Kodak EasyShare C1550 vs. Kodak EasyShare Z5120
Comparison
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| Kodak EasyShare C1550 | Kodak EasyShare Z5120 | ||||
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Megapixels
16.60
16.00
Max. image resolution
4608 x 3440
4608 x 2456
Sensor
Sensor type
CCD
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.33" (~ 6.08 x 4.56 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 »
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 »
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| Kodak EasyShare C1550 | Kodak EasyShare Z5120 | |
Surface area:
| 28.46 mm² | vs | 27.72 mm² |
Difference: 0.74 mm² (3%)
C1550 sensor is slightly bigger than Z5120 sensor (only 3% difference).
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.
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.
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.
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: 0.02 µm² (1%)
A pixel on Kodak Z5120 sensor is approx. 1% bigger than a pixel on Kodak C1550.
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.
Higher pixel density means smaller pixels and lower pixel density means larger pixels.
To learn about the accuracy of these numbers,
click here.
Specs
Kodak C1550
Kodak Z5120
Total megapixels
16.40
Effective megapixels
16.00
Optical zoom
Yes
26x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1250
Auto, 125, 200, 400, 800, 1600, 3200 and 6400
RAW
Manual focus
Normal focus range
30 cm
70 cm
Macro focus range
5 cm
1 cm
Focal length (35mm equiv.)
27 - 135 mm
26 - 676 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f5.6
Metering
Centre weighted
Centre weighted, Multi-segment, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
1/4 sec
16 sec
Max. shutter speed
1/1400 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
Electronic
White balance presets
6
Screen size
3"
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
2x AA
AA (4) batteries (NiMH Rechargeable batteries)
Weight
130 g
445 g
Dimensions
93.9 x 60.7 x 30.5 mm
124 x 91 x 105 mm
Year
2011
2012
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Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
| Diagonal = √ | w² + h² |
Kodak C1550 diagonal
The diagonal of C1550 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
w = 6.16 mm
h = 4.62 mm
| Diagonal = √ | 6.16² + 4.62² | = 7.70 mm |
Kodak Z5120 diagonal
The diagonal of Z5120 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of
that value - 7.6 mm. If you want to know why, see
sensor sizes.
w = 6.08 mm
h = 4.56 mm
w = 6.08 mm
h = 4.56 mm
| Diagonal = √ | 6.08² + 4.56² | = 7.60 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
C1550 sensor area
Width = 6.16 mm
Height = 4.62 mm
Surface area = 6.16 × 4.62 = 28.46 mm²
Height = 4.62 mm
Surface area = 6.16 × 4.62 = 28.46 mm²
Z5120 sensor area
Width = 6.08 mm
Height = 4.56 mm
Surface area = 6.08 × 4.56 = 27.72 mm²
Height = 4.56 mm
Surface area = 6.08 × 4.56 = 27.72 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 |
C1550 pixel pitch
Sensor width = 6.16 mm
Sensor resolution width = 4699 pixels
Sensor resolution width = 4699 pixels
| Pixel pitch = | 6.16 | × 1000 | = 1.31 µm |
| 4699 |
Z5120 pixel pitch
Sensor width = 6.08 mm
Sensor resolution width = 4612 pixels
Sensor resolution width = 4612 pixels
| Pixel pitch = | 6.08 | × 1000 | = 1.32 µm |
| 4612 |
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
| Pixel area = | sensor surface area in mm² |
| effective megapixels |
C1550 pixel area
Pixel pitch = 1.31 µm
Pixel area = 1.31² = 1.72 µm²
Pixel area = 1.31² = 1.72 µm²
Z5120 pixel area
Pixel pitch = 1.32 µm
Pixel area = 1.32² = 1.74 µm²
Pixel area = 1.32² = 1.74 µm²
Pixel density
Pixel density can be calculated with the following formula:
One could also use this 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 |
C1550 pixel density
Sensor resolution width = 4699 pixels
Sensor width = 0.616 cm
Pixel density = (4699 / 0.616)² / 1000000 = 58.19 MP/cm²
Sensor width = 0.616 cm
Pixel density = (4699 / 0.616)² / 1000000 = 58.19 MP/cm²
Z5120 pixel density
Sensor resolution width = 4612 pixels
Sensor width = 0.608 cm
Pixel density = (4612 / 0.608)² / 1000000 = 57.54 MP/cm²
Sensor width = 0.608 cm
Pixel density = (4612 / 0.608)² / 1000000 = 57.54 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → |
|
Resolution horizontal: X × r
Resolution vertical: X
C1550 sensor resolution
Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.60
Resolution horizontal: X × r = 3533 × 1.33 = 4699
Resolution vertical: X = 3533
Sensor resolution = 4699 x 3533
Sensor height = 4.62 mm
Effective megapixels = 16.60
| r = 6.16/4.62 = 1.33 |
|
Resolution vertical: X = 3533
Sensor resolution = 4699 x 3533
Z5120 sensor resolution
Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 16.00
Resolution horizontal: X × r = 3468 × 1.33 = 4612
Resolution vertical: X = 3468
Sensor resolution = 4612 x 3468
Sensor height = 4.56 mm
Effective megapixels = 16.00
| r = 6.08/4.56 = 1.33 |
|
Resolution vertical: X = 3468
Sensor resolution = 4612 x 3468
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 |
C1550 crop factor
Sensor diagonal in mm = 7.70 mm
| Crop factor = | 43.27 | = 5.62 |
| 7.70 |
Z5120 crop factor
Sensor diagonal in mm = 7.60 mm
| Crop factor = | 43.27 | = 5.69 |
| 7.60 |
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).
C1550 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 C1550, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Kodak C1550 is 5.62
Crop factor for Kodak C1550 is 5.62
Z5120 equivalent aperture
Crop factor = 5.69
Aperture = f2.8 - f5.6
35-mm equivalent aperture = (f2.8 - f5.6) × 5.69 = f15.9 - f31.9
Aperture = f2.8 - f5.6
35-mm equivalent aperture = (f2.8 - f5.6) × 5.69 = f15.9 - f31.9
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