Nikon Coolpix S610 vs. Nikon D90
Comparison
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| Nikon Coolpix S610 | Nikon D90 | ||||
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Megapixels
10.00
12.30
Max. image resolution
3648 x 2736
4288 x 2848
Sensor
Sensor type
CCD
CMOS
Sensor size
1/2.33" (~ 6.08 x 4.56 mm)
23.6 x 15.8 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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| 1 | : | 13.45 |
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| Nikon Coolpix S610 | Nikon D90 | |
Surface area:
| 27.72 mm² | vs | 372.88 mm² |
Difference: 345.16 mm² (1245%)
D90 sensor is approx. 13.45x bigger than S610 sensor.
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: 27.57 µm² (988%)
A pixel on Nikon D90 sensor is approx. 988% bigger than a pixel on Nikon S610.
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
Nikon S610
Nikon D90
Total megapixels
10.30
12.90
Effective megapixels
10.00
12.30
Optical zoom
4x
Digital zoom
Yes
No
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200
Auto, 200 - 3200 (plus 6400 with boost)
RAW
Manual focus
Normal focus range
50 cm
Macro focus range
3 cm
Focal length (35mm equiv.)
28 - 112 mm
Aperture priority
No
Yes
Max. aperture
f2.7 - f5.8
Metering
256-segment Matrix, Centre weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±5 EV (in 1/3 EV, 1/2 EV steps)
Shutter priority
No
Yes
Min. shutter speed
4 sec
30 sec
Max. shutter speed
1/2000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
None
Optical (pentaprism)
White balance presets
7
12
Screen size
3"
3"
Screen resolution
230,000 dots
920,000 dots
Video capture
Max. video resolution
1280x720 (24)
Storage types
SDHC, Secure Digital
SD/SDHC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion (EN-EL10)
Lithium-Ion EN-EL3e rechargeable battery
Weight
177 g
703 g
Dimensions
94 x 57 x 23 mm
132 x 103 x 77 mm
Year
2008
2008
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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 |
Nikon S610 diagonal
The diagonal of S610 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of
that value - 7.6 mm. If you want to know why, see
sensor sizes.
w = 6.08 mm
h = 4.56 mm
w = 6.08 mm
h = 4.56 mm
| Diagonal = √ | 6.08² + 4.56² | = 7.60 mm |
Nikon D90 diagonal
w = 23.60 mm
h = 15.80 mm
h = 15.80 mm
| Diagonal = √ | 23.60² + 15.80² | = 28.40 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
S610 sensor area
Width = 6.08 mm
Height = 4.56 mm
Surface area = 6.08 × 4.56 = 27.72 mm²
Height = 4.56 mm
Surface area = 6.08 × 4.56 = 27.72 mm²
D90 sensor area
Width = 23.60 mm
Height = 15.80 mm
Surface area = 23.60 × 15.80 = 372.88 mm²
Height = 15.80 mm
Surface area = 23.60 × 15.80 = 372.88 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 |
S610 pixel pitch
Sensor width = 6.08 mm
Sensor resolution width = 3647 pixels
Sensor resolution width = 3647 pixels
| Pixel pitch = | 6.08 | × 1000 | = 1.67 µm |
| 3647 |
D90 pixel pitch
Sensor width = 23.60 mm
Sensor resolution width = 4281 pixels
Sensor resolution width = 4281 pixels
| Pixel pitch = | 23.60 | × 1000 | = 5.51 µm |
| 4281 |
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 |
S610 pixel area
Pixel pitch = 1.67 µm
Pixel area = 1.67² = 2.79 µm²
Pixel area = 1.67² = 2.79 µm²
D90 pixel area
Pixel pitch = 5.51 µm
Pixel area = 5.51² = 30.36 µm²
Pixel area = 5.51² = 30.36 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 |
S610 pixel density
Sensor resolution width = 3647 pixels
Sensor width = 0.608 cm
Pixel density = (3647 / 0.608)² / 1000000 = 35.98 MP/cm²
Sensor width = 0.608 cm
Pixel density = (3647 / 0.608)² / 1000000 = 35.98 MP/cm²
D90 pixel density
Sensor resolution width = 4281 pixels
Sensor width = 2.36 cm
Pixel density = (4281 / 2.36)² / 1000000 = 3.29 MP/cm²
Sensor width = 2.36 cm
Pixel density = (4281 / 2.36)² / 1000000 = 3.29 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
S610 sensor resolution
Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 10.00
Resolution horizontal: X × r = 2742 × 1.33 = 3647
Resolution vertical: X = 2742
Sensor resolution = 3647 x 2742
Sensor height = 4.56 mm
Effective megapixels = 10.00
| r = 6.08/4.56 = 1.33 |
|
Resolution vertical: X = 2742
Sensor resolution = 3647 x 2742
D90 sensor resolution
Sensor width = 23.60 mm
Sensor height = 15.80 mm
Effective megapixels = 12.30
Resolution horizontal: X × r = 2873 × 1.49 = 4281
Resolution vertical: X = 2873
Sensor resolution = 4281 x 2873
Sensor height = 15.80 mm
Effective megapixels = 12.30
| r = 23.60/15.80 = 1.49 |
|
Resolution vertical: X = 2873
Sensor resolution = 4281 x 2873
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 |
S610 crop factor
Sensor diagonal in mm = 7.60 mm
| Crop factor = | 43.27 | = 5.69 |
| 7.60 |
D90 crop factor
Sensor diagonal in mm = 28.40 mm
| Crop factor = | 43.27 | = 1.52 |
| 28.40 |
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).
S610 equivalent aperture
Crop factor = 5.69
Aperture = f2.7 - f5.8
35-mm equivalent aperture = (f2.7 - f5.8) × 5.69 = f15.4 - f33
Aperture = f2.7 - f5.8
35-mm equivalent aperture = (f2.7 - f5.8) × 5.69 = f15.4 - f33
D90 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
Nikon D90, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Nikon D90 is 1.52
Crop factor for Nikon D90 is 1.52
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.