Fujifilm FinePix F45fd vs. Fujifilm FinePix F47fd
Comparison
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Fujifilm FinePix F45fd | Fujifilm FinePix F47fd | ||||
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Megapixels
8.30
9.03
Max. image resolution
3296 x 2472
3488 x 2616
Sensor
Sensor type
CCD
CCD
Sensor size
1/1.6" (~ 8 x 6 mm)
1/1.6" (~ 8 x 6 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 »
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 »
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Fujifilm FinePix F45fd | Fujifilm FinePix F47fd |
Surface area:
48.00 mm² | vs | 48.00 mm² |
Difference: 0 mm² (0%)
F45fd and F47fd sensors are the same size.
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.
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 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.
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: 0.47 µm² (9%)
A pixel on Fujifilm F45fd sensor is approx. 9% bigger than a pixel on Fujifilm F47fd.
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.
Higher pixel density means smaller pixels and lower pixel density means larger pixels.
To learn about the accuracy of these numbers,
click here.
Specs
Fujifilm F45fd
Fujifilm F47fd
Total megapixels
Effective megapixels
Optical zoom
Yes
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 2000
Auto, 100, 200, 400, 800, 1600, 2000
RAW
Manual focus
Normal focus range
45 cm
50 cm
Macro focus range
7 cm
7 cm
Focal length (35mm equiv.)
36 - 108 mm
36 - 108 mm
Aperture priority
No
No
Max. aperture
f2.8 - f5.1
f2.8 - f5.1
Metering
Matrix, Multi-segment, Spot
256-segment Matrix, Matrix, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
3 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
Secure Digital, xD Picture card
xD Picture card
USB
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Li-Ion
Li-Ion
Weight
181 g
155 g
Dimensions
95.7 x 59.0 x 23.3 mm
92.7 x 56.7 x 27.8 mm
Year
2007
2007
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Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
Diagonal = √ | w² + h² |
Fujifilm F45fd diagonal
The diagonal of F45fd 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
w = 8.00 mm
h = 6.00 mm
Diagonal = √ | 8.00² + 6.00² | = 10.00 mm |
Fujifilm F47fd diagonal
The diagonal of F47fd 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
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.
F45fd sensor area
Width = 8.00 mm
Height = 6.00 mm
Surface area = 8.00 × 6.00 = 48.00 mm²
Height = 6.00 mm
Surface area = 8.00 × 6.00 = 48.00 mm²
F47fd sensor area
Width = 8.00 mm
Height = 6.00 mm
Surface area = 8.00 × 6.00 = 48.00 mm²
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 |
F45fd pixel pitch
Sensor width = 8.00 mm
Sensor resolution width = 3322 pixels
Sensor resolution width = 3322 pixels
Pixel pitch = | 8.00 | × 1000 | = 2.41 µm |
3322 |
F47fd pixel pitch
Sensor width = 8.00 mm
Sensor resolution width = 3466 pixels
Sensor resolution width = 3466 pixels
Pixel pitch = | 8.00 | × 1000 | = 2.31 µm |
3466 |
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
Pixel area = | sensor surface area in mm² |
effective megapixels |
F45fd pixel area
Pixel pitch = 2.41 µm
Pixel area = 2.41² = 5.81 µm²
Pixel area = 2.41² = 5.81 µm²
F47fd pixel area
Pixel pitch = 2.31 µm
Pixel area = 2.31² = 5.34 µm²
Pixel area = 2.31² = 5.34 µm²
Pixel density
Pixel density can be calculated with the following formula:
One could also use this 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 |
F45fd pixel density
Sensor resolution width = 3322 pixels
Sensor width = 0.8 cm
Pixel density = (3322 / 0.8)² / 1000000 = 17.24 MP/cm²
Sensor width = 0.8 cm
Pixel density = (3322 / 0.8)² / 1000000 = 17.24 MP/cm²
F47fd pixel density
Sensor resolution width = 3466 pixels
Sensor width = 0.8 cm
Pixel density = (3466 / 0.8)² / 1000000 = 18.77 MP/cm²
Sensor width = 0.8 cm
Pixel density = (3466 / 0.8)² / 1000000 = 18.77 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → |
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Resolution horizontal: X × r
Resolution vertical: X
F45fd sensor resolution
Sensor width = 8.00 mm
Sensor height = 6.00 mm
Effective megapixels = 8.30
Resolution horizontal: X × r = 2498 × 1.33 = 3322
Resolution vertical: X = 2498
Sensor resolution = 3322 x 2498
Sensor height = 6.00 mm
Effective megapixels = 8.30
r = 8.00/6.00 = 1.33 |
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Resolution vertical: X = 2498
Sensor resolution = 3322 x 2498
F47fd sensor resolution
Sensor width = 8.00 mm
Sensor height = 6.00 mm
Effective megapixels = 9.03
Resolution horizontal: X × r = 2606 × 1.33 = 3466
Resolution vertical: X = 2606
Sensor resolution = 3466 x 2606
Sensor height = 6.00 mm
Effective megapixels = 9.03
r = 8.00/6.00 = 1.33 |
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Resolution vertical: X = 2606
Sensor resolution = 3466 x 2606
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 |
F45fd crop factor
Sensor diagonal in mm = 10.00 mm
Crop factor = | 43.27 | = 4.33 |
10.00 |
F47fd 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).
F45fd 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
Aperture = f2.8 - f5.1
35-mm equivalent aperture = (f2.8 - f5.1) × 4.33 = f12.1 - f22.1
F47fd 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
Aperture = f2.8 - f5.1
35-mm equivalent aperture = (f2.8 - f5.1) × 4.33 = f12.1 - f22.1
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