Fujifilm FinePix 40i vs. Canon IXUS 180

Comparison

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Fujifilm FinePix 40i

Canon IXUS 180

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Megapixels

2.40

20.00

Max. image resolution

2400 x 1800

5152 x 3864

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

1786 x 1343

5158 x 3878

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 40i		Canon IXUS 180

Surface area:

21.32 mm²

28.46 mm²

Difference: 7.14 mm² (33%)

IXUS 180 sensor is approx. 1.33x bigger than 40i sensor.

Note: You are comparing sensors of vastly different generations. There is a gap of 16 years between Fujifilm 40i (2000) and Canon IXUS 180 (2016). Sixteen years is a huge amount of time, technology wise, resulting in newer sensor being much more efficient than the older one.

Pixel pitch

2.98 µm

1.19 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: 1.79 µm (150%)

Pixel pitch of 40i is approx. 150% higher than pixel pitch of IXUS 180.

Pixel area

8.88 µm²

1.42 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: 7.46 µm² (525%)

A pixel on Fujifilm 40i sensor is approx. 525% bigger than a pixel on Canon IXUS 180.

Pixel density

11.23 MP/cm²

70.11 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: 58.88 µm (524%)

Canon IXUS 180 has approx. 524% higher pixel density than Fujifilm 40i.

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

Specs

Fujifilm 40i

Canon IXUS 180

Crop factor

6.5

5.62

Total megapixels

2.40

20.50

Effective megapixels

2.40

20.00

Optical zoom

10x

Digital zoom

Yes

ISO sensitivity

200

Auto, 100-1600

RAW

Manual focus

Normal focus range

50 cm

5 cm

Macro focus range

6 cm

1 cm

Focal length (35mm equiv.)

36 mm

24 - 240 mm

Aperture priority

Max. aperture

f2.8

f3 - f6.9

Max. aperture (35mm equiv.)

f18.2

f16.9 - f38.8

Metering

64-segment

Multi, Center-weighted, Spot

Exposure compensation

±1.5 EV (in 1/3 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

1/4 sec

15 sec

Max. shutter speed

1/1000 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

None

White balance presets

Screen size

1.8"

2.7"

Screen resolution

110,000 dots

230,400 dots

Video capture

Max. video resolution

1280x720 (25p)

Storage types

SmartMedia

SD/SDHC/SDXC

USB

USB 1.0

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

AA NiMH (2) batteries (supplied)

NB-11LH lithium-ion battery

Weight

155 g

138 g

Dimensions

85.5 x 71 x 28.5 mm

95.3 x 56.8 x 23.6 mm

Year

2000

2016

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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 40i diagonal

The diagonal of 40i 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

Canon IXUS 180 diagonal

The diagonal of IXUS 180 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.

40i sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

IXUS 180 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

40i pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1786 pixels

Pixel pitch =	5.33	× 1000	= 2.98 µm
	1786

IXUS 180 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5158 pixels

Pixel pitch =	6.16	× 1000	= 1.19 µm
	5158

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

40i pixel area

Pixel pitch = 2.98 µm

Pixel area = 2.98² = 8.88 µm²

IXUS 180 pixel area

Pixel pitch = 1.19 µm

Pixel area = 1.19² = 1.42 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

40i pixel density

Sensor resolution width = 1786 pixels
Sensor width = 0.533 cm

Pixel density = (1786 / 0.533)² / 1000000 = 11.23 MP/cm²

IXUS 180 pixel density

Sensor resolution width = 5158 pixels
Sensor width = 0.616 cm

Pixel density = (5158 / 0.616)² / 1000000 = 70.11 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

40i sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 2.40

r = 5.33/4.00 = 1.33

X = √	2.40 × 1000000	= 1343
	1.33

Resolution horizontal: X × r = 1343 × 1.33 = 1786
Resolution vertical: X = 1343

Sensor resolution = 1786 x 1343

IXUS 180 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 20.00

r = 6.16/4.62 = 1.33

X = √	20.00 × 1000000	= 3878
	1.33

Resolution horizontal: X × r = 3878 × 1.33 = 5158
Resolution vertical: X = 3878

Sensor resolution = 5158 x 3878

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

40i crop factor

Sensor diagonal in mm = 6.66 mm

Crop factor =	43.27	= 6.5
	6.66

IXUS 180 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).

40i equivalent aperture

Crop factor = 6.5
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 6.5 = f18.2

IXUS 180 equivalent aperture

Crop factor = 5.62
Aperture = f3 - f6.9

35-mm equivalent aperture = (f3 - f6.9) × 5.62 = f16.9 - f38.8

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