Ricoh Caplio R5 vs. Fujifilm FinePix 50i

Comparison

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Ricoh Caplio R5

Fujifilm FinePix 50i

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Megapixels

7.10

2.40

Max. image resolution

3072 x 2304

2400 x 1800

Sensor

Sensor type

CCD

Sensor size

1/2.5" (~ 5.75 x 4.32 mm)

1/1.7" (~ 7.53 x 5.64 mm)

Sensor resolution

3072 x 2310

1793 x 1338

Diagonal

7.19 mm

9.41 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	:	1.71
(ratio)

Ricoh Caplio R5		Fujifilm FinePix 50i

Surface area:

24.84 mm²

42.47 mm²

Difference: 17.63 mm² (71%)

50i sensor is approx. 1.71x bigger than R5 sensor.

Note: You are comparing cameras of different generations. There is a 5 year gap between Ricoh R5 (2006) and Fujifilm 50i (2001). All things being equal, newer sensor generations generally outperform the older.

Pixel pitch

1.87 µm

4.2 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: 2.33 µm (125%)

Pixel pitch of 50i is approx. 125% higher than pixel pitch of R5.

Pixel area

3.5 µm²

17.64 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:

Pixel area difference: 14.14 µm² (404%)

A pixel on Fujifilm 50i sensor is approx. 404% bigger than a pixel on Ricoh R5.

Pixel density

28.54 MP/cm²

5.67 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: 22.87 µm (403%)

Ricoh R5 has approx. 403% higher pixel density than Fujifilm 50i.

To learn about the accuracy of these numbers, click here.

Specs

Ricoh R5

Fujifilm 50i

Crop factor

6.02

4.6

Total megapixels

7.40

2.40

Effective megapixels

7.10

2.40

Optical zoom

7.1x

Digital zoom

Yes

ISO sensitivity

Auto, 64, 100, 200, 400, 800, 1600

125

RAW

Manual focus

Normal focus range

30 cm

50 cm

Macro focus range

1 cm

6 cm

Focal length (35mm equiv.)

28 - 200 mm

36 mm

Aperture priority

Max. aperture

f3.3 - f4.8

f2.8

Max. aperture (35mm equiv.)

f19.9 - f28.9

f12.9

Metering

Centre weighted, Multi-segment, Spot

64-segment

Exposure compensation

±2 EV (in 1/3 EV steps)

±1.5 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

8 sec

1/4 sec

Max. shutter speed

1/2000 sec

1/1000 sec

Built-in flash

External flash

Viewfinder

None

Optical (tunnel)

White balance presets

Screen size

2.5"

1.5"

Screen resolution

230,000 dots

110,000 dots

Video capture

Max. video resolution

Storage types

MultiMedia, Secure Digital

SmartMedia

USB

USB 1.0

HDMI

Wireless

GPS

Battery

Lithium-Ion rechargeable

AA NiMH (2) batteries (supplied)

Weight

140 g

160 g

Dimensions

96 x 55 x 26 mm

113 x 34.5 x 66 mm

Year

2006

2001

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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 R5 diagonal

The diagonal of R5 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

Fujifilm 50i diagonal

The diagonal of 50i sensor is not 1/1.7 or 0.59" (14.9 mm) as you might expect, but approximately two thirds of that value - 9.41 mm. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm

Diagonal = √

7.53² + 5.64²

= 9.41 mm

Surface area

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

R5 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

50i sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 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

R5 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 3072 pixels

Pixel pitch =	5.75	× 1000	= 1.87 µm
	3072

50i pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 1793 pixels

Pixel pitch =	7.53	× 1000	= 4.2 µm
	1793

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

R5 pixel area

Pixel pitch = 1.87 µm

Pixel area = 1.87² = 3.5 µm²

50i pixel area

Pixel pitch = 4.2 µm

Pixel area = 4.2² = 17.64 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

R5 pixel density

Sensor resolution width = 3072 pixels
Sensor width = 0.575 cm

Pixel density = (3072 / 0.575)² / 1000000 = 28.54 MP/cm²

50i pixel density

Sensor resolution width = 1793 pixels
Sensor width = 0.753 cm

Pixel density = (1793 / 0.753)² / 1000000 = 5.67 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

R5 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 7.10

r = 5.75/4.32 = 1.33

X = √	7.10 × 1000000	= 2310
	1.33

Resolution horizontal: X × r = 2310 × 1.33 = 3072
Resolution vertical: X = 2310

Sensor resolution = 3072 x 2310

50i sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 2.40

r = 7.53/5.64 = 1.34

X = √	2.40 × 1000000	= 1338
	1.34

Resolution horizontal: X × r = 1338 × 1.34 = 1793
Resolution vertical: X = 1338

Sensor resolution = 1793 x 1338

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

R5 crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

50i crop factor

Sensor diagonal in mm = 9.41 mm

Crop factor =	43.27	= 4.6
	9.41

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).

R5 equivalent aperture

Crop factor = 6.02
Aperture = f3.3 - f4.8

35-mm equivalent aperture = (f3.3 - f4.8) × 6.02 = f19.9 - f28.9

50i equivalent aperture

Crop factor = 4.6
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 4.6 = f12.9

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