Olympus SP 500 UZ vs. Sony Cyber-shot DSC-WX350
Comparison
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| Olympus SP 500 UZ | Sony Cyber-shot DSC-WX350 | ||||
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Megapixels
6.37
18.20
Max. image resolution
2816 x 2112
4896 x 3672
Sensor
Sensor type
CCD
CMOS
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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| Olympus SP 500 UZ | Sony Cyber-shot DSC-WX350 | |
Surface area:
| 24.84 mm² | vs | 28.46 mm² |
Difference: 3.62 mm² (15%)
WX350 sensor is approx. 1.15x bigger than SP 500 UZ sensor.
Note: You are comparing sensors of very different generations.
There is a gap of 9 years between Olympus SP 500 UZ (2005) and Sony WX350 (2014).
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 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: 2.36 µm² (151%)
A pixel on Olympus SP 500 UZ sensor is approx. 151% bigger than a pixel on Sony WX350.
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
Olympus SP 500 UZ
Sony WX350
Total megapixels
21.10
Effective megapixels
18.20
Optical zoom
Yes
20x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400
Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400, 12800
RAW
Manual focus
Normal focus range
60 cm
Macro focus range
3 cm
5 cm
Focal length (35mm equiv.)
38 - 380 mm
25 - 500 mm
Aperture priority
Yes
No
Max. aperture
f2.8 - f3.7
f3.5 - f6.5
Metering
Centre weighted, ESP Digital, 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
1/1000 sec
1/1600 sec
Built-in flash
External flash
Viewfinder
Electronic
None
White balance presets
6
7
Screen size
2.5"
3"
Screen resolution
115,000 dots
460,000 dots
Video capture
Max. video resolution
1920x1080 (60p/60i)
Storage types
xD Picture card
SD/SDHC, Memory Stick Duo
USB
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
2x CR-V3, 4x AA
Lithium-ion NP-BX1
Weight
285 g
137 g
Dimensions
105.5 x 74.5 x 71.0 mm
96 x 54.9 x 25.7 mm
Year
2005
2014
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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 |
Olympus SP 500 UZ diagonal
The diagonal of SP 500 UZ 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 |
Sony WX350 diagonal
The diagonal of WX350 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.
SP 500 UZ 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
WX350 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 |
SP 500 UZ pixel pitch
Sensor width = 5.75 mm
Sensor resolution width = 2910 pixels
Sensor resolution width = 2910 pixels
| Pixel pitch = | 5.75 | × 1000 | = 1.98 µm |
| 2910 |
WX350 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 |
SP 500 UZ pixel area
Pixel pitch = 1.98 µm
Pixel area = 1.98² = 3.92 µm²
Pixel area = 1.98² = 3.92 µm²
WX350 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 |
SP 500 UZ pixel density
Sensor resolution width = 2910 pixels
Sensor width = 0.575 cm
Pixel density = (2910 / 0.575)² / 1000000 = 25.61 MP/cm²
Sensor width = 0.575 cm
Pixel density = (2910 / 0.575)² / 1000000 = 25.61 MP/cm²
WX350 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 → |
|
Resolution horizontal: X × r
Resolution vertical: X
SP 500 UZ sensor resolution
Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 6.37
Resolution horizontal: X × r = 2188 × 1.33 = 2910
Resolution vertical: X = 2188
Sensor resolution = 2910 x 2188
Sensor height = 4.32 mm
Effective megapixels = 6.37
| r = 5.75/4.32 = 1.33 |
|
Resolution vertical: X = 2188
Sensor resolution = 2910 x 2188
WX350 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 |
|
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 |
SP 500 UZ crop factor
Sensor diagonal in mm = 7.19 mm
| Crop factor = | 43.27 | = 6.02 |
| 7.19 |
WX350 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).
SP 500 UZ equivalent aperture
Crop factor = 6.02
Aperture = f2.8 - f3.7
35-mm equivalent aperture = (f2.8 - f3.7) × 6.02 = f16.9 - f22.3
Aperture = f2.8 - f3.7
35-mm equivalent aperture = (f2.8 - f3.7) × 6.02 = f16.9 - f22.3
WX350 equivalent aperture
Crop factor = 5.62
Aperture = f3.5 - f6.5
35-mm equivalent aperture = (f3.5 - f6.5) × 5.62 = f19.7 - f36.5
Aperture = f3.5 - f6.5
35-mm equivalent aperture = (f3.5 - f6.5) × 5.62 = f19.7 - f36.5
More comparisons of Olympus SP 500 UZ:
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- Olympus SP 500 UZ vs. Olympus Tough TG-5
- Olympus SP 500 UZ vs. Canon PowerShot S2 IS
- Olympus SP 500 UZ vs. Fujifilm X10
- Olympus SP 500 UZ vs. Canon PowerShot SX50 HS
- Olympus SP 500 UZ vs. Nikon D3400
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