Rollei Powerflex 610 HD vs. Fujifilm X100S

Comparison

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Powerflex 610 HD image
vs
X100S image
Rollei Powerflex 610 HD Fujifilm X100S
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Megapixels
16.00
16.30
Max. image resolution
4896 x 3264

Sensor

Sensor type
n/a
CMOS
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
23.6 x 15.8 mm
Sensor resolution
4612 x 3468
4929 x 3308
Diagonal
7.70 mm
28.40 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 : 13.1
(ratio)
Rollei Powerflex 610 HD Fujifilm X100S
Surface area:
28.46 mm² vs 372.88 mm²
Difference: 344.42 mm² (1210%)
X100S sensor is approx. 13.1x bigger than Powerflex 610 HD sensor.
Pixel pitch
1.34 µm
4.79 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: 3.45 µm (257%)
Pixel pitch of X100S is approx. 257% higher than pixel pitch of Powerflex 610 HD.
Pixel area
1.8 µm²
22.94 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: 21.14 µm² (1174%)
A pixel on Fujifilm X100S sensor is approx. 1174% bigger than a pixel on Rollei Powerflex 610 HD.
Pixel density
56.06 MP/cm²
4.36 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: 51.7 µm (1186%)
Rollei Powerflex 610 HD has approx. 1186% higher pixel density than Fujifilm X100S.
To learn about the accuracy of these numbers, click here.



Specs

Rollei Powerflex 610 HD
Fujifilm X100S
Crop factor
5.62
1.52
Total megapixels
Effective megapixels
16.00
16.30
Optical zoom
8x
1x
Digital zoom
Yes
ISO sensitivity
Auto, 100, 200, 400, 800,1600, 3200, 6400
Auto (ISO 200 - 6400), ISO 100, 12800 and 25600 with boost
RAW
Manual focus
Normal focus range
50 cm
Macro focus range
10 cm
Focal length (35mm equiv.)
24.8 - 198 mm
35 mm
Aperture priority
Yes
Max. aperture
f3.3 - f5.9
f2
Max. aperture (35mm equiv.)
f18.5 - f33.2
f3
Metering
Multi, Average, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Min. shutter speed
30 sec
Max. shutter speed
1/4000 sec
Built-in flash
External flash
Viewfinder
None
Electronic and Optical (tunnel)
White balance presets
7
Screen size
3"
2.8"
Screen resolution
230,000 dots
460,000 dots
Video capture
Max. video resolution
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Rechargeable Lithium-Ion Battery
Lithium-Ion NP-95 rechargeable battery
Weight
130 g
445 g
Dimensions
98 x 56.6 x 20.4 mm
126.5 x 74.4 x 53.9 mm
Year
2012
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

Rollei Powerflex 610 HD diagonal

The diagonal of Powerflex 610 HD 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 X100S diagonal

w = 23.60 mm
h = 15.80 mm
Diagonal =  23.60² + 15.80²   = 28.40 mm


Surface area

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

Powerflex 610 HD sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

X100S sensor area

Width = 23.60 mm
Height = 15.80 mm

Surface area = 23.60 × 15.80 = 372.88 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

Powerflex 610 HD pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4612 pixels
Pixel pitch =   6.16  × 1000  = 1.34 µm
4612

X100S pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4929 pixels
Pixel pitch =   23.60  × 1000  = 4.79 µm
4929


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

Powerflex 610 HD pixel area

Pixel pitch = 1.34 µm

Pixel area = 1.34² = 1.8 µm²

X100S pixel area

Pixel pitch = 4.79 µm

Pixel area = 4.79² = 22.94 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

Powerflex 610 HD pixel density

Sensor resolution width = 4612 pixels
Sensor width = 0.616 cm

Pixel density = (4612 / 0.616)² / 1000000 = 56.06 MP/cm²

X100S pixel density

Sensor resolution width = 4929 pixels
Sensor width = 2.36 cm

Pixel density = (4929 / 2.36)² / 1000000 = 4.36 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

Powerflex 610 HD sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 16.00
r = 6.16/4.62 = 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

X100S sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.80 mm
Effective megapixels = 16.30
r = 23.60/15.80 = 1.49
X =  16.30 × 1000000  = 3308
1.49
Resolution horizontal: X × r = 3308 × 1.49 = 4929
Resolution vertical: X = 3308

Sensor resolution = 4929 x 3308


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


Powerflex 610 HD crop factor

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

X100S crop factor

Sensor diagonal in mm = 28.40 mm
Crop factor =   43.27  = 1.52
28.40

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).

Powerflex 610 HD equivalent aperture

Crop factor = 5.62
Aperture = f3.3 - f5.9

35-mm equivalent aperture = (f3.3 - f5.9) × 5.62 = f18.5 - f33.2

X100S equivalent aperture

Crop factor = 1.52
Aperture = f2

35-mm equivalent aperture = (f2) × 1.52 = f3

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