AgfaPhoto DC-8330i vs. Yakumo CamMaster SD 482

Comparison

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DC-8330i image
vs
CamMaster SD 482 image
AgfaPhoto DC-8330i Yakumo CamMaster SD 482
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Megapixels
8.00
4.00
Max. image resolution
3264 x 2448
3264 x 2448

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.5" (~ 5.75 x 4.32 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
3262 x 2453
2306 x 1734
Diagonal
7.19 mm
7.19 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 »
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1 : 1
(ratio)
AgfaPhoto DC-8330i Yakumo CamMaster SD 482
Surface area:
24.84 mm² vs 24.84 mm²
Difference: 0 mm² (0%)
DC-8330i and CamMaster SD 482 sensors are the same size.
Note: You are comparing cameras of different generations. There is a 2 year gap between AgfaPhoto DC-8330i (2007) and Yakumo CamMaster SD 482 (2005). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.76 µm
2.49 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: 0.73 µm (41%)
Pixel pitch of CamMaster SD 482 is approx. 41% higher than pixel pitch of DC-8330i.
Pixel area
3.1 µm²
6.2 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: 3.1 µm² (100%)
A pixel on Yakumo CamMaster SD 482 sensor is approx. 100% bigger than a pixel on AgfaPhoto DC-8330i.
Pixel density
32.18 MP/cm²
16.08 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: 16.1 µm (100%)
AgfaPhoto DC-8330i has approx. 100% higher pixel density than Yakumo CamMaster SD 482.
To learn about the accuracy of these numbers, click here.



Specs

AgfaPhoto DC-8330i
Yakumo CamMaster SD 482
Crop factor
6.02
6.02
Total megapixels
Effective megapixels
Optical zoom
Yes
No
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200, 400, 800, 1600
100
RAW
Manual focus
Normal focus range
15 cm
10 cm
Macro focus range
Focal length (35mm equiv.)
37 - 112 mm
36 mm
Aperture priority
No
No
Max. aperture
f2.8 - f5.2
f3
Max. aperture (35mm equiv.)
f16.9 - f31.3
f18.1
Metering
Centre weighted, Multi-segment, Spot
Centre weighted
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
1/2 sec
Max. shutter speed
1/2000 sec
1/1500 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
5
Screen size
3"
2"
Screen resolution
230,400 dots
307,200 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
MultiMedia, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
2x AA
Li-Ion
Weight
150 g
130 g
Dimensions
97.5 x 62.5 x 25 mm
35 x 100 x 59 mm
Year
2007
2005




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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

AgfaPhoto DC-8330i diagonal

The diagonal of DC-8330i 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
Diagonal =  5.75² + 4.32²   = 7.19 mm

Yakumo CamMaster SD 482 diagonal

The diagonal of CamMaster SD 482 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
Diagonal =  5.75² + 4.32²   = 7.19 mm


Surface area

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

DC-8330i sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

CamMaster SD 482 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

DC-8330i pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 3262 pixels
Pixel pitch =   5.75  × 1000  = 1.76 µm
3262

CamMaster SD 482 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2306 pixels
Pixel pitch =   5.75  × 1000  = 2.49 µm
2306


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

DC-8330i pixel area

Pixel pitch = 1.76 µm

Pixel area = 1.76² = 3.1 µm²

CamMaster SD 482 pixel area

Pixel pitch = 2.49 µm

Pixel area = 2.49² = 6.2 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

DC-8330i pixel density

Sensor resolution width = 3262 pixels
Sensor width = 0.575 cm

Pixel density = (3262 / 0.575)² / 1000000 = 32.18 MP/cm²

CamMaster SD 482 pixel density

Sensor resolution width = 2306 pixels
Sensor width = 0.575 cm

Pixel density = (2306 / 0.575)² / 1000000 = 16.08 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

DC-8330i sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 8.00
r = 5.75/4.32 = 1.33
X =  8.00 × 1000000  = 2453
1.33
Resolution horizontal: X × r = 2453 × 1.33 = 3262
Resolution vertical: X = 2453

Sensor resolution = 3262 x 2453

CamMaster SD 482 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 4.00
r = 5.75/4.32 = 1.33
X =  4.00 × 1000000  = 1734
1.33
Resolution horizontal: X × r = 1734 × 1.33 = 2306
Resolution vertical: X = 1734

Sensor resolution = 2306 x 1734


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


DC-8330i crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

CamMaster SD 482 crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

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).

DC-8330i 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

CamMaster SD 482 equivalent aperture

Crop factor = 6.02
Aperture = f3

35-mm equivalent aperture = (f3) × 6.02 = f18.1

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