Fujifilm FinePix T350 vs. Casio Exilim EX-N20

Comparison

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Fujifilm FinePix T350

Casio Exilim EX-N20

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Megapixels

14.00

16.10

Max. image resolution

4288 x 3216

4608 x 3456

Sensor

Sensor type

CCD

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

4315 x 3244

4627 x 3479

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)

Fujifilm FinePix T350		Casio Exilim EX-N20

Surface area:

28.46 mm²

Difference: 0 mm² (0%)

T350 and N20 sensors are the same size.

Pixel pitch

1.43 µm

1.33 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: 0.1 µm (8%)

Pixel pitch of T350 is approx. 8% higher than pixel pitch of N20.

Pixel area

2.04 µm²

1.77 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: 0.27 µm² (15%)

A pixel on Fujifilm T350 sensor is approx. 15% bigger than a pixel on Casio N20.

Pixel density

49.07 MP/cm²

56.42 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: 7.35 µm (15%)

Casio N20 has approx. 15% higher pixel density than Fujifilm T350.

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

Specs

Fujifilm T350

Casio N20

Crop factor

5.62

Total megapixels

16.44

Effective megapixels

16.10

Optical zoom

10x

Digital zoom

Yes

ISO sensitivity

Auto, 100, 200, 300, 400, 800, 1600

Auto, 64, 100, 200, 400, 800, 1600

RAW

Manual focus

Normal focus range

Macro focus range

Focal length (35mm equiv.)

28 - 280 mm

26 - 130 mm

Aperture priority

Max. aperture

f3.4 - f5.6

f3.2 - f6.5

Max. aperture (35mm equiv.)

f19.1 - f31.5

f18 - f36.5

Metering

Multi pattern, Center weighted

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

4 sec

Max. shutter speed

1/2000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

2.7"

Screen resolution

230,000 dots

230,400 dots

Video capture

Max. video resolution

Storage types

SD/SDHC/SDXC

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

Li-ion battery NP-45A or NP-45B

Rechargeable lithium ion battery (NP-80)

Weight

159 g

128 g

Dimensions

104.2 x 58.5 x 28.5 mm

98.5 x 58.2 x 21.2 mm

Year

2012

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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

Fujifilm T350 diagonal

The diagonal of T350 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

Casio N20 diagonal

The diagonal of N20 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.

T350 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

N20 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

T350 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4315 pixels

Pixel pitch =	6.16	× 1000	= 1.43 µm
	4315

N20 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4627 pixels

Pixel pitch =	6.16	× 1000	= 1.33 µm
	4627

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

T350 pixel area

Pixel pitch = 1.43 µm

Pixel area = 1.43² = 2.04 µm²

N20 pixel area

Pixel pitch = 1.33 µm

Pixel area = 1.33² = 1.77 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

T350 pixel density

Sensor resolution width = 4315 pixels
Sensor width = 0.616 cm

Pixel density = (4315 / 0.616)² / 1000000 = 49.07 MP/cm²

N20 pixel density

Sensor resolution width = 4627 pixels
Sensor width = 0.616 cm

Pixel density = (4627 / 0.616)² / 1000000 = 56.42 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

T350 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.00

r = 6.16/4.62 = 1.33

X = √	14.00 × 1000000	= 3244
	1.33

Resolution horizontal: X × r = 3244 × 1.33 = 4315
Resolution vertical: X = 3244

Sensor resolution = 4315 x 3244

N20 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.10

r = 6.16/4.62 = 1.33

X = √	16.10 × 1000000	= 3479
	1.33

Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479

Sensor resolution = 4627 x 3479

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

T350 crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

N20 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).

T350 equivalent aperture

Crop factor = 5.62
Aperture = f3.4 - f5.6

35-mm equivalent aperture = (f3.4 - f5.6) × 5.62 = f19.1 - f31.5

N20 equivalent aperture

Crop factor = 5.62
Aperture = f3.2 - f6.5

35-mm equivalent aperture = (f3.2 - f6.5) × 5.62 = f18 - f36.5

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