HP Photosmart M547 vs. Canon PowerShot SX200 IS
Comparison
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| HP Photosmart M547 | Canon PowerShot SX200 IS | ||||
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Megapixels
6.20
12.10
Max. image resolution
2864 x 2152
4000 x 3000
Sensor
Sensor type
CCD
CCD
Sensor size
1/2.5" (~ 5.75 x 4.32 mm)
1/2.3" (~ 6.16 x 4.62 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 »
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 »
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| HP Photosmart M547 | Canon PowerShot SX200 IS | |
Surface area:
| 24.84 mm² | vs | 28.46 mm² |
Difference: 3.62 mm² (15%)
SX200 IS sensor is approx. 1.15x bigger than M547 sensor.
Note: You are comparing cameras of different generations.
There is a 2 year gap between HP M547 (2007) and Canon SX200 IS (2009).
All things being equal, newer sensor generations generally outperform the older.
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.
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.
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.
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: 1.63 µm² (69%)
A pixel on HP M547 sensor is approx. 69% bigger than a pixel on Canon SX200 IS.
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.
Higher pixel density means smaller pixels and lower pixel density means larger pixels.
To learn about the accuracy of these numbers,
click here.
Specs
HP M547
Canon SX200 IS
Total megapixels
Effective megapixels
12.10
Optical zoom
Yes
12x
Digital zoom
Yes
Yes
ISO sensitivity
Auto
Auto, 80, 100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
30 cm
Macro focus range
Focal length (35mm equiv.)
28 - 336 mm
Aperture priority
No
Yes
Max. aperture
f3.4 - f5.3
Metering
Centre weighted, Evaluative, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
15 sec
Max. shutter speed
1/3200 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
Screen size
2.4"
3"
Screen resolution
230,400 dots
Video capture
Max. video resolution
Storage types
Secure Digital
SDHC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
2x AA
Lithium-Ion NB-5L battery
Weight
220 g
Dimensions
96.0 x 36.8 x 63.0 mm
103.0 x 60.5 x 37.6 mm
Year
2007
2009
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Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
| Diagonal = √ | w² + h² |
HP M547 diagonal
The diagonal of M547 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
w = 5.75 mm
h = 4.32 mm
| Diagonal = √ | 5.75² + 4.32² | = 7.19 mm |
Canon SX200 IS diagonal
The diagonal of SX200 IS 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
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.
M547 sensor area
Width = 5.75 mm
Height = 4.32 mm
Surface area = 5.75 × 4.32 = 24.84 mm²
Height = 4.32 mm
Surface area = 5.75 × 4.32 = 24.84 mm²
SX200 IS sensor area
Width = 6.16 mm
Height = 4.62 mm
Surface area = 6.16 × 4.62 = 28.46 mm²
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 |
M547 pixel pitch
Sensor width = 5.75 mm
Sensor resolution width = 2871 pixels
Sensor resolution width = 2871 pixels
| Pixel pitch = | 5.75 | × 1000 | = 2 µm |
| 2871 |
SX200 IS pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 4011 pixels
Sensor resolution width = 4011 pixels
| Pixel pitch = | 6.16 | × 1000 | = 1.54 µm |
| 4011 |
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
| Pixel area = | sensor surface area in mm² |
| effective megapixels |
M547 pixel area
Pixel pitch = 2 µm
Pixel area = 2² = 4 µm²
Pixel area = 2² = 4 µm²
SX200 IS pixel area
Pixel pitch = 1.54 µm
Pixel area = 1.54² = 2.37 µm²
Pixel area = 1.54² = 2.37 µm²
Pixel density
Pixel density can be calculated with the following formula:
One could also use this 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 |
M547 pixel density
Sensor resolution width = 2871 pixels
Sensor width = 0.575 cm
Pixel density = (2871 / 0.575)² / 1000000 = 24.93 MP/cm²
Sensor width = 0.575 cm
Pixel density = (2871 / 0.575)² / 1000000 = 24.93 MP/cm²
SX200 IS pixel density
Sensor resolution width = 4011 pixels
Sensor width = 0.616 cm
Pixel density = (4011 / 0.616)² / 1000000 = 42.4 MP/cm²
Sensor width = 0.616 cm
Pixel density = (4011 / 0.616)² / 1000000 = 42.4 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → |
|
Resolution horizontal: X × r
Resolution vertical: X
M547 sensor resolution
Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 6.20
Resolution horizontal: X × r = 2159 × 1.33 = 2871
Resolution vertical: X = 2159
Sensor resolution = 2871 x 2159
Sensor height = 4.32 mm
Effective megapixels = 6.20
| r = 5.75/4.32 = 1.33 |
|
Resolution vertical: X = 2159
Sensor resolution = 2871 x 2159
SX200 IS sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.10
Resolution horizontal: X × r = 3016 × 1.33 = 4011
Resolution vertical: X = 3016
Sensor resolution = 4011 x 3016
Sensor height = 4.62 mm
Effective megapixels = 12.10
| r = 6.16/4.62 = 1.33 |
|
Resolution vertical: X = 3016
Sensor resolution = 4011 x 3016
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 |
M547 crop factor
Sensor diagonal in mm = 7.19 mm
| Crop factor = | 43.27 | = 6.02 |
| 7.19 |
SX200 IS 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).
M547 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
HP M547, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for HP M547 is 6.02
Crop factor for HP M547 is 6.02
SX200 IS equivalent aperture
Crop factor = 5.62
Aperture = f3.4 - f5.3
35-mm equivalent aperture = (f3.4 - f5.3) × 5.62 = f19.1 - f29.8
Aperture = f3.4 - f5.3
35-mm equivalent aperture = (f3.4 - f5.3) × 5.62 = f19.1 - f29.8
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.