Konica Revio C2 vs. Konica Revio KD-200Z

Comparison

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Konica Revio C2

Konica Revio KD-200Z

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Megapixels

1.20

2.11

Max. image resolution

1280 x 1024

1600 x 1200

Sensor

Sensor type

CMOS

CCD

Sensor size

1/3.4" (~ 4.23 x 3.17 mm)

1/2.7" (~ 5.33 x 4 mm)

Sensor resolution

1264 x 950

1676 x 1260

Diagonal

5.29 mm

6.66 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	:	1.59
(ratio)

Konica Revio C2		Konica Revio KD-200Z

Surface area:

13.41 mm²

21.32 mm²

Difference: 7.91 mm² (59%)

KD-200Z sensor is approx. 1.59x bigger than C2 sensor.

Pixel pitch

3.35 µm

3.18 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: 0.17 µm (5%)

Pixel pitch of C2 is approx. 5% higher than pixel pitch of KD-200Z.

Pixel area

11.22 µm²

10.11 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: 1.11 µm² (11%)

A pixel on Konica C2 sensor is approx. 11% bigger than a pixel on Konica KD-200Z.

Pixel density

8.93 MP/cm²

9.89 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: 0.96 µm (11%)

Konica KD-200Z has approx. 11% higher pixel density than Konica C2.

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

Specs

Konica C2

Konica KD-200Z

Crop factor

8.18

6.5

Total megapixels

Effective megapixels

Optical zoom

Digital zoom

Yes

ISO sensitivity

100

RAW

Manual focus

Normal focus range

60 cm

80 cm

Macro focus range

30 cm

25 cm

Focal length (35mm equiv.)

37 mm

35 - 105 mm

Aperture priority

Max. aperture

f2.8

f2.8 - f4.6

Max. aperture (35mm equiv.)

f22.9

f18.2 - f29.9

Metering

Centre weighted

Centre weighted, Spot

Exposure compensation

±1.5 EV (in 1/2 EV steps)

±1.5 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

1/15 sec

2 sec

Max. shutter speed

1/6600 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

Optical

Optical (tunnel)

White balance presets

Screen size

1.6"

1.5"

Screen resolution

118,000 dots

Video capture

Max. video resolution

Storage types

MultiMedia, Secure Digital

USB

USB 1.1

USB 1.0

HDMI

Wireless

GPS

Battery

2x AAA

AA (2) batteries (NiMH recommended)

Weight

70 g

227 g

Dimensions

86 x 56 x 14 mm

100 x 62 x 31 mm

Year

2002

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

Konica C2 diagonal

The diagonal of C2 sensor is not 1/3.4 or 0.29" (7.5 mm) as you might expect, but approximately two thirds of that value - 5.29 mm. If you want to know why, see sensor sizes.

w = 4.23 mm
h = 3.17 mm

Diagonal = √

4.23² + 3.17²

= 5.29 mm

Konica KD-200Z diagonal

The diagonal of KD-200Z 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

Surface area

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

C2 sensor area

Width = 4.23 mm
Height = 3.17 mm

Surface area = 4.23 × 3.17 = 13.41 mm²

KD-200Z sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 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

C2 pixel pitch

Sensor width = 4.23 mm
Sensor resolution width = 1264 pixels

Pixel pitch =	4.23	× 1000	= 3.35 µm
	1264

KD-200Z pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1676 pixels

Pixel pitch =	5.33	× 1000	= 3.18 µm
	1676

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

C2 pixel area

Pixel pitch = 3.35 µm

Pixel area = 3.35² = 11.22 µm²

KD-200Z pixel area

Pixel pitch = 3.18 µm

Pixel area = 3.18² = 10.11 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

C2 pixel density

Sensor resolution width = 1264 pixels
Sensor width = 0.423 cm

Pixel density = (1264 / 0.423)² / 1000000 = 8.93 MP/cm²

KD-200Z pixel density

Sensor resolution width = 1676 pixels
Sensor width = 0.533 cm

Pixel density = (1676 / 0.533)² / 1000000 = 9.89 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

C2 sensor resolution

Sensor width = 4.23 mm
Sensor height = 3.17 mm
Effective megapixels = 1.20

r = 4.23/3.17 = 1.33

X = √	1.20 × 1000000	= 950
	1.33

Resolution horizontal: X × r = 950 × 1.33 = 1264
Resolution vertical: X = 950

Sensor resolution = 1264 x 950

KD-200Z sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 2.11

r = 5.33/4.00 = 1.33

X = √	2.11 × 1000000	= 1260
	1.33

Resolution horizontal: X × r = 1260 × 1.33 = 1676
Resolution vertical: X = 1260

Sensor resolution = 1676 x 1260

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

C2 crop factor

Sensor diagonal in mm = 5.29 mm

Crop factor =	43.27	= 8.18
	5.29

KD-200Z crop factor

Sensor diagonal in mm = 6.66 mm

Crop factor =	43.27	= 6.5
	6.66

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).

C2 equivalent aperture

Crop factor = 8.18
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 8.18 = f22.9

KD-200Z equivalent aperture

Crop factor = 6.5
Aperture = f2.8 - f4.6

35-mm equivalent aperture = (f2.8 - f4.6) × 6.5 = f18.2 - f29.9

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