Yakumo CamMaster SD 432 vs. Toshiba PDR 3320

Comparison

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CamMaster SD 432 image
vs
PDR 3320 image
Yakumo CamMaster SD 432 Toshiba PDR 3320
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Megapixels
3.20
3.34
Max. image resolution
2048 x 1536
2048 x 1536

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.7" (~ 5.33 x 4 mm)
1/1.8" (~ 7.11 x 5.33 mm)
Sensor resolution
2063 x 1551
2108 x 1585
Diagonal
6.66 mm
8.89 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 : 1.78
(ratio)
Yakumo CamMaster SD 432 Toshiba PDR 3320
Surface area:
21.32 mm² vs 37.90 mm²
Difference: 16.58 mm² (78%)
PDR 3320 sensor is approx. 1.78x bigger than CamMaster SD 432 sensor.
Note: You are comparing cameras of different generations. There is a 2 year gap between Yakumo CamMaster SD 432 (2004) and Toshiba PDR 3320 (2002). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
2.58 µm
3.37 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: 0.79 µm (31%)
Pixel pitch of PDR 3320 is approx. 31% higher than pixel pitch of CamMaster SD 432.
Pixel area
6.66 µm²
11.36 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: 4.7 µm² (71%)
A pixel on Toshiba PDR 3320 sensor is approx. 71% bigger than a pixel on Yakumo CamMaster SD 432.
Pixel density
14.98 MP/cm²
8.79 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: 6.19 µm (70%)
Yakumo CamMaster SD 432 has approx. 70% higher pixel density than Toshiba PDR 3320.
To learn about the accuracy of these numbers, click here.



Specs

Yakumo CamMaster SD 432
Toshiba PDR 3320
Crop factor
6.5
4.87
Total megapixels
Effective megapixels
Optical zoom
No
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400
100, 200, 400
RAW
Manual focus
Normal focus range
10 cm
40 cm
Macro focus range
10 cm
8 cm
Focal length (35mm equiv.)
38 - 114 mm
Aperture priority
No
No
Max. aperture
f2.8
f2.9
Max. aperture (35mm equiv.)
f18.2
f14.1
Metering
Centre weighted
Centre weighted
Exposure compensation
±2 EV (in 1/2 EV steps)
±1.5 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
2 sec
1 sec
Max. shutter speed
1/1500 sec
1/1000 sec
Built-in flash
External flash
Viewfinder
Optical
Optical and electronic
White balance presets
5
4
Screen size
1.8"
1.5"
Screen resolution
61,600 dots
61,600 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
SmartMedia
USB
USB 1.1
USB 1.1
HDMI
Wireless
GPS
Battery
4x AA
4x AA
Weight
200 g
230 g
Dimensions
121 x 71 x 45 mm
105 x 68 x 55 mm
Year
2004
2002




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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

Yakumo CamMaster SD 432 diagonal

The diagonal of CamMaster SD 432 sensor is not 1/2.7 or 0.37" (9.4 mm) as you might expect, but approximately two thirds of that value - 6.66 mm. If you want to know why, see sensor sizes.

w = 5.33 mm
h = 4.00 mm
Diagonal =  5.33² + 4.00²   = 6.66 mm

Toshiba PDR 3320 diagonal

The diagonal of PDR 3320 sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm
Diagonal =  7.11² + 5.33²   = 8.89 mm


Surface area

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

CamMaster SD 432 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

PDR 3320 sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 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

CamMaster SD 432 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 2063 pixels
Pixel pitch =   5.33  × 1000  = 2.58 µm
2063

PDR 3320 pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2108 pixels
Pixel pitch =   7.11  × 1000  = 3.37 µm
2108


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

CamMaster SD 432 pixel area

Pixel pitch = 2.58 µm

Pixel area = 2.58² = 6.66 µm²

PDR 3320 pixel area

Pixel pitch = 3.37 µm

Pixel area = 3.37² = 11.36 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

CamMaster SD 432 pixel density

Sensor resolution width = 2063 pixels
Sensor width = 0.533 cm

Pixel density = (2063 / 0.533)² / 1000000 = 14.98 MP/cm²

PDR 3320 pixel density

Sensor resolution width = 2108 pixels
Sensor width = 0.711 cm

Pixel density = (2108 / 0.711)² / 1000000 = 8.79 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

CamMaster SD 432 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 3.20
r = 5.33/4.00 = 1.33
X =  3.20 × 1000000  = 1551
1.33
Resolution horizontal: X × r = 1551 × 1.33 = 2063
Resolution vertical: X = 1551

Sensor resolution = 2063 x 1551

PDR 3320 sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.34
r = 7.11/5.33 = 1.33
X =  3.34 × 1000000  = 1585
1.33
Resolution horizontal: X × r = 1585 × 1.33 = 2108
Resolution vertical: X = 1585

Sensor resolution = 2108 x 1585


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


CamMaster SD 432 crop factor

Sensor diagonal in mm = 6.66 mm
Crop factor =   43.27  = 6.5
6.66

PDR 3320 crop factor

Sensor diagonal in mm = 8.89 mm
Crop factor =   43.27  = 4.87
8.89

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).

CamMaster SD 432 equivalent aperture

Crop factor = 6.5
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 6.5 = f18.2

PDR 3320 equivalent aperture

Crop factor = 4.87
Aperture = f2.9

35-mm equivalent aperture = (f2.9) × 4.87 = f14.1

More comparisons of Yakumo CamMaster SD 432:

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