Panasonic Lumix DMC-FT20 vs. Nikon Coolpix S32

Comparison

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Lumix DMC-FT20 image
vs
Coolpix S32 image
Panasonic Lumix DMC-FT20 Nikon Coolpix S32
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Megapixels
16.10
13.20
Max. image resolution
4608 x 3456
4160 x 3120

Sensor

Sensor type
CCD
CMOS
Sensor size
1/2.33" (~ 6.08 x 4.56 mm)
1/3" (~ 4.8 x 3.6 mm)
Sensor resolution
4627 x 3479
4190 x 3150
Diagonal
7.60 mm
6.00 mm
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 size

Note: Actual size is set to screen → change »
vs
1.6 : 1
(ratio)
Panasonic Lumix DMC-FT20 Nikon Coolpix S32
Surface area:
27.72 mm² vs 17.28 mm²
Difference: 10.44 mm² (60%)
FT20 sensor is approx. 1.6x bigger than S32 sensor.
Note: You are comparing cameras of different generations. There is a 2 year gap between Panasonic FT20 (2012) and Nikon S32 (2014). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.31 µm
1.15 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.
Difference: 0.16 µm (14%)
Pixel pitch of FT20 is approx. 14% higher than pixel pitch of S32.
Pixel area
1.72 µm²
1.32 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:
vs
Pixel area difference: 0.4 µm² (30%)
A pixel on Panasonic FT20 sensor is approx. 30% bigger than a pixel on Nikon S32.
Pixel density
57.92 MP/cm²
76.2 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.
Difference: 18.28 µm (32%)
Nikon S32 has approx. 32% higher pixel density than Panasonic FT20.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic FT20
Nikon S32
Crop factor
5.69
7.21
Total megapixels
16.60
14.17
Effective megapixels
16.10
13.20
Optical zoom
4x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, Hi Auto (1600-6400), 100, 200, 400, 800, 1600
125-1600
RAW
Manual focus
Normal focus range
50 cm
30 cm
Macro focus range
10 cm
5 cm
Focal length (35mm equiv.)
25 - 100 mm
30 - 90 mm
Aperture priority
No
No
Max. aperture
f3.9 - f5.7
f3.3 - f5.9
Max. aperture (35mm equiv.)
f22.2 - f32.4
f23.8 - f42.5
Metering
Multi-segment
Matrix, center-weighted, spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
8 sec
4 sec
Max. shutter speed
1/1300 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
4
4
Screen size
2.7"
2.7"
Screen resolution
230,000 dots
230,000 dots
Video capture
Max. video resolution
1920x1080 (30p)
Storage types
SDHC, SDXC, Secure Digital
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable battery
EN-EL19 rechargeable Li-ion battery
Weight
142 g
175 g
Dimensions
101 x 58 x 19 mm
107.6 x 66.1 x 40.4 mm
Year
2012
2014




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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

Panasonic FT20 diagonal

The diagonal of FT20 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of that value - 7.6 mm. If you want to know why, see sensor sizes.

w = 6.08 mm
h = 4.56 mm
Diagonal =  6.08² + 4.56²   = 7.60 mm

Nikon S32 diagonal

The diagonal of S32 sensor is not 1/3 or 0.33" (8.5 mm) as you might expect, but approximately two thirds of that value - 6 mm. If you want to know why, see sensor sizes.

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.

FT20 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 mm²

S32 sensor area

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

FT20 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4627 pixels
Pixel pitch =   6.08  × 1000  = 1.31 µm
4627

S32 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

FT20 pixel area

Pixel pitch = 1.31 µm

Pixel area = 1.31² = 1.72 µm²

S32 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

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

FT20 pixel density

Sensor resolution width = 4627 pixels
Sensor width = 0.608 cm

Pixel density = (4627 / 0.608)² / 1000000 = 57.92 MP/cm²

S32 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

FT20 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 16.10
r = 6.08/4.56 = 1.33
X =  16.10 × 1000000  = 3479
1.33
Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479

Sensor resolution = 4627 x 3479

S32 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


FT20 crop factor

Sensor diagonal in mm = 7.60 mm
Crop factor =   43.27  = 5.69
7.60

S32 crop factor

Sensor diagonal in mm = 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).

FT20 equivalent aperture

Crop factor = 5.69
Aperture = f3.9 - f5.7

35-mm equivalent aperture = (f3.9 - f5.7) × 5.69 = f22.2 - f32.4

S32 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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