Leica M11 vs. Leica Q3

Comparison

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M11 image
vs
Q3 image
Leica M11 Leica Q3
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Megapixels
60.30
60.30
Max. image resolution
9528 x 6328
9520 x 6336

Sensor

Sensor type
CMOS
CMOS
Sensor size
36 x 24 mm
36 x 24 mm
Sensor resolution
9510 x 6340
9510 x 6340
Diagonal
43.27 mm
43.27 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
(ratio)
Leica M11 Leica Q3
Surface area:
864.00 mm² vs 864.00 mm²
Difference: 0 mm² (0%)
M11 and Q3 sensors are the same size.
Pixel pitch
3.79 µm
3.79 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: 0 µm (0%)
M11 and Q3 have the same pixel pitch.
Pixel area
14.36 µm²
14.36 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 µm² (0%)
Leica M11 and Leica Q3 have the same pixel area.
Pixel density
6.98 MP/cm²
6.98 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: 0 µm (0%)
Leica M11 and Leica Q3 have the same pixel density.
To learn about the accuracy of these numbers, click here.



Specs

Leica M11
Leica Q3
Crop factor
1
1
Total megapixels
62.39
Effective megapixels
60.30
60.30
Optical zoom
 
1x
Digital zoom
No
Yes
ISO sensitivity
Auto, 64-50000
Auto, 50-100000
RAW
Manual focus
Normal focus range
30 cm
Macro focus range
17 cm
Focal length (35mm equiv.)
28 mm
Aperture priority
Yes
Yes
Max. aperture
f1.7
Max. aperture (35mm equiv.)
n/a
f1.7
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV steps)
±3 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
3600 sec
120 sec
Max. shutter speed
1/4000 sec
1/16000 sec
Built-in flash
External flash
Viewfinder
Optical (rangefinder)
Electronic
White balance presets
8
5
Screen size
3"
3"
Screen resolution
2,332,800 dots
1,843,200 dots
Video capture
Max. video resolution
8192x4320 (30p/25p/24p)
Storage types
SD/SDHC/SDXC, UHS-II
SD/SDHC/SDXC, UHS-II
USB
USB 3.0 (5 GBit/sec)
USB 3.2 (10 GBit/sec)
HDMI
Wireless
GPS
Battery
BC-SCL7 lithium-ion battery
BP-SCL6 Lithium-ion battery
Weight
640 g
743 g
Dimensions
139 x 38.5 x 80 mm
130 x 80.3 x 92.6 mm
Year
2022
2023




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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 M11 diagonal

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

Leica Q3 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.

M11 sensor area

Width = 36.00 mm
Height = 24.00 mm

Surface area = 36.00 × 24.00 = 864.00 mm²

Q3 sensor 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

M11 pixel pitch

Sensor width = 36.00 mm
Sensor resolution width = 9510 pixels
Pixel pitch =   36.00  × 1000  = 3.79 µm
9510

Q3 pixel pitch

Sensor width = 36.00 mm
Sensor resolution width = 9510 pixels
Pixel pitch =   36.00  × 1000  = 3.79 µm
9510


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

M11 pixel area

Pixel pitch = 3.79 µm

Pixel area = 3.79² = 14.36 µm²

Q3 pixel area

Pixel pitch = 3.79 µm

Pixel area = 3.79² = 14.36 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

M11 pixel density

Sensor resolution width = 9510 pixels
Sensor width = 3.6 cm

Pixel density = (9510 / 3.6)² / 1000000 = 6.98 MP/cm²

Q3 pixel density

Sensor resolution width = 9510 pixels
Sensor width = 3.6 cm

Pixel density = (9510 / 3.6)² / 1000000 = 6.98 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

M11 sensor resolution

Sensor width = 36.00 mm
Sensor height = 24.00 mm
Effective megapixels = 60.30
r = 36.00/24.00 = 1.5
X =  60.30 × 1000000  = 6340
1.5
Resolution horizontal: X × r = 6340 × 1.5 = 9510
Resolution vertical: X = 6340

Sensor resolution = 9510 x 6340

Q3 sensor resolution

Sensor width = 36.00 mm
Sensor height = 24.00 mm
Effective megapixels = 60.30
r = 36.00/24.00 = 1.5
X =  60.30 × 1000000  = 6340
1.5
Resolution horizontal: X × r = 6340 × 1.5 = 9510
Resolution vertical: X = 6340

Sensor resolution = 9510 x 6340


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


M11 crop factor

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

Q3 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).

M11 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 M11, take the aperture of the lens you're using and multiply it with crop factor.

Since crop factor for Leica M11 is 1, the equivalent aperture is aperture.

Q3 equivalent aperture

Crop factor = 1
Aperture = f1.7

35-mm equivalent aperture = (f1.7) × 1 = f1.7

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