Nikon Coolpix 2200 vs. Canon EOS 70D

Comparison

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Coolpix 2200 image
vs
EOS 70D image
Nikon Coolpix 2200 Canon EOS 70D
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Megapixels
1.90
20.20
Max. image resolution
1600 x 1200
5472 x 3648

Sensor

Sensor type
CCD
CMOS
Sensor size
1/3.2" (~ 4.5 x 3.37 mm)
22.5 x 15 mm
Sensor resolution
1596 x 1191
5505 x 3670
Diagonal
5.62 mm
27.04 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 : 22.25
(ratio)
Nikon Coolpix 2200 Canon EOS 70D
Surface area:
15.17 mm² vs 337.50 mm²
Difference: 322.33 mm² (2125%)
70D sensor is approx. 22.25x bigger than 2200 sensor.
Note: You are comparing sensors of very different generations. There is a gap of 9 years between Nikon 2200 (2004) and Canon 70D (2013). 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
2.82 µm
4.09 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: 1.27 µm (45%)
Pixel pitch of 70D is approx. 45% higher than pixel pitch of 2200.
Pixel area
7.95 µm²
16.73 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: 8.78 µm² (110%)
A pixel on Canon 70D sensor is approx. 110% bigger than a pixel on Nikon 2200.
Pixel density
12.58 MP/cm²
5.99 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: 6.59 µm (110%)
Nikon 2200 has approx. 110% higher pixel density than Canon 70D.
To learn about the accuracy of these numbers, click here.



Specs

Nikon 2200
Canon 70D
Crop factor
7.7
1.6
Total megapixels
2.10
20.90
Effective megapixels
1.90
20.20
Optical zoom
3x
Digital zoom
Yes
ISO sensitivity
Auto, (50-200)
Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800 (25600 with boost)
RAW
Manual focus
Normal focus range
30 cm
Macro focus range
4 cm
Focal length (35mm equiv.)
36 - 108 mm
Aperture priority
No
Yes
Max. aperture
f2.6 - f4.7
Max. aperture (35mm equiv.)
f20 - f36.2
n/a
Metering
256-segment Matrix
Multi, Center-weighted, Spot, Partial
Exposure compensation
±2 EV (in 1/2 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
1/3000 sec
1/8000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Optical (pentaprism)
White balance presets
6
6
Screen size
1.6"
3"
Screen resolution
80,000 dots
1,040,000 dots
Video capture
Max. video resolution
1920x1080 (30p/25p/24p)
Storage types
Secure Digital
SD/SDHC/SDXC
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA (2) batteries (NiMH recommended)
Rechargeable Li-ion Battery LP-E6
Weight
140 g
755 g
Dimensions
88 x 65 x 38 mm
139 x 104.3 x 78.5 mm
Year
2004
2013




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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 2200 diagonal

The diagonal of 2200 sensor is not 1/3.2 or 0.31" (7.9 mm) as you might expect, but approximately two thirds of that value - 5.62 mm. If you want to know why, see sensor sizes.

w = 4.50 mm
h = 3.37 mm
Diagonal =  4.50² + 3.37²   = 5.62 mm

Canon 70D diagonal

w = 22.50 mm
h = 15.00 mm
Diagonal =  22.50² + 15.00²   = 27.04 mm


Surface area

Surface area is calculated by multiplying the width and the height of a sensor.

2200 sensor area

Width = 4.50 mm
Height = 3.37 mm

Surface area = 4.50 × 3.37 = 15.17 mm²

70D sensor area

Width = 22.50 mm
Height = 15.00 mm

Surface area = 22.50 × 15.00 = 337.50 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

2200 pixel pitch

Sensor width = 4.50 mm
Sensor resolution width = 1596 pixels
Pixel pitch =   4.50  × 1000  = 2.82 µm
1596

70D pixel pitch

Sensor width = 22.50 mm
Sensor resolution width = 5505 pixels
Pixel pitch =   22.50  × 1000  = 4.09 µm
5505


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

2200 pixel area

Pixel pitch = 2.82 µm

Pixel area = 2.82² = 7.95 µm²

70D pixel area

Pixel pitch = 4.09 µm

Pixel area = 4.09² = 16.73 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

2200 pixel density

Sensor resolution width = 1596 pixels
Sensor width = 0.45 cm

Pixel density = (1596 / 0.45)² / 1000000 = 12.58 MP/cm²

70D pixel density

Sensor resolution width = 5505 pixels
Sensor width = 2.25 cm

Pixel density = (5505 / 2.25)² / 1000000 = 5.99 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

2200 sensor resolution

Sensor width = 4.50 mm
Sensor height = 3.37 mm
Effective megapixels = 1.90
r = 4.50/3.37 = 1.34
X =  1.90 × 1000000  = 1191
1.34
Resolution horizontal: X × r = 1191 × 1.34 = 1596
Resolution vertical: X = 1191

Sensor resolution = 1596 x 1191

70D sensor resolution

Sensor width = 22.50 mm
Sensor height = 15.00 mm
Effective megapixels = 20.20
r = 22.50/15.00 = 1.5
X =  20.20 × 1000000  = 3670
1.5
Resolution horizontal: X × r = 3670 × 1.5 = 5505
Resolution vertical: X = 3670

Sensor resolution = 5505 x 3670


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


2200 crop factor

Sensor diagonal in mm = 5.62 mm
Crop factor =   43.27  = 7.7
5.62

70D crop factor

Sensor diagonal in mm = 27.04 mm
Crop factor =   43.27  = 1.6
27.04

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).

2200 equivalent aperture

Crop factor = 7.7
Aperture = f2.6 - f4.7

35-mm equivalent aperture = (f2.6 - f4.7) × 7.7 = f20 - f36.2

70D 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 Canon 70D, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon 70D is 1.6

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