Nikon Coolpix S9500 vs. Nikon D3000

Comparison

Coolpix S9500 image
vs.
D3000 image

 

Nikon Coolpix S9500 Nikon D3000
Megapixels
18.10 10.20
Max. resolution
4896 x 3672 3872 x 2592
Price
Amazon, B&H Photo, Adorama Amazon, B&H Photo, Adorama

Sensor

Sensor type
BSI CMOS CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm) 23.6 x 15.8 mm
Sensor resolution
4906 x 3689  3898 x 2616 
Diagonal
7.70 mm  28.40 mm 
Surface area
28.46 mm²  372.88 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:
Nikon Coolpix S9500
vs.
Nikon D3000
 
Surface area:
Nikon Coolpix S9500
Nikon D3000
Difference: 344.42 mm² (1210%)
Nikon D3000 has approx. 1210% more surface area than Nikon Coolpix S9500.
Note: You are comparing cameras of different generations. There is a 4 year gap between Nikon Coolpix S9500 (2013) and Nikon D3000 (2009). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.26 µm  6.05 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
Nikon Coolpix S9500
Nikon D3000
Difference: 4.79 µm (380%)
Pixel pitch of Nikon D3000 is approx. 380% higher than pixel pitch of Nikon Coolpix S9500.
Pixel area
1.59 µm²  36.6 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:
Nikon Coolpix S9500
vs.
Nikon D3000
Pixel area difference: 35.01 µm² (2202%)
A pixel on Nikon D3000 sensor is approx. 2202% bigger than a pixel on Nikon Coolpix S9500.
Pixel density
63.43 MP/cm²  2.73 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
Nikon Coolpix S9500
Nikon D3000
Difference: 60.7 MP/cm² (2223%)
Nikon Coolpix S9500 has approx. 2223% higher pixel density than Nikon D3000.
To learn about the accuracy of these numbers, click here.

Other specifications

Crop factor
5.62  1.52 
Total megapixels
18.91 10.75
Effective megapixels
18.10 10.20
Optical zoom
22x n/a
Digital zoom
Yes No
Iso
ISO 125-3200 Auto, 100, 200, 400, 800, 1600, (plus 3200 with boost)
Auto focus
Yes Yes
Manual focus
n/a Yes
Normal focus range
50 cm n/a
Macro focus range
1 cm n/a
Focal length (35mm equiv.)
25 - 550 mm n/a
Aperture priority
No Yes
Aperture
f3.4 - f6.3 n/a
Aperture (35mm equiv.)
f19.1 - f35.4  n/a 
Metering
Matrix, Center-weighted, Spot 3D Matrix metering II, Centre weighted, Spot
Exposure compensation
± 2 EV in steps of 1/3 -5EV - +5EV with 1/3EV steps
Shutter priority
No Yes
Min. shutter speed
4 sec 30 sec
Max. shutter speed
1/1500 sec 1/4000 sec
Flash modes
n/a Anti red-eye, Auto, Fill in, Front curtin, Off, Rear curtin, Slow flash
Built-in flash
Yes Yes
External flash
No Yes
Viewfinder
None Optical (pentamirror)
White balance presets
6 12
LCD display
Yes Yes
LCD size
3" 3"
LCD resolution
614,000 230,000
Min. image resolution
n/a 1936 x 1296
Selftimer
Yes Yes
Storage types
SD/SDHC/SDXC SDHC, Secure Digital
USB
USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Batteries
Rechargeable Li-ion Battery EN-EL12 Lithium-Ion EN-EL9a rechargeable battery & charger
Weight
205 g 536 g
Dimensions
110.1 x 60.3 x 30.7 mm 126 x 97 x 64 mm
Year
2013 2009



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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

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

Nikon D3000 diagonal

w = 23.60 mm
h = 15.80 mm
Diagonal =  23.60² + 15.80²   = 28.40 mm


Surface area

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

Nikon Coolpix S9500 surface area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Nikon D3000 surface area

Width = 23.60 mm
Height = 15.80 mm

Surface area = 23.60 × 15.80 = 372.88 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

Nikon Coolpix S9500 pixel pitch

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

Nikon D3000 pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 3898 pixels
Pixel pitch =   23.60  × 1000  = 6.05 µm
3898


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

Nikon Coolpix S9500 pixel area

Pixel pitch = 1.26 µm

Pixel area = 1.26² = 1.59 µm²

Nikon D3000 pixel area

Pixel pitch = 6.05 µm

Pixel area = 6.05² = 36.6 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

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

Nikon D3000 pixel density

Sensor resolution width = 3898 pixels
Sensor width = 2.36 cm

Pixel density = (3898 / 2.36)² / 1000000 = 2.73 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

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

Nikon D3000 sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.80 mm
Effective megapixels = 10.20
r = 23.60/15.80 = 1.49
X =  10.20 × 1000000  = 2616
1.49
Resolution horizontal: X × r = 2616 × 1.49 = 3898
Resolution vertical: X = 2616

Sensor resolution = 3898 x 2616


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


Nikon Coolpix S9500 crop factor

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

Nikon D3000 crop factor

Sensor diagonal in mm = 28.40 mm
Crop factor =   43.27  = 1.52
28.40

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).

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

Nikon D3000 equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Nikon D3000, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Nikon D3000 is 1.52


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