Ricoh RDC-5300 vs. Fujifilm X-S1

Comparison

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RDC-5300 image
vs
X-S1 image
Ricoh RDC-5300 Fujifilm X-S1
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Megapixels
2.20
12.00
Max. image resolution
1792 x 1200
4000 x 3000

Sensor

Sensor type
CCD
CMOS
Sensor size
1/2.7" (~ 5.33 x 4 mm)
2/3" (~ 8.8 x 6.6 mm)
Sensor resolution
1710 x 1286
3995 x 3004
Diagonal
6.66 mm
11.00 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 : 2.72
(ratio)
Ricoh RDC-5300 Fujifilm X-S1
Surface area:
21.32 mm² vs 58.08 mm²
Difference: 36.76 mm² (172%)
X-S1 sensor is approx. 2.72x bigger than RDC-5300 sensor.
Note: You are comparing sensors of vastly different generations. There is a gap of 12 years between Ricoh RDC-5300 (1999) and Fujifilm X-S1 (2011). Twelve years is a huge amount of time, technology wise, resulting in newer sensor being much more efficient than the older one.
Pixel pitch
3.12 µm
2.2 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: 0.92 µm (42%)
Pixel pitch of RDC-5300 is approx. 42% higher than pixel pitch of X-S1.
Pixel area
9.73 µm²
4.84 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: 4.89 µm² (101%)
A pixel on Ricoh RDC-5300 sensor is approx. 101% bigger than a pixel on Fujifilm X-S1.
Pixel density
10.29 MP/cm²
20.61 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: 10.32 µm (100%)
Fujifilm X-S1 has approx. 100% higher pixel density than Ricoh RDC-5300.
To learn about the accuracy of these numbers, click here.



Specs

Ricoh RDC-5300
Fujifilm X-S1
Crop factor
6.5
3.93
Total megapixels
2.30
Effective megapixels
2.20
12.00
Optical zoom
3x
26x
Digital zoom
Yes
Yes
ISO sensitivity
100
Auto, 100, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, (4000, 5000, 6400, 12800 with boost)
RAW
Manual focus
Normal focus range
40 cm
30 cm
Macro focus range
4 cm
1 cm
Focal length (35mm equiv.)
38 - 114 mm
24 - 624 mm
Aperture priority
No
Yes
Max. aperture
f3.2 - f3.7
f2.8 - f5.6
Max. aperture (35mm equiv.)
f20.8 - f24.1
f11 - f22
Metering
Centre weighted
Multi, Average, Spot
Exposure compensation
±2 EV (in 1/2 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
1 sec
30 sec
Max. shutter speed
1/500 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Electronic
White balance presets
5
6
Screen size
1.8"
3"
Screen resolution
110,000 dots
460,000 dots
Video capture
Max. video resolution
1920x1080 (30p)
Storage types
SmartMedia
SD/SDHC/SDXC
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA (4) batteries (NiMH recommended)
Lithium-Ion NP-95 rechargeable battery
Weight
460 g
920 g
Dimensions
131 x 69 x 54 mm
135 x 107 x 149 mm
Year
1999
2011




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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 RDC-5300 diagonal

The diagonal of RDC-5300 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 X-S1 diagonal

The diagonal of X-S1 sensor is not 2/3 or 0.67" (16.9 mm) as you might expect, but approximately two thirds of that value - 11 mm. If you want to know why, see sensor sizes.

w = 8.80 mm
h = 6.60 mm
Diagonal = √  8.80² + 6.60²   = 11.00 mm


Surface area

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

RDC-5300 sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

X-S1 sensor area

Width = 8.80 mm
Height = 6.60 mm

Surface area = 8.80 × 6.60 = 58.08 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

RDC-5300 pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1710 pixels
Pixel pitch =   5.33  × 1000  = 3.12 µm
1710

X-S1 pixel pitch

Sensor width = 8.80 mm
Sensor resolution width = 3995 pixels
Pixel pitch =   8.80  × 1000  = 2.2 µm
3995


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

RDC-5300 pixel area

Pixel pitch = 3.12 µm

Pixel area = 3.12² = 9.73 µm²

X-S1 pixel area

Pixel pitch = 2.2 µm

Pixel area = 2.2² = 4.84 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

RDC-5300 pixel density

Sensor resolution width = 1710 pixels
Sensor width = 0.533 cm

Pixel density = (1710 / 0.533)² / 1000000 = 10.29 MP/cm²

X-S1 pixel density

Sensor resolution width = 3995 pixels
Sensor width = 0.88 cm

Pixel density = (3995 / 0.88)² / 1000000 = 20.61 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

RDC-5300 sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 2.20
r = 5.33/4.00 = 1.33
X = √  2.20 × 1000000  = 1286
1.33
Resolution horizontal: X × r = 1286 × 1.33 = 1710
Resolution vertical: X = 1286

Sensor resolution = 1710 x 1286

X-S1 sensor resolution

Sensor width = 8.80 mm
Sensor height = 6.60 mm
Effective megapixels = 12.00
r = 8.80/6.60 = 1.33
X = √  12.00 × 1000000  = 3004
1.33
Resolution horizontal: X × r = 3004 × 1.33 = 3995
Resolution vertical: X = 3004

Sensor resolution = 3995 x 3004


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


RDC-5300 crop factor

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

X-S1 crop factor

Sensor diagonal in mm = 11.00 mm
Crop factor =   43.27  = 3.93
11.00

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).

RDC-5300 equivalent aperture

Crop factor = 6.5
Aperture = f3.2 - f3.7

35-mm equivalent aperture = (f3.2 - f3.7) × 6.5 = f20.8 - f24.1

X-S1 equivalent aperture

Crop factor = 3.93
Aperture = f2.8 - f5.6

35-mm equivalent aperture = (f2.8 - f5.6) × 3.93 = f11 - f22

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