Kodak DC240 vs. Fujifilm DS-300

Comparison

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DC240 image
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DS-300 image
Kodak DC240 Fujifilm DS-300
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Megapixels
1.20
1.20
Max. image resolution
1280 x 960
1280 x 1000

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.76" (~ 7.27 x 5.46 mm)
2/3" (~ 8.8 x 6.6 mm)
Sensor resolution
1264 x 950
1264 x 950
Diagonal
9.09 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 : 1.46
(ratio)
Kodak DC240 Fujifilm DS-300
Surface area:
39.69 mm² vs 58.08 mm²
Difference: 18.39 mm² (46%)
DS-300 sensor is approx. 1.46x bigger than DC240 sensor.
Note: You are comparing cameras of different generations. There is a 2 year gap between Kodak DC240 (1999) and Fujifilm DS-300 (1997). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
5.75 µm
6.96 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: 1.21 µm (21%)
Pixel pitch of DS-300 is approx. 21% higher than pixel pitch of DC240.
Pixel area
33.06 µm²
48.44 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: 15.38 µm² (47%)
A pixel on Fujifilm DS-300 sensor is approx. 47% bigger than a pixel on Kodak DC240.
Pixel density
3.02 MP/cm²
2.06 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 (47%)
Kodak DC240 has approx. 47% higher pixel density than Fujifilm DS-300.
To learn about the accuracy of these numbers, click here.



Specs

Kodak DC240
Fujifilm DS-300
Crop factor
4.76
3.93
Total megapixels
1.30
1.30
Effective megapixels
1.20
1.20
Optical zoom
3x
3x
Digital zoom
Yes
Yes
ISO sensitivity
140
100, 400
RAW
Manual focus
Normal focus range
50 cm
20 cm
Macro focus range
25 cm
20 cm
Focal length (35mm equiv.)
39 - 117 mm
35 - 105 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f16.0
f3.5 - f5.0
Max. aperture (35mm equiv.)
f13.3 - f76.2
f13.8 - f19.7
Metering
Multi, Center-weighted, Spot
Multi, Average, Spot
Exposure compensation
±2 EV (in 1/2 EV steps)
-0.9 - +1.8 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
1/2 sec
1/4 sec
Max. shutter speed
1/755 sec
1/1000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Optical (tunnel)
White balance presets
4
3
Screen size
1.8"
2"
Screen resolution
72,000 dots
130,000 dots
Video capture
Max. video resolution
Storage types
Compact Flash
PCMCIA (type I or II)
USB
USB 1.0
USB 1.0
HDMI
Wireless
GPS
Battery
AA NiMH (4) batteries included
Lithium-Ion (NP-510)
Weight
420 g
700 g
Dimensions
133 x 51 x 76 mm
153 x 96 x 78 mm
Year
1999
1997




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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

Kodak DC240 diagonal

The diagonal of DC240 sensor is not 1/1.76 or 0.57" (14.4 mm) as you might expect, but approximately two thirds of that value - 9.09 mm. If you want to know why, see sensor sizes.

w = 7.27 mm
h = 5.46 mm
Diagonal = √  7.27² + 5.46²   = 9.09 mm

Fujifilm DS-300 diagonal

The diagonal of DS-300 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.

DC240 sensor area

Width = 7.27 mm
Height = 5.46 mm

Surface area = 7.27 × 5.46 = 39.69 mm²

DS-300 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

DC240 pixel pitch

Sensor width = 7.27 mm
Sensor resolution width = 1264 pixels
Pixel pitch =   7.27  × 1000  = 5.75 µm
1264

DS-300 pixel pitch

Sensor width = 8.80 mm
Sensor resolution width = 1264 pixels
Pixel pitch =   8.80  × 1000  = 6.96 µm
1264


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

DC240 pixel area

Pixel pitch = 5.75 µm

Pixel area = 5.75² = 33.06 µm²

DS-300 pixel area

Pixel pitch = 6.96 µm

Pixel area = 6.96² = 48.44 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

DC240 pixel density

Sensor resolution width = 1264 pixels
Sensor width = 0.727 cm

Pixel density = (1264 / 0.727)² / 1000000 = 3.02 MP/cm²

DS-300 pixel density

Sensor resolution width = 1264 pixels
Sensor width = 0.88 cm

Pixel density = (1264 / 0.88)² / 1000000 = 2.06 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

DC240 sensor resolution

Sensor width = 7.27 mm
Sensor height = 5.46 mm
Effective megapixels = 1.20
r = 7.27/5.46 = 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

DS-300 sensor resolution

Sensor width = 8.80 mm
Sensor height = 6.60 mm
Effective megapixels = 1.20
r = 8.80/6.60 = 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


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


DC240 crop factor

Sensor diagonal in mm = 9.09 mm
Crop factor =   43.27  = 4.76
9.09

DS-300 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).

DC240 equivalent aperture

Crop factor = 4.76
Aperture = f2.8 - f16.0

35-mm equivalent aperture = (f2.8 - f16.0) × 4.76 = f13.3 - f76.2

DS-300 equivalent aperture

Crop factor = 3.93
Aperture = f3.5 - f5.0

35-mm equivalent aperture = (f3.5 - f5.0) × 3.93 = f13.8 - f19.7

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