Panasonic Lumix DMC-FZ2 vs. Panasonic Lumix DMC-FZ28
Comparison
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Megapixels
2.00
10.10
Max. image resolution
1600 x 1200
3648 x 2736
Sensor
Sensor type
CCD
CCD
Sensor size
1/3.2" (~ 4.5 x 3.37 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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| Panasonic Lumix DMC-FZ2 | Panasonic Lumix DMC-FZ28 | |
Surface area:
| 15.17 mm² | vs | 27.72 mm² |
Difference: 12.55 mm² (83%)
FZ28 sensor is approx. 1.83x bigger than FZ2 sensor.
Note: You are comparing cameras of different generations.
There is a 5 year gap between Panasonic FZ2 (2003) and Panasonic FZ28 (2008).
All things being equal, newer sensor generations generally outperform the older.
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: 4.8 µm² (174%)
A pixel on Panasonic FZ2 sensor is approx. 174% bigger than a pixel on Panasonic FZ28.
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
Panasonic FZ2
Panasonic FZ28
Total megapixels
2.10
10.70
Effective megapixels
2.00
10.10
Optical zoom
12x
18x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200, 400
Auto, 100, 200, 400, 800, 1600 - 6400
RAW
Manual focus
Normal focus range
30 cm
30 cm
Macro focus range
3 cm
1 cm
Focal length (35mm equiv.)
35 - 420 mm
27 - 486 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f2.8
f2.8 - f4.4
Metering
Multi-segment, Spot
Centre weighted, Intelligent Multiple, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
8 sec
60 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Electronic
Electronic
White balance presets
5
8
Screen size
1.5"
2.7"
Screen resolution
114,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
MultiMedia, SDHC, Secure Digital
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable
Lithium-Ion rechargeble
Weight
318 g
370 g
Dimensions
125 x 70 x 83 mm
117.6 x 75.3 x 88.9 mm
Year
2003
2008
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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 |
Panasonic FZ2 diagonal
The diagonal of FZ2 sensor is not 1/3.2 or 0.31" (7.9 mm) as you might expect, but approximately two thirds of
that value - 5.62 mm. If you want to know why, see
sensor sizes.
w = 4.50 mm
h = 3.37 mm
w = 4.50 mm
h = 3.37 mm
| Diagonal = √ | 4.50² + 3.37² | = 5.62 mm |
Panasonic FZ28 diagonal
The diagonal of FZ28 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.
FZ2 sensor area
Width = 4.50 mm
Height = 3.37 mm
Surface area = 4.50 × 3.37 = 15.17 mm²
Height = 3.37 mm
Surface area = 4.50 × 3.37 = 15.17 mm²
FZ28 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 |
FZ2 pixel pitch
Sensor width = 4.50 mm
Sensor resolution width = 1637 pixels
Sensor resolution width = 1637 pixels
| Pixel pitch = | 4.50 | × 1000 | = 2.75 µm |
| 1637 |
FZ28 pixel pitch
Sensor width = 6.08 mm
Sensor resolution width = 3665 pixels
Sensor resolution width = 3665 pixels
| Pixel pitch = | 6.08 | × 1000 | = 1.66 µm |
| 3665 |
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 |
FZ2 pixel area
Pixel pitch = 2.75 µm
Pixel area = 2.75² = 7.56 µm²
Pixel area = 2.75² = 7.56 µm²
FZ28 pixel area
Pixel pitch = 1.66 µm
Pixel area = 1.66² = 2.76 µm²
Pixel area = 1.66² = 2.76 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 |
FZ2 pixel density
Sensor resolution width = 1637 pixels
Sensor width = 0.45 cm
Pixel density = (1637 / 0.45)² / 1000000 = 13.23 MP/cm²
Sensor width = 0.45 cm
Pixel density = (1637 / 0.45)² / 1000000 = 13.23 MP/cm²
FZ28 pixel density
Sensor resolution width = 3665 pixels
Sensor width = 0.608 cm
Pixel density = (3665 / 0.608)² / 1000000 = 36.34 MP/cm²
Sensor width = 0.608 cm
Pixel density = (3665 / 0.608)² / 1000000 = 36.34 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
FZ2 sensor resolution
Sensor width = 4.50 mm
Sensor height = 3.37 mm
Effective megapixels = 2.00
Resolution horizontal: X × r = 1222 × 1.34 = 1637
Resolution vertical: X = 1222
Sensor resolution = 1637 x 1222
Sensor height = 3.37 mm
Effective megapixels = 2.00
| r = 4.50/3.37 = 1.34 |
|
Resolution vertical: X = 1222
Sensor resolution = 1637 x 1222
FZ28 sensor resolution
Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 10.10
Resolution horizontal: X × r = 2756 × 1.33 = 3665
Resolution vertical: X = 2756
Sensor resolution = 3665 x 2756
Sensor height = 4.56 mm
Effective megapixels = 10.10
| r = 6.08/4.56 = 1.33 |
|
Resolution vertical: X = 2756
Sensor resolution = 3665 x 2756
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 |
FZ2 crop factor
Sensor diagonal in mm = 5.62 mm
| Crop factor = | 43.27 | = 7.7 |
| 5.62 |
FZ28 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).
FZ2 equivalent aperture
Crop factor = 7.7
Aperture = f2.8 - f2.8
35-mm equivalent aperture = (f2.8 - f2.8) × 7.7 = f21.6 - f21.6
Aperture = f2.8 - f2.8
35-mm equivalent aperture = (f2.8 - f2.8) × 7.7 = f21.6 - f21.6
FZ28 equivalent aperture
Crop factor = 5.69
Aperture = f2.8 - f4.4
35-mm equivalent aperture = (f2.8 - f4.4) × 5.69 = f15.9 - f25
Aperture = f2.8 - f4.4
35-mm equivalent aperture = (f2.8 - f4.4) × 5.69 = f15.9 - f25
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