Kodak PixPro AZ651 vs. Kodak PixPro S-1

Comparison

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Kodak PixPro AZ651

Kodak PixPro S-1

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Megapixels

20.68

16.83

Max. image resolution

5184 x 3888

4640 x 3480

Sensor

Sensor type

CMOS

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

Four Thirds (17.3 x 13 mm)

Sensor resolution

5244 x 3943

4731 x 3557

Diagonal

7.70 mm

21.64 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	:	7.9
(ratio)

Kodak PixPro AZ651		Kodak PixPro S-1

Surface area:

28.46 mm²

224.90 mm²

Difference: 196.44 mm² (690%)

S-1 sensor is approx. 7.9x bigger than AZ651 sensor.

Pixel pitch

1.17 µm

3.66 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: 2.49 µm (213%)

Pixel pitch of S-1 is approx. 213% higher than pixel pitch of AZ651.

Pixel area

1.37 µm²

13.4 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: 12.03 µm² (878%)

A pixel on Kodak S-1 sensor is approx. 878% bigger than a pixel on Kodak AZ651.

Pixel density

72.47 MP/cm²

7.48 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: 64.99 µm (869%)

Kodak AZ651 has approx. 869% higher pixel density than Kodak S-1.

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

Specs

Kodak AZ651

Kodak S-1

Crop factor

5.62

Total megapixels

21.14

Effective megapixels

20.68

16.83

Optical zoom

65x

Digital zoom

Yes

ISO sensitivity

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

Auto, 200-12800

RAW

Manual focus

Normal focus range

50 cm

Macro focus range

1 cm

Focal length (35mm equiv.)

24 - 1560 mm

Aperture priority

Yes

Max. aperture

f2.9 - f6.7

Max. aperture (35mm equiv.)

f16.3 - f37.7

n/a

Metering

Multi, Center-weighted, Spot

Exposure compensation

±3 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

30 sec

Max. shutter speed

1/2000 sec

1/4000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

Screen resolution

460,000 dots

920,000 dots

Video capture

Max. video resolution

1920x1080

1920x1080 (30p)

Storage types

SD/SDHC

SD/SDHC/SDXC

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

Rechargeable Li-ion Battery LB-070

Weight

604 g

290 g

Dimensions

124.7 x 89 x 113.8 mm

115.7 x 67.4 x 35.6 mm

Year

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 AZ651 diagonal

The diagonal of AZ651 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 S-1 diagonal

w = 17.30 mm
h = 13.00 mm

Diagonal = √

17.30² + 13.00²

= 21.64 mm

Surface area

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

AZ651 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

S-1 sensor area

Width = 17.30 mm
Height = 13.00 mm

Surface area = 17.30 × 13.00 = 224.90 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

AZ651 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5244 pixels

Pixel pitch =	6.16	× 1000	= 1.17 µm
	5244

S-1 pixel pitch

Sensor width = 17.30 mm
Sensor resolution width = 4731 pixels

Pixel pitch =	17.30	× 1000	= 3.66 µm
	4731

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

AZ651 pixel area

Pixel pitch = 1.17 µm

Pixel area = 1.17² = 1.37 µm²

S-1 pixel area

Pixel pitch = 3.66 µm

Pixel area = 3.66² = 13.4 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

AZ651 pixel density

Sensor resolution width = 5244 pixels
Sensor width = 0.616 cm

Pixel density = (5244 / 0.616)² / 1000000 = 72.47 MP/cm²

S-1 pixel density

Sensor resolution width = 4731 pixels
Sensor width = 1.73 cm

Pixel density = (4731 / 1.73)² / 1000000 = 7.48 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

AZ651 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 20.68

r = 6.16/4.62 = 1.33

X = √	20.68 × 1000000	= 3943
	1.33

Resolution horizontal: X × r = 3943 × 1.33 = 5244
Resolution vertical: X = 3943

Sensor resolution = 5244 x 3943

S-1 sensor resolution

Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 16.83

r = 17.30/13.00 = 1.33

X = √	16.83 × 1000000	= 3557
	1.33

Resolution horizontal: X × r = 3557 × 1.33 = 4731
Resolution vertical: X = 3557

Sensor resolution = 4731 x 3557

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

AZ651 crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

S-1 crop factor

Sensor diagonal in mm = 21.64 mm

Crop factor =	43.27	= 2
	21.64

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).

AZ651 equivalent aperture

Crop factor = 5.62
Aperture = f2.9 - f6.7

35-mm equivalent aperture = (f2.9 - f6.7) × 5.62 = f16.3 - f37.7

S-1 equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Kodak S-1, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Kodak S-1 is 2

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