Kyocera Finecam L3 vs. Fujifilm FinePix A400 Zoom

Comparison

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Kyocera Finecam L3

Fujifilm FinePix A400 Zoom

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Megapixels

3.20

4.10

Max. image resolution

2048 x 1536

2303 x 1728

Sensor

Sensor type

CCD

Sensor size

1/2.7" (~ 5.33 x 4 mm)

1/2.5" (~ 5.75 x 4.32 mm)

Sensor resolution

2063 x 1551

2335 x 1756

Diagonal

6.66 mm

7.19 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	:	1.17
(ratio)

Kyocera Finecam L3		Fujifilm FinePix A400 Zoom

Surface area:

21.32 mm²

24.84 mm²

Difference: 3.52 mm² (17%)

A400 Zoom sensor is approx. 1.17x bigger than L3 sensor.

Note: You are comparing cameras of different generations. There is a 3 year gap between Kyocera L3 (2003) and Fujifilm A400 Zoom (2006). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

2.58 µm

2.46 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: 0.12 µm (5%)

Pixel pitch of L3 is approx. 5% higher than pixel pitch of A400 Zoom.

Pixel area

6.66 µm²

6.05 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: 0.61 µm² (10%)

A pixel on Kyocera L3 sensor is approx. 10% bigger than a pixel on Fujifilm A400 Zoom.

Pixel density

14.98 MP/cm²

16.49 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: 1.51 µm (10%)

Fujifilm A400 Zoom has approx. 10% higher pixel density than Kyocera L3.

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

Specs

Kyocera L3

Fujifilm A400 Zoom

Crop factor

6.5

6.02

Total megapixels

4.10

Effective megapixels

4.10

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

Auto, 100, 200, 400

RAW

Manual focus

Normal focus range

60 cm

Macro focus range

20 cm

10 cm

Focal length (35mm equiv.)

38 - 115 mm

38 - 114 mm

Aperture priority

Yes

Max. aperture

f2.8 - f4.7

f3.3 - f5.5

Max. aperture (35mm equiv.)

f18.2 - f30.6

f19.9 - f33.1

Metering

Centre weighted, Matrix, Spot

Multi, Average, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

8 sec

2 sec

Max. shutter speed

1/2000 sec

1/1500 sec

Built-in flash

External flash

Viewfinder

Optical

Optical (tunnel)

White balance presets

Screen size

1.6"

1.8"

Screen resolution

70,000 dots

77,000 dots

Video capture

Max. video resolution

Storage types

MultiMedia, Secure Digital

xD Picture Card, Internal

USB

USB 1.1

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

2x AA

AA (2) batteries (NiMH recommended)

Weight

215 g

170 g

Dimensions

112 x 54 x 35 mm

93 x 60 x 28 mm

Year

2003

2006

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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

Kyocera L3 diagonal

The diagonal of L3 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

Fujifilm A400 Zoom diagonal

The diagonal of A400 Zoom sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm

Diagonal = √

5.75² + 4.32²

= 7.19 mm

Surface area

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

L3 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

A400 Zoom sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

L3 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 2063 pixels

Pixel pitch =	5.33	× 1000	= 2.58 µm
	2063

A400 Zoom pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2335 pixels

Pixel pitch =	5.75	× 1000	= 2.46 µm
	2335

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

L3 pixel area

Pixel pitch = 2.58 µm

Pixel area = 2.58² = 6.66 µm²

A400 Zoom pixel area

Pixel pitch = 2.46 µm

Pixel area = 2.46² = 6.05 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

L3 pixel density

Sensor resolution width = 2063 pixels
Sensor width = 0.533 cm

Pixel density = (2063 / 0.533)² / 1000000 = 14.98 MP/cm²

A400 Zoom pixel density

Sensor resolution width = 2335 pixels
Sensor width = 0.575 cm

Pixel density = (2335 / 0.575)² / 1000000 = 16.49 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

L3 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 3.20

r = 5.33/4.00 = 1.33

X = √	3.20 × 1000000	= 1551
	1.33

Resolution horizontal: X × r = 1551 × 1.33 = 2063
Resolution vertical: X = 1551

Sensor resolution = 2063 x 1551

A400 Zoom sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 4.10

r = 5.75/4.32 = 1.33

X = √	4.10 × 1000000	= 1756
	1.33

Resolution horizontal: X × r = 1756 × 1.33 = 2335
Resolution vertical: X = 1756

Sensor resolution = 2335 x 1756

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

L3 crop factor

Sensor diagonal in mm = 6.66 mm

Crop factor =	43.27	= 6.5
	6.66

A400 Zoom crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

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).

L3 equivalent aperture

Crop factor = 6.5
Aperture = f2.8 - f4.7

35-mm equivalent aperture = (f2.8 - f4.7) × 6.5 = f18.2 - f30.6

A400 Zoom equivalent aperture

Crop factor = 6.02
Aperture = f3.3 - f5.5

35-mm equivalent aperture = (f3.3 - f5.5) × 6.02 = f19.9 - f33.1

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