Canon PowerShot ELPH 180 vs. Kodak EasyShare C1550

Comparison

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PowerShot ELPH 180 image
vs
EasyShare C1550 image
Canon PowerShot ELPH 180 Kodak EasyShare C1550
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Megapixels
20.00
16.60
Max. image resolution
5152 x 3864
4608 x 3440

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
5158 x 3878
4699 x 3533
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)
Canon PowerShot ELPH 180 Kodak EasyShare C1550
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
ELPH 180 and C1550 sensors are the same size.
Note: You are comparing cameras of different generations. There is a 5 year gap between Canon ELPH 180 (2016) and Kodak C1550 (2011). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.19 µm
1.31 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: 0.12 µm (10%)
Pixel pitch of C1550 is approx. 10% higher than pixel pitch of ELPH 180.
Pixel area
1.42 µm²
1.72 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: 0.3 µm² (21%)
A pixel on Kodak C1550 sensor is approx. 21% bigger than a pixel on Canon ELPH 180.
Pixel density
70.11 MP/cm²
58.19 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: 11.92 µm (20%)
Canon ELPH 180 has approx. 20% higher pixel density than Kodak C1550.
To learn about the accuracy of these numbers, click here.



Specs

Canon ELPH 180
Kodak C1550
Crop factor
5.62
5.62
Total megapixels
20.50
Effective megapixels
20.00
Optical zoom
8x
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100-1600
Auto, 80, 100, 200, 400, 800, 1250
RAW
Manual focus
Normal focus range
5 cm
30 cm
Macro focus range
1 cm
5 cm
Focal length (35mm equiv.)
28 - 224 mm
27 - 135 mm
Aperture priority
No
No
Max. aperture
f3.2 - f6.9
Max. aperture (35mm equiv.)
f18 - f38.8
n/a
Metering
Multi, Center-weighted, Spot
Centre weighted
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
15 sec
1/4 sec
Max. shutter speed
1/2000 sec
1/1400 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
5
Screen size
2.7"
3"
Screen resolution
230,400 dots
230,000 dots
Video capture
Max. video resolution
1280x720 (25p)
Storage types
SD/SDHC/SDXC
SDHC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
NB-11LH lithium-ion battery
2x AA
Weight
126 g
130 g
Dimensions
95.2 x 54.3 x 22.1 mm
93.9 x 60.7 x 30.5 mm
Year
2016
2011




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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

Canon ELPH 180 diagonal

The diagonal of ELPH 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

Kodak C1550 diagonal

The diagonal of C1550 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.

ELPH 180 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

C1550 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

ELPH 180 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5158 pixels
Pixel pitch =   6.16  × 1000  = 1.19 µm
5158

C1550 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4699 pixels
Pixel pitch =   6.16  × 1000  = 1.31 µm
4699


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

ELPH 180 pixel area

Pixel pitch = 1.19 µm

Pixel area = 1.19² = 1.42 µm²

C1550 pixel area

Pixel pitch = 1.31 µm

Pixel area = 1.31² = 1.72 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

ELPH 180 pixel density

Sensor resolution width = 5158 pixels
Sensor width = 0.616 cm

Pixel density = (5158 / 0.616)² / 1000000 = 70.11 MP/cm²

C1550 pixel density

Sensor resolution width = 4699 pixels
Sensor width = 0.616 cm

Pixel density = (4699 / 0.616)² / 1000000 = 58.19 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

ELPH 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

C1550 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.60
r = 6.16/4.62 = 1.33
X =  16.60 × 1000000  = 3533
1.33
Resolution horizontal: X × r = 3533 × 1.33 = 4699
Resolution vertical: X = 3533

Sensor resolution = 4699 x 3533


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


ELPH 180 crop factor

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

C1550 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).

ELPH 180 equivalent aperture

Crop factor = 5.62
Aperture = f3.2 - f6.9

35-mm equivalent aperture = (f3.2 - f6.9) × 5.62 = f18 - f38.8

C1550 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 C1550, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Kodak C1550 is 5.62

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