Olympus SP 810 UZ vs. Nikon Coolpix L310

Comparison

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SP 810 UZ image
vs
Coolpix L310 image
Olympus SP 810 UZ Nikon Coolpix L310
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Megapixels
14.00
14.10
Max. image resolution
4288 x 3216
4320 x 3240

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
4315 x 3244
4330 x 3256
Diagonal
7.70 mm
7.70 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 »
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1 : 1
(ratio)
Olympus SP 810 UZ Nikon Coolpix L310
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
SP 810 UZ and L310 sensors are the same size.
Pixel pitch
1.43 µm
1.42 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: 0.01 µm (0.7%)
Pixel pitch of SP 810 UZ is approx. 0.7% higher than pixel pitch of L310.
Pixel area
2.04 µm²
2.02 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: 0.02 µm² (1%)
A pixel on Olympus SP 810 UZ sensor is approx. 1% bigger than a pixel on Nikon L310.
Pixel density
49.07 MP/cm²
49.41 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: 0.34 µm (0.7%)
Nikon L310 has approx. 0.7% higher pixel density than Olympus SP 810 UZ.
To learn about the accuracy of these numbers, click here.



Specs

Olympus SP 810 UZ
Nikon L310
Crop factor
5.62
5.62
Total megapixels
Effective megapixels
Optical zoom
Yes
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80 - 3200
Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400
RAW
Manual focus
Normal focus range
30 cm
50 cm
Macro focus range
5 cm
1 cm
Focal length (35mm equiv.)
24 - 864 mm
25 - 525 mm
Aperture priority
No
No
Max. aperture
f2.9 - f5.7
f3.1 - f5.8
Max. aperture (35mm equiv.)
f16.3 - f32
f17.4 - f32.6
Metering
ESP Digital
256-segment Matrix, Centre 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
4 sec
4 sec
Max. shutter speed
1/850 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
6
Screen size
3.0"
3"
Screen resolution
230,000 dots
230,000 dots
Video capture
Max. video resolution
1280x720 (30p)
Storage types
SDHC, SDXC, Secure Digital
SDHC, SDXC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Li-Ion
4x AA
Weight
413 g
435 g
Dimensions
106 x 76 x 73.5 mm
109.9 x 76.5 x 78.4 mm
Year
2011
2012




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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

Olympus SP 810 UZ diagonal

The diagonal of SP 810 UZ 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
Diagonal =  6.16² + 4.62²   = 7.70 mm

Nikon L310 diagonal

The diagonal of L310 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
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 810 UZ sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

L310 sensor area

Width = 6.16 mm
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 810 UZ pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4315 pixels
Pixel pitch =   6.16  × 1000  = 1.43 µm
4315

L310 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4330 pixels
Pixel pitch =   6.16  × 1000  = 1.42 µm
4330


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

SP 810 UZ pixel area

Pixel pitch = 1.43 µm

Pixel area = 1.43² = 2.04 µm²

L310 pixel area

Pixel pitch = 1.42 µm

Pixel area = 1.42² = 2.02 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

SP 810 UZ pixel density

Sensor resolution width = 4315 pixels
Sensor width = 0.616 cm

Pixel density = (4315 / 0.616)² / 1000000 = 49.07 MP/cm²

L310 pixel density

Sensor resolution width = 4330 pixels
Sensor width = 0.616 cm

Pixel density = (4330 / 0.616)² / 1000000 = 49.41 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

SP 810 UZ sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.00
r = 6.16/4.62 = 1.33
X =  14.00 × 1000000  = 3244
1.33
Resolution horizontal: X × r = 3244 × 1.33 = 4315
Resolution vertical: X = 3244

Sensor resolution = 4315 x 3244

L310 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.10
r = 6.16/4.62 = 1.33
X =  14.10 × 1000000  = 3256
1.33
Resolution horizontal: X × r = 3256 × 1.33 = 4330
Resolution vertical: X = 3256

Sensor resolution = 4330 x 3256


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 810 UZ crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

L310 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 810 UZ equivalent aperture

Crop factor = 5.62
Aperture = f2.9 - f5.7

35-mm equivalent aperture = (f2.9 - f5.7) × 5.62 = f16.3 - f32

L310 equivalent aperture

Crop factor = 5.62
Aperture = f3.1 - f5.8

35-mm equivalent aperture = (f3.1 - f5.8) × 5.62 = f17.4 - f32.6

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