Fujifilm FinePix F30 Zoom vs. Fujifilm FinePix F40fd

Comparison

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FinePix F30 Zoom image
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FinePix F40fd image
Fujifilm FinePix F30 Zoom Fujifilm FinePix F40fd
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Megapixels
6.10
8.10
Max. image resolution
2848 x 2136
3296 x 2472

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.7" (~ 7.53 x 5.64 mm)
1/1.6" (~ 8 x 6 mm)
Sensor resolution
2860 x 2134
3282 x 2468
Diagonal
9.41 mm
10.00 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 : 1.13
(ratio)
Fujifilm FinePix F30 Zoom Fujifilm FinePix F40fd
Surface area:
42.47 mm² vs 48.00 mm²
Difference: 5.53 mm² (13%)
F40fd sensor is approx. 1.13x bigger than F30 Zoom sensor.
Pixel pitch
2.63 µm
2.44 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: 0.19 µm (8%)
Pixel pitch of F30 Zoom is approx. 8% higher than pixel pitch of F40fd.
Pixel area
6.92 µm²
5.95 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: 0.97 µm² (16%)
A pixel on Fujifilm F30 Zoom sensor is approx. 16% bigger than a pixel on Fujifilm F40fd.
Pixel density
14.43 MP/cm²
16.83 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: 2.4 µm (17%)
Fujifilm F40fd has approx. 17% higher pixel density than Fujifilm F30 Zoom.
To learn about the accuracy of these numbers, click here.



Specs

Fujifilm F30 Zoom
Fujifilm F40fd
Crop factor
4.6
4.33
Total megapixels
6.30
8.30
Effective megapixels
6.10
8.10
Optical zoom
3x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200
Auto, 100, 200, 400, 800, 1600, 2000
RAW
Manual focus
Normal focus range
60 cm
45 cm
Macro focus range
5 cm
7 cm
Focal length (35mm equiv.)
36 - 108 mm
35 - 105 mm
Aperture priority
Yes
No
Max. aperture
f2.8 - f5.0
f2.8 - f5.1
Max. aperture (35mm equiv.)
f12.9 - f23
f12.1 - f22.1
Metering
Multi, Average, Spot
Matrix, Multi-segment, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
No
Min. shutter speed
15 sec
3 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
6
Screen size
2.5"
2.5"
Screen resolution
230,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
xD Picture Card, Internal
xD Picture card
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion (NP-95)
Lithium-Ion (NP-70)
Weight
185 g
181 g
Dimensions
93 x 57 x 28 mm
95.7 x 59.0 x 23.3 mm
Year
2006
2007




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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

Fujifilm F30 Zoom diagonal

The diagonal of F30 Zoom sensor is not 1/1.7 or 0.59" (14.9 mm) as you might expect, but approximately two thirds of that value - 9.41 mm. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm
Diagonal = √  7.53² + 5.64²   = 9.41 mm

Fujifilm F40fd diagonal

The diagonal of F40fd sensor is not 1/1.6 or 0.63" (15.9 mm) as you might expect, but approximately two thirds of that value - 10 mm. If you want to know why, see sensor sizes.

w = 8.00 mm
h = 6.00 mm
Diagonal = √  8.00² + 6.00²   = 10.00 mm


Surface area

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

F30 Zoom sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 mm²

F40fd sensor area

Width = 8.00 mm
Height = 6.00 mm

Surface area = 8.00 × 6.00 = 48.00 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

F30 Zoom pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 2860 pixels
Pixel pitch =   7.53  × 1000  = 2.63 µm
2860

F40fd pixel pitch

Sensor width = 8.00 mm
Sensor resolution width = 3282 pixels
Pixel pitch =   8.00  × 1000  = 2.44 µm
3282


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

F30 Zoom pixel area

Pixel pitch = 2.63 µm

Pixel area = 2.63² = 6.92 µm²

F40fd pixel area

Pixel pitch = 2.44 µm

Pixel area = 2.44² = 5.95 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

F30 Zoom pixel density

Sensor resolution width = 2860 pixels
Sensor width = 0.753 cm

Pixel density = (2860 / 0.753)² / 1000000 = 14.43 MP/cm²

F40fd pixel density

Sensor resolution width = 3282 pixels
Sensor width = 0.8 cm

Pixel density = (3282 / 0.8)² / 1000000 = 16.83 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

F30 Zoom sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 6.10
r = 7.53/5.64 = 1.34
X = √  6.10 × 1000000  = 2134
1.34
Resolution horizontal: X × r = 2134 × 1.34 = 2860
Resolution vertical: X = 2134

Sensor resolution = 2860 x 2134

F40fd sensor resolution

Sensor width = 8.00 mm
Sensor height = 6.00 mm
Effective megapixels = 8.10
r = 8.00/6.00 = 1.33
X = √  8.10 × 1000000  = 2468
1.33
Resolution horizontal: X × r = 2468 × 1.33 = 3282
Resolution vertical: X = 2468

Sensor resolution = 3282 x 2468


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


F30 Zoom crop factor

Sensor diagonal in mm = 9.41 mm
Crop factor =   43.27  = 4.6
9.41

F40fd crop factor

Sensor diagonal in mm = 10.00 mm
Crop factor =   43.27  = 4.33
10.00

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).

F30 Zoom equivalent aperture

Crop factor = 4.6
Aperture = f2.8 - f5.0

35-mm equivalent aperture = (f2.8 - f5.0) × 4.6 = f12.9 - f23

F40fd equivalent aperture

Crop factor = 4.33
Aperture = f2.8 - f5.1

35-mm equivalent aperture = (f2.8 - f5.1) × 4.33 = f12.1 - f22.1

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