Canon IXUS 130 vs. Nikon Coolpix 3500

Comparison

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IXUS 130 image
vs
Coolpix 3500 image
Canon IXUS 130 Nikon Coolpix 3500
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Megapixels
14.10
3.10
Max. image resolution
4320 x 3240
2048 x 1536

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.7" (~ 5.33 x 4 mm)
Sensor resolution
4330 x 3256
2031 x 1527
Diagonal
7.70 mm
6.66 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
1.33 : 1
(ratio)
Canon IXUS 130 Nikon Coolpix 3500
Surface area:
28.46 mm² vs 21.32 mm²
Difference: 7.14 mm² (33%)
IXUS 130 sensor is approx. 1.33x bigger than 3500 sensor.
Note: You are comparing sensors of very different generations. There is a gap of 8 years between Canon IXUS 130 (2010) and Nikon 3500 (2002). Eight years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
1.42 µm
2.62 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: 1.2 µm (85%)
Pixel pitch of 3500 is approx. 85% higher than pixel pitch of IXUS 130.
Pixel area
2.02 µm²
6.86 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: 4.84 µm² (240%)
A pixel on Nikon 3500 sensor is approx. 240% bigger than a pixel on Canon IXUS 130.
Pixel density
49.41 MP/cm²
14.52 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: 34.89 µm (240%)
Canon IXUS 130 has approx. 240% higher pixel density than Nikon 3500.
To learn about the accuracy of these numbers, click here.



Specs

Canon IXUS 130
Nikon 3500
Crop factor
5.62
6.5
Total megapixels
14.50
3.30
Effective megapixels
14.10
3.10
Optical zoom
4x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1600
Auto, (100-400)
RAW
Manual focus
Normal focus range
50 cm
30 cm
Macro focus range
3 cm
4 cm
Focal length (35mm equiv.)
28 - 112 mm
37 - 111 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f5.9
f2.7 - f4.7
Max. aperture (35mm equiv.)
f15.7 - f33.2
f17.6 - f30.6
Metering
Centre weighted, Evaluative, Spot
256-segment Matrix
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
15 sec
2 sec
Max. shutter speed
1/1500 sec
1/3000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
5
6
Screen size
2.7"
1.5"
Screen resolution
230,000 dots
110,000 dots
Video capture
Max. video resolution
Storage types
SDHC, SDXC, Secure Digital
CompactFlash type I
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Lithium-Ion NB-4L battery
Nikon EN-EL2 Lithium-Ion included
Weight
133 g
205 g
Dimensions
92.2 x 56.1 x 17.8 mm
60 x 114 x 32 mm
Year
2010
2002




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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 IXUS 130 diagonal

The diagonal of IXUS 130 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

Nikon 3500 diagonal

The diagonal of 3500 sensor is not 1/2.7 or 0.37" (9.4 mm) as you might expect, but approximately two thirds of that value - 6.66 mm. If you want to know why, see sensor sizes.

w = 5.33 mm
h = 4.00 mm
Diagonal =  5.33² + 4.00²   = 6.66 mm


Surface area

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

IXUS 130 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

3500 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 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

IXUS 130 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4330 pixels
Pixel pitch =   6.16  × 1000  = 1.42 µm
4330

3500 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 2031 pixels
Pixel pitch =   5.33  × 1000  = 2.62 µm
2031


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

IXUS 130 pixel area

Pixel pitch = 1.42 µm

Pixel area = 1.42² = 2.02 µm²

3500 pixel area

Pixel pitch = 2.62 µm

Pixel area = 2.62² = 6.86 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

IXUS 130 pixel density

Sensor resolution width = 4330 pixels
Sensor width = 0.616 cm

Pixel density = (4330 / 0.616)² / 1000000 = 49.41 MP/cm²

3500 pixel density

Sensor resolution width = 2031 pixels
Sensor width = 0.533 cm

Pixel density = (2031 / 0.533)² / 1000000 = 14.52 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

IXUS 130 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.10
r = 6.16/4.62 = 1.33
X =  14.10 × 1000000  = 3256
1.33
Resolution horizontal: X × r = 3256 × 1.33 = 4330
Resolution vertical: X = 3256

Sensor resolution = 4330 x 3256

3500 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 3.10
r = 5.33/4.00 = 1.33
X =  3.10 × 1000000  = 1527
1.33
Resolution horizontal: X × r = 1527 × 1.33 = 2031
Resolution vertical: X = 1527

Sensor resolution = 2031 x 1527


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


IXUS 130 crop factor

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

3500 crop factor

Sensor diagonal in mm = 6.66 mm
Crop factor =   43.27  = 6.5
6.66

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).

IXUS 130 equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f5.9

35-mm equivalent aperture = (f2.8 - f5.9) × 5.62 = f15.7 - f33.2

3500 equivalent aperture

Crop factor = 6.5
Aperture = f2.7 - f4.7

35-mm equivalent aperture = (f2.7 - f4.7) × 6.5 = f17.6 - f30.6

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