Kodak EasyShare C195 vs. Kodak EasyShare Z1285

Comparison

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Kodak EasyShare C195

Kodak EasyShare Z1285

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Megapixels

14.50

12.10

Max. image resolution

4288 x 3216

4000 x 3000

Sensor

Sensor type

CCD

Sensor size

1/2.3" (~ 6.16 x 4.62 mm)

1/1.72" (~ 7.44 x 5.58 mm)

Sensor resolution

4392 x 3302

4011 x 3016

Diagonal

7.70 mm

9.30 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	:	1.46
(ratio)

Kodak EasyShare C195		Kodak EasyShare Z1285

Surface area:

28.46 mm²

41.52 mm²

Difference: 13.06 mm² (46%)

Z1285 sensor is approx. 1.46x bigger than C195 sensor.

Note: You are comparing cameras of different generations. There is a 2 year gap between Kodak C195 (2010) and Kodak Z1285 (2008). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

1.4 µm

1.85 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: 0.45 µm (32%)

Pixel pitch of Z1285 is approx. 32% higher than pixel pitch of C195.

Pixel area

1.96 µm²

3.42 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: 1.46 µm² (74%)

A pixel on Kodak Z1285 sensor is approx. 74% bigger than a pixel on Kodak C195.

Pixel density

50.84 MP/cm²

29.06 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: 21.78 µm (75%)

Kodak C195 has approx. 75% higher pixel density than Kodak Z1285.

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

Specs

Kodak C195

Kodak Z1285

Crop factor

5.62

4.65

Total megapixels

12.40

Effective megapixels

12.10

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

Auto, 64, 100, 200, 400, 800, 1000

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

RAW

Manual focus

Normal focus range

50 cm

60 cm

Macro focus range

10 cm

20 cm

Focal length (35mm equiv.)

33 - 165 mm

35 - 175 mm

Aperture priority

Max. aperture

f2.8 - f5.1

Max. aperture (35mm equiv.)

n/a

f13 - f23.7

Metering

Centre weighted, Multi-segment

Centre weighted, Multi-pattern, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

1/4 sec

8 sec

Max. shutter speed

1/1400 sec

1/1000 sec

Built-in flash

External flash

Viewfinder

None

White balance presets

Screen size

2.5"

Screen resolution

230,000 dots

115,000 dots

Video capture

Max. video resolution

Storage types

SDHC, Secure Digital

USB

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

2x AA

AA (2) batteries (NiMH recommended)

Weight

177 g

161 g

Dimensions

96.3 x 61.7 x 30.1 mm

89.5 x 64.5 x 31.6 mm

Year

2010

2008

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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 C195 diagonal

The diagonal of C195 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 Z1285 diagonal

The diagonal of Z1285 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

Surface area

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

C195 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Z1285 sensor area

Width = 7.44 mm
Height = 5.58 mm

Surface area = 7.44 × 5.58 = 41.52 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

C195 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4392 pixels

Pixel pitch =	6.16	× 1000	= 1.4 µm
	4392

Z1285 pixel pitch

Sensor width = 7.44 mm
Sensor resolution width = 4011 pixels

Pixel pitch =	7.44	× 1000	= 1.85 µm
	4011

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

C195 pixel area

Pixel pitch = 1.4 µm

Pixel area = 1.4² = 1.96 µm²

Z1285 pixel area

Pixel pitch = 1.85 µm

Pixel area = 1.85² = 3.42 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

C195 pixel density

Sensor resolution width = 4392 pixels
Sensor width = 0.616 cm

Pixel density = (4392 / 0.616)² / 1000000 = 50.84 MP/cm²

Z1285 pixel density

Sensor resolution width = 4011 pixels
Sensor width = 0.744 cm

Pixel density = (4011 / 0.744)² / 1000000 = 29.06 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

C195 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.50

r = 6.16/4.62 = 1.33

X = √	14.50 × 1000000	= 3302
	1.33

Resolution horizontal: X × r = 3302 × 1.33 = 4392
Resolution vertical: X = 3302

Sensor resolution = 4392 x 3302

Z1285 sensor resolution

Sensor width = 7.44 mm
Sensor height = 5.58 mm
Effective megapixels = 12.10

r = 7.44/5.58 = 1.33

X = √	12.10 × 1000000	= 3016
	1.33

Resolution horizontal: X × r = 3016 × 1.33 = 4011
Resolution vertical: X = 3016

Sensor resolution = 4011 x 3016

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

C195 crop factor

Sensor diagonal in mm = 7.70 mm

Crop factor =	43.27	= 5.62
	7.70

Z1285 crop factor

Sensor diagonal in mm = 9.30 mm

Crop factor =	43.27	= 4.65
	9.30

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).

C195 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 C195, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Kodak C195 is 5.62

Z1285 equivalent aperture

Crop factor = 4.65
Aperture = f2.8 - f5.1

35-mm equivalent aperture = (f2.8 - f5.1) × 4.65 = f13 - f23.7

More comparisons of Kodak C195:

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