Kodak EasyShare Z915 vs. Fujifilm FinePix S4300

Comparison

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Kodak EasyShare Z915

Fujifilm FinePix S4300

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Megapixels

10.00

14.00

Max. image resolution

3648 x 2736

4288 x 3216

Sensor

Sensor type

CCD

n/a

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

3647 x 2742

4315 x 3244

Diagonal

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
(ratio)

Kodak EasyShare Z915		Fujifilm FinePix S4300

Surface area:

28.46 mm²

Difference: 0 mm² (0%)

Z915 and S4300 sensors are the same size.

Note: You are comparing cameras of different generations. There is a 3 year gap between Kodak Z915 (2009) and Fujifilm S4300 (2012). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

1.69 µm

1.43 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: 0.26 µm (18%)

Pixel pitch of Z915 is approx. 18% higher than pixel pitch of S4300.

Pixel area

2.86 µm²

2.04 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: 0.82 µm² (40%)

A pixel on Kodak Z915 sensor is approx. 40% bigger than a pixel on Fujifilm S4300.

Pixel density

35.05 MP/cm²

49.07 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: 14.02 µm (40%)

Fujifilm S4300 has approx. 40% higher pixel density than Kodak Z915.

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

Specs

Kodak Z915

Fujifilm S4300

Crop factor

5.62

Total megapixels

Effective megapixels

10.00

Optical zoom

10x

Digital zoom

Yes

ISO sensitivity

Auto, 100, 200, 400, 800, 1600

RAW

Manual focus

Normal focus range

60 cm

Macro focus range

10 cm

Focal length (35mm equiv.)

35 - 350 mm

Aperture priority

Yes

Max. aperture

f3.5 - f4.8

Max. aperture (35mm equiv.)

f19.7 - f27

n/a

Metering

Centre weighted, Multi-pattern, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

16 sec

Max. shutter speed

1/1250 sec

Built-in flash

External flash

Viewfinder

None

Electronic

White balance presets

Screen size

2.5"

Screen resolution

230,000 dots

Video capture

Max. video resolution

Storage types

SDHC, Secure Digital

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

2 x AA batteries (NiMH)

Weight

220 g

Dimensions

107 x 72.4 x 35.7 mm

Year

2009

2012

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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

Kodak Z915 diagonal

The diagonal of Z915 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 S4300 diagonal

The diagonal of S4300 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.

Z915 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

S4300 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

Z915 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3647 pixels

Pixel pitch =	6.16	× 1000	= 1.69 µm
	3647

S4300 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4315 pixels

Pixel pitch =	6.16	× 1000	= 1.43 µm
	4315

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

Z915 pixel area

Pixel pitch = 1.69 µm

Pixel area = 1.69² = 2.86 µm²

S4300 pixel area

Pixel pitch = 1.43 µm

Pixel area = 1.43² = 2.04 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

Z915 pixel density

Sensor resolution width = 3647 pixels
Sensor width = 0.616 cm

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

S4300 pixel density

Sensor resolution width = 4315 pixels
Sensor width = 0.616 cm

Pixel density = (4315 / 0.616)² / 1000000 = 49.07 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

Z915 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

S4300 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.00

r = 6.16/4.62 = 1.33

X = √	14.00 × 1000000	= 3244
	1.33

Resolution horizontal: X × r = 3244 × 1.33 = 4315
Resolution vertical: X = 3244

Sensor resolution = 4315 x 3244

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

Z915 crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

S4300 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).

Z915 equivalent aperture

Crop factor = 5.62
Aperture = f3.5 - f4.8

35-mm equivalent aperture = (f3.5 - f4.8) × 5.62 = f19.7 - f27

S4300 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 Fujifilm S4300, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Fujifilm S4300 is 5.62

More comparisons of Kodak Z915:

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