AgfaPhoto Optima 8328m vs. Kodak DC290
Comparison
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| AgfaPhoto Optima 8328m | Kodak DC290 | ||||
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Megapixels
8.00
2.20
Max. image resolution
3264 x 2448
2240 x 1500
Sensor
Sensor type
CCD
CCD
Sensor size
1/2.5" (~ 5.75 x 4.32 mm)
1/1.76" (~ 7.27 x 5.46 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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| AgfaPhoto Optima 8328m | Kodak DC290 | |
Surface area:
| 24.84 mm² | vs | 39.69 mm² |
Difference: 14.85 mm² (60%)
DC290 sensor is approx. 1.6x bigger than Optima 8328m sensor.
Note: You are comparing sensors of very different generations.
There is a gap of 10 years between AgfaPhoto Optima 8328m (2009) and Kodak DC290 (1999).
Ten years is a lot of time in terms
of technology, meaning newer sensors are overall much more
efficient than the older ones.
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: 14.96 µm² (483%)
A pixel on Kodak DC290 sensor is approx. 483% bigger than a pixel on AgfaPhoto Optima 8328m.
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
AgfaPhoto Optima 8328m
Kodak DC290
Total megapixels
2.30
Effective megapixels
2.20
Optical zoom
Yes
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200, 400, 800, 1600, 3200
100
RAW
Manual focus
Normal focus range
80 cm
30 cm
Macro focus range
15 cm
20 cm
Focal length (35mm equiv.)
37 - 112 mm
38 - 115 mm
Aperture priority
No
No
Max. aperture
f2.8 - f5.2
f3 - f4.7
Metering
Centre weighted, Multi-segment, Spot
Centre weighted, Multi-segment
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/2 EV steps)
Shutter priority
No
No
Min. shutter speed
8 sec
16 sec
Max. shutter speed
1/2000 sec
1/400 sec
Built-in flash
External flash
Viewfinder
None
Optical (tunnel)
White balance presets
6
4
Screen size
2.7"
2"
Screen resolution
230,400 dots
72,000 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
CompactFlash type I
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Li-Ion
AA NiMH (4) batteries included
Weight
120 g
550 g
Dimensions
91.3 x 23 x 56.5 mm
118 x 57 x 106 mm
Year
2009
1999
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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 |
AgfaPhoto Optima 8328m diagonal
The diagonal of Optima 8328m 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
w = 5.75 mm
h = 4.32 mm
| Diagonal = √ | 5.75² + 4.32² | = 7.19 mm |
Kodak DC290 diagonal
The diagonal of DC290 sensor is not 1/1.76 or 0.57" (14.4 mm) as you might expect, but approximately two thirds of
that value - 9.09 mm. If you want to know why, see
sensor sizes.
w = 7.27 mm
h = 5.46 mm
w = 7.27 mm
h = 5.46 mm
| Diagonal = √ | 7.27² + 5.46² | = 9.09 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
Optima 8328m sensor area
Width = 5.75 mm
Height = 4.32 mm
Surface area = 5.75 × 4.32 = 24.84 mm²
Height = 4.32 mm
Surface area = 5.75 × 4.32 = 24.84 mm²
DC290 sensor area
Width = 7.27 mm
Height = 5.46 mm
Surface area = 7.27 × 5.46 = 39.69 mm²
Height = 5.46 mm
Surface area = 7.27 × 5.46 = 39.69 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 |
Optima 8328m pixel pitch
Sensor width = 5.75 mm
Sensor resolution width = 3262 pixels
Sensor resolution width = 3262 pixels
| Pixel pitch = | 5.75 | × 1000 | = 1.76 µm |
| 3262 |
DC290 pixel pitch
Sensor width = 7.27 mm
Sensor resolution width = 1710 pixels
Sensor resolution width = 1710 pixels
| Pixel pitch = | 7.27 | × 1000 | = 4.25 µm |
| 1710 |
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 |
Optima 8328m pixel area
Pixel pitch = 1.76 µm
Pixel area = 1.76² = 3.1 µm²
Pixel area = 1.76² = 3.1 µm²
DC290 pixel area
Pixel pitch = 4.25 µm
Pixel area = 4.25² = 18.06 µm²
Pixel area = 4.25² = 18.06 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 |
Optima 8328m pixel density
Sensor resolution width = 3262 pixels
Sensor width = 0.575 cm
Pixel density = (3262 / 0.575)² / 1000000 = 32.18 MP/cm²
Sensor width = 0.575 cm
Pixel density = (3262 / 0.575)² / 1000000 = 32.18 MP/cm²
DC290 pixel density
Sensor resolution width = 1710 pixels
Sensor width = 0.727 cm
Pixel density = (1710 / 0.727)² / 1000000 = 5.53 MP/cm²
Sensor width = 0.727 cm
Pixel density = (1710 / 0.727)² / 1000000 = 5.53 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
Optima 8328m sensor resolution
Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 8.00
Resolution horizontal: X × r = 2453 × 1.33 = 3262
Resolution vertical: X = 2453
Sensor resolution = 3262 x 2453
Sensor height = 4.32 mm
Effective megapixels = 8.00
| r = 5.75/4.32 = 1.33 |
|
Resolution vertical: X = 2453
Sensor resolution = 3262 x 2453
DC290 sensor resolution
Sensor width = 7.27 mm
Sensor height = 5.46 mm
Effective megapixels = 2.20
Resolution horizontal: X × r = 1286 × 1.33 = 1710
Resolution vertical: X = 1286
Sensor resolution = 1710 x 1286
Sensor height = 5.46 mm
Effective megapixels = 2.20
| r = 7.27/5.46 = 1.33 |
|
Resolution vertical: X = 1286
Sensor resolution = 1710 x 1286
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 |
Optima 8328m crop factor
Sensor diagonal in mm = 7.19 mm
| Crop factor = | 43.27 | = 6.02 |
| 7.19 |
DC290 crop factor
Sensor diagonal in mm = 9.09 mm
| Crop factor = | 43.27 | = 4.76 |
| 9.09 |
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).
Optima 8328m equivalent aperture
Crop factor = 6.02
Aperture = f2.8 - f5.2
35-mm equivalent aperture = (f2.8 - f5.2) × 6.02 = f16.9 - f31.3
Aperture = f2.8 - f5.2
35-mm equivalent aperture = (f2.8 - f5.2) × 6.02 = f16.9 - f31.3
DC290 equivalent aperture
Crop factor = 4.76
Aperture = f3 - f4.7
35-mm equivalent aperture = (f3 - f4.7) × 4.76 = f14.3 - f22.4
Aperture = f3 - f4.7
35-mm equivalent aperture = (f3 - f4.7) × 4.76 = f14.3 - f22.4
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