Fujifilm FinePix A204 vs. Fujifilm FinePix A180

Comparison

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Fujifilm FinePix A204

Fujifilm FinePix A180

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Megapixels

2.10

10.20

Max. image resolution

1600 x 1200

3264 x 2448

Sensor

Sensor type

CCD

Sensor size

1/2.7" (~ 5.33 x 4 mm)

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

1672 x 1257

3683 x 2769

Diagonal

6.66 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	:	1.33
(ratio)

Fujifilm FinePix A204		Fujifilm FinePix A180

Surface area:

21.32 mm²

28.46 mm²

Difference: 7.14 mm² (33%)

A180 sensor is approx. 1.33x bigger than A204 sensor.

Note: You are comparing sensors of very different generations. There is a gap of 8 years between Fujifilm A204 (2002) and Fujifilm A180 (2010). 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

3.19 µm

1.67 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: 1.52 µm (91%)

Pixel pitch of A204 is approx. 91% higher than pixel pitch of A180.

Pixel area

10.18 µm²

2.79 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: 7.39 µm² (265%)

A pixel on Fujifilm A204 sensor is approx. 265% bigger than a pixel on Fujifilm A180.

Pixel density

9.84 MP/cm²

35.75 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: 25.91 µm (263%)

Fujifilm A180 has approx. 263% higher pixel density than Fujifilm A204.

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

Specs

Fujifilm A204

Fujifilm A180

Crop factor

6.5

5.62

Total megapixels

Effective megapixels

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

100

Auto, 100, 200, 400, 800, 1600

RAW

Manual focus

Normal focus range

80 cm

60 cm

Macro focus range

6 cm

10 cm

Focal length (35mm equiv.)

38 - 114 mm

32 - 96 mm

Aperture priority

Max. aperture

f3.5

f2.9 - f5.2

Max. aperture (35mm equiv.)

f22.8

f16.3 - f29.2

Metering

64-segment

TTL 256-zones metering

Exposure compensation

-2.1 - +1.5 EV (in 1/3 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

1/2 sec

8 sec

Max. shutter speed

1/1000 sec

1/1400 sec

Built-in flash

External flash

Viewfinder

Optical

None

White balance presets

Screen size

1.5"

2.7"

Screen resolution

55,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

xD Picture card

SDHC, Secure Digital

USB

USB 1.1

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

4x AA

2x AA

Weight

235 g

120 g

Dimensions

100 x 65 x 52 mm

93.0 x 60.0 x 21.9 mm

Year

2002

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

Fujifilm A204 diagonal

The diagonal of A204 sensor is not 1/2.7 or 0.37" (9.4 mm) as you might expect, but approximately two thirds of that value - 6.66 mm. If you want to know why, see sensor sizes.

w = 5.33 mm
h = 4.00 mm

Diagonal = √

5.33² + 4.00²

= 6.66 mm

Fujifilm A180 diagonal

The diagonal of A180 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.

A204 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

A180 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

A204 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1672 pixels

Pixel pitch =	5.33	× 1000	= 3.19 µm
	1672

A180 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3683 pixels

Pixel pitch =	6.16	× 1000	= 1.67 µm
	3683

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

A204 pixel area

Pixel pitch = 3.19 µm

Pixel area = 3.19² = 10.18 µm²

A180 pixel area

Pixel pitch = 1.67 µm

Pixel area = 1.67² = 2.79 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

A204 pixel density

Sensor resolution width = 1672 pixels
Sensor width = 0.533 cm

Pixel density = (1672 / 0.533)² / 1000000 = 9.84 MP/cm²

A180 pixel density

Sensor resolution width = 3683 pixels
Sensor width = 0.616 cm

Pixel density = (3683 / 0.616)² / 1000000 = 35.75 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

A204 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 2.10

r = 5.33/4.00 = 1.33

X = √	2.10 × 1000000	= 1257
	1.33

Resolution horizontal: X × r = 1257 × 1.33 = 1672
Resolution vertical: X = 1257

Sensor resolution = 1672 x 1257

A180 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 10.20

r = 6.16/4.62 = 1.33

X = √	10.20 × 1000000	= 2769
	1.33

Resolution horizontal: X × r = 2769 × 1.33 = 3683
Resolution vertical: X = 2769

Sensor resolution = 3683 x 2769

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

A204 crop factor

Sensor diagonal in mm = 6.66 mm

Crop factor =	43.27	= 6.5
	6.66

A180 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).

A204 equivalent aperture

Crop factor = 6.5
Aperture = f3.5

35-mm equivalent aperture = (f3.5) × 6.5 = f22.8

A180 equivalent aperture

Crop factor = 5.62
Aperture = f2.9 - f5.2

35-mm equivalent aperture = (f2.9 - f5.2) × 5.62 = f16.3 - f29.2

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