Fujifilm FinePix Z200fd vs. Fujifilm FinePix F31fd

Comparison

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Fujifilm FinePix Z200fd

Fujifilm FinePix F31fd

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Megapixels

10.00

6.10

Max. image resolution

3648 x 2736

2848 x 2136

Sensor

Sensor type

CCD

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

1/1.7" (~ 7.53 x 5.64 mm)

Sensor resolution

3647 x 2742

2860 x 2134

Diagonal

7.70 mm

9.41 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	:	1.49
(ratio)

Fujifilm FinePix Z200fd		Fujifilm FinePix F31fd

Surface area:

28.46 mm²

42.47 mm²

Difference: 14.01 mm² (49%)

F31fd sensor is approx. 1.49x bigger than Z200fd sensor.

Note: You are comparing cameras of different generations. There is a 2 year gap between Fujifilm Z200fd (2008) and Fujifilm F31fd (2006). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

1.69 µm

2.63 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: 0.94 µm (56%)

Pixel pitch of F31fd is approx. 56% higher than pixel pitch of Z200fd.

Pixel area

2.86 µm²

6.92 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: 4.06 µm² (142%)

A pixel on Fujifilm F31fd sensor is approx. 142% bigger than a pixel on Fujifilm Z200fd.

Pixel density

35.05 MP/cm²

14.43 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: 20.62 µm (143%)

Fujifilm Z200fd has approx. 143% higher pixel density than Fujifilm F31fd.

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

Specs

Fujifilm Z200fd

Fujifilm F31fd

Crop factor

5.62

4.6

Total megapixels

6.30

Effective megapixels

10.00

6.10

Optical zoom

Digital zoom

Yes

ISO sensitivity

Auto

Auto, 100, 200, 400, 800, 1600, 3200

RAW

Manual focus

Normal focus range

60 cm

Macro focus range

9 cm

5 cm

Focal length (35mm equiv.)

33 - 165 mm

36 - 108 mm

Aperture priority

Yes

Max. aperture

f3.8 - f4.8

f2.8 - f5

Max. aperture (35mm equiv.)

f21.4 - f27

f12.9 - f23

Metering

TTL 256-zones metering

256-segment Matrix, Multi Spot, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

1 sec

15 sec

Max. shutter speed

1/1000 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

2.7"

2.5"

Screen resolution

230,000 dots

Video capture

Max. video resolution

Storage types

SDHC, Secure Digital, xD Picture card

xD Picture card

USB

USB 2.0 (480 Mbit/sec)

USB 1.0

HDMI

Wireless

GPS

Battery

Lithium-Ion (NP-45)

Lithium-Ion (NP-95)

Weight

134 g

155 g

Dimensions

92.0 x 55.7 x 20.0 mm

92.7 x 56.7 x 27.8 mm

Year

2008

2006

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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 Z200fd diagonal

The diagonal of Z200fd 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

Fujifilm F31fd diagonal

The diagonal of F31fd 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

Surface area

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

Z200fd sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

F31fd sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 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

Z200fd pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3647 pixels

Pixel pitch =	6.16	× 1000	= 1.69 µm
	3647

F31fd pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 2860 pixels

Pixel pitch =	7.53	× 1000	= 2.63 µm
	2860

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

Z200fd pixel area

Pixel pitch = 1.69 µm

Pixel area = 1.69² = 2.86 µm²

F31fd pixel area

Pixel pitch = 2.63 µm

Pixel area = 2.63² = 6.92 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

Z200fd pixel density

Sensor resolution width = 3647 pixels
Sensor width = 0.616 cm

Pixel density = (3647 / 0.616)² / 1000000 = 35.05 MP/cm²

F31fd pixel density

Sensor resolution width = 2860 pixels
Sensor width = 0.753 cm

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

Z200fd sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 10.00

r = 6.16/4.62 = 1.33

X = √	10.00 × 1000000	= 2742
	1.33

Resolution horizontal: X × r = 2742 × 1.33 = 3647
Resolution vertical: X = 2742

Sensor resolution = 3647 x 2742

F31fd 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

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

Z200fd crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

F31fd crop factor

Sensor diagonal in mm = 9.41 mm

Crop factor =	43.27	= 4.6
	9.41

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).

Z200fd equivalent aperture

Crop factor = 5.62
Aperture = f3.8 - f4.8

35-mm equivalent aperture = (f3.8 - f4.8) × 5.62 = f21.4 - f27

F31fd equivalent aperture

Crop factor = 4.6
Aperture = f2.8 - f5

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

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