Panasonic Lumix DMC-FS22 vs. Canon Digital IXUS 330

Comparison

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Lumix DMC-FS22 image
vs
Digital IXUS 330 image
Panasonic Lumix DMC-FS22 Canon Digital IXUS 330
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Megapixels
16.10
2.00
Max. image resolution
4608 x 3456
1600 x 1200

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.33" (~ 6.08 x 4.56 mm)
1/2.7" (~ 5.33 x 4 mm)
Sensor resolution
4627 x 3479
1631 x 1226
Diagonal
7.60 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
1.3 : 1
(ratio)
Panasonic Lumix DMC-FS22 Canon Digital IXUS 330
Surface area:
27.72 mm² vs 21.32 mm²
Difference: 6.4 mm² (30%)
FS22 sensor is approx. 1.3x bigger than IXUS 330 sensor.
Note: You are comparing sensors of very different generations. There is a gap of 9 years between Panasonic FS22 (2011) and Canon IXUS 330 (2002). Nine years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
1.31 µm
3.27 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: 1.96 µm (150%)
Pixel pitch of IXUS 330 is approx. 150% higher than pixel pitch of FS22.
Pixel area
1.72 µm²
10.69 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: 8.97 µm² (522%)
A pixel on Canon IXUS 330 sensor is approx. 522% bigger than a pixel on Panasonic FS22.
Pixel density
57.92 MP/cm²
9.36 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: 48.56 µm (519%)
Panasonic FS22 has approx. 519% higher pixel density than Canon IXUS 330.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic FS22
Canon IXUS 330
Crop factor
5.69
6.5
Total megapixels
16.60
2.10
Effective megapixels
16.10
2.00
Optical zoom
4x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600 - 6400
Auto, 50, 100, 200, 400
RAW
Manual focus
Normal focus range
50 cm
76 cm
Macro focus range
5 cm
16 cm
Focal length (35mm equiv.)
28 - 112 mm
35 - 105 mm
Aperture priority
No
No
Max. aperture
f3.1 - f6.5
f2.7 - f4.7
Max. aperture (35mm equiv.)
f17.6 - f37
f17.6 - f30.6
Metering
Intelligent Multiple
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
60 sec
15 sec
Max. shutter speed
1/1600 sec
1/1500 sec
Built-in flash
External flash
Viewfinder
None
Optical (tunnel)
White balance presets
5
6
Screen size
3"
1.5"
Screen resolution
230,000 dots
118,000 dots
Video capture
Max. video resolution
Storage types
SDHC, SDXC, Secure Digital
Compact Flash (Type I)
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable battery
Canon NB-L1H 840 mAh Lithium-Ion
Weight
126 g
274 g
Dimensions
95.3 x 56.3 x 19.4 mm
95 x 63 x 32 mm
Year
2011
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

Panasonic FS22 diagonal

The diagonal of FS22 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of that value - 7.6 mm. If you want to know why, see sensor sizes.

w = 6.08 mm
h = 4.56 mm
Diagonal =  6.08² + 4.56²   = 7.60 mm

Canon IXUS 330 diagonal

The diagonal of IXUS 330 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.

FS22 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 mm²

IXUS 330 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

FS22 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4627 pixels
Pixel pitch =   6.08  × 1000  = 1.31 µm
4627

IXUS 330 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1631 pixels
Pixel pitch =   5.33  × 1000  = 3.27 µm
1631


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

FS22 pixel area

Pixel pitch = 1.31 µm

Pixel area = 1.31² = 1.72 µm²

IXUS 330 pixel area

Pixel pitch = 3.27 µm

Pixel area = 3.27² = 10.69 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

FS22 pixel density

Sensor resolution width = 4627 pixels
Sensor width = 0.608 cm

Pixel density = (4627 / 0.608)² / 1000000 = 57.92 MP/cm²

IXUS 330 pixel density

Sensor resolution width = 1631 pixels
Sensor width = 0.533 cm

Pixel density = (1631 / 0.533)² / 1000000 = 9.36 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

FS22 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 16.10
r = 6.08/4.56 = 1.33
X =  16.10 × 1000000  = 3479
1.33
Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479

Sensor resolution = 4627 x 3479

IXUS 330 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 2.00
r = 5.33/4.00 = 1.33
X =  2.00 × 1000000  = 1226
1.33
Resolution horizontal: X × r = 1226 × 1.33 = 1631
Resolution vertical: X = 1226

Sensor resolution = 1631 x 1226


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


FS22 crop factor

Sensor diagonal in mm = 7.60 mm
Crop factor =   43.27  = 5.69
7.60

IXUS 330 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).

FS22 equivalent aperture

Crop factor = 5.69
Aperture = f3.1 - f6.5

35-mm equivalent aperture = (f3.1 - f6.5) × 5.69 = f17.6 - f37

IXUS 330 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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