Kodak EasyShare M550 vs. Fujifilm FinePix F850EXR

Comparison

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EasyShare M550 image
vs
FinePix F850EXR image
Kodak EasyShare M550 Fujifilm FinePix F850EXR
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Megapixels
12.30
16.00
Max. image resolution
4000 x 3000
4608 x 3456

Sensor

Sensor type
CCD
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2" (~ 6.4 x 4.8 mm)
Sensor resolution
4045 x 3041
4612 x 3468
Diagonal
7.70 mm
8.00 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 : 1.08
(ratio)
Kodak EasyShare M550 Fujifilm FinePix F850EXR
Surface area:
28.46 mm² vs 30.72 mm²
Difference: 2.26 mm² (8%)
F850EXR sensor is approx. 1.08x bigger than M550 sensor.
Note: You are comparing cameras of different generations. There is a 3 year gap between Kodak M550 (2010) and Fujifilm F850EXR (2013). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.52 µm
1.39 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: 0.13 µm (9%)
Pixel pitch of M550 is approx. 9% higher than pixel pitch of F850EXR.
Pixel area
2.31 µm²
1.93 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: 0.38 µm² (20%)
A pixel on Kodak M550 sensor is approx. 20% bigger than a pixel on Fujifilm F850EXR.
Pixel density
43.12 MP/cm²
51.93 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: 8.81 µm (20%)
Fujifilm F850EXR has approx. 20% higher pixel density than Kodak M550.
To learn about the accuracy of these numbers, click here.



Specs

Kodak M550
Fujifilm F850EXR
Crop factor
5.62
5.41
Total megapixels
12.70
Effective megapixels
12.30
16.00
Optical zoom
5x
20x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100 - 1600
Auto, 100, 200, 400, 800, 1600, 3200 (6400 and 12800 with boost)
RAW
Manual focus
Normal focus range
50 cm
45 cm
Macro focus range
10 cm
5 cm
Focal length (35mm equiv.)
28 - 140 mm
25 - 500 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f5.0
f3.5 - f5.3
Max. aperture (35mm equiv.)
f15.7 - f28.1
f18.9 - f28.7
Metering
Multi, Center-weighted, Spot
Multi, Average, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
30 sec
8 sec
Max. shutter speed
1/1400 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
4
7
Screen size
2.7"
3"
Screen resolution
230,000 dots
920,000 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Rechargeable Battery KLIC-7006
NP-50A Li-ion battery
Weight
125 g
230 g
Dimensions
98 x 58 x 23 mm
105.1 x 63.3 x 36 mm
Year
2010
2013




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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 M550 diagonal

The diagonal of M550 sensor is not 1/2.3 or 0.43" (11 mm) as you might expect, but approximately two thirds of that value - 7.7 mm. If you want to know why, see sensor sizes.

w = 6.16 mm
h = 4.62 mm
Diagonal =  6.16² + 4.62²   = 7.70 mm

Fujifilm F850EXR diagonal

The diagonal of F850EXR sensor is not 1/2 or 0.5" (12.7 mm) as you might expect, but approximately two thirds of that value - 8 mm. If you want to know why, see sensor sizes.

w = 6.40 mm
h = 4.80 mm
Diagonal =  6.40² + 4.80²   = 8.00 mm


Surface area

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

M550 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

F850EXR sensor area

Width = 6.40 mm
Height = 4.80 mm

Surface area = 6.40 × 4.80 = 30.72 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

M550 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4045 pixels
Pixel pitch =   6.16  × 1000  = 1.52 µm
4045

F850EXR pixel pitch

Sensor width = 6.40 mm
Sensor resolution width = 4612 pixels
Pixel pitch =   6.40  × 1000  = 1.39 µm
4612


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

M550 pixel area

Pixel pitch = 1.52 µm

Pixel area = 1.52² = 2.31 µm²

F850EXR pixel area

Pixel pitch = 1.39 µm

Pixel area = 1.39² = 1.93 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

M550 pixel density

Sensor resolution width = 4045 pixels
Sensor width = 0.616 cm

Pixel density = (4045 / 0.616)² / 1000000 = 43.12 MP/cm²

F850EXR pixel density

Sensor resolution width = 4612 pixels
Sensor width = 0.64 cm

Pixel density = (4612 / 0.64)² / 1000000 = 51.93 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

M550 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.30
r = 6.16/4.62 = 1.33
X =  12.30 × 1000000  = 3041
1.33
Resolution horizontal: X × r = 3041 × 1.33 = 4045
Resolution vertical: X = 3041

Sensor resolution = 4045 x 3041

F850EXR sensor resolution

Sensor width = 6.40 mm
Sensor height = 4.80 mm
Effective megapixels = 16.00
r = 6.40/4.80 = 1.33
X =  16.00 × 1000000  = 3468
1.33
Resolution horizontal: X × r = 3468 × 1.33 = 4612
Resolution vertical: X = 3468

Sensor resolution = 4612 x 3468


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


M550 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

F850EXR crop factor

Sensor diagonal in mm = 8.00 mm
Crop factor =   43.27  = 5.41
8.00

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).

M550 equivalent aperture

Crop factor = 5.62
Aperture = f2.8 - f5.0

35-mm equivalent aperture = (f2.8 - f5.0) × 5.62 = f15.7 - f28.1

F850EXR equivalent aperture

Crop factor = 5.41
Aperture = f3.5 - f5.3

35-mm equivalent aperture = (f3.5 - f5.3) × 5.41 = f18.9 - f28.7

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