HP Photosmart C215 vs. Nikon Coolpix 2000

Comparison

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HP Photosmart C215

Nikon Coolpix 2000

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Megapixels

1.30

1.90

Max. image resolution

1280 x 960

1632 x 1224

Sensor

Sensor type

CCD

Sensor size

1/2.7" (~ 5.33 x 4 mm)

Sensor resolution

1315 x 989

1589 x 1195

Diagonal

6.66 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)

HP Photosmart C215		Nikon Coolpix 2000

Surface area:

21.32 mm²

Difference: 0 mm² (0%)

C215 and 2000 sensors are the same size.

Note: You are comparing cameras of different generations. There is a 2 year gap between HP C215 (2000) and Nikon 2000 (2002). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

4.05 µm

3.35 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: 0.7 µm (21%)

Pixel pitch of C215 is approx. 21% higher than pixel pitch of 2000.

Pixel area

16.4 µm²

11.22 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:

Pixel area difference: 5.18 µm² (46%)

A pixel on HP C215 sensor is approx. 46% bigger than a pixel on Nikon 2000.

Pixel density

6.09 MP/cm²

8.89 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: 2.8 µm (46%)

Nikon 2000 has approx. 46% higher pixel density than HP C215.

To learn about the accuracy of these numbers, click here.

Specs

HP C215

Nikon 2000

Crop factor

6.5

Total megapixels

2.10

Effective megapixels

1.90

Optical zoom

Digital zoom

Yes

ISO sensitivity

100

Auto, (50-100)

RAW

Manual focus

Normal focus range

60 cm

30 cm

Macro focus range

10 cm

4 cm

Focal length (35mm equiv.)

43 mm

38 - 114 mm

Aperture priority

Max. aperture

f2.8

f2.8 - f4.9

Max. aperture (35mm equiv.)

f18.2

f18.2 - f31.9

Metering

Centre weighted

Centre weighted, Matrix, Spot

Exposure compensation

±2 EV (in 1/2 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

1 sec

Max. shutter speed

1/750 sec

1/1000 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

None

White balance presets

Screen size

1.8"

1.5"

Screen resolution

61,000 dots

110,000 dots

Video capture

Max. video resolution

Storage types

CompactFlash type I

USB

USB 1.0

HDMI

Wireless

GPS

Battery

AA (4) batteries (NiMH recommended)

Weight

350 g

280 g

Dimensions

124 x 80 x 48 mm

108 x 69 x 38 mm

Year

2000

2002

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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

HP C215 diagonal

The diagonal of C215 sensor is not 1/2.7 or 0.37" (9.4 mm) as you might expect, but approximately two thirds of that value - 6.66 mm. If you want to know why, see sensor sizes.

w = 5.33 mm
h = 4.00 mm

Diagonal = √

5.33² + 4.00²

= 6.66 mm

Nikon 2000 diagonal

The diagonal of 2000 sensor is not 1/2.7 or 0.37" (9.4 mm) as you might expect, but approximately two thirds of that value - 6.66 mm. If you want to know why, see sensor sizes.

w = 5.33 mm
h = 4.00 mm

Diagonal = √

5.33² + 4.00²

= 6.66 mm

Surface area

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

C215 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

2000 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 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

C215 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1315 pixels

Pixel pitch =	5.33	× 1000	= 4.05 µm
	1315

2000 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1589 pixels

Pixel pitch =	5.33	× 1000	= 3.35 µm
	1589

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

C215 pixel area

Pixel pitch = 4.05 µm

Pixel area = 4.05² = 16.4 µm²

2000 pixel area

Pixel pitch = 3.35 µm

Pixel area = 3.35² = 11.22 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

C215 pixel density

Sensor resolution width = 1315 pixels
Sensor width = 0.533 cm

Pixel density = (1315 / 0.533)² / 1000000 = 6.09 MP/cm²

2000 pixel density

Sensor resolution width = 1589 pixels
Sensor width = 0.533 cm

Pixel density = (1589 / 0.533)² / 1000000 = 8.89 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

C215 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 1.30

r = 5.33/4.00 = 1.33

X = √	1.30 × 1000000	= 989
	1.33

Resolution horizontal: X × r = 989 × 1.33 = 1315
Resolution vertical: X = 989

Sensor resolution = 1315 x 989

2000 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 1.90

r = 5.33/4.00 = 1.33

X = √	1.90 × 1000000	= 1195
	1.33

Resolution horizontal: X × r = 1195 × 1.33 = 1589
Resolution vertical: X = 1195

Sensor resolution = 1589 x 1195

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

C215 crop factor

Sensor diagonal in mm = 6.66 mm

Crop factor =	43.27	= 6.5
	6.66

2000 crop factor

Sensor diagonal in mm = 6.66 mm

Crop factor =	43.27	= 6.5
	6.66

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).

C215 equivalent aperture

Crop factor = 6.5
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 6.5 = f18.2

2000 equivalent aperture

Crop factor = 6.5
Aperture = f2.8 - f4.9

35-mm equivalent aperture = (f2.8 - f4.9) × 6.5 = f18.2 - f31.9

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