Canon PowerShot A800 vs. Nikon Coolpix L330

Comparison

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PowerShot A800 image
vs
Coolpix L330 image
Canon PowerShot A800 Nikon Coolpix L330
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Megapixels
10.00
20.20
Max. image resolution
3648 x 2736
5152 x 3864

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
3647 x 2742
5183 x 3897
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 A800 Nikon Coolpix L330
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
A800 and L330 sensors are the same size.
Note: You are comparing cameras of different generations. There is a 3 year gap between Canon A800 (2011) and Nikon L330 (2014). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.69 µm
1.19 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: 0.5 µm (42%)
Pixel pitch of A800 is approx. 42% higher than pixel pitch of L330.
Pixel area
2.86 µm²
1.42 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: 1.44 µm² (101%)
A pixel on Canon A800 sensor is approx. 101% bigger than a pixel on Nikon L330.
Pixel density
35.05 MP/cm²
70.79 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: 35.74 µm (102%)
Nikon L330 has approx. 102% higher pixel density than Canon A800.
To learn about the accuracy of these numbers, click here.



Specs

Canon A800
Nikon L330
Crop factor
5.62
5.62
Total megapixels
10.60
20.48
Effective megapixels
10.00
20.20
Optical zoom
3.3x
26x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1600
80-1600
RAW
Manual focus
Normal focus range
45 cm
50 cm
Macro focus range
1 cm
1 cm
Focal length (35mm equiv.)
37 - 122 mm
22.5 - 585 mm
Aperture priority
No
No
Max. aperture
f3.0 - f5.8
f3.1 - f5.9
Max. aperture (35mm equiv.)
f16.9 - f32.6
f17.4 - f33.2
Metering
Centre weighted, Multi-segment, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
No
Min. shutter speed
15 sec
4 sec
Max. shutter speed
1/2000 sec
1/1500 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
Screen size
2.5"
3"
Screen resolution
115,000 dots
460,000 dots
Video capture
Max. video resolution
1280x720 (30p)
Storage types
SDHC, SDXC, Secure Digital
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
2 x AA batteries
4 x AA-size batteries
Weight
186 g
430 g
Dimensions
94 x 62 x 31 mm
111.1 x 76.3 x 83.3 mm
Year
2011
2014




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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 A800 diagonal

The diagonal of A800 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 L330 diagonal

The diagonal of L330 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.

A800 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

L330 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

A800 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3647 pixels
Pixel pitch =   6.16  × 1000  = 1.69 µm
3647

L330 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5183 pixels
Pixel pitch =   6.16  × 1000  = 1.19 µm
5183


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

A800 pixel area

Pixel pitch = 1.69 µm

Pixel area = 1.69² = 2.86 µm²

L330 pixel area

Pixel pitch = 1.19 µm

Pixel area = 1.19² = 1.42 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

A800 pixel density

Sensor resolution width = 3647 pixels
Sensor width = 0.616 cm

Pixel density = (3647 / 0.616)² / 1000000 = 35.05 MP/cm²

L330 pixel density

Sensor resolution width = 5183 pixels
Sensor width = 0.616 cm

Pixel density = (5183 / 0.616)² / 1000000 = 70.79 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

A800 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 10.00
r = 6.16/4.62 = 1.33
X =  10.00 × 1000000  = 2742
1.33
Resolution horizontal: X × r = 2742 × 1.33 = 3647
Resolution vertical: X = 2742

Sensor resolution = 3647 x 2742

L330 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 20.20
r = 6.16/4.62 = 1.33
X =  20.20 × 1000000  = 3897
1.33
Resolution horizontal: X × r = 3897 × 1.33 = 5183
Resolution vertical: X = 3897

Sensor resolution = 5183 x 3897


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


A800 crop factor

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

L330 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).

A800 equivalent aperture

Crop factor = 5.62
Aperture = f3.0 - f5.8

35-mm equivalent aperture = (f3.0 - f5.8) × 5.62 = f16.9 - f32.6

L330 equivalent aperture

Crop factor = 5.62
Aperture = f3.1 - f5.9

35-mm equivalent aperture = (f3.1 - f5.9) × 5.62 = f17.4 - f33.2

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