)
wide angle not great (29mm)
screen is small (2.7 inch)
lack of manual exposure
no image stabilization
low resolution (10MP)
sensor is very small (1/2.9")
has no RAW format
doesn't have Timelapse function
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Vlogging Comparison

Casio EX-ZR15 Vlogging highlights
Nikon S31 Vlogging highlights
33
fairly wide (28mm)
has image stabilization (Sensor-shift)
comes with face detection focusing
high video quality (1920 x 1080 resolution)
sluggish max aperture (f3.0)
display isn't selfie friendly
does not have external microphone jack
24
fast max aperture (f)
wide angle not great (29mm)
does not posses selfie friendly display
no image stabilization
low quality video (1280 x 720 pxls)
doesn't have microphone socket
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Casio EX-ZR15 vs Nikon S31 Specifications

Detailed spec comparison table for Casio EX-ZR15 and Nikon S31
 Casio Exilim EX-ZR15Nikon Coolpix S31
General Information
Make Casio Nikon
Model Casio Exilim EX-ZR15 Nikon Coolpix S31
Category Small Sensor Compact Waterproof
Introduced 2012-01-09 2013-06-21
Physical type Compact Compact
Sensor Information
Processor Chip Exilim Engine 5.0 -
Sensor type CMOS CCD
Sensor size 1/2.3" 1/2.9"
Sensor measurements 6.17 x 4.55mm 4.96 x 3.72mm
Sensor area 28.1mm² 18.5mm²
Sensor resolution 16 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 -
Peak resolution 4608 x 3456 3648 x 2736
Highest native ISO 3200 1600
Minimum native ISO 80 80
RAW data
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 28-196mm (7.0x) 29-87mm (3.0x)
Largest aperture f/3.0-5.9 -
Macro focus distance 2cm -
Crop factor 5.8 7.3
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3 inches 2.7 inches
Display resolution 461 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch functionality
Display tech Super Clear TFT color LCD -
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 4 secs 4 secs
Max shutter speed 1/2000 secs 1/2000 secs
Continuous shutter rate 3.0fps -
Shutter priority
Aperture priority
Manual mode
Custom WB
Image stabilization
Integrated flash
Flash range 5.20 m -
Flash options Auto, On, Off, Red-Eye -
Hot shoe
AE bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (15 fps), 640 x 480 (30, 120 fps), 512 x 384 (30, 240 fps), 224 x 160 (480 fps) 1280 x 720
Highest video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264 -
Microphone port
Headphone port
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 176 gr (0.39 pounds) 185 gr (0.41 pounds)
Physical dimensions 102 x 59 x 27mm (4.0" x 2.3" x 1.1") 105 x 65 x 42mm (4.1" x 2.6" x 1.7")
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 325 shots 260 shots
Battery type Battery Pack Battery Pack
Battery model NP-110 EN-EL12
Self timer Yes (2 or 10 seconds, custom) -
Time lapse feature
Storage type SD/SDHC/SDXC SD / SDHC/SDXC
Card slots 1 1
Price at release $249 $90