Canon PowerShot A410 vs. Canon PowerShot A590 IS

Comparison

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PowerShot A410 image
vs
PowerShot A590 IS image
Canon PowerShot A410 Canon PowerShot A590 IS
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Megapixels
3.20
8.00
Max. image resolution
2048 x 1536
3264 x 2448

Sensor

Sensor type
CCD
CCD
Sensor size
1/3.2" (~ 4.5 x 3.37 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
2070 x 1545
3262 x 2453
Diagonal
5.62 mm
7.19 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 : 1.64
(ratio)
Canon PowerShot A410 Canon PowerShot A590 IS
Surface area:
15.17 mm² vs 24.84 mm²
Difference: 9.67 mm² (64%)
A590 IS sensor is approx. 1.64x bigger than A410 sensor.
Note: You are comparing cameras of different generations. There is a 3 year gap between Canon A410 (2005) and Canon A590 IS (2008). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
2.17 µm
1.76 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: 0.41 µm (23%)
Pixel pitch of A410 is approx. 23% higher than pixel pitch of A590 IS.
Pixel area
4.71 µm²
3.1 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: 1.61 µm² (52%)
A pixel on Canon A410 sensor is approx. 52% bigger than a pixel on Canon A590 IS.
Pixel density
21.16 MP/cm²
32.18 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: 11.02 µm (52%)
Canon A590 IS has approx. 52% higher pixel density than Canon A410.
To learn about the accuracy of these numbers, click here.



Specs

Canon A410
Canon A590 IS
Crop factor
7.7
6.02
Total megapixels
3.40
8.20
Effective megapixels
3.20
8.00
Optical zoom
3.2x
4x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200
Auto, 100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
50 cm
40 cm
Macro focus range
2 cm
5 cm
Focal length (35mm equiv.)
41 - 131 mm
35 - 140 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f5.1
f2.6 - f5.5
Max. aperture (35mm equiv.)
f21.6 - f39.3
f15.7 - f33.1
Metering
Centre weighted, Evaluative, Spot
Centre weighted, Evaluative, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
1 sec
15 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Optical (tunnel)
White balance presets
6
6
Screen size
1.5"
2.5"
Screen resolution
120,000 dots
115,000 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)
AA (2) batteries (NiMH recommended)
Weight
150 g
175 g
Dimensions
103 x 52 x 40 mm
94.3 x 64.7 x 40.8 mm
Year
2005
2008




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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 A410 diagonal

The diagonal of A410 sensor is not 1/3.2 or 0.31" (7.9 mm) as you might expect, but approximately two thirds of that value - 5.62 mm. If you want to know why, see sensor sizes.

w = 4.50 mm
h = 3.37 mm
Diagonal =  4.50² + 3.37²   = 5.62 mm

Canon A590 IS diagonal

The diagonal of A590 IS 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


Surface area

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

A410 sensor area

Width = 4.50 mm
Height = 3.37 mm

Surface area = 4.50 × 3.37 = 15.17 mm²

A590 IS sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

A410 pixel pitch

Sensor width = 4.50 mm
Sensor resolution width = 2070 pixels
Pixel pitch =   4.50  × 1000  = 2.17 µm
2070

A590 IS pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 3262 pixels
Pixel pitch =   5.75  × 1000  = 1.76 µm
3262


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

A410 pixel area

Pixel pitch = 2.17 µm

Pixel area = 2.17² = 4.71 µm²

A590 IS pixel area

Pixel pitch = 1.76 µm

Pixel area = 1.76² = 3.1 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

A410 pixel density

Sensor resolution width = 2070 pixels
Sensor width = 0.45 cm

Pixel density = (2070 / 0.45)² / 1000000 = 21.16 MP/cm²

A590 IS pixel density

Sensor resolution width = 3262 pixels
Sensor width = 0.575 cm

Pixel density = (3262 / 0.575)² / 1000000 = 32.18 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

A410 sensor resolution

Sensor width = 4.50 mm
Sensor height = 3.37 mm
Effective megapixels = 3.20
r = 4.50/3.37 = 1.34
X =  3.20 × 1000000  = 1545
1.34
Resolution horizontal: X × r = 1545 × 1.34 = 2070
Resolution vertical: X = 1545

Sensor resolution = 2070 x 1545

A590 IS sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 8.00
r = 5.75/4.32 = 1.33
X =  8.00 × 1000000  = 2453
1.33
Resolution horizontal: X × r = 2453 × 1.33 = 3262
Resolution vertical: X = 2453

Sensor resolution = 3262 x 2453


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


A410 crop factor

Sensor diagonal in mm = 5.62 mm
Crop factor =   43.27  = 7.7
5.62

A590 IS crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

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).

A410 equivalent aperture

Crop factor = 7.7
Aperture = f2.8 - f5.1

35-mm equivalent aperture = (f2.8 - f5.1) × 7.7 = f21.6 - f39.3

A590 IS equivalent aperture

Crop factor = 6.02
Aperture = f2.6 - f5.5

35-mm equivalent aperture = (f2.6 - f5.5) × 6.02 = f15.7 - f33.1

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