Kodak EasyShare DX3600 vs. Kodak EasyShare Z5120

Comparison

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Kodak EasyShare DX3600

Kodak EasyShare Z5120

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Megapixels

2.20

16.00

Max. image resolution

1800 x 1200

4608 x 2456

Sensor

Sensor type

CCD

CMOS

Sensor size

1/2" (~ 6.4 x 4.8 mm)

1/2.33" (~ 6.08 x 4.56 mm)

Sensor resolution

1710 x 1286

4612 x 3468

Diagonal

8.00 mm

7.60 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
1.11	:	1
(ratio)

Kodak EasyShare DX3600		Kodak EasyShare Z5120

Surface area:

30.72 mm²

27.72 mm²

Difference: 3 mm² (11%)

DX3600 sensor is approx. 1.11x bigger than Z5120 sensor.

Note: You are comparing sensors of vastly different generations. There is a gap of 11 years between Kodak DX3600 (2001) and Kodak Z5120 (2012). Eleven years is a huge amount of time, technology wise, resulting in newer sensor being much more efficient than the older one.

Pixel pitch

3.74 µm

1.32 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: 2.42 µm (183%)

Pixel pitch of DX3600 is approx. 183% higher than pixel pitch of Z5120.

Pixel area

13.99 µm²

1.74 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: 12.25 µm² (704%)

A pixel on Kodak DX3600 sensor is approx. 704% bigger than a pixel on Kodak Z5120.

Pixel density

7.14 MP/cm²

57.54 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: 50.4 µm (706%)

Kodak Z5120 has approx. 706% higher pixel density than Kodak DX3600.

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

Specs

Kodak DX3600

Kodak Z5120

Crop factor

5.41

5.69

Total megapixels

2.30

16.40

Effective megapixels

2.20

16.00

Optical zoom

26x

Digital zoom

Yes

ISO sensitivity

Auto, (100 - 200)

Auto, 125, 200, 400, 800, 1600, 3200 and 6400

RAW

Manual focus

Normal focus range

50 cm

70 cm

Macro focus range

28 cm

1 cm

Focal length (35mm equiv.)

35 - 70 mm

26 - 676 mm

Aperture priority

Yes

Max. aperture

f3.3 - f4.5

f2.8 - f5.6

Max. aperture (35mm equiv.)

f17.9 - f24.3

f15.9 - f31.9

Metering

Multi, Center-weighted, Spot

Centre weighted, Multi-segment, Spot

Exposure compensation

±3 EV (in 1/3 EV, 1/2 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

1/8 sec

16 sec

Max. shutter speed

1/1200 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

Electronic

White balance presets

Screen size

1.8"

Screen resolution

72,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

Compact Flash Type I, Internal

SDHC, Secure Digital

USB

USB 1.0

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

AA (2) batteries (NiMH recommended)

AA (4) batteries (NiMH Rechargeable batteries)

Weight

250 g

445 g

Dimensions

120 x 74 x 50 mm

124 x 91 x 105 mm

Year

2001

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

Kodak DX3600 diagonal

The diagonal of DX3600 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

Kodak Z5120 diagonal

The diagonal of Z5120 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of that value - 7.6 mm. If you want to know why, see sensor sizes.

w = 6.08 mm
h = 4.56 mm

Diagonal = √

6.08² + 4.56²

= 7.60 mm

Surface area

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

DX3600 sensor area

Width = 6.40 mm
Height = 4.80 mm

Surface area = 6.40 × 4.80 = 30.72 mm²

Z5120 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 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

DX3600 pixel pitch

Sensor width = 6.40 mm
Sensor resolution width = 1710 pixels

Pixel pitch =	6.40	× 1000	= 3.74 µm
	1710

Z5120 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4612 pixels

Pixel pitch =	6.08	× 1000	= 1.32 µm
	4612

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

DX3600 pixel area

Pixel pitch = 3.74 µm

Pixel area = 3.74² = 13.99 µm²

Z5120 pixel area

Pixel pitch = 1.32 µm

Pixel area = 1.32² = 1.74 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

DX3600 pixel density

Sensor resolution width = 1710 pixels
Sensor width = 0.64 cm

Pixel density = (1710 / 0.64)² / 1000000 = 7.14 MP/cm²

Z5120 pixel density

Sensor resolution width = 4612 pixels
Sensor width = 0.608 cm

Pixel density = (4612 / 0.608)² / 1000000 = 57.54 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

DX3600 sensor resolution

Sensor width = 6.40 mm
Sensor height = 4.80 mm
Effective megapixels = 2.20

r = 6.40/4.80 = 1.33

X = √	2.20 × 1000000	= 1286
	1.33

Resolution horizontal: X × r = 1286 × 1.33 = 1710
Resolution vertical: X = 1286

Sensor resolution = 1710 x 1286

Z5120 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 16.00

r = 6.08/4.56 = 1.33

X = √	16.00 × 1000000	= 3468
	1.33

Resolution horizontal: X × r = 3468 × 1.33 = 4612
Resolution vertical: X = 3468

Sensor resolution = 4612 x 3468

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

DX3600 crop factor

Sensor diagonal in mm = 8.00 mm

Crop factor =	43.27	= 5.41
	8.00

Z5120 crop factor

Sensor diagonal in mm = 7.60 mm

Crop factor =	43.27	= 5.69
	7.60

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).

DX3600 equivalent aperture

Crop factor = 5.41
Aperture = f3.3 - f4.5

35-mm equivalent aperture = (f3.3 - f4.5) × 5.41 = f17.9 - f24.3

Z5120 equivalent aperture

Crop factor = 5.69
Aperture = f2.8 - f5.6

35-mm equivalent aperture = (f2.8 - f5.6) × 5.69 = f15.9 - f31.9

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