Kodak EasyShare Z5120 vs. Kodak PixPro AZ501

Comparison

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Kodak EasyShare Z5120

Kodak PixPro AZ501

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Megapixels

16.00

16.15

Max. image resolution

4608 x 2456

4608 x 3456

Sensor

Sensor type

CMOS

CCD

Sensor size

1/2.33" (~ 6.08 x 4.56 mm)

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

4612 x 3468

4635 x 3485

Diagonal

7.60 mm

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	:	1.03
(ratio)

Kodak EasyShare Z5120		Kodak PixPro AZ501

Surface area:

27.72 mm²

28.46 mm²

Difference: 0.74 mm² (3%)

AZ501 sensor is slightly bigger than Z5120 sensor (only 3% difference).

Note: You are comparing cameras of different generations. There is a 2 year gap between Kodak Z5120 (2012) and Kodak AZ501 (2014). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

1.32 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: 0.01 µm (0.8%)

Pixel pitch of AZ501 is approx. 0.8% higher than pixel pitch of Z5120.

Pixel area

1.74 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: 0.03 µm² (2%)

A pixel on Kodak AZ501 sensor is approx. 2% bigger than a pixel on Kodak Z5120.

Pixel density

57.54 MP/cm²

56.62 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: 0.92 µm (2%)

Kodak Z5120 has approx. 2% higher pixel density than Kodak AZ501.

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

Specs

Kodak Z5120

Kodak AZ501

Crop factor

5.69

5.62

Total megapixels

16.40

16.44

Effective megapixels

16.00

16.15

Optical zoom

26x

50x

Digital zoom

Yes

ISO sensitivity

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

Auto, 80, 100, 200, 400, 800, 1600, 3200

RAW

Manual focus

Normal focus range

70 cm

60 cm

Macro focus range

1 cm

Focal length (35mm equiv.)

26 - 676 mm

24 - 1200 mm

Aperture priority

Yes

Max. aperture

f2.8 - f5.6

f2.8 - f5.4

Max. aperture (35mm equiv.)

f15.9 - f31.9

f15.7 - f30.3

Metering

Centre weighted, Multi-segment, Spot

Multi, Center-weighted, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

16 sec

30 sec

Max. shutter speed

1/2000 sec

Built-in flash

External flash

Viewfinder

Electronic

None

White balance presets

Screen size

Screen resolution

230,000 dots

460,000 dots

Video capture

Max. video resolution

1280x720 (30p)

Storage types

SDHC, Secure Digital

SD/SDHC

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

AA (4) batteries (NiMH Rechargeable batteries)

Rechargeable Li-ion Battery LB-060

Weight

445 g

503 g

Dimensions

124 x 91 x 105 mm

121.3 x 85.8 x 97.5 mm

Year

2012

2014

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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 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

Kodak AZ501 diagonal

The diagonal of AZ501 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.

Z5120 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 mm²

AZ501 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

Z5120 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4612 pixels

Pixel pitch =	6.08	× 1000	= 1.32 µm
	4612

AZ501 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4635 pixels

Pixel pitch =	6.16	× 1000	= 1.33 µm
	4635

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

Z5120 pixel area

Pixel pitch = 1.32 µm

Pixel area = 1.32² = 1.74 µm²

AZ501 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

Z5120 pixel density

Sensor resolution width = 4612 pixels
Sensor width = 0.608 cm

Pixel density = (4612 / 0.608)² / 1000000 = 57.54 MP/cm²

AZ501 pixel density

Sensor resolution width = 4635 pixels
Sensor width = 0.616 cm

Pixel density = (4635 / 0.616)² / 1000000 = 56.62 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

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

AZ501 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.15

r = 6.16/4.62 = 1.33

X = √	16.15 × 1000000	= 3485
	1.33

Resolution horizontal: X × r = 3485 × 1.33 = 4635
Resolution vertical: X = 3485

Sensor resolution = 4635 x 3485

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

Z5120 crop factor

Sensor diagonal in mm = 7.60 mm

Crop factor =	43.27	= 5.69
	7.60

AZ501 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).

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

AZ501 equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f5.4

35-mm equivalent aperture = (f2.8 - f5.4) × 5.62 = f15.7 - f30.3

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