Concord Eye-Q 4363z vs. Konica Revio KD-310Z

Comparison

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Eye-Q 4363z image
vs
Revio KD-310Z image
Concord Eye-Q 4363z Konica Revio KD-310Z
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Megapixels
4.06
3.20
Max. image resolution
2272 x 1704
2048 x 1536

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.8" (~ 7.11 x 5.33 mm)
1/1.8" (~ 7.11 x 5.33 mm)
Sensor resolution
2324 x 1747
2063 x 1551
Diagonal
8.89 mm
8.89 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
(ratio)
Concord Eye-Q 4363z Konica Revio KD-310Z
Surface area:
37.90 mm² vs 37.90 mm²
Difference: 0 mm² (0%)
Eye-Q 4363z and KD-310Z sensors are the same size.
Note: You are comparing cameras of different generations. There is a 2 year gap between Concord Eye-Q 4363z (2004) and Konica KD-310Z (2002). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
3.06 µm
3.45 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: 0.39 µm (13%)
Pixel pitch of KD-310Z is approx. 13% higher than pixel pitch of Eye-Q 4363z.
Pixel area
9.36 µm²
11.9 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: 2.54 µm² (27%)
A pixel on Konica KD-310Z sensor is approx. 27% bigger than a pixel on Concord Eye-Q 4363z.
Pixel density
10.68 MP/cm²
8.42 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: 2.26 µm (27%)
Concord Eye-Q 4363z has approx. 27% higher pixel density than Konica KD-310Z.
To learn about the accuracy of these numbers, click here.



Specs

Concord Eye-Q 4363z
Konica KD-310Z
Crop factor
4.87
4.87
Total megapixels
Effective megapixels
Optical zoom
Yes
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400
Auto, 100, 200, 400
RAW
Manual focus
Normal focus range
60 cm
50 cm
Macro focus range
10 cm
10 cm
Focal length (35mm equiv.)
35 - 105 mm
39 - 117 mm
Aperture priority
No
No
Max. aperture
f2.8 - f4.7
f2.8 - f4.9
Max. aperture (35mm equiv.)
f13.6 - f22.9
f13.6 - f23.9
Metering
Matrix, Spot
Centre weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±1.5 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
4 sec
1 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical
Optical
White balance presets
4
6
Screen size
1.5"
1.5"
Screen resolution
78,000 dots
110,000 dots
Video capture
Max. video resolution
Storage types
Secure Digital
Memory Stick, MultiMedia, Secure Digital
USB
USB 1.1
USB 1.1
HDMI
Wireless
GPS
Battery
2x AA
Li-Ion
Weight
150 g
198 g
Dimensions
100 x 61 x 31.5 mm
94 x 56 x 30 mm
Year
2004
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

Concord Eye-Q 4363z diagonal

The diagonal of Eye-Q 4363z sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm
Diagonal =  7.11² + 5.33²   = 8.89 mm

Konica KD-310Z diagonal

The diagonal of KD-310Z sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm
Diagonal =  7.11² + 5.33²   = 8.89 mm


Surface area

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

Eye-Q 4363z sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

KD-310Z sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 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

Eye-Q 4363z pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2324 pixels
Pixel pitch =   7.11  × 1000  = 3.06 µm
2324

KD-310Z pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2063 pixels
Pixel pitch =   7.11  × 1000  = 3.45 µm
2063


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

Eye-Q 4363z pixel area

Pixel pitch = 3.06 µm

Pixel area = 3.06² = 9.36 µm²

KD-310Z pixel area

Pixel pitch = 3.45 µm

Pixel area = 3.45² = 11.9 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

Eye-Q 4363z pixel density

Sensor resolution width = 2324 pixels
Sensor width = 0.711 cm

Pixel density = (2324 / 0.711)² / 1000000 = 10.68 MP/cm²

KD-310Z pixel density

Sensor resolution width = 2063 pixels
Sensor width = 0.711 cm

Pixel density = (2063 / 0.711)² / 1000000 = 8.42 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

Eye-Q 4363z sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 4.06
r = 7.11/5.33 = 1.33
X =  4.06 × 1000000  = 1747
1.33
Resolution horizontal: X × r = 1747 × 1.33 = 2324
Resolution vertical: X = 1747

Sensor resolution = 2324 x 1747

KD-310Z sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.20
r = 7.11/5.33 = 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


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


Eye-Q 4363z crop factor

Sensor diagonal in mm = 8.89 mm
Crop factor =   43.27  = 4.87
8.89

KD-310Z crop factor

Sensor diagonal in mm = 8.89 mm
Crop factor =   43.27  = 4.87
8.89

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).

Eye-Q 4363z equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f4.7

35-mm equivalent aperture = (f2.8 - f4.7) × 4.87 = f13.6 - f22.9

KD-310Z equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f4.9

35-mm equivalent aperture = (f2.8 - f4.9) × 4.87 = f13.6 - f23.9

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