Leica S2 vs. Canon EOS-1D X

Comparison

S2 image
vs.
EOS-1D X image

 

Leica S2 Canon EOS-1D X
Megapixels
37.50 18.10
Max. resolution
7500 x 5000 5184 x 3456
Price
Amazon, B&H Photo, Adorama Amazon, B&H Photo, Adorama

Sensor

Sensor type
CCD CMOS
Sensor size
45 x 30 mm 36 x 24 mm
Sensor resolution
7500 x 5000  5211 x 3474 
Diagonal
54.08 mm  43.27 mm 
Surface area
1350.00 mm²  864.00 mm² 
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 sizes:
Leica S2
vs.
Canon EOS-1D X
 
Surface area:
Leica S2
Canon EOS-1D X
Difference: 486 mm² (56%)
Leica S2 has approx. 56% more surface area than Canon EOS-1D X.
Note: You are comparing cameras of different generations. There is a 3 year gap between Leica S2 (2008) and Canon EOS-1D X (2011). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
6 µm  6.91 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.
Pixel pitch
Leica S2
Canon EOS-1D X
Difference: 0.91 µm (15%)
Pixel pitch of Canon EOS-1D X is approx. 15% higher than pixel pitch of Leica S2.
Pixel area
36 µm²  47.75 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:
Leica S2
vs.
Canon EOS-1D X
Pixel area difference: 11.75 µm² (33%)
A pixel on Canon EOS-1D X sensor is approx. 33% bigger than a pixel on Leica S2.
Pixel density
2.78 MP/cm²  2.1 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.
Pixel density
Leica S2
Canon EOS-1D X
Difference: 0.68 MP/cm² (32%)
Leica S2 has approx. 32% higher pixel density than Canon EOS-1D X.
To learn about the accuracy of these numbers, click here.

Other specifications

Crop factor
0.8 
Total megapixels
n/a 19.30
Effective megapixels
37.50 18.10
Optical zoom
n/a n/a
Digital zoom
n/a No
Iso
Auto, 80-1250 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600, 51200 (50, 102400 and 204800 with boost)
Auto focus
Yes Yes
Manual focus
Yes Yes
Normal focus range
n/a n/a
Macro focus range
n/a n/a
Focal length (35mm equiv.)
n/a n/a
Aperture priority
Yes Yes
Aperture
n/a n/a
Aperture (35mm equiv.)
n/a  n/a 
Metering
Centre weighted, Multi-segment, Spot Multi, Center-weighted, Average, Spot
Exposure compensation
±3 EV (at 1/3 EV steps) ±5 EV (at 1/3 EV, 1/2 EV steps)
Shutter priority
Yes Yes
Min. shutter speed
32 sec 30 sec
Max. shutter speed
1/500 sec 1/8000 sec
Flash modes
Auto, On, Off, Red-Eye, Front Curtain, Rear Curtain, Slow sync E-TTL II Auto Flash, Metered Manual
Built-in flash
No No
External flash
Yes Yes
Viewfinder
Optical (pentaprism) Optical (pentaprism)
White balance presets
5 6
LCD display
Yes Yes
LCD size
3" 3.2"
LCD resolution
460,000 1,040,000
Min. image resolution
1632 x 1080 2592 x 1728
Selftimer
Yes Yes
Storage types
CompactFlash type I, CompactFlash type II, Microdrive, SDHC Secure Digital Compact Flash (Type I or II), UDMA compatible
USB
USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Batteries
Lithium-Ion rechargeable battery & charger Lithium-Ion LP-E4N rechargeable battery & charger
Weight
1400g n/a
Dimensions
160x120x81 mm 158 x 164 x 83 mm
Year
2008 2011



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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

Leica S2 diagonal

w = 45.00 mm
h = 30.00 mm
Diagonal =  45.00² + 30.00²   = 54.08 mm

Canon EOS-1D X diagonal

w = 36.00 mm
h = 24.00 mm
Diagonal =  36.00² + 24.00²   = 43.27 mm


Surface area

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

Leica S2 surface area

Width = 45.00 mm
Height = 30.00 mm

Surface area = 45.00 × 30.00 = 1350.00 mm²

Canon EOS-1D X surface area

Width = 36.00 mm
Height = 24.00 mm

Surface area = 36.00 × 24.00 = 864.00 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

Leica S2 pixel pitch

Sensor width = 45.00 mm
Sensor resolution width = 7500 pixels
Pixel pitch =   45.00  × 1000  = 6 µm
7500

Canon EOS-1D X pixel pitch

Sensor width = 36.00 mm
Sensor resolution width = 5211 pixels
Pixel pitch =   36.00  × 1000  = 6.91 µm
5211


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

Leica S2 pixel area

Pixel pitch = 6 µm

Pixel area = 6² = 36 µm²

Canon EOS-1D X pixel area

Pixel pitch = 6.91 µm

Pixel area = 6.91² = 47.75 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

You could also use this formula:
Pixel density =   effective megapixels × 1000000  / 10000
sensor surface area in mm²

Leica S2 pixel density

Sensor resolution width = 7500 pixels
Sensor width = 4.5 cm

Pixel density = (7500 / 4.5)² / 1000000 = 2.78 MP/cm²

Canon EOS-1D X pixel density

Sensor resolution width = 5211 pixels
Sensor width = 3.6 cm

Pixel density = (5211 / 3.6)² / 1000000 = 2.1 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. 22.8 × 15.5 sensor for example has a ratio of 1.47.

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

Leica S2 sensor resolution

Sensor width = 45.00 mm
Sensor height = 30.00 mm
Effective megapixels = 37.50
r = 45.00/30.00 = 1.5
X =  37.50 × 1000000  = 5000
1.5
Resolution horizontal: X × r = 5000 × 1.5 = 7500
Resolution vertical: X = 5000

Sensor resolution = 7500 x 5000

Canon EOS-1D X sensor resolution

Sensor width = 36.00 mm
Sensor height = 24.00 mm
Effective megapixels = 18.10
r = 36.00/24.00 = 1.5
X =  18.10 × 1000000  = 3474
1.5
Resolution horizontal: X × r = 3474 × 1.5 = 5211
Resolution vertical: X = 3474

Sensor resolution = 5211 x 3474


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


Leica S2 crop factor

Sensor diagonal in mm = 54.08 mm
Crop factor =   43.27  = 0.8
54.08

Canon EOS-1D X crop factor

Sensor diagonal in mm = 43.27 mm
Crop factor =   43.27  = 1
43.27

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).

Leica S2 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 Leica S2, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Leica S2 is 0.8

Canon EOS-1D X 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 Canon EOS-1D X, take the aperture of the lens you're using and multiply it with crop factor.

Since crop factor for Canon EOS-1D X is 1, the equivalent aperture is aperture.


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