Nikon Coolpix W150 Review

Parameters

Brand: Nikon
Model: Coolpix W150
Megapixels: 13.20
Sensor: 1/3" (~ 4.8 x 3.6 mm)

Sensor Details

Nikon W150 comes with a 1/3" (~ 4.8 x 3.6 mm) CMOS sensor, which has a diagonal of 6.00 mm (0.24") and a surface area of 17.28 mm².
Diagonal
6.00 mm
Surface area
17.3 mm²
Pixel pitch
1.15 µm
Pixel area
1.32 µm²
Pixel density
76.2 MP/cm²

Sensor Size

This is the actual size of the W150 sensor: ~4.8 x 3.6 mm
The sensor surface area is 17.3 mm². There is a resolution of 13,200,000 pixels. Resolution shows the width from the center of one photosite to the center of the following.

The pixel area is 1.32 µm². Pixels give lighter capture and the more data can be recorded.

Nikon W150 pixel density is 76.2 MP/cm². Pixel density shows how many million pixels meet in one square cm of the sensor.

Features

Brand: Nikon
Model: Coolpix W150
Megapixels: 14.17
Sensor size: 1/3" (~ 4.8 x 3.6 mm)
Sensor type: CMOS
Sensor resolution: 4190 x 3150
Image resolution: 4160 x 3120
Optical zoom: 3x
Digital zoom:
ISO: Auto, 125-1600
RAW support:
Manual focus:
Normal focus range: 5 cm
Macro focus range:n/a
Focal length (35mm equiv.): 30 - 90 mm
Aperture priority: No
Max aperture: f3.3 - f5.9
Max. aperture (35mm equiv.): f23.8 - f42.5
Metering types: Multi, Center-weighted, Spot
Exposure Compensation:n/a
Shutter priority: No
Min. shutter speed:1s
Max shutter speed:1/2000s
Built-in flash:
External flash:
Viewfinder: None
White balance presets:n/a
Screen size: 2.7"
Screen resolution: 230k dots
Video available:
Video resolution:1920 x 1080
Video modes:30p
Storage:SD/SDHC/SDXC
USB version:2.0 (480 Mbit/sec)
HDMI:
Wireless available:
GPS:
Battery model:EN-EL19
Battery type:lithium-ion
Weight: 177 g
Body size:109.5 x 67 x 38 mm
Released: 2019

Compare W150

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Diagonal

The diagonal of W150 sensor is not 1/3 or 0.33" (8.5 mm) as you might expect, but approximately two thirds of that value - 0.24" (6 mm). If you want to know why, see sensor sizes.

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


Nikon W150 diagonal:

w = 4.80 mm
h = 3.60 mm
Diagonal =  4.80² + 3.60²   = 6.00 mm


Surface area

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

Width = 4.80 mm
Height = 3.60 mm

Surface area = 4.80 × 3.60 = 17.28 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 W150 pixel pitch:

Sensor width = 4.80 mm
Sensor resolution width = 4190 pixels
Pixel pitch =   4.80  × 1000  = 1.15 µm
4190


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 W150 pixel area:

Pixel pitch = 1.15 µm

Pixel area = 1.15² = 1.32 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 W150 pixel density:

Sensor resolution width = 4190 pixels
Sensor width = 0.48 cm

Pixel density = (4190 / 0.48)² / 1000000 = 76.2 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.

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 W150 sensor resolution:

Sensor width = 4.80 mm
Sensor height = 3.60 mm
Effective megapixels = 13.20
r = 4.80/3.60 = 1.33
X =  13.20 × 1000000  = 3150
1.33
Resolution horizontal: X × r = 3150 × 1.33 = 4190
Resolution vertical: X = 3150

Sensor resolution = 4190 x 3150


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 W150 crop factor:

Sensor diagonal = 6.00 mm
Crop factor =   43.27  = 7.21
6.00

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 W150 equivalent aperture:

Crop factor = 7.21
Aperture = f3.3 - f5.9

35-mm equivalent aperture = (f3.3 - f5.9) × 7.21 = f23.8 - f42.5


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