Kodak EasyShare C433 vs. Kodak EasyShare C143

Comparison

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Kodak EasyShare C433

Kodak EasyShare C143

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Megapixels

4.00

12.50

Max. image resolution

2304 x 1728

4000 x 3000

Sensor

Sensor type

CCD

Sensor size

1/2.5" (~ 5.75 x 4.32 mm)

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

2306 x 1734

4078 x 3066

Diagonal

7.19 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

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	vs
1	:	1.15
(ratio)

Kodak EasyShare C433		Kodak EasyShare C143

Surface area:

24.84 mm²

28.46 mm²

Difference: 3.62 mm² (15%)

C143 sensor is approx. 1.15x bigger than C433 sensor.

Note: You are comparing cameras of different generations. There is a 4 year gap between Kodak C433 (2006) and Kodak C143 (2010). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

2.49 µm

1.51 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: 0.98 µm (65%)

Pixel pitch of C433 is approx. 65% higher than pixel pitch of C143.

Pixel area

6.2 µm²

2.28 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: 3.92 µm² (172%)

A pixel on Kodak C433 sensor is approx. 172% bigger than a pixel on Kodak C143.

Pixel density

16.08 MP/cm²

43.83 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: 27.75 µm (173%)

Kodak C143 has approx. 173% higher pixel density than Kodak C433.

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

Specs

Kodak C433

Kodak C143

Crop factor

6.02

5.62

Total megapixels

4.20

Effective megapixels

4.00

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

Auto, 80, 100, 200, 400, 800

Auto

RAW

Manual focus

Normal focus range

60 cm

10 cm

Macro focus range

10 cm

Focal length (35mm equiv.)

36 - 108 mm

32 - 96 mm

Aperture priority

Max. aperture

f2.7 - f4.9

Max. aperture (35mm equiv.)

f16.3 - f29.5

n/a

Metering

Centre weighted

Centre weighted, Multi-pattern

Exposure compensation

±2 EV (in 1/2 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

4 sec

1/8 sec

Max. shutter speed

1/1400 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

1.8"

2.7"

Screen resolution

201,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

MultiMedia, Secure Digital

SDHC, Secure Digital

USB

USB 1.0

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

AA (2) batteries (NiMH recommended)

2x AA

Weight

130 g

172 g

Dimensions

91 x 69 x 35 mm

93.8 x 62.0 x 30.1 mm

Year

2006

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

Kodak C433 diagonal

The diagonal of C433 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

Kodak C143 diagonal

The diagonal of C143 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.

C433 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

C143 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

C433 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2306 pixels

Pixel pitch =	5.75	× 1000	= 2.49 µm
	2306

C143 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4078 pixels

Pixel pitch =	6.16	× 1000	= 1.51 µm
	4078

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

C433 pixel area

Pixel pitch = 2.49 µm

Pixel area = 2.49² = 6.2 µm²

C143 pixel area

Pixel pitch = 1.51 µm

Pixel area = 1.51² = 2.28 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

C433 pixel density

Sensor resolution width = 2306 pixels
Sensor width = 0.575 cm

Pixel density = (2306 / 0.575)² / 1000000 = 16.08 MP/cm²

C143 pixel density

Sensor resolution width = 4078 pixels
Sensor width = 0.616 cm

Pixel density = (4078 / 0.616)² / 1000000 = 43.83 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

C433 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 4.00

r = 5.75/4.32 = 1.33

X = √	4.00 × 1000000	= 1734
	1.33

Resolution horizontal: X × r = 1734 × 1.33 = 2306
Resolution vertical: X = 1734

Sensor resolution = 2306 x 1734

C143 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.50

r = 6.16/4.62 = 1.33

X = √	12.50 × 1000000	= 3066
	1.33

Resolution horizontal: X × r = 3066 × 1.33 = 4078
Resolution vertical: X = 3066

Sensor resolution = 4078 x 3066

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

C433 crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

C143 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).

C433 equivalent aperture

Crop factor = 6.02
Aperture = f2.7 - f4.9

35-mm equivalent aperture = (f2.7 - f4.9) × 6.02 = f16.3 - f29.5

C143 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 Kodak C143, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Kodak C143 is 5.62

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