Fujifilm FinePix 50i vs. Nikon D5000

Comparison

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Fujifilm FinePix 50i

Nikon D5000

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Megapixels

2.40

12.30

Max. image resolution

2400 x 1800

4288 x 2848

Sensor

Sensor type

CCD

CMOS

Sensor size

1/1.7" (~ 7.53 x 5.64 mm)

23.6 x 15.8 mm

Sensor resolution

1793 x 1338

4281 x 2873

Diagonal

9.41 mm

28.40 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	:	8.78
(ratio)

Fujifilm FinePix 50i		Nikon D5000

Surface area:

42.47 mm²

372.88 mm²

Difference: 330.41 mm² (778%)

D5000 sensor is approx. 8.78x bigger than 50i sensor.

Note: You are comparing sensors of very different generations. There is a gap of 8 years between Fujifilm 50i (2001) and Nikon D5000 (2009). Eight years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.

Pixel pitch

4.2 µm

5.51 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: 1.31 µm (31%)

Pixel pitch of D5000 is approx. 31% higher than pixel pitch of 50i.

Pixel area

17.64 µm²

30.36 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:

Pixel area difference: 12.72 µm² (72%)

A pixel on Nikon D5000 sensor is approx. 72% bigger than a pixel on Fujifilm 50i.

Pixel density

5.67 MP/cm²

3.29 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: 2.38 µm (72%)

Fujifilm 50i has approx. 72% higher pixel density than Nikon D5000.

To learn about the accuracy of these numbers, click here.

Specs

Fujifilm 50i

Nikon D5000

Crop factor

4.6

1.52

Total megapixels

2.40

12.90

Effective megapixels

2.40

12.30

Optical zoom

Digital zoom

Yes

ISO sensitivity

125

Auto, 200 - 3200 (plus 6400 with boost)

RAW

Manual focus

Normal focus range

50 cm

Macro focus range

6 cm

Focal length (35mm equiv.)

36 mm

Aperture priority

Yes

Max. aperture

f2.8

Max. aperture (35mm equiv.)

f12.9

n/a

Metering

64-segment

3D Matrix metering II, Centre weighted, Spot

Exposure compensation

±1.5 EV (in 1/3 EV steps)

±5 EV (in 1/3 EV, 1/2 EV steps)

Shutter priority

Yes

Min. shutter speed

1/4 sec

30 sec

Max. shutter speed

1/1000 sec

1/4000 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

Optical (pentamirror)

White balance presets

Screen size

1.5"

2.7"

Screen resolution

110,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

SmartMedia

SDHC, Secure Digital

USB

USB 1.0

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

AA NiMH (2) batteries (supplied)

Nikon EN-EL9a Lithium-Ion battery

Weight

160 g

590 g

Dimensions

113 x 34.5 x 66 mm

127 x 104 x 80 mm

Year

2001

2009

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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 50i diagonal

The diagonal of 50i 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

Nikon D5000 diagonal

w = 23.60 mm
h = 15.80 mm

Diagonal = √

23.60² + 15.80²

= 28.40 mm

Surface area

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

50i sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 mm²

D5000 sensor area

Width = 23.60 mm
Height = 15.80 mm

Surface area = 23.60 × 15.80 = 372.88 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

50i pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 1793 pixels

Pixel pitch =	7.53	× 1000	= 4.2 µm
	1793

D5000 pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4281 pixels

Pixel pitch =	23.60	× 1000	= 5.51 µm
	4281

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

50i pixel area

Pixel pitch = 4.2 µm

Pixel area = 4.2² = 17.64 µm²

D5000 pixel area

Pixel pitch = 5.51 µm

Pixel area = 5.51² = 30.36 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

50i pixel density

Sensor resolution width = 1793 pixels
Sensor width = 0.753 cm

Pixel density = (1793 / 0.753)² / 1000000 = 5.67 MP/cm²

D5000 pixel density

Sensor resolution width = 4281 pixels
Sensor width = 2.36 cm

Pixel density = (4281 / 2.36)² / 1000000 = 3.29 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

50i sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 2.40

r = 7.53/5.64 = 1.34

X = √	2.40 × 1000000	= 1338
	1.34

Resolution horizontal: X × r = 1338 × 1.34 = 1793
Resolution vertical: X = 1338

Sensor resolution = 1793 x 1338

D5000 sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.80 mm
Effective megapixels = 12.30

r = 23.60/15.80 = 1.49

X = √	12.30 × 1000000	= 2873
	1.49

Resolution horizontal: X × r = 2873 × 1.49 = 4281
Resolution vertical: X = 2873

Sensor resolution = 4281 x 2873

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

50i crop factor

Sensor diagonal in mm = 9.41 mm

Crop factor =	43.27	= 4.6
	9.41

D5000 crop factor

Sensor diagonal in mm = 28.40 mm

Crop factor =	43.27	= 1.52
	28.40

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).

50i equivalent aperture

Crop factor = 4.6
Aperture = f2.8

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

D5000 equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Nikon D5000, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Nikon D5000 is 1.52

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