Sony Cyber-shot DSC-T700 vs. Nikon Coolpix S4300

Comparison

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Cyber-shot DSC-T700 image
vs
Coolpix S4300 image
Sony Cyber-shot DSC-T700 Nikon Coolpix S4300
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Megapixels
10.30
16.00
Max. image resolution
3648 x 2736
4608 x 3456

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
3701 x 2783
4612 x 3468
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 »
vs
1 : 1
(ratio)
Sony Cyber-shot DSC-T700 Nikon Coolpix S4300
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
T700 and S4300 sensors are the same size.
Note: You are comparing cameras of different generations. There is a 4 year gap between Sony T700 (2008) and Nikon S4300 (2012). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.66 µm
1.34 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: 0.32 µm (24%)
Pixel pitch of T700 is approx. 24% higher than pixel pitch of S4300.
Pixel area
2.76 µm²
1.8 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: 0.96 µm² (53%)
A pixel on Sony T700 sensor is approx. 53% bigger than a pixel on Nikon S4300.
Pixel density
36.1 MP/cm²
56.06 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: 19.96 µm (55%)
Nikon S4300 has approx. 55% higher pixel density than Sony T700.
To learn about the accuracy of these numbers, click here.



Specs

Sony T700
Nikon S4300
Crop factor
5.62
5.62
Total megapixels
16.44
Effective megapixels
16.00
Optical zoom
4x
6x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1600, 3200
Auto, 100, 200, 400, 800, 1600, 3200
RAW
Manual focus
Normal focus range
8 cm
50 cm
Macro focus range
1 cm
5 cm
Focal length (35mm equiv.)
35 - 140 mm
26 - 156 mm
Aperture priority
No
No
Max. aperture
f3.5 - f4.6
f3.5 - f6.5
Max. aperture (35mm equiv.)
f19.7 - f25.9
f19.7 - f36.5
Metering
Centre weighted, Multi-pattern, Spot
256-segment matrix, center-weighted
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
1 sec
4 sec
Max. shutter speed
1/1000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
7
5
Screen size
3.5"
3"
Screen resolution
920,000 dots
460,000 dots
Video capture
Max. video resolution
Storage types
Memory Stick Duo, Memory Stick Pro Duo
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion (NP-BD1)
Rechargeable EN-EL19 Lithium-Ion battery
Weight
160 g
139 g
Dimensions
94 x 59 x 16 mm
95.5 x 58.9 x 20.8 mm
Year
2008
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

Sony T700 diagonal

The diagonal of T700 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 S4300 diagonal

The diagonal of S4300 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.

T700 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

S4300 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

T700 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 3701 pixels
Pixel pitch =   6.16  × 1000  = 1.66 µm
3701

S4300 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4612 pixels
Pixel pitch =   6.16  × 1000  = 1.34 µm
4612


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

T700 pixel area

Pixel pitch = 1.66 µm

Pixel area = 1.66² = 2.76 µm²

S4300 pixel area

Pixel pitch = 1.34 µm

Pixel area = 1.34² = 1.8 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

T700 pixel density

Sensor resolution width = 3701 pixels
Sensor width = 0.616 cm

Pixel density = (3701 / 0.616)² / 1000000 = 36.1 MP/cm²

S4300 pixel density

Sensor resolution width = 4612 pixels
Sensor width = 0.616 cm

Pixel density = (4612 / 0.616)² / 1000000 = 56.06 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

T700 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 10.30
r = 6.16/4.62 = 1.33
X =  10.30 × 1000000  = 2783
1.33
Resolution horizontal: X × r = 2783 × 1.33 = 3701
Resolution vertical: X = 2783

Sensor resolution = 3701 x 2783

S4300 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.00
r = 6.16/4.62 = 1.33
X =  16.00 × 1000000  = 3468
1.33
Resolution horizontal: X × r = 3468 × 1.33 = 4612
Resolution vertical: X = 3468

Sensor resolution = 4612 x 3468


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


T700 crop factor

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

S4300 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).

T700 equivalent aperture

Crop factor = 5.62
Aperture = f3.5 - f4.6

35-mm equivalent aperture = (f3.5 - f4.6) × 5.62 = f19.7 - f25.9

S4300 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

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