Nikon Coolpix S1100pj vs. Fujifilm FinePix Z70

Comparison

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Nikon Coolpix S1100pj

Fujifilm FinePix Z70

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Megapixels

14.10

12.20

Max. image resolution

4320 x 3240

4000 x 3000

Sensor

Sensor type

CCD

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

4330 x 3256

4029 x 3029

Diagonal

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 S1100pj		Fujifilm FinePix Z70

Surface area:

28.46 mm²

Difference: 0 mm² (0%)

S1100pj and Z70 sensors are the same size.

Pixel pitch

1.42 µm

1.53 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: 0.11 µm (8%)

Pixel pitch of Z70 is approx. 8% higher than pixel pitch of S1100pj.

Pixel area

2.02 µm²

2.34 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: 0.32 µm² (16%)

A pixel on Fujifilm Z70 sensor is approx. 16% bigger than a pixel on Nikon S1100pj.

Pixel density

49.41 MP/cm²

42.78 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: 6.63 µm (15%)

Nikon S1100pj has approx. 15% higher pixel density than Fujifilm Z70.

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

Specs

Nikon S1100pj

Fujifilm Z70

Crop factor

5.62

Total megapixels

14.50

Effective megapixels

14.10

12.20

Optical zoom

Digital zoom

Yes

ISO sensitivity

Auto, 80,100, 200, 400, 800, 1600, 3200, 6400

Auto, 100, 200, 400, 800, 1600

RAW

Manual focus

Normal focus range

30 cm

80 cm

Macro focus range

3 cm

9 cm

Focal length (35mm equiv.)

28 - 140 mm

36 - 180 mm

Aperture priority

Max. aperture

f3.9 - f5.8

f4.0 - f4.8

Max. aperture (35mm equiv.)

f21.9 - f32.6

f22.5 - f27

Metering

Multi, Center-weighted, Spot

TTL 256-zones metering

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

4 sec

1/4 sec

Max. shutter speed

1/1500 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

2.7"

Screen resolution

460,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

SD/SDHC/SDXC, Internal

SDHC, Secure Digital

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

Lithium-Ion EN-EL12 rechargeable battery

Lithium-ion NP-45A battery

Weight

155 g

124 g

Dimensions

100.8 x 62.7 x 24.1 mm

91.0 x 57.1 x 20.1 mm

Year

2010

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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 S1100pj diagonal

The diagonal of S1100pj 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

Fujifilm Z70 diagonal

The diagonal of Z70 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.

S1100pj sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Z70 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

S1100pj pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4330 pixels

Pixel pitch =	6.16	× 1000	= 1.42 µm
	4330

Z70 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4029 pixels

Pixel pitch =	6.16	× 1000	= 1.53 µm
	4029

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

S1100pj pixel area

Pixel pitch = 1.42 µm

Pixel area = 1.42² = 2.02 µm²

Z70 pixel area

Pixel pitch = 1.53 µm

Pixel area = 1.53² = 2.34 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

S1100pj pixel density

Sensor resolution width = 4330 pixels
Sensor width = 0.616 cm

Pixel density = (4330 / 0.616)² / 1000000 = 49.41 MP/cm²

Z70 pixel density

Sensor resolution width = 4029 pixels
Sensor width = 0.616 cm

Pixel density = (4029 / 0.616)² / 1000000 = 42.78 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

S1100pj sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.10

r = 6.16/4.62 = 1.33

X = √	14.10 × 1000000	= 3256
	1.33

Resolution horizontal: X × r = 3256 × 1.33 = 4330
Resolution vertical: X = 3256

Sensor resolution = 4330 x 3256

Z70 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.20

r = 6.16/4.62 = 1.33

X = √	12.20 × 1000000	= 3029
	1.33

Resolution horizontal: X × r = 3029 × 1.33 = 4029
Resolution vertical: X = 3029

Sensor resolution = 4029 x 3029

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

S1100pj crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

Z70 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).

S1100pj equivalent aperture

Crop factor = 5.62
Aperture = f3.9 - f5.8

35-mm equivalent aperture = (f3.9 - f5.8) × 5.62 = f21.9 - f32.6

Z70 equivalent aperture

Crop factor = 5.62
Aperture = f4.0 - f4.8

35-mm equivalent aperture = (f4.0 - f4.8) × 5.62 = f22.5 - f27

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