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What is the crop factor of the Leica S3?

The Leica S3 is equipped with a medium format sensor, whose diagonal measures 54.1mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 0.8.

The crop factor is defined as the ratio of the 35mm full-frame film diagonal to the diagonal of a digital sensor. This number indicates how a lens behaves in relation to the size of the image sensor.

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Sensor size comparison with a film slide

With a crop factor of 0.8, the sensor in the Leica S3 is larger than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Leica S3 will offer a wider angle of view and provide shallower depth of field than a lens of similar focal length and aperture on a film camera. The equivalent focal length is obtained by multiplying the actual focal length of the lens with the crop factor. For example, a 63mm lens on the Leica S3 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (63mm * 0.8 = 50mm).

Leica S3 and Credit Card sensor measures
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Sensor specs and performance

The table below compares the sensor specs of the Leica S3 to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better), covering color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.

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Sensor Characteristics
#   Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica S3 Medium Format 64.0 9800 65334K/24p25.614.4314398
2.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
3.
 
Leica M-E Typ 240 Full Frame 23.7 5952 39761080/25p25.214.2282194
4.
 
Leica M10-P Full Frame 23.8 5952 3992none25.114.1273993
5.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
6.
 
Leica S-E Typ 006 Medium Format 37.5 7500 5000none25.113.7276393
7.
 
Leica S Typ 007 Medium Format 37.5 7500 50004K/24p25.113.7276393
8.
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
9.
 
Leica S2 Medium Format 37.5 7500 5000none23.912.5222482
10.
 
Nikon D6 Full Frame 20.7 5568 37124K/30p25.314.3288695
11.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
Note: DXO values in italics represent estimates based on sensor size and age.
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Further information on the sensor in the Leica S3 and the camera's operation can be found in the camera manual.

In the United States, the S3 was initially launched in September 2018 at a price of $18,995.

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Camera to camera comparisons

If you would like to see a side-by-side review with another camera, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications Summary
    Camera Model Leica S3
    Camera Type Digital single lens reflex
    Camera Lens Leica S mount lenses
    Launch Date September 2018
    Launch Price USD 18 995
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format Medium Format Sensor
    Sensor Size 45.0 x 30.0 mm
    Sensor Area 1 350 mm2
    Sensor Diagonal 54.1 mm
    Crop Factor 0.8x
    Sensor Resolution 64 Megapixels
    Image Resolution 9 800 x 6 533 pixels
    Pixel Pitch 4.59 μm
    Pixel Density 4.74 MP/cm2
    Moiré control no AA filter
    Movie Capability 4K/24p Video
    ISO Setting 100 - 50 000 ISO
    Image Processor Maestro II
    Screen Specs
    Viewfinder Type Optical viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.87x
    Top-Level Screen Control Panel
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 922k dots
    LCD Attachment Fixed screen
    Touch Input No touchscreen
    Shooting Specs
    Focus System Phase-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 3 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse Photographyno Intervalometer
    Fill Flash no On-Board Flash
    Storage Medium CF or SDXC cards
    Single or Dual Card Slots Dual card slots
    UHS card support UHS-II
    Connectivity Specs
    External Flash Hotshoe
    Studio Flash PC Sync socket
    USB Connector USB 3.0
    HDMI Port mini HDMI
    Microphone Port External MIC port
    Headphone Socket Headphone port
    Wifi Support Wifi built-in
    Geotagging GPS built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type Leica BP-PRO1 power pack
    Body Dimensions 160 x 120 x 80 mm
    (6.3 x 4.7 x 3.1 in)
    Camera Weight 1 260 g (44.4 oz)

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