Fujifilm FinePix AV110 vs. Casio Exilim EX-Z9

Comparison

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Fujifilm FinePix AV110

Casio Exilim EX-Z9

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Megapixels

12.20

8.10

Max. image resolution

4000 x 3000

3264 x 2448

Sensor

Sensor type

CCD

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

1/2.5" (~ 5.75 x 4.32 mm)

Sensor resolution

4029 x 3029

3282 x 2468

Diagonal

7.70 mm

7.19 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
1.15	:	1
(ratio)

Fujifilm FinePix AV110		Casio Exilim EX-Z9

Surface area:

28.46 mm²

24.84 mm²

Difference: 3.62 mm² (15%)

AV110 sensor is approx. 1.15x bigger than Z9 sensor.

Note: You are comparing cameras of different generations. There is a 2 year gap between Fujifilm AV110 (2010) and Casio Z9 (2008). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

1.53 µm

1.75 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: 0.22 µm (14%)

Pixel pitch of Z9 is approx. 14% higher than pixel pitch of AV110.

Pixel area

2.34 µm²

3.06 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: 0.72 µm² (31%)

A pixel on Casio Z9 sensor is approx. 31% bigger than a pixel on Fujifilm AV110.

Pixel density

42.78 MP/cm²

32.58 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: 10.2 µm (31%)

Fujifilm AV110 has approx. 31% higher pixel density than Casio Z9.

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

Specs

Fujifilm AV110

Casio Z9

Crop factor

5.62

6.02

Total megapixels

8.30

Effective megapixels

8.10

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

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

Auto, 64, 100, 200, 400, 800, 1600

RAW

Manual focus

Normal focus range

60 cm

40 cm

Macro focus range

10 cm

15 cm

Focal length (35mm equiv.)

32 - 96 mm

38 - 113 mm

Aperture priority

Max. aperture

f2.9 - f5.2

f2.8 - f5.2

Max. aperture (35mm equiv.)

f16.3 - f29.2

f16.9 - f31.3

Metering

TTL 256-zones metering

Centre weighted, Multi-pattern, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

8 sec

4 sec

Max. shutter speed

1/1400 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

2.7"

2.6"

Screen resolution

230,000 dots

114,960 dots

Video capture

Max. video resolution

Storage types

SDHC, Secure Digital

MultiMedia, SDHC, Secure Digital

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

2x AA

Casio NP-60 Li Ion battery

Weight

119 g

127 g

Dimensions

93.0 x 60.2 x 27.8 mm

92.5 x 55.1 x 23.1 mm

Year

2010

2008

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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 AV110 diagonal

The diagonal of AV110 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

Casio Z9 diagonal

The diagonal of Z9 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm

Diagonal = √

5.75² + 4.32²

= 7.19 mm

Surface area

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

AV110 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Z9 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

AV110 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4029 pixels

Pixel pitch =	6.16	× 1000	= 1.53 µm
	4029

Z9 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 3282 pixels

Pixel pitch =	5.75	× 1000	= 1.75 µm
	3282

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

AV110 pixel area

Pixel pitch = 1.53 µm

Pixel area = 1.53² = 2.34 µm²

Z9 pixel area

Pixel pitch = 1.75 µm

Pixel area = 1.75² = 3.06 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

AV110 pixel density

Sensor resolution width = 4029 pixels
Sensor width = 0.616 cm

Pixel density = (4029 / 0.616)² / 1000000 = 42.78 MP/cm²

Z9 pixel density

Sensor resolution width = 3282 pixels
Sensor width = 0.575 cm

Pixel density = (3282 / 0.575)² / 1000000 = 32.58 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

AV110 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.20

r = 6.16/4.62 = 1.33

X = √	12.20 × 1000000	= 3029
	1.33

Resolution horizontal: X × r = 3029 × 1.33 = 4029
Resolution vertical: X = 3029

Sensor resolution = 4029 x 3029

Z9 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 8.10

r = 5.75/4.32 = 1.33

X = √	8.10 × 1000000	= 2468
	1.33

Resolution horizontal: X × r = 2468 × 1.33 = 3282
Resolution vertical: X = 2468

Sensor resolution = 3282 x 2468

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

AV110 crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

Z9 crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

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).

AV110 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

Z9 equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f5.2

35-mm equivalent aperture = (f2.8 - f5.2) × 6.02 = f16.9 - f31.3

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