Concord 3045 vs. Fujifilm FinePix 4700 Zoom

Comparison

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Concord 3045

Fujifilm FinePix 4700 Zoom

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Megapixels

3.10

2.40

Max. image resolution

2560 x 1920

2400 x 1800

Sensor

Sensor type

CMOS

CCD

Sensor size

1/2" (~ 6.4 x 4.8 mm)

1/1.7" (~ 7.53 x 5.64 mm)

Sensor resolution

2031 x 1527

1793 x 1338

Diagonal

8.00 mm

9.41 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	:	1.38
(ratio)

Concord 3045		Fujifilm FinePix 4700 Zoom

Surface area:

30.72 mm²

42.47 mm²

Difference: 11.75 mm² (38%)

4700 Zoom sensor is approx. 1.38x bigger than 3045 sensor.

Note: You are comparing cameras of different generations. There is a 5 year gap between Concord 3045 (2005) and Fujifilm 4700 Zoom (2000). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

3.15 µm

4.2 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: 1.05 µm (33%)

Pixel pitch of 4700 Zoom is approx. 33% higher than pixel pitch of 3045.

Pixel area

9.92 µm²

17.64 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: 7.72 µm² (78%)

A pixel on Fujifilm 4700 Zoom sensor is approx. 78% bigger than a pixel on Concord 3045.

Pixel density

10.07 MP/cm²

5.67 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: 4.4 µm (78%)

Concord 3045 has approx. 78% higher pixel density than Fujifilm 4700 Zoom.

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

Specs

Concord 3045

Fujifilm 4700 Zoom

Crop factor

5.41

4.6

Total megapixels

2.40

Effective megapixels

2.40

Optical zoom

Digital zoom

Yes

ISO sensitivity

100

200, 400, 800

RAW

Manual focus

Normal focus range

100 cm

80 cm

Macro focus range

20 cm

Focal length (35mm equiv.)

45 mm

36 - 108 mm

Aperture priority

Max. aperture

f2.8

f2.8 - f4.5

Max. aperture (35mm equiv.)

f15.1

f12.9 - f20.7

Metering

Centre weighted

Multi, Average, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

±1.5 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

1/2 sec

3 sec

Max. shutter speed

1/4980 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

Optical

Optical (tunnel)

White balance presets

Screen size

1.5"

Screen resolution

61,600 dots

130,000 dots

Video capture

Max. video resolution

Storage types

Secure Digital

SmartMedia

USB

USB 1.1

USB 1.0

HDMI

Wireless

GPS

Battery

4x AAA

AA NiMH (2) batteries (supplied)

Weight

100 g

280 g

Dimensions

97 x 28 x 63 mm

78 x 98 x 33 mm

Year

2005

2000

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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

Concord 3045 diagonal

The diagonal of 3045 sensor is not 1/2 or 0.5" (12.7 mm) as you might expect, but approximately two thirds of that value - 8 mm. If you want to know why, see sensor sizes.

w = 6.40 mm
h = 4.80 mm

Diagonal = √

6.40² + 4.80²

= 8.00 mm

Fujifilm 4700 Zoom diagonal

The diagonal of 4700 Zoom sensor is not 1/1.7 or 0.59" (14.9 mm) as you might expect, but approximately two thirds of that value - 9.41 mm. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm

Diagonal = √

7.53² + 5.64²

= 9.41 mm

Surface area

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

3045 sensor area

Width = 6.40 mm
Height = 4.80 mm

Surface area = 6.40 × 4.80 = 30.72 mm²

4700 Zoom sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 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

3045 pixel pitch

Sensor width = 6.40 mm
Sensor resolution width = 2031 pixels

Pixel pitch =	6.40	× 1000	= 3.15 µm
	2031

4700 Zoom pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 1793 pixels

Pixel pitch =	7.53	× 1000	= 4.2 µm
	1793

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

3045 pixel area

Pixel pitch = 3.15 µm

Pixel area = 3.15² = 9.92 µm²

4700 Zoom pixel area

Pixel pitch = 4.2 µm

Pixel area = 4.2² = 17.64 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

3045 pixel density

Sensor resolution width = 2031 pixels
Sensor width = 0.64 cm

Pixel density = (2031 / 0.64)² / 1000000 = 10.07 MP/cm²

4700 Zoom pixel density

Sensor resolution width = 1793 pixels
Sensor width = 0.753 cm

Pixel density = (1793 / 0.753)² / 1000000 = 5.67 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

3045 sensor resolution

Sensor width = 6.40 mm
Sensor height = 4.80 mm
Effective megapixels = 3.10

r = 6.40/4.80 = 1.33

X = √	3.10 × 1000000	= 1527
	1.33

Resolution horizontal: X × r = 1527 × 1.33 = 2031
Resolution vertical: X = 1527

Sensor resolution = 2031 x 1527

4700 Zoom sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 2.40

r = 7.53/5.64 = 1.34

X = √	2.40 × 1000000	= 1338
	1.34

Resolution horizontal: X × r = 1338 × 1.34 = 1793
Resolution vertical: X = 1338

Sensor resolution = 1793 x 1338

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

3045 crop factor

Sensor diagonal in mm = 8.00 mm

Crop factor =	43.27	= 5.41
	8.00

4700 Zoom crop factor

Sensor diagonal in mm = 9.41 mm

Crop factor =	43.27	= 4.6
	9.41

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).

3045 equivalent aperture

Crop factor = 5.41
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 5.41 = f15.1

4700 Zoom equivalent aperture

Crop factor = 4.6
Aperture = f2.8 - f4.5

35-mm equivalent aperture = (f2.8 - f4.5) × 4.6 = f12.9 - f20.7

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