Sony a7R II vs Canon EOS R100

This is a full comparison between the cameras Sony a7R II and Canon EOS R100. We compare them by looking at the categories you see below.

Manufacturing

Sony a7R II is manufacturered by Sony but Canon EOS R100 is from Canon. Both Sony and Canon are well known brands though.

Sony a7R II were released 2015 and Canon EOS R100 was released 2023. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a7R II 2015
Canon EOS R100 2023

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Sony a7R II has a "Sony Full Frame"-sensor while Canon EOS R100 has a "Canon APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Sony a7R II 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Canon EOS R100 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)
Camera selection can affect the focal length (Canon)

Resolution

Sony a7R II has a 42 MP (Megapixels) resolution while Canon EOS R100 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a7R II 42 MP
42177408 pixels
7952 x 5304
Canon EOS R100 24 MP
24000000 pixels
6000 x 4000

Sony a7R II has a 76 % larger resolution than Canon EOS R100. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Sony a7R II has a larger ISO-range than Canon EOS R100. Sony a7R II has an ISO range that stretches from 100 to 25600 while Canon EOS R100 has 100 to 12800.

Camera ISO Range
Sony a7R II 100-25600
Canon EOS R100 100-12800

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Worth mentioning is that Canon EOS R100 belongs to the Canon EOS R-system and needs an adapter to work with Canons EF, EF-S, MP-E, and TS-E lenses. You can read more about this adapter here:
Canon Lens Mount Adapter EF-EOS R

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a7R II
Lens compatibility chart for Canon EOS R100

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a7R II can shoot up to 5 pictures per seconds and Canon EOS R100 can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Sony a7R II 5
Canon EOS R100 6,5

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a7R II and Canon EOS R100 can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a7R II weighs 625 gr (equal to 1.38 lb) which is 76% heavier than Canon EOS R100 and its 356 gr (or 0.78 lb).

Camera Weight
Sony a7R II 625 gr
1.38 lb
Canon EOS R100 356 gr
0.78 lb

Sony a7R II vs Canon EOS R100 Specs

Below you will find the complete and detailed technical specs for both Sony a7R II and Canon EOS R100, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Sony a7R II
Canon EOS R100
Name Sony a7R II Canon EOS R100
Manufacturer Sony Canon
Release Date and Price
Sony a7R II
Canon EOS R100
Release Year 2015 2023
Release Date 2015-06-10 2023-05-24
MSRP 3199 USD 480 USD
Buy it today
Camera Type
Sony a7R II
Canon EOS R100
Camera Type Mirrorless Mirrorless
Sensor
Sony a7R II
Canon EOS R100
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 22.3 x 14.9 mm)
Sensor Type CMOS CMOS
Resolution 7952 x 5304 pixels 6000 x 4000 pixels
Megapixels 42 MP 24 MP
Image Processor Bionz X DIGIC 8
Image
Sony a7R II
Canon EOS R100
ISO Range 100 - 25600 100 - 12800
White Balance Presets 10 6
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5-axis))
No
Image Stabilization CIPA Rating 4.5 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a7R II
Canon EOS R100
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 399 143
Lens Mount Sony E

See Compatible Lenses
Canon RF

See Compatible Lenses
Focal Length Multiplier Full frame
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
APS-C Sensor
1.6x multiplier
Example:
24 mm becomes 38 mm
50 mm becomes 80 mm
100 mm becomes 160 mm
200 mm becomes 320 mm
Screen & Viewfinder
Sony a7R II
Canon EOS R100
Articulated LCD Tilting Fixed
Screen size 3 3
Screen dots 1228800 1040000
Touch screen No No
Screen type TFT LCD N/A
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78x 0.95 (0.59 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Sony a7R II
Canon EOS R100
Frames per second 5 fps 6,5 fps
Minimum Shutter Speed 30 seconds 1 seconds
Maximum Shutter Speed 1/8000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 2 (at 1/3 EV steps)
Videography features
Sony a7R II
Canon EOS R100
Video recording Yes Yes
Video format MPEG4
XAVC-S
AVCHD
MPEG4
H.264
Video resolution 1440 x 1080
1920 x 1080
3840 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes No
Storage
Sony a7R II
Canon EOS R100
Memory Card Memory Stick Pro Duo
SD/SDHC
SD/SDHC
Connectivity
Sony a7R II
Canon EOS R100
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes No
Wireless Yes
Built-in (802.11b/g/n with NFC)
Yes
Built-In
Remote Control Yes (wired or via smartphone) Yes (via Smartphone, via BR-E1 remote controller)
GPS No No
Body & Dimensions
Sony a7R II
Canon EOS R100
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details NP-FW50 lithium-ion battery and charger
LP-E17
Battery Life (CIPA) 290 shots N/A
Width 127 mm 116 mm
Height 96 mm 86 mm
Depth 60 mm 69 mm
Weight 625 gram 356 gram