Kodak EasyShare V1253 vs. Kodak PixPro AZ521

Comparison

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Kodak EasyShare V1253

Kodak PixPro AZ521

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Megapixels

12.00

16.38

Max. image resolution

4000 x 3000

4608 x 3456

Sensor

Sensor type

CCD

CMOS

Sensor size

1/1.72" (~ 7.44 x 5.58 mm)

1/2.3" (~ 6.16 x 4.62 mm)

Sensor resolution

3995 x 3004

4667 x 3509

Diagonal

9.30 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
1.46	:	1
(ratio)

Kodak EasyShare V1253		Kodak PixPro AZ521

Surface area:

41.52 mm²

28.46 mm²

Difference: 13.06 mm² (46%)

V1253 sensor is approx. 1.46x bigger than AZ521 sensor.

Note: You are comparing sensors of very different generations. There is a gap of 6 years between Kodak V1253 (2007) and Kodak AZ521 (2013). Six years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.

Pixel pitch

1.86 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: 0.54 µm (41%)

Pixel pitch of V1253 is approx. 41% higher than pixel pitch of AZ521.

Pixel area

3.46 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: 1.72 µm² (99%)

A pixel on Kodak V1253 sensor is approx. 99% bigger than a pixel on Kodak AZ521.

Pixel density

28.83 MP/cm²

57.4 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: 28.57 µm (99%)

Kodak AZ521 has approx. 99% higher pixel density than Kodak V1253.

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

Specs

Kodak V1253

Kodak AZ521

Crop factor

4.65

5.62

Total megapixels

12.40

16.79

Effective megapixels

12.00

16.38

Optical zoom

52x

Digital zoom

Yes

ISO sensitivity

Auto, 64, 100, 200, 400, 800, 1600, 3200

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

RAW

Manual focus

Normal focus range

60 cm

Macro focus range

5 cm

1 cm

Focal length (35mm equiv.)

37 - 111 mm

24 - 1248 mm

Aperture priority

Yes

Max. aperture

f3.4 - f5.3

f2.8 - f5.6

Max. aperture (35mm equiv.)

f15.8 - f24.6

f15.7 - f31.5

Metering

Centre weighted, Multi-pattern, Spot

Multi, Center-weighted, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

±3 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

8 sec

30 sec

Max. shutter speed

1/1200 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

3.1"

Screen resolution

115,000 dots

460,000 dots

Video capture

Max. video resolution

Storage types

MultiMedia, SDHC, Secure Digital

SD/SDHC

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

Kodak KLIC-7004 Lithium-Ion,

Rechargeable Li-ion Battery LB-060

Weight

155 g

503 g

Dimensions

101.9 x 54.6 x 23.4 mm

121.3 x 85.8 x 97.5 mm

Year

2007

2013

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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 V1253 diagonal

The diagonal of V1253 sensor is not 1/1.72 or 0.58" (14.8 mm) as you might expect, but approximately two thirds of that value - 9.3 mm. If you want to know why, see sensor sizes.

w = 7.44 mm
h = 5.58 mm

Diagonal = √

7.44² + 5.58²

= 9.30 mm

Kodak AZ521 diagonal

The diagonal of AZ521 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.

V1253 sensor area

Width = 7.44 mm
Height = 5.58 mm

Surface area = 7.44 × 5.58 = 41.52 mm²

AZ521 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

V1253 pixel pitch

Sensor width = 7.44 mm
Sensor resolution width = 3995 pixels

Pixel pitch =	7.44	× 1000	= 1.86 µm
	3995

AZ521 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4667 pixels

Pixel pitch =	6.16	× 1000	= 1.32 µm
	4667

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

V1253 pixel area

Pixel pitch = 1.86 µm

Pixel area = 1.86² = 3.46 µm²

AZ521 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

V1253 pixel density

Sensor resolution width = 3995 pixels
Sensor width = 0.744 cm

Pixel density = (3995 / 0.744)² / 1000000 = 28.83 MP/cm²

AZ521 pixel density

Sensor resolution width = 4667 pixels
Sensor width = 0.616 cm

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

V1253 sensor resolution

Sensor width = 7.44 mm
Sensor height = 5.58 mm
Effective megapixels = 12.00

r = 7.44/5.58 = 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

AZ521 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

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

V1253 crop factor

Sensor diagonal in mm = 9.30 mm

Crop factor =	43.27	= 4.65
	9.30

AZ521 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).

V1253 equivalent aperture

Crop factor = 4.65
Aperture = f3.4 - f5.3

35-mm equivalent aperture = (f3.4 - f5.3) × 4.65 = f15.8 - f24.6

AZ521 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

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