Nikon Coolpix B700 vs. Nikon Coolpix B500

Comparison

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Coolpix B700 image
vs
Coolpix B500 image
Nikon Coolpix B700 Nikon Coolpix B500
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Megapixels
20.20
16.00
Max. image resolution
5184 x 3888
4608 x 3456

Sensor

Sensor type
CMOS
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
5183 x 3897
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)
Nikon Coolpix B700 Nikon Coolpix B500
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
B700 and B500 sensors are the same size.
Pixel pitch
1.19 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: 0.15 µm (13%)
Pixel pitch of B500 is approx. 13% higher than pixel pitch of B700.
Pixel area
1.42 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: 0.38 µm² (27%)
A pixel on Nikon B500 sensor is approx. 27% bigger than a pixel on Nikon B700.
Pixel density
70.79 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: 14.73 µm (26%)
Nikon B700 has approx. 26% higher pixel density than Nikon B500.
To learn about the accuracy of these numbers, click here.



Specs

Nikon B700
Nikon B500
Crop factor
5.62
5.62
Total megapixels
21.14
16.76
Effective megapixels
20.20
16.00
Optical zoom
60x
40x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100-3200
Auto, 80-3200
RAW
Manual focus
Normal focus range
50 cm
30 cm
Macro focus range
1 cm
1 cm
Focal length (35mm equiv.)
24 - 1440 mm
23 - 900 mm
Aperture priority
Yes
No
Max. aperture
f3.3 - f6.5
f3.0 - f6.5
Max. aperture (35mm equiv.)
f18.5 - f36.5
f16.9 - f36.5
Metering
Multi, Center-weighted, 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
1 sec
Max. shutter speed
1/4000 sec
1/5000 sec
Built-in flash
External flash
Viewfinder
Electronic
None
White balance presets
5
5
Screen size
3"
3"
Screen resolution
921,600 dots
921,000 dots
Video capture
Max. video resolution
3840x2160 (30p/25p)
1920x1080 (60i/50i/30p/25p)
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
EN-EL23 lithium-ion battery
4 x AA batteries
Weight
570 g
542 g
Dimensions
125 x 85 x 106.5 mm
113.5 x 78.3 x 94.9 mm
Year
2016
2016




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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

Nikon B700 diagonal

The diagonal of B700 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 B500 diagonal

The diagonal of B500 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.

B700 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

B500 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

B700 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5183 pixels
Pixel pitch =   6.16  × 1000  = 1.19 µm
5183

B500 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

B700 pixel area

Pixel pitch = 1.19 µm

Pixel area = 1.19² = 1.42 µm²

B500 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

B700 pixel density

Sensor resolution width = 5183 pixels
Sensor width = 0.616 cm

Pixel density = (5183 / 0.616)² / 1000000 = 70.79 MP/cm²

B500 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

B700 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 20.20
r = 6.16/4.62 = 1.33
X =  20.20 × 1000000  = 3897
1.33
Resolution horizontal: X × r = 3897 × 1.33 = 5183
Resolution vertical: X = 3897

Sensor resolution = 5183 x 3897

B500 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


B700 crop factor

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

B500 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).

B700 equivalent aperture

Crop factor = 5.62
Aperture = f3.3 - f6.5

35-mm equivalent aperture = (f3.3 - f6.5) × 5.62 = f18.5 - f36.5

B500 equivalent aperture

Crop factor = 5.62
Aperture = f3.0 - f6.5

35-mm equivalent aperture = (f3.0 - f6.5) × 5.62 = f16.9 - f36.5

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