Sony Cyber-shot DSC-WX50 vs. Panasonic Lumix DMC-LS1
Comparison
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| Sony Cyber-shot DSC-WX50 | Panasonic Lumix DMC-LS1 | ||||
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Megapixels
16.80
4.00
Max. image resolution
4608 x 3456
2304 x 1728
Sensor
Sensor type
CMOS
CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.5" (~ 5.75 x 4.32 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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| Sony Cyber-shot DSC-WX50 | Panasonic Lumix DMC-LS1 | |
Surface area:
| 28.46 mm² | vs | 24.84 mm² |
Difference: 3.62 mm² (15%)
WX50 sensor is approx. 1.15x bigger than LS1 sensor.
Note: You are comparing sensors of very different generations.
There is a gap of 7 years between Sony WX50 (2012) and Panasonic LS1 (2005).
Seven years is a lot of time in terms
of technology, meaning newer sensors are overall much more
efficient than the older ones.
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: 4.51 µm² (267%)
A pixel on Panasonic LS1 sensor is approx. 267% bigger than a pixel on Sony WX50.
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
Sony WX50
Panasonic LS1
Total megapixels
4.20
Effective megapixels
4.00
Optical zoom
5x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800
Auto, 64, 100, 200, 400
RAW
Manual focus
Normal focus range
60 cm
50 cm
Macro focus range
3 cm
5 cm
Focal length (35mm equiv.)
25 - 125 mm
35 - 105 mm
Aperture priority
No
No
Max. aperture
f2.6 - f6.3
f2.8 - f5
Metering
Centre weighted, Multi-segment, Spot
Multi-pattern
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
4 sec
8 sec
Max. shutter speed
1/1600 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
7
5
Screen size
2.7"
2"
Screen resolution
460,800 dots
85,000 dots
Video capture
Max. video resolution
Storage types
Memory Stick Duo, Memory Stick Pro Duo, SDHC, SDXC, Secure Digital
Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Lithium-Ion NP-BN battery
AA (2) batteries (NiMH recommended)
Weight
117 g
142 g
Dimensions
92 x 52 x 19 mm
94 x 63 x 31 mm
Year
2012
2005
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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 |
Sony WX50 diagonal
The diagonal of WX50 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 |
Panasonic LS1 diagonal
The diagonal of LS1 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 |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
WX50 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
LS1 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
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 |
WX50 pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 4727 pixels
Sensor resolution width = 4727 pixels
| Pixel pitch = | 6.16 | × 1000 | = 1.3 µm |
| 4727 |
LS1 pixel pitch
Sensor width = 5.75 mm
Sensor resolution width = 2306 pixels
Sensor resolution width = 2306 pixels
| Pixel pitch = | 5.75 | × 1000 | = 2.49 µm |
| 2306 |
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 |
WX50 pixel area
Pixel pitch = 1.3 µm
Pixel area = 1.3² = 1.69 µm²
Pixel area = 1.3² = 1.69 µm²
LS1 pixel area
Pixel pitch = 2.49 µm
Pixel area = 2.49² = 6.2 µm²
Pixel area = 2.49² = 6.2 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 |
WX50 pixel density
Sensor resolution width = 4727 pixels
Sensor width = 0.616 cm
Pixel density = (4727 / 0.616)² / 1000000 = 58.89 MP/cm²
Sensor width = 0.616 cm
Pixel density = (4727 / 0.616)² / 1000000 = 58.89 MP/cm²
LS1 pixel density
Sensor resolution width = 2306 pixels
Sensor width = 0.575 cm
Pixel density = (2306 / 0.575)² / 1000000 = 16.08 MP/cm²
Sensor width = 0.575 cm
Pixel density = (2306 / 0.575)² / 1000000 = 16.08 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
WX50 sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.80
Resolution horizontal: X × r = 3554 × 1.33 = 4727
Resolution vertical: X = 3554
Sensor resolution = 4727 x 3554
Sensor height = 4.62 mm
Effective megapixels = 16.80
| r = 6.16/4.62 = 1.33 |
|
Resolution vertical: X = 3554
Sensor resolution = 4727 x 3554
LS1 sensor resolution
Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 4.00
Resolution horizontal: X × r = 1734 × 1.33 = 2306
Resolution vertical: X = 1734
Sensor resolution = 2306 x 1734
Sensor height = 4.32 mm
Effective megapixels = 4.00
| r = 5.75/4.32 = 1.33 |
|
Resolution vertical: X = 1734
Sensor resolution = 2306 x 1734
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 |
WX50 crop factor
Sensor diagonal in mm = 7.70 mm
| Crop factor = | 43.27 | = 5.62 |
| 7.70 |
LS1 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).
WX50 equivalent aperture
Crop factor = 5.62
Aperture = f2.6 - f6.3
35-mm equivalent aperture = (f2.6 - f6.3) × 5.62 = f14.6 - f35.4
Aperture = f2.6 - f6.3
35-mm equivalent aperture = (f2.6 - f6.3) × 5.62 = f14.6 - f35.4
LS1 equivalent aperture
Crop factor = 6.02
Aperture = f2.8 - f5
35-mm equivalent aperture = (f2.8 - f5) × 6.02 = f16.9 - f30.1
Aperture = f2.8 - f5
35-mm equivalent aperture = (f2.8 - f5) × 6.02 = f16.9 - f30.1
More comparisons of Sony WX50:
- Sony Cyber-shot DSC-WX50 vs. Sony Cyber-shot DSC-WX70
- Sony Cyber-shot DSC-WX50 vs. Nikon Coolpix L610
- Sony Cyber-shot DSC-WX50 vs. Nikon Coolpix P310
- Sony Cyber-shot DSC-WX50 vs. Canon PowerShot S110
- Sony Cyber-shot DSC-WX50 vs. Sony Cyber-shot DSC-W630
- Sony Cyber-shot DSC-WX50 vs. Canon PowerShot SX50 HS
- Sony Cyber-shot DSC-WX50 vs. Canon PowerShot S100
- Sony Cyber-shot DSC-WX50 vs. Samsung WB35F
- Sony Cyber-shot DSC-WX50 vs. Canon Digital IXUS 100 IS
- Sony Cyber-shot DSC-WX50 vs. Samsung ST96
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