Fujifilm FinePix A510 vs. Kodak EasyShare LS743

Comparison

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Fujifilm FinePix A510

Kodak EasyShare LS743

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Megapixels

5.10

4.00

Max. image resolution

2592 x 1944

2304 x 1728

Sensor

Sensor type

CCD

Sensor size

1/2.5" (~ 5.75 x 4.32 mm)

1/1.8" (~ 7.11 x 5.33 mm)

Sensor resolution

2604 x 1958

2306 x 1734

Diagonal

7.19 mm

8.89 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	:	1.53
(ratio)

Fujifilm FinePix A510		Kodak EasyShare LS743

Surface area:

24.84 mm²

37.90 mm²

Difference: 13.06 mm² (53%)

LS743 sensor is approx. 1.53x bigger than A510 sensor.

Note: You are comparing cameras of different generations. There is a 2 year gap between Fujifilm A510 (2006) and Kodak LS743 (2004). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

2.21 µm

3.08 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: 0.87 µm (39%)

Pixel pitch of LS743 is approx. 39% higher than pixel pitch of A510.

Pixel area

4.88 µm²

9.49 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: 4.61 µm² (94%)

A pixel on Kodak LS743 sensor is approx. 94% bigger than a pixel on Fujifilm A510.

Pixel density

20.51 MP/cm²

10.52 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: 9.99 µm (95%)

Fujifilm A510 has approx. 95% higher pixel density than Kodak LS743.

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

Specs

Fujifilm A510

Kodak LS743

Crop factor

6.02

4.87

Total megapixels

4.20

Effective megapixels

4.00

Optical zoom

Yes

2.8x

Digital zoom

Yes

ISO sensitivity

Auto, 100, 200, 400

Auto, 80, 200, 400

RAW

Manual focus

Normal focus range

60 cm

Macro focus range

10 cm

12 cm

Focal length (35mm equiv.)

38 - 114 mm

36 - 100 mm

Aperture priority

Max. aperture

f3.3 - f5.5

f3.0 - f5.1

Max. aperture (35mm equiv.)

f19.9 - f33.1

f14.6 - f24.8

Metering

64-segment

Multi, Center-weighted, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

±2 EV (in 1/2 EV steps)

Shutter priority

Min. shutter speed

2 sec

1/2 sec

Max. shutter speed

1/1500 sec

1/1400 sec

Built-in flash

External flash

Viewfinder

Optical

Optical (tunnel)

White balance presets

Screen size

1.8"

Screen resolution

77,000 dots

134,000 dots

Video capture

Max. video resolution

Storage types

xD Picture card

SD/MMC card, Internal

USB

USB 2.0 (480 Mbit/sec)

USB 1.0

HDMI

Wireless

GPS

Battery

2x AA

Kodak Lithium-Ion (included)

Weight

140 g

220 g

Dimensions

93 x 6 x 27.5 mm

108 x 49 x 30 mm

Year

2006

2004

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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 A510 diagonal

The diagonal of A510 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

Kodak LS743 diagonal

The diagonal of LS743 sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm

Diagonal = √

7.11² + 5.33²

= 8.89 mm

Surface area

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

A510 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

LS743 sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 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

A510 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2604 pixels

Pixel pitch =	5.75	× 1000	= 2.21 µm
	2604

LS743 pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2306 pixels

Pixel pitch =	7.11	× 1000	= 3.08 µm
	2306

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

A510 pixel area

Pixel pitch = 2.21 µm

Pixel area = 2.21² = 4.88 µm²

LS743 pixel area

Pixel pitch = 3.08 µm

Pixel area = 3.08² = 9.49 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

A510 pixel density

Sensor resolution width = 2604 pixels
Sensor width = 0.575 cm

Pixel density = (2604 / 0.575)² / 1000000 = 20.51 MP/cm²

LS743 pixel density

Sensor resolution width = 2306 pixels
Sensor width = 0.711 cm

Pixel density = (2306 / 0.711)² / 1000000 = 10.52 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

A510 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 5.10

r = 5.75/4.32 = 1.33

X = √	5.10 × 1000000	= 1958
	1.33

Resolution horizontal: X × r = 1958 × 1.33 = 2604
Resolution vertical: X = 1958

Sensor resolution = 2604 x 1958

LS743 sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 4.00

r = 7.11/5.33 = 1.33

X = √	4.00 × 1000000	= 1734
	1.33

Resolution horizontal: X × r = 1734 × 1.33 = 2306
Resolution vertical: X = 1734

Sensor resolution = 2306 x 1734

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

A510 crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

LS743 crop factor

Sensor diagonal in mm = 8.89 mm

Crop factor =	43.27	= 4.87
	8.89

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).

A510 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

LS743 equivalent aperture

Crop factor = 4.87
Aperture = f3.0 - f5.1

35-mm equivalent aperture = (f3.0 - f5.1) × 4.87 = f14.6 - f24.8

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