Kodak EasyShare M530 vs. Kodak EasyShare C143

Comparison

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EasyShare M530 image
vs
EasyShare C143 image
Kodak EasyShare M530 Kodak EasyShare C143
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Megapixels
12.00
12.50
Max. image resolution
4000 x 3000
4000 x 3000

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
3995 x 3004
4078 x 3066
Diagonal
7.70 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
(ratio)
Kodak EasyShare M530 Kodak EasyShare C143
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
M530 and C143 sensors are the same size.
Pixel pitch
1.54 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: 0.03 µm (2%)
Pixel pitch of M530 is approx. 2% higher than pixel pitch of C143.
Pixel area
2.37 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:
vs
Pixel area difference: 0.09 µm² (4%)
A pixel on Kodak M530 sensor is approx. 4% bigger than a pixel on Kodak C143.
Pixel density
42.06 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: 1.77 µm (4%)
Kodak C143 has approx. 4% higher pixel density than Kodak M530.
To learn about the accuracy of these numbers, click here.



Specs

Kodak M530
Kodak C143
Crop factor
5.62
5.62
Total megapixels
12.50
Effective megapixels
12.00
Optical zoom
3x
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100 - 1600
Auto
RAW
Manual focus
Normal focus range
50 cm
10 cm
Macro focus range
10 cm
10 cm
Focal length (35mm equiv.)
36 - 108 mm
32 - 96 mm
Aperture priority
No
No
Max. aperture
f2.8 - f5.0
Max. aperture (35mm equiv.)
f15.7 - f28.1
n/a
Metering
Multi, Center-weighted, Spot
Centre weighted, Multi-pattern
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
1/8 sec
1/8 sec
Max. shutter speed
1/1400 sec
1/1400 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
4
5
Screen size
2.7"
2.7"
Screen resolution
230,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
SDHC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Rechargeable Battery KLIC-7006
2x AA
Weight
150 g
172 g
Dimensions
94 x 57 x 23 mm
93.8 x 62.0 x 30.1 mm
Year
2010
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 M530 diagonal

The diagonal of M530 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

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.

M530 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 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

M530 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3995 pixels
Pixel pitch =   6.16  × 1000  = 1.54 µm
3995

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

M530 pixel area

Pixel pitch = 1.54 µm

Pixel area = 1.54² = 2.37 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

M530 pixel density

Sensor resolution width = 3995 pixels
Sensor width = 0.616 cm

Pixel density = (3995 / 0.616)² / 1000000 = 42.06 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

M530 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.00
r = 6.16/4.62 = 1.33
X = √  12.00 × 1000000  = 3004
1.33
Resolution horizontal: X × r = 3004 × 1.33 = 3995
Resolution vertical: X = 3004

Sensor resolution = 3995 x 3004

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


M530 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

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).

M530 equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f5.0

35-mm equivalent aperture = (f2.8 - f5.0) × 5.62 = f15.7 - f28.1

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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