Ricoh Caplio 400G Wide vs. Fujifilm FinePix S2 Pro

Comparison

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Caplio 400G Wide image
vs
FinePix S2 Pro image
Ricoh Caplio 400G Wide Fujifilm FinePix S2 Pro
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Megapixels
3.34
6.10
Max. image resolution
2048 x 1536
4256 x 2848

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.7" (~ 5.33 x 4 mm)
23 x 15.5 mm
Sensor resolution
2108 x 1585
3004 x 2030
Diagonal
6.66 mm
27.74 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 : 16.72
(ratio)
Ricoh Caplio 400G Wide Fujifilm FinePix S2 Pro
Surface area:
21.32 mm² vs 356.50 mm²
Difference: 335.18 mm² (1572%)
S2 Pro sensor is approx. 16.72x bigger than 400G Wide sensor.
Pixel pitch
2.53 µm
7.66 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: 5.13 µm (203%)
Pixel pitch of S2 Pro is approx. 203% higher than pixel pitch of 400G Wide.
Pixel area
6.4 µm²
58.68 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: 52.28 µm² (817%)
A pixel on Fujifilm S2 Pro sensor is approx. 817% bigger than a pixel on Ricoh 400G Wide.
Pixel density
15.64 MP/cm²
1.71 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: 13.93 µm (815%)
Ricoh 400G Wide has approx. 815% higher pixel density than Fujifilm S2 Pro.
To learn about the accuracy of these numbers, click here.



Specs

Ricoh 400G Wide
Fujifilm S2 Pro
Crop factor
6.5
1.56
Total megapixels
6.50
Effective megapixels
6.10
Optical zoom
Yes
Digital zoom
Yes
No
ISO sensitivity
Auto, 125, 200, 400, 800
100, 160, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
30 cm
Macro focus range
1 cm
Focal length (35mm equiv.)
28 - 85 mm
Aperture priority
No
Yes
Max. aperture
f2.6 - f4.3
Max. aperture (35mm equiv.)
f16.9 - f28
n/a
Metering
256-segment Matrix, Centre weighted, Spot
3D Matrix, Centre weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±3 EV (in 1/2 EV steps)
Shutter priority
No
Yes
Min. shutter speed
8 sec
30 sec
Max. shutter speed
1/2000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
Optical
Optical (pentaprism)
White balance presets
6
7
Screen size
1.6"
1.8"
Screen resolution
80,000 dots
117,600 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
CompactFlash type I, CompactFlash type II, Microdrive, SmartMedia
USB
USB 1.1
USB 1.0
HDMI
Wireless
GPS
Battery
2x AA, Li-Ion
AA NiMH (4) batteries included
Weight
355 g
850 g
Dimensions
135 x 69.5 x 75.1 mm
142.2 x 132 x 78.7 mm
Year
2003
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

Ricoh 400G Wide diagonal

The diagonal of 400G Wide 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

Fujifilm S2 Pro diagonal

w = 23.00 mm
h = 15.50 mm
Diagonal =  23.00² + 15.50²   = 27.74 mm


Surface area

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

400G Wide sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

S2 Pro sensor area

Width = 23.00 mm
Height = 15.50 mm

Surface area = 23.00 × 15.50 = 356.50 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

400G Wide pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 2108 pixels
Pixel pitch =   5.33  × 1000  = 2.53 µm
2108

S2 Pro pixel pitch

Sensor width = 23.00 mm
Sensor resolution width = 3004 pixels
Pixel pitch =   23.00  × 1000  = 7.66 µm
3004


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

400G Wide pixel area

Pixel pitch = 2.53 µm

Pixel area = 2.53² = 6.4 µm²

S2 Pro pixel area

Pixel pitch = 7.66 µm

Pixel area = 7.66² = 58.68 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

400G Wide pixel density

Sensor resolution width = 2108 pixels
Sensor width = 0.533 cm

Pixel density = (2108 / 0.533)² / 1000000 = 15.64 MP/cm²

S2 Pro pixel density

Sensor resolution width = 3004 pixels
Sensor width = 2.3 cm

Pixel density = (3004 / 2.3)² / 1000000 = 1.71 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

400G Wide sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 3.34
r = 5.33/4.00 = 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

S2 Pro sensor resolution

Sensor width = 23.00 mm
Sensor height = 15.50 mm
Effective megapixels = 6.10
r = 23.00/15.50 = 1.48
X =  6.10 × 1000000  = 2030
1.48
Resolution horizontal: X × r = 2030 × 1.48 = 3004
Resolution vertical: X = 2030

Sensor resolution = 3004 x 2030


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


400G Wide crop factor

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

S2 Pro crop factor

Sensor diagonal in mm = 27.74 mm
Crop factor =   43.27  = 1.56
27.74

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).

400G Wide equivalent aperture

Crop factor = 6.5
Aperture = f2.6 - f4.3

35-mm equivalent aperture = (f2.6 - f4.3) × 6.5 = f16.9 - f28

S2 Pro equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Fujifilm S2 Pro, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Fujifilm S2 Pro is 1.56

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