Canon EOS R7 vs. Nikon D750

Comparison

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EOS R7 image
vs
D750 image
Canon EOS R7 Nikon D750
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Megapixels
32.50
24.30
Max. image resolution
6960 x 4640
6016 x 4016

Sensor

Sensor type
CMOS
CMOS
Sensor size
22.3 x 14.9 mm
35.9 x 24 mm
Sensor resolution
6983 x 4655
6038 x 4025
Diagonal
26.82 mm
43.18 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 : 2.59
(ratio)
Canon EOS R7 Nikon D750
Surface area:
332.27 mm² vs 861.60 mm²
Difference: 529.33 mm² (159%)
D750 sensor is approx. 2.59x bigger than R7 sensor.
Note: You are comparing sensors of very different generations. There is a gap of 8 years between Canon R7 (2022) and Nikon D750 (2014). Eight years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
3.19 µm
5.95 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: 2.76 µm (87%)
Pixel pitch of D750 is approx. 87% higher than pixel pitch of R7.
Pixel area
10.18 µm²
35.4 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: 25.22 µm² (248%)
A pixel on Nikon D750 sensor is approx. 248% bigger than a pixel on Canon R7.
Pixel density
9.81 MP/cm²
2.83 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: 6.98 µm (247%)
Canon R7 has approx. 247% higher pixel density than Nikon D750.
To learn about the accuracy of these numbers, click here.



Specs

Canon R7
Nikon D750
Crop factor
1.61
1
Total megapixels
34.40
24.93
Effective megapixels
32.50
24.30
Optical zoom
 
Digital zoom
No
ISO sensitivity
Auto, 100-32000 (extends to 51200)
Auto, 100-12800 (expands to 50-51200)
RAW
Manual focus
Normal focus range
Macro focus range
Focal length (35mm equiv.)
Aperture priority
Yes
Yes
Max. aperture
Max. aperture (35mm equiv.)
n/a
n/a
Metering
Multi, Center-weighted, Spot, Partial
Multi, Center-weighted, Spot, Highlight-weighted
Exposure compensation
±3 EV (in 1/3 EV, 1/2 EV steps)
±5 EV (in 1/3 EV, 1/2 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
30 sec
Max. shutter speed
1/8000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
Electronic
Optical (pentaprism)
White balance presets
6
12
Screen size
3"
3.2"
Screen resolution
1,620,000 dots
1,228,800 dots
Video capture
Max. video resolution
3840x2160 (60p/​30p/​23.98p)
1920x1080 (60p/50p/30p/25p/24p)
Storage types
SD/SDHC/SDXC, UHS-II
SD/SDHC/SDXC
USB
USB 3.0 (5 GBit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
LP-E6NH lithium-ion battery
EN-EL15 rechargeable Li-ion battery
Weight
612 g
840 g
Dimensions
132 x 90.4 x 91.7 mm
140.5 x 113 x 78 mm
Year
2022
2014




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vs

Diagonal

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

Canon R7 diagonal

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

Nikon D750 diagonal

w = 35.90 mm
h = 24.00 mm
Diagonal =  35.90² + 24.00²   = 43.18 mm


Surface area

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

R7 sensor area

Width = 22.30 mm
Height = 14.90 mm

Surface area = 22.30 × 14.90 = 332.27 mm²

D750 sensor area

Width = 35.90 mm
Height = 24.00 mm

Surface area = 35.90 × 24.00 = 861.60 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

R7 pixel pitch

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

D750 pixel pitch

Sensor width = 35.90 mm
Sensor resolution width = 6038 pixels
Pixel pitch =   35.90  × 1000  = 5.95 µm
6038


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

R7 pixel area

Pixel pitch = 3.19 µm

Pixel area = 3.19² = 10.18 µm²

D750 pixel area

Pixel pitch = 5.95 µm

Pixel area = 5.95² = 35.4 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

R7 pixel density

Sensor resolution width = 6983 pixels
Sensor width = 2.23 cm

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

D750 pixel density

Sensor resolution width = 6038 pixels
Sensor width = 3.59 cm

Pixel density = (6038 / 3.59)² / 1000000 = 2.83 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

R7 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

D750 sensor resolution

Sensor width = 35.90 mm
Sensor height = 24.00 mm
Effective megapixels = 24.30
r = 35.90/24.00 = 1.5
X =  24.30 × 1000000  = 4025
1.5
Resolution horizontal: X × r = 4025 × 1.5 = 6038
Resolution vertical: X = 4025

Sensor resolution = 6038 x 4025


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


R7 crop factor

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

D750 crop factor

Sensor diagonal in mm = 43.18 mm
Crop factor =   43.27  = 1
43.18

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).

R7 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 R7, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon R7 is 1.61

D750 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 Nikon D750, take the aperture of the lens you're using and multiply it with crop factor.

Since crop factor for Nikon D750 is 1, the equivalent aperture is aperture.

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