Yakumo CamMaster SD 432 vs. Olympus mju 400 Digital Ferrari

Comparison

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CamMaster SD 432 image
vs
mju 400 Digital Ferrari image
Yakumo CamMaster SD 432 Olympus mju 400 Digital Ferrari
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Megapixels
3.20
4.00
Max. image resolution
2048 x 1536
2272 x 1704

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.7" (~ 5.33 x 4 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
2063 x 1551
2306 x 1734
Diagonal
6.66 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 »
vs
1 : 1.17
(ratio)
Yakumo CamMaster SD 432 Olympus mju 400 Digital Ferrari
Surface area:
21.32 mm² vs 24.84 mm²
Difference: 3.52 mm² (17%)
mju 400 Ferrari sensor is approx. 1.17x bigger than CamMaster SD 432 sensor.
Pixel pitch
2.58 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: 0.09 µm (4%)
Pixel pitch of CamMaster SD 432 is approx. 4% higher than pixel pitch of mju 400 Ferrari.
Pixel area
6.66 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: 0.46 µm² (7%)
A pixel on Yakumo CamMaster SD 432 sensor is approx. 7% bigger than a pixel on Olympus mju 400 Ferrari.
Pixel density
14.98 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: 1.1 µm (7%)
Olympus mju 400 Ferrari has approx. 7% higher pixel density than Yakumo CamMaster SD 432.
To learn about the accuracy of these numbers, click here.



Specs

Yakumo CamMaster SD 432
Olympus mju 400 Ferrari
Crop factor
6.5
6.02
Total megapixels
Effective megapixels
Optical zoom
No
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400
Auto, (80-320)
RAW
Manual focus
Normal focus range
10 cm
50 cm
Macro focus range
10 cm
20 cm
Focal length (35mm equiv.)
35 - 105 mm
Aperture priority
No
No
Max. aperture
f2.8
f3.1 - f5.2
Max. aperture (35mm equiv.)
f18.2
f18.7 - f31.3
Metering
Centre weighted
ESP Digital, Spot
Exposure compensation
±2 EV (in 1/2 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
2 sec
1/2 sec
Max. shutter speed
1/1500 sec
1/1000 sec
Built-in flash
External flash
Viewfinder
Optical
Optical
White balance presets
5
6
Screen size
1.8"
1.5"
Screen resolution
61,600 dots
134,000 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
xD Picture card
USB
USB 1.1
USB 1.1
HDMI
Wireless
GPS
Battery
4x AA
Li-Ion
Weight
200 g
200 g
Dimensions
121 x 71 x 45 mm
99 x 56 x 33 mm
Year
2004
2003




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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

Olympus mju 400 Ferrari diagonal

The diagonal of mju 400 Ferrari 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.

CamMaster SD 432 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

mju 400 Ferrari 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

CamMaster SD 432 pixel pitch

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

mju 400 Ferrari 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

CamMaster SD 432 pixel area

Pixel pitch = 2.58 µm

Pixel area = 2.58² = 6.66 µm²

mju 400 Ferrari 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

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

mju 400 Ferrari 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

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

mju 400 Ferrari 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


CamMaster SD 432 crop factor

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

mju 400 Ferrari 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).

CamMaster SD 432 equivalent aperture

Crop factor = 6.5
Aperture = f2.8

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

mju 400 Ferrari equivalent aperture

Crop factor = 6.02
Aperture = f3.1 - f5.2

35-mm equivalent aperture = (f3.1 - f5.2) × 6.02 = f18.7 - f31.3

More comparisons of Yakumo CamMaster SD 432:

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