Canon IXUS 510 HS vs. Sony Cyber-shot DSC-HX20V
Comparison
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Canon IXUS 510 HS | Sony Cyber-shot DSC-HX20V | ||||
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Megapixels
10.10
18.20
Max. image resolution
3648 x 2736
4896 x 3672
Sensor
Sensor type
CMOS
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 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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Canon IXUS 510 HS | Sony Cyber-shot DSC-HX20V |
Surface area:
28.46 mm² | vs | 28.46 mm² |
Difference: 0 mm² (0%)
IXUS 510 HS and HX20V sensors are the same size.
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: 1.26 µm² (81%)
A pixel on Canon IXUS 510 HS sensor is approx. 81% bigger than a pixel on Sony HX20V.
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
Canon IXUS 510 HS
Sony HX20V
Total megapixels
16.80
Effective megapixels
10.10
Optical zoom
12x
20x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200
Auto, 100 - 12800
RAW
Manual focus
Normal focus range
1 cm
Macro focus range
1 cm
1 cm
Focal length (35mm equiv.)
28 - 336 mm
25 - 500 mm
Aperture priority
No
No
Max. aperture
f3.4 - f5.6
f3.2 - f8
Metering
Multi, Center-weighted, Spot
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
15 sec
30 sec
Max. shutter speed
1/4000 sec
1/1600 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
7
Screen size
3.2"
3"
Screen resolution
461,000 dots
921,000 dots
Video capture
Max. video resolution
1920x1080 (60p/60i)
Storage types
microSD/microSDHC/microSDXC
Memory Stick Duo, Memory Stick Pro Duo, SDHC, SDXC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion NB-9L rechargeable battery
Lithium-Ion NP-BG1 battery
Weight
163 g
254 g
Dimensions
86 x 54 x 20 mm
106.6 x 61.9 x 34.6 mm
Year
2012
2012
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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 |
Canon IXUS 510 HS diagonal
The diagonal of IXUS 510 HS 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 |
Sony HX20V diagonal
The diagonal of HX20V 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.
IXUS 510 HS 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
HX20V 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 |
IXUS 510 HS pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 3665 pixels
Sensor resolution width = 3665 pixels
Pixel pitch = | 6.16 | × 1000 | = 1.68 µm |
3665 |
HX20V pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 4920 pixels
Sensor resolution width = 4920 pixels
Pixel pitch = | 6.16 | × 1000 | = 1.25 µm |
4920 |
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 |
IXUS 510 HS pixel area
Pixel pitch = 1.68 µm
Pixel area = 1.68² = 2.82 µm²
Pixel area = 1.68² = 2.82 µm²
HX20V pixel area
Pixel pitch = 1.25 µm
Pixel area = 1.25² = 1.56 µm²
Pixel area = 1.25² = 1.56 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 |
IXUS 510 HS pixel density
Sensor resolution width = 3665 pixels
Sensor width = 0.616 cm
Pixel density = (3665 / 0.616)² / 1000000 = 35.4 MP/cm²
Sensor width = 0.616 cm
Pixel density = (3665 / 0.616)² / 1000000 = 35.4 MP/cm²
HX20V pixel density
Sensor resolution width = 4920 pixels
Sensor width = 0.616 cm
Pixel density = (4920 / 0.616)² / 1000000 = 63.79 MP/cm²
Sensor width = 0.616 cm
Pixel density = (4920 / 0.616)² / 1000000 = 63.79 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:
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 → |
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Resolution horizontal: X × r
Resolution vertical: X
IXUS 510 HS sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 10.10
Resolution horizontal: X × r = 2756 × 1.33 = 3665
Resolution vertical: X = 2756
Sensor resolution = 3665 x 2756
Sensor height = 4.62 mm
Effective megapixels = 10.10
r = 6.16/4.62 = 1.33 |
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Resolution vertical: X = 2756
Sensor resolution = 3665 x 2756
HX20V sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 18.20
Resolution horizontal: X × r = 3699 × 1.33 = 4920
Resolution vertical: X = 3699
Sensor resolution = 4920 x 3699
Sensor height = 4.62 mm
Effective megapixels = 18.20
r = 6.16/4.62 = 1.33 |
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Resolution vertical: X = 3699
Sensor resolution = 4920 x 3699
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 510 HS crop factor
Sensor diagonal in mm = 7.70 mm
Crop factor = | 43.27 | = 5.62 |
7.70 |
HX20V 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).
IXUS 510 HS equivalent aperture
Crop factor = 5.62
Aperture = f3.4 - f5.6
35-mm equivalent aperture = (f3.4 - f5.6) × 5.62 = f19.1 - f31.5
Aperture = f3.4 - f5.6
35-mm equivalent aperture = (f3.4 - f5.6) × 5.62 = f19.1 - f31.5
HX20V equivalent aperture
Crop factor = 5.62
Aperture = f3.2 - f8
35-mm equivalent aperture = (f3.2 - f8) × 5.62 = f18 - f45
Aperture = f3.2 - f8
35-mm equivalent aperture = (f3.2 - f8) × 5.62 = f18 - f45
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