Canon IXY DIGITAL 930 IS vs. Nikon Coolpix P900

Comparison

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IXY DIGITAL 930 IS image
vs
Coolpix P900 image
Canon IXY DIGITAL 930 IS Nikon Coolpix P900
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Megapixels
12.10
16.00
Max. image resolution
4000 x 3000
4608 x 3456

Sensor

Sensor type
CCD
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
4011 x 3016
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)
Canon IXY DIGITAL 930 IS Nikon Coolpix P900
Surface area:
28.46 mm² vs 28.46 mm²
Difference: 0 mm² (0%)
IXY DIGITAL 930 IS and P900 sensors are the same size.
Note: You are comparing sensors of very different generations. There is a gap of 6 years between Canon IXY DIGITAL 930 IS (2009) and Nikon P900 (2015). Six years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
1.54 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: 0.2 µm (15%)
Pixel pitch of IXY DIGITAL 930 IS is approx. 15% higher than pixel pitch of P900.
Pixel area
2.37 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: 0.57 µm² (32%)
A pixel on Canon IXY DIGITAL 930 IS sensor is approx. 32% bigger than a pixel on Nikon P900.
Pixel density
42.4 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: 13.66 µm (32%)
Nikon P900 has approx. 32% higher pixel density than Canon IXY DIGITAL 930 IS.
To learn about the accuracy of these numbers, click here.



Specs

Canon IXY DIGITAL 930 IS
Nikon P900
Crop factor
5.62
5.62
Total megapixels
16.76
Effective megapixels
12.10
16.00
Optical zoom
5x
83x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80 ,100, 200, 400, 800, 1600
Auto, 100-6400
RAW
Manual focus
Normal focus range
50 cm
50 cm
Macro focus range
3 cm
1 cm
Focal length (35mm equiv.)
24 - 120 mm
24 - 2000 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f5.9
f2.8 - f6.5
Max. aperture (35mm equiv.)
f15.7 - f33.2
f15.7 - 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
No
Yes
Min. shutter speed
15 sec
15 sec
Max. shutter speed
1/3000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
None
Electronic
White balance presets
6
5
Screen size
3"
3"
Screen resolution
230,000 dots
921,000 dots
Video capture
Max. video resolution
1920x1080 (60p/50p/30p/25p)
Storage types
SD, SDHC, MMC, MMCplus, HC MMCplus
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion NB-6L rechargeable battery
Rechargeable Li-ion Battery EN-EL23
Weight
150 g
899 g
Dimensions
100 x 53 x 23 mm
139.5 x 103.2 x 137.4 mm
Year
2009
2015




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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

Canon IXY DIGITAL 930 IS diagonal

The diagonal of IXY DIGITAL 930 IS 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 P900 diagonal

The diagonal of P900 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.

IXY DIGITAL 930 IS sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

P900 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

IXY DIGITAL 930 IS pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4011 pixels
Pixel pitch =   6.16  × 1000  = 1.54 µm
4011

P900 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

IXY DIGITAL 930 IS pixel area

Pixel pitch = 1.54 µm

Pixel area = 1.54² = 2.37 µm²

P900 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

IXY DIGITAL 930 IS pixel density

Sensor resolution width = 4011 pixels
Sensor width = 0.616 cm

Pixel density = (4011 / 0.616)² / 1000000 = 42.4 MP/cm²

P900 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

IXY DIGITAL 930 IS sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.10
r = 6.16/4.62 = 1.33
X =  12.10 × 1000000  = 3016
1.33
Resolution horizontal: X × r = 3016 × 1.33 = 4011
Resolution vertical: X = 3016

Sensor resolution = 4011 x 3016

P900 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


IXY DIGITAL 930 IS crop factor

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

P900 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).

IXY DIGITAL 930 IS equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f5.9

35-mm equivalent aperture = (f2.8 - f5.9) × 5.62 = f15.7 - f33.2

P900 equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f6.5

35-mm equivalent aperture = (f2.8 - f6.5) × 5.62 = f15.7 - f36.5

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