Kodak PixPro AZ522 vs. Kodak EasyShare Z990

Comparison

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PixPro AZ522 image
vs
EasyShare Z990 image
Kodak PixPro AZ522 Kodak EasyShare Z990
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Megapixels
16.38
12.00
Max. image resolution
4608 x 3456
4000 x 3000

Sensor

Sensor type
CMOS
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.33" (~ 6.08 x 4.56 mm)
Sensor resolution
4667 x 3509
3995 x 3004
Diagonal
7.70 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
1.03 : 1
(ratio)
Kodak PixPro AZ522 Kodak EasyShare Z990
Surface area:
28.46 mm² vs 27.72 mm²
Difference: 0.74 mm² (3%)
AZ522 sensor is slightly bigger than Z990 sensor (only 3% difference).
Note: You are comparing cameras of different generations. There is a 3 year gap between Kodak AZ522 (2014) and Kodak Z990 (2011). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.32 µm
1.52 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: 0.2 µm (15%)
Pixel pitch of Z990 is approx. 15% higher than pixel pitch of AZ522.
Pixel area
1.74 µm²
2.31 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:
vs
Pixel area difference: 0.57 µm² (33%)
A pixel on Kodak Z990 sensor is approx. 33% bigger than a pixel on Kodak AZ522.
Pixel density
57.4 MP/cm²
43.17 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: 14.23 µm (33%)
Kodak AZ522 has approx. 33% higher pixel density than Kodak Z990.
To learn about the accuracy of these numbers, click here.



Specs

Kodak AZ522
Kodak Z990
Crop factor
5.62
5.69
Total megapixels
16.79
Effective megapixels
16.38
12.00
Optical zoom
52x
30x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200
Auto, 125, 200, 400, 800, 1600, 3200 and 6400
RAW
Manual focus
Normal focus range
60 cm
70 cm
Macro focus range
1 cm
1 cm
Focal length (35mm equiv.)
24 - 1248 mm
28 - 840 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f5.6
f2.8 - f5.6
Max. aperture (35mm equiv.)
f15.7 - f31.5
f15.9 - f31.9
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
16 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Electronic
Electronic
White balance presets
6
4
Screen size
3"
3"
Screen resolution
460,000 dots
460,000 dots
Video capture
Max. video resolution
1920x1080 (30p)
Storage types
SD/SDHC
SD/SDHC card, Internal
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Rechargeable Li-ion Battery LB-060
AA (4) batteries (NiMH Rechargeable batteries)
Weight
530 g
445 g
Dimensions
118.9 x 88.9 x 97.5 mm
124 x 91 x 105 mm
Year
2014
2011




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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 AZ522 diagonal

The diagonal of AZ522 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

Kodak Z990 diagonal

The diagonal of Z990 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.

AZ522 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Z990 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

AZ522 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4667 pixels
Pixel pitch =   6.16  × 1000  = 1.32 µm
4667

Z990 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 3995 pixels
Pixel pitch =   6.08  × 1000  = 1.52 µm
3995


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

AZ522 pixel area

Pixel pitch = 1.32 µm

Pixel area = 1.32² = 1.74 µm²

Z990 pixel area

Pixel pitch = 1.52 µm

Pixel area = 1.52² = 2.31 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

AZ522 pixel density

Sensor resolution width = 4667 pixels
Sensor width = 0.616 cm

Pixel density = (4667 / 0.616)² / 1000000 = 57.4 MP/cm²

Z990 pixel density

Sensor resolution width = 3995 pixels
Sensor width = 0.608 cm

Pixel density = (3995 / 0.608)² / 1000000 = 43.17 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

AZ522 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.38
r = 6.16/4.62 = 1.33
X =  16.38 × 1000000  = 3509
1.33
Resolution horizontal: X × r = 3509 × 1.33 = 4667
Resolution vertical: X = 3509

Sensor resolution = 4667 x 3509

Z990 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 12.00
r = 6.08/4.56 = 1.33
X =  12.00 × 1000000  = 3004
1.33
Resolution horizontal: X × r = 3004 × 1.33 = 3995
Resolution vertical: X = 3004

Sensor resolution = 3995 x 3004


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


AZ522 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

Z990 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).

AZ522 equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f5.6

35-mm equivalent aperture = (f2.8 - f5.6) × 5.62 = f15.7 - f31.5

Z990 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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