Kodak EasyShare Z1485 IS vs. Kodak EasyShare V1273

Comparison

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EasyShare Z1485 IS image
vs
EasyShare V1273 image
Kodak EasyShare Z1485 IS Kodak EasyShare V1273
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Megapixels
14.00
12.00
Max. image resolution
4352 x 3264
4000 x 3000

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.72" (~ 7.44 x 5.58 mm)
1/1.72" (~ 7.44 x 5.58 mm)
Sensor resolution
4315 x 3244
3995 x 3004
Diagonal
9.30 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
(ratio)
Kodak EasyShare Z1485 IS Kodak EasyShare V1273
Surface area:
41.52 mm² vs 41.52 mm²
Difference: 0 mm² (0%)
Z1485 IS and V1273 sensors are the same size.
Pixel pitch
1.72 µm
1.86 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: 0.14 µm (8%)
Pixel pitch of V1273 is approx. 8% higher than pixel pitch of Z1485 IS.
Pixel area
2.96 µm²
3.46 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: 0.5 µm² (17%)
A pixel on Kodak V1273 sensor is approx. 17% bigger than a pixel on Kodak Z1485 IS.
Pixel density
33.64 MP/cm²
28.83 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: 4.81 µm (17%)
Kodak Z1485 IS has approx. 17% higher pixel density than Kodak V1273.
To learn about the accuracy of these numbers, click here.



Specs

Kodak Z1485 IS
Kodak V1273
Crop factor
4.65
4.65
Total megapixels
12.40
Effective megapixels
14.00
12.00
Optical zoom
5x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400
Auto
RAW
Manual focus
Normal focus range
20 cm
60 cm
Macro focus range
20 cm
13 cm
Focal length (35mm equiv.)
35 - 175 mm
37 - 111 mm
Aperture priority
No
No
Max. aperture
f2.8 - f5.1
f3.1 - f5.7
Max. aperture (35mm equiv.)
f13 - f23.7
f14.4 - f26.5
Metering
Centre weighted, Multi-pattern, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
8 sec
8 sec
Max. shutter speed
1/2000 sec
1/1164 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
4
Screen size
2.5"
3"
Screen resolution
230,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
SDHC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA (2) batteries (NiMH Rechargeable batteries)
Kodak KLIC-7004 Lithium-Ion,
Weight
164 g
188 g
Dimensions
89.5 x 64.3 x 39.0 mm
93 x 58 x 21 mm
Year
2009
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 Z1485 IS diagonal

The diagonal of Z1485 IS 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 V1273 diagonal

The diagonal of V1273 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.

Z1485 IS sensor area

Width = 7.44 mm
Height = 5.58 mm

Surface area = 7.44 × 5.58 = 41.52 mm²

V1273 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

Z1485 IS pixel pitch

Sensor width = 7.44 mm
Sensor resolution width = 4315 pixels
Pixel pitch =   7.44  × 1000  = 1.72 µm
4315

V1273 pixel pitch

Sensor width = 7.44 mm
Sensor resolution width = 3995 pixels
Pixel pitch =   7.44  × 1000  = 1.86 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

Z1485 IS pixel area

Pixel pitch = 1.72 µm

Pixel area = 1.72² = 2.96 µm²

V1273 pixel area

Pixel pitch = 1.86 µm

Pixel area = 1.86² = 3.46 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

Z1485 IS pixel density

Sensor resolution width = 4315 pixels
Sensor width = 0.744 cm

Pixel density = (4315 / 0.744)² / 1000000 = 33.64 MP/cm²

V1273 pixel density

Sensor resolution width = 3995 pixels
Sensor width = 0.744 cm

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

Z1485 IS sensor resolution

Sensor width = 7.44 mm
Sensor height = 5.58 mm
Effective megapixels = 14.00
r = 7.44/5.58 = 1.33
X =  14.00 × 1000000  = 3244
1.33
Resolution horizontal: X × r = 3244 × 1.33 = 4315
Resolution vertical: X = 3244

Sensor resolution = 4315 x 3244

V1273 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


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


Z1485 IS crop factor

Sensor diagonal in mm = 9.30 mm
Crop factor =   43.27  = 4.65
9.30

V1273 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).

Z1485 IS equivalent aperture

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

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

V1273 equivalent aperture

Crop factor = 4.65
Aperture = f3.1 - f5.7

35-mm equivalent aperture = (f3.1 - f5.7) × 4.65 = f14.4 - f26.5

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