Fujifilm FinePix F660EXR vs. Fujifilm FinePix SL280

Comparison

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FinePix F660EXR image
vs
FinePix SL280 image
Fujifilm FinePix F660EXR Fujifilm FinePix SL280
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Megapixels
16.00
14.00
Max. image resolution
4608 x 3456
4288 x 2428

Sensor

Sensor type
CMOS
n/a
Sensor size
1/2" (~ 6.4 x 4.8 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
4612 x 3468
4315 x 3244
Diagonal
8.00 mm
7.70 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
1.08 : 1
(ratio)
Fujifilm FinePix F660EXR Fujifilm FinePix SL280
Surface area:
30.72 mm² vs 28.46 mm²
Difference: 2.26 mm² (8%)
F660EXR sensor is approx. 1.08x bigger than SL280 sensor.
Pixel pitch
1.39 µm
1.43 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: 0.04 µm (3%)
Pixel pitch of SL280 is approx. 3% higher than pixel pitch of F660EXR.
Pixel area
1.93 µm²
2.04 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: 0.11 µm² (6%)
A pixel on Fujifilm SL280 sensor is approx. 6% bigger than a pixel on Fujifilm F660EXR.
Pixel density
51.93 MP/cm²
49.07 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: 2.86 µm (6%)
Fujifilm F660EXR has approx. 6% higher pixel density than Fujifilm SL280.
To learn about the accuracy of these numbers, click here.



Specs

Fujifilm F660EXR
Fujifilm SL280
Crop factor
5.41
5.62
Total megapixels
Effective megapixels
16.00
Optical zoom
15x
Digital zoom
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600, 3200 (6400 and 12800 with boost)
RAW
Manual focus
Normal focus range
45 cm
Macro focus range
5 cm
Focal length (35mm equiv.)
24 - 360 mm
Aperture priority
Yes
Max. aperture
f3.5 - f5.3
Max. aperture (35mm equiv.)
f18.9 - f28.7
n/a
Metering
Multi, Average, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Min. shutter speed
8 sec
Max. shutter speed
1/2000 sec
Built-in flash
External flash
Viewfinder
None
Electronic
White balance presets
7
Screen size
3"
Screen resolution
460,000 dots
Video capture
Max. video resolution
Storage types
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-ion NP-50A rechargeable battery
Weight
217 g
Dimensions
104 x 59 x 33 mm
Year
2012
2012




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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

Fujifilm F660EXR diagonal

The diagonal of F660EXR 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

Fujifilm SL280 diagonal

The diagonal of SL280 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


Surface area

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

F660EXR sensor area

Width = 6.40 mm
Height = 4.80 mm

Surface area = 6.40 × 4.80 = 30.72 mm²

SL280 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 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

F660EXR pixel pitch

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

SL280 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4315 pixels
Pixel pitch =   6.16  × 1000  = 1.43 µm
4315


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

F660EXR pixel area

Pixel pitch = 1.39 µm

Pixel area = 1.39² = 1.93 µm²

SL280 pixel area

Pixel pitch = 1.43 µm

Pixel area = 1.43² = 2.04 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

F660EXR pixel density

Sensor resolution width = 4612 pixels
Sensor width = 0.64 cm

Pixel density = (4612 / 0.64)² / 1000000 = 51.93 MP/cm²

SL280 pixel density

Sensor resolution width = 4315 pixels
Sensor width = 0.616 cm

Pixel density = (4315 / 0.616)² / 1000000 = 49.07 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

F660EXR 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

SL280 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.00
r = 6.16/4.62 = 1.33
X =  14.00 × 1000000  = 3244
1.33
Resolution horizontal: X × r = 3244 × 1.33 = 4315
Resolution vertical: X = 3244

Sensor resolution = 4315 x 3244


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


F660EXR crop factor

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

SL280 crop factor

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

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).

F660EXR 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

SL280 equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Fujifilm SL280, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Fujifilm SL280 is 5.62

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