Panasonic Lumix DMC-FZ30 vs. Fujifilm FinePix S1800

Comparison

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Lumix DMC-FZ30 image
vs
FinePix S1800 image
Panasonic Lumix DMC-FZ30 Fujifilm FinePix S1800
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Megapixels
8.00
12.20
Max. image resolution
3264 x 2448
4000 x 3000

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.8" (~ 7.11 x 5.33 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
3262 x 2453
4029 x 3029
Diagonal
8.89 mm
7.70 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
1.33 : 1
(ratio)
Panasonic Lumix DMC-FZ30 Fujifilm FinePix S1800
Surface area:
37.90 mm² vs 28.46 mm²
Difference: 9.44 mm² (33%)
FZ30 sensor is approx. 1.33x bigger than S1800 sensor.
Note: You are comparing cameras of different generations. There is a 5 year gap between Panasonic FZ30 (2005) and Fujifilm S1800 (2010). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
2.18 µm
1.53 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: 0.65 µm (42%)
Pixel pitch of FZ30 is approx. 42% higher than pixel pitch of S1800.
Pixel area
4.75 µm²
2.34 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: 2.41 µm² (103%)
A pixel on Panasonic FZ30 sensor is approx. 103% bigger than a pixel on Fujifilm S1800.
Pixel density
21.05 MP/cm²
42.78 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: 21.73 µm (103%)
Fujifilm S1800 has approx. 103% higher pixel density than Panasonic FZ30.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic FZ30
Fujifilm S1800
Crop factor
4.87
5.62
Total megapixels
8.30
Effective megapixels
8.00
12.20
Optical zoom
12x
18x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400
Auto, 64, 100, 200, 400, 800, 1600, 3200, 6400
RAW
Manual focus
Normal focus range
30 cm
40 cm
Macro focus range
5 cm
2 cm
Focal length (35mm equiv.)
35 - 420 mm
28 - 504 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f3.7
f3.1 - f5.6
Max. aperture (35mm equiv.)
f13.6 - f18
f17.4 - f31.5
Metering
Centre weighted, Multi-segment, Spot
TTL 256-zones metering
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
60 sec
8 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Electronic
Electronic
White balance presets
7
6
Screen size
2"
3"
Screen resolution
230,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
SDHC, Secure Digital
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable
4 x AA batteries (Alkaline, NiMH or Lithium)
Weight
674 g
337 g
Dimensions
141 x 86 x 138 mm
110.2 x 73.4 x 81.4 mm
Year
2005
2010




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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 FZ30 diagonal

The diagonal of FZ30 sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm
Diagonal =  7.11² + 5.33²   = 8.89 mm

Fujifilm S1800 diagonal

The diagonal of S1800 sensor is not 1/2.3 or 0.43" (11 mm) as you might expect, but approximately two thirds of that value - 7.7 mm. 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.

FZ30 sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

S1800 sensor 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

FZ30 pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 3262 pixels
Pixel pitch =   7.11  × 1000  = 2.18 µm
3262

S1800 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4029 pixels
Pixel pitch =   6.16  × 1000  = 1.53 µm
4029


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

FZ30 pixel area

Pixel pitch = 2.18 µm

Pixel area = 2.18² = 4.75 µm²

S1800 pixel area

Pixel pitch = 1.53 µm

Pixel area = 1.53² = 2.34 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

FZ30 pixel density

Sensor resolution width = 3262 pixels
Sensor width = 0.711 cm

Pixel density = (3262 / 0.711)² / 1000000 = 21.05 MP/cm²

S1800 pixel density

Sensor resolution width = 4029 pixels
Sensor width = 0.616 cm

Pixel density = (4029 / 0.616)² / 1000000 = 42.78 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

FZ30 sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 8.00
r = 7.11/5.33 = 1.33
X =  8.00 × 1000000  = 2453
1.33
Resolution horizontal: X × r = 2453 × 1.33 = 3262
Resolution vertical: X = 2453

Sensor resolution = 3262 x 2453

S1800 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.20
r = 6.16/4.62 = 1.33
X =  12.20 × 1000000  = 3029
1.33
Resolution horizontal: X × r = 3029 × 1.33 = 4029
Resolution vertical: X = 3029

Sensor resolution = 4029 x 3029


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


FZ30 crop factor

Sensor diagonal in mm = 8.89 mm
Crop factor =   43.27  = 4.87
8.89

S1800 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).

FZ30 equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f3.7

35-mm equivalent aperture = (f2.8 - f3.7) × 4.87 = f13.6 - f18

S1800 equivalent aperture

Crop factor = 5.62
Aperture = f3.1 - f5.6

35-mm equivalent aperture = (f3.1 - f5.6) × 5.62 = f17.4 - f31.5

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