Sony Cybershot DSC-WX300 vs. Nikon Coolpix S9500

Comparison

Cybershot DSC-WX300 image
vs.
Coolpix S9500 image

Comparison

Sony Cybershot DSC-WX300 Nikon Coolpix S9500
Megapixels
18.20 18.10
Max. resolution
4896 x 3672 4896 x 3672
Price
Amazon, B&H Photo, Adorama Amazon, B&H Photo, Adorama

Sensor

Sensor type
Exmor R CMOS BSI CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm) 1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
4920 x 3699  4906 x 3689 
Diagonal
7.70 mm  7.70 mm 
Surface area
28.46 mm²  28.46 mm² 
Sensor size comparison
Sensor size is generally a good indicator of the quality of the camera. Sensors can vary greatly in size. As a general rule, the bigger the sensor, the better the image quality.

Bigger sensors are more effective, because they have more surface area to capture light. An important factor when comparing digital cameras is also camera generation. Generally, newer sensors will outperform the older.

Learn more about sensor sizes »
Actual sensor sizes:
Sony Cybershot DSC-WX300
vs.
Nikon Coolpix S9500
 
Surface area:
Sony Cybershot DSC-WX300
Nikon Coolpix S9500
Difference: 0 mm² (0%)
Sony Cybershot DSC-WX300 and Nikon Coolpix S9500 have the same surface area.
Pixel pitch
1.25 µm  1.26 µm 
Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the next. It tells you how close the pixels are to each other.

The bigger the pixel pitch, the further apart they are and the bigger each pixel is. Bigger pixels tend to have better signal to noise ratio and greater dynamic range.
Pixel pitch
Sony Cybershot DSC-WX300
Nikon Coolpix S9500
Difference: 0.01 µm (0.8%)
Pixel pitch of Nikon Coolpix S9500 is approx. 0.8% higher than pixel pitch of Sony Cybershot DSC-WX300.
Pixel area
1.56 µm²  1.59 µm² 
Pixel or photosite area affects how much light per pixel can be gathered. The larger it is the more light can be collected by a single pixel.

Larger pixels have the potential to collect more photons, resulting in greater dynamic range, while smaller pixels provide higher resolutions (more detail) for a given sensor size.
Relative pixel sizes:
Sony Cybershot DSC-WX300
vs.
Nikon Coolpix S9500
Pixel area difference: 0.03 µm² (2%)
A pixel on Nikon Coolpix S9500 sensor is approx. 2% bigger than a pixel on Sony Cybershot DSC-WX300.
Pixel density
63.79 MP/cm²  63.43 MP/cm² 
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor.

Higher pixel density means smaller pixels and lower pixel density means larger pixels.
Pixel density
Sony Cybershot DSC-WX300
Nikon Coolpix S9500
Difference: 0.36 MP/cm² (0.6%)
Sony Cybershot DSC-WX300 has approx. 0.6% higher pixel density than Nikon Coolpix S9500.
To learn about the accuracy of these numbers, click here.

Other specifications

Crop factor
5.62  5.62 
Total megapixels
18.90 18.91
Effective megapixels
18.20 18.10
Optical zoom
20x 22x
Digital zoom
Yes Yes
Iso
Auto, 80, 100, 200, 400, 800, 1600, 3200, (12800 with boost) ISO 125-3200
Auto focus
Yes Yes
Manual focus
No n/a
Normal focus range
n/a 50 cm
Macro focus range
5 cm 1 cm
Focal length (35mm equiv.)
25 - 500 mm 25 - 550 mm
Aperture priority
No No
Aperture
f3.5 - f6.5 f3.4 - f6.3
Aperture (35mm equiv.)
f19.7 - f36.5  f19.1 - f35.4 
Metering
Multi, Center-weighted, Spot Matrix, Center-weighted, Spot
Exposure compensation
+/- 2.0EV, 1/3EV step ± 2 EV in steps of 1/3
Shutter priority
No No
Min. shutter speed
4 sec 4 sec
Max. shutter speed
1/6000 sec 1/1500 sec
Flash modes
Auto, On, Off, Slow Sync, Advanced Flash n/a
Built-in flash
Yes Yes
External flash
No No
Viewfinder
None None
White balance presets
8 6
LCD display
Yes Yes
LCD size
3" 3"
LCD resolution
460,800 614,000
Min. image resolution
640 x 480 n/a
Selftimer
Yes Yes
Storage types
SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Batteries
Rechargeable Battery Pack (NP-BX1) Rechargeable Li-ion Battery EN-EL12
Weight
121 g 205 g
Dimensions
92.3 x 52.4 x 21.6 mm 110.1 x 60.3 x 30.7 mm
Year
2013 2013



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Diagonal

Diagonal is calculated by the use of Pythagorean theorem:
Diagonal =  w² + h²
where w = sensor width and h = sensor height

Sony Cybershot DSC-WX300 diagonal

The diagonal of Sony Cybershot DSC-WX300 image sensor is not 1/2.3 inch as you might expect, but approximately two thirds of that value. If you want to know why, see sensor sizes.

w = 6.16 mm
h = 4.62 mm
Diagonal =  6.16² + 4.62²   = 7.70 mm

Nikon Coolpix S9500 diagonal

The diagonal of Nikon Coolpix S9500 image sensor is not 1/2.3 inch as you might expect, but approximately two thirds of that value. If you want to know why, see sensor sizes.

w = 6.16 mm
h = 4.62 mm
Diagonal =  6.16² + 4.62²   = 7.70 mm


Surface area

Surface area is calculated by multiplying the width and the height of a sensor.

Sony Cybershot DSC-WX300 surface area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Nikon Coolpix S9500 surface area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²


Pixel pitch

Pixel pitch is the distance from the center of one pixel to the center of the next measured in micrometers (µm). It can be calculated with the following formula:
Pixel pitch =   sensor width in mm  × 1000
sensor resolution width in pixels

Sony Cybershot DSC-WX300 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4920 pixels
Pixel pitch =   6.16  × 1000  = 1.25 µm
4920

Nikon Coolpix S9500 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4906 pixels
Pixel pitch =   6.16  × 1000  = 1.26 µm
4906


Pixel area

The area of one pixel can be calculated by simply squaring the pixel pitch:
Pixel area = pixel pitch²

You could also divide sensor surface area with effective megapixels:
Pixel area =   sensor surface area in mm²
effective megapixels

Sony Cybershot DSC-WX300 pixel area

Pixel pitch = 1.25 µm

Pixel area = 1.25² = 1.56 µm²

Nikon Coolpix S9500 pixel area

Pixel pitch = 1.26 µm

Pixel area = 1.26² = 1.59 µm²


Pixel density

Pixel density can be calculated with the following formula:
Pixel density =  ( sensor resolution width in pixels )² / 1000000
sensor width in cm

You could also use this formula:
Pixel density =   effective megapixels × 1000000  / 10000
sensor surface area in mm²

Sony Cybershot DSC-WX300 pixel density

Sensor resolution width = 4920 pixels
Sensor width = 0.616 cm

Pixel density = (4920 / 0.616)² / 1000000 = 63.79 MP/cm²

Nikon Coolpix S9500 pixel density

Sensor resolution width = 4906 pixels
Sensor width = 0.616 cm

Pixel density = (4906 / 0.616)² / 1000000 = 63.43 MP/cm²


Sensor resolution

Sensor resolution is calculated from sensor size and effective megapixels. It's slightly higher than maximum (not interpolated) image resolution which is usually stated on camera specifications. Sensor resolution is used in pixel pitch, pixel area, and pixel density formula. For sake of simplicity, we're going to calculate it in 3 stages.

1. First we need to find the ratio between horizontal and vertical length by dividing the former with the latter (aspect ratio). It's usually 1.33 (4:3) or 1.5 (3:2), but not always. 22.8 × 15.5 sensor for example has a ratio of 1.47.

2. With the ratio (r) known we can calculate the X from the formula below, where X is a vertical number of pixels:
(X × r) × X = effective megapixels × 1000000    →   
X =  effective megapixels × 1000000
r
3. To get sensor resolution we then multiply X with the corresponding ratio:

Resolution horizontal: X × r
Resolution vertical: X

Sony Cybershot DSC-WX300 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 18.20
r = 6.16/4.62 = 1.33
X =  18.20 × 1000000  = 3699
1.33
Resolution horizontal: X × r = 3699 × 1.33 = 4920
Resolution vertical: X = 3699

Sensor resolution = 4920 x 3699

Nikon Coolpix S9500 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 18.10
r = 6.16/4.62 = 1.33
X =  18.10 × 1000000  = 3689
1.33
Resolution horizontal: X × r = 3689 × 1.33 = 4906
Resolution vertical: X = 3689

Sensor resolution = 4906 x 3689


Crop factor

Crop factor or focal length multiplier is calculated by dividing the diagonal of 35 mm film (43.27 mm) with the diagonal of the sensor.
Crop factor =   43.27 mm
sensor diagonal in mm


Sony Cybershot DSC-WX300 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

Nikon Coolpix S9500 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

35 mm equivalent aperture

Equivalent aperture (in 135 film terms) is calculated by multiplying lens aperture with crop factor (a.k.a. focal length multiplier).

Sony Cybershot DSC-WX300 equivalent aperture

Crop factor = 5.62
Aperture = f3.5 - f6.5

35-mm equivalent aperture = (f3.5 - f6.5) × 5.62 = f19.7 - f36.5

Nikon Coolpix S9500 equivalent aperture

Crop factor = 5.62
Aperture = f3.4 - f6.3

35-mm equivalent aperture = (f3.4 - f6.3) × 5.62 = f19.1 - f35.4


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