Minolta DiMAGE S414 vs. Kodak EasyShare Z650

Comparison

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Minolta DiMAGE S414

Kodak EasyShare Z650

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Megapixels

4.10

6.10

Max. image resolution

2272 x 1704

2832 x 2128

Sensor

Sensor type

CCD

Sensor size

1/1.8" (~ 7.11 x 5.33 mm)

1/2.5" (~ 5.75 x 4.32 mm)

Sensor resolution

2335 x 1756

2849 x 2142

Diagonal

8.89 mm

7.19 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
1.53	:	1
(ratio)

Minolta DiMAGE S414		Kodak EasyShare Z650

Surface area:

37.90 mm²

24.84 mm²

Difference: 13.06 mm² (53%)

DiMAGE S414 sensor is approx. 1.53x bigger than Z650 sensor.

Note: You are comparing cameras of different generations. There is a 3 year gap between Minolta DiMAGE S414 (2003) and Kodak Z650 (2006). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

3.04 µm

2.02 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: 1.02 µm (50%)

Pixel pitch of DiMAGE S414 is approx. 50% higher than pixel pitch of Z650.

Pixel area

9.24 µm²

4.08 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: 5.16 µm² (126%)

A pixel on Minolta DiMAGE S414 sensor is approx. 126% bigger than a pixel on Kodak Z650.

Pixel density

10.79 MP/cm²

24.55 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: 13.76 µm (128%)

Kodak Z650 has approx. 128% higher pixel density than Minolta DiMAGE S414.

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

Specs

Minolta DiMAGE S414

Kodak Z650

Crop factor

4.87

6.02

Total megapixels

6.30

Effective megapixels

6.10

Optical zoom

10x

Digital zoom

Yes

ISO sensitivity

64, 100, 200, 400

Auto, 80, 100, 200, 400, 800

RAW

Manual focus

Normal focus range

50 cm

60 cm

Macro focus range

16 cm

12 cm

Focal length (35mm equiv.)

35 - 140 mm

38 - 380 mm

Aperture priority

Yes

Max. aperture

f3 - f3.6

f2.8 - f3.7

Max. aperture (35mm equiv.)

f14.6 - f17.5

f16.9 - f22.3

Metering

Matrix, Spot

Centre weighted, Multi-pattern, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

4 sec

8 sec

Max. shutter speed

1/1000 sec

1/1700 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

Electronic

White balance presets

Screen size

1.8"

Screen resolution

122,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

CompactFlash type I

MultiMedia, Secure Digital

USB

USB 1.0

HDMI

Wireless

GPS

Battery

AA (4) batteries (NiMH recommended)

AA (2) batteries (NiMH recommended)

Weight

425 g

287 g

Dimensions

114 x 65 x 59 mm

98 x 78 x 73 mm

Year

2003

2006

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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

Minolta DiMAGE S414 diagonal

The diagonal of DiMAGE S414 sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm

Diagonal = √

7.11² + 5.33²

= 8.89 mm

Kodak Z650 diagonal

The diagonal of Z650 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm

Diagonal = √

5.75² + 4.32²

= 7.19 mm

Surface area

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

DiMAGE S414 sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

Z650 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

DiMAGE S414 pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2335 pixels

Pixel pitch =	7.11	× 1000	= 3.04 µm
	2335

Z650 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2849 pixels

Pixel pitch =	5.75	× 1000	= 2.02 µm
	2849

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

DiMAGE S414 pixel area

Pixel pitch = 3.04 µm

Pixel area = 3.04² = 9.24 µm²

Z650 pixel area

Pixel pitch = 2.02 µm

Pixel area = 2.02² = 4.08 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

DiMAGE S414 pixel density

Sensor resolution width = 2335 pixels
Sensor width = 0.711 cm

Pixel density = (2335 / 0.711)² / 1000000 = 10.79 MP/cm²

Z650 pixel density

Sensor resolution width = 2849 pixels
Sensor width = 0.575 cm

Pixel density = (2849 / 0.575)² / 1000000 = 24.55 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

DiMAGE S414 sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 4.10

r = 7.11/5.33 = 1.33

X = √	4.10 × 1000000	= 1756
	1.33

Resolution horizontal: X × r = 1756 × 1.33 = 2335
Resolution vertical: X = 1756

Sensor resolution = 2335 x 1756

Z650 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 6.10

r = 5.75/4.32 = 1.33

X = √	6.10 × 1000000	= 2142
	1.33

Resolution horizontal: X × r = 2142 × 1.33 = 2849
Resolution vertical: X = 2142

Sensor resolution = 2849 x 2142

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

DiMAGE S414 crop factor

Sensor diagonal in mm = 8.89 mm

Crop factor =	43.27	= 4.87
	8.89

Z650 crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

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).

DiMAGE S414 equivalent aperture

Crop factor = 4.87
Aperture = f3 - f3.6

35-mm equivalent aperture = (f3 - f3.6) × 4.87 = f14.6 - f17.5

Z650 equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f3.7

35-mm equivalent aperture = (f2.8 - f3.7) × 6.02 = f16.9 - f22.3

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