Canon EOS M6 Mark II vs Panasonic Lumix DC-G9 Comparison

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EOS M6 Mark II image
vs
Lumix DC-G9 image
Canon EOS M6 Mark II Panasonic Lumix DC-G9
Megapixels
32.50
20.33
Image resolution
6960 x 4640
5184 x 3888

Sensor

Sensor type
CMOS
CMOS
Sensor size
22.3 x 14.9 mm
Four Thirds (17.3 x 13 mm)
Sensor resolution
6983 x 4655
5200 x 3910
Diagonal
26.82 mm
21.64 mm
Compare sensor size:

Sensor Size

Actual size is set to screen
vs
1.48:1
(ratio)
Canon EOS M6 Mark II Panasonic Lumix DC-G9
Surface area:
332.27 mm² vs 224.90 mm²
Difference: 107.37 mm² (48%)
M6 Mark II sensor is ~1.48x bigger than Lumix DC-G9's.
Pixel pitch
3.19 µm
3.33 µm
Difference: 0.14 µm (4%)
Pixel pitch of Lumix DC-G9 is ~4% higher than M6 Mark II's.
Pixel area
10.18 µm²
11.09 µm²
Relative pixel sizes:
vs
Pixel area difference: 0.91 µm² (9%)
Pixel on Panasonic Lumix DC-G9 sensor is ~9% bigger than Canon M6 Mark II's.
Pixel density
9.81 MP/cm²
9.03 MP/cm²
Difference: 0.78 µm (9%)
Canon M6 Mark II has ~9% higher pixel density than Panasonic Lumix DC-G9's.

Specs

Canon M6 Mark II
Panasonic Lumix DC-G9
Crop factor
1.61
2
Megapixels
34.40
21.77
Optical zoom
n/a
 
Digital zoom
n/a
ISO range
Auto, 100-25600 (expands to 51200)
Auto, 200-25600 (expands to 100)
RAW support
Manual focus
Focus range
n/a
Macro focus range
n/a
Focal length
n/a
Aperture priority
Max. aperture
n/a
Metering types
Multi, Center-weighted, Spot, Partial
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV, 1/2 EV steps)
±5 EV (in 1/3 EV steps)
Shutter priority
Shutter speed (min)
30s
60s
Shutter speed (max)
1/4000s
1/8000s
Built-in flash
External flash
Viewfinder type
Electronic (optional)
Electronic
White balance
6
5
Screen size
3"
3"
Screen resolution
1,040,000 dots
1,040,000 dots
Video available
Max. video resolution
3840x2160 (30p/​25p)
3840x2160 (60p/30p/24p)
Storage type
SD/SDHC/SDXC
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 3.0 (5 GBit/sec)
HDMI
Wireless support
GPS
Battery model
LP-E17
Proprietary
Battery type
lithium-ion
lithium-ion
Weight
408g
658g
Body size
119.6 x 70 x 49.2 mm
136.9 x 97.3 x 91.6 mm
Released
2019
2017


Compare various cameras

vs

Diagonal

Diagonal is calculated by the use of Pythagorean theorem:
Diagonal =  w² + h²
where w = sensor width and h = sensor height

Canon M6 Mark II diagonal

w = 22.30 mm
h = 14.90 mm
Diagonal =  22.30² + 14.90²   = 26.82 mm

Panasonic Lumix DC-G9 diagonal

w = 17.30 mm
h = 13.00 mm
Diagonal =  17.30² + 13.00²   = 21.64 mm


Surface area

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

M6 Mark II sensor area

Width = 22.30 mm
Height = 14.90 mm

Surface area = 22.30 × 14.90 = 332.27 mm²

Lumix DC-G9 sensor area

Width = 17.30 mm
Height = 13.00 mm

Surface area = 17.30 × 13.00 = 224.90 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

M6 Mark II pixel pitch

Sensor width = 22.30 mm
Sensor resolution width = 6983 pixels
Pixel pitch =   22.30  × 1000  = 3.19 µm
6983

Lumix DC-G9 pixel pitch

Sensor width = 17.30 mm
Sensor resolution width = 5200 pixels
Pixel pitch =   17.30  × 1000  = 3.33 µm
5200


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

M6 Mark II pixel area

Pixel pitch = 3.19 µm

Pixel area = 3.19² = 10.18 µm²

Lumix DC-G9 pixel area

Pixel pitch = 3.33 µm

Pixel area = 3.33² = 11.09 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

M6 Mark II pixel density

Sensor resolution width = 6983 pixels
Sensor width = 2.23 cm

Pixel density = (6983 / 2.23)² / 1000000 = 9.81 MP/cm²

Lumix DC-G9 pixel density

Sensor resolution width = 5200 pixels
Sensor width = 1.73 cm

Pixel density = (5200 / 1.73)² / 1000000 = 9.03 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

M6 Mark II sensor resolution

Sensor width = 22.30 mm
Sensor height = 14.90 mm
Effective megapixels = 32.50
r = 22.30/14.90 = 1.5
X =  32.50 × 1000000  = 4655
1.5
Resolution horizontal: X × r = 4655 × 1.5 = 6983
Resolution vertical: X = 4655

Sensor resolution = 6983 x 4655

Lumix DC-G9 sensor resolution

Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 20.33
r = 17.30/13.00 = 1.33
X =  20.33 × 1000000  = 3910
1.33
Resolution horizontal: X × r = 3910 × 1.33 = 5200
Resolution vertical: X = 3910

Sensor resolution = 5200 x 3910


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


M6 Mark II crop factor

Sensor diagonal in mm = 26.82 mm
Crop factor =   43.27  = 1.61
26.82

Lumix DC-G9 crop factor

Sensor diagonal in mm = 21.64 mm
Crop factor =   43.27  = 2
21.64

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).

M6 Mark II 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 M6 Mark II, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon M6 Mark II is 1.61

Lumix DC-G9 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 Panasonic Lumix DC-G9, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Panasonic Lumix DC-G9 is 2

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