Canon EOS 100D vs Canon EOS Ra

This is a full comparison between the cameras Canon EOS 100D and Canon EOS Ra. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Canon EOS 100D were released 2013 and Canon EOS Ra was released 2018. That is a 5 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS 100D 2013
Canon EOS Ra 2018

Type of camera

Canon EOS 100D is a DSLR camera while Canon EOS Ra is a Mirrorless camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Canon EOS 100D has a "Canon APS-C"-sensor while Canon EOS Ra has a "Canon Full Frame"-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 **
Canon EOS 100D 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Canon EOS Ra 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** 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 (Canon)

Resolution

Canon EOS 100D has a 18 MP (Megapixels) resolution while Canon EOS Ra has 30 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS 100D 18 MP
17915904 pixels
5184 x 3456
Canon EOS Ra 30 MP
30105600 pixels
6720 x 4480

Canon EOS Ra has a 68 % larger resolution than Canon EOS 100D. 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

Canon EOS Ra has a larger ISO-range than Canon EOS 100D. Canon EOS Ra has an ISO range that stretches from 100 to 40000 while Canon EOS 100D has 100 to 12800.

Camera ISO Range
Canon EOS 100D 100-12800
Canon EOS Ra 100-40000

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 Ra 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 Canon EOS 100D
Lens compatibility chart for Canon EOS Ra

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS 100D can shoot up to 4 pictures per seconds and Canon EOS Ra can shoot up to 8 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 100D 4
Canon EOS Ra 8

Ability to record movies

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

In this case, both Canon EOS 100D and Canon EOS Ra 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.

Canon EOS Ra weighs 660 gr (equal to 1.46 lb) which is 62% heavier than Canon EOS 100D and its 407 gr (or 0.9 lb).

Camera Weight
Canon EOS 100D 407 gr
0.9 lb
Canon EOS Ra 660 gr
1.46 lb

Canon EOS 100D vs Canon EOS Ra Specs

Below you will find the complete and detailed technical specs for both Canon EOS 100D and Canon EOS Ra, 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
Canon EOS 100D
Canon EOS Ra
Name Canon EOS 100D Canon EOS Ra
Manufacturer Canon Canon
Release Date and Price
Canon EOS 100D
Canon EOS Ra
Release Year 2013 2018
Release Date 2013-03-21 2018-11-05
MSRP 799 USD 2499 USD
Buy it today
Camera Type
Canon EOS 100D
Canon EOS Ra
Camera Type DSLR Mirrorless
Sensor
Canon EOS 100D
Canon EOS Ra
Sensor Size APS-C (approx 22.3 x 14.9 mm) Full Frame (approx 36 x 24 mm)
Sensor Type CMOS CMOS
Resolution 5184 x 3456 pixels 6720 x 4480 pixels
Megapixels 18 MP 30 MP
Image Processor DIGIC 5 DIGIC 8
Image
Canon EOS 100D
Canon EOS Ra
ISO Range 100 - 12800 100 - 40000
White Balance Presets 6 6
Custom White Balance Yes Yes
Image Stabilization No No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Canon EOS 100D
Canon EOS Ra
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Focus Points 7 5655
Lens Mount Canon EF
Canon EF-S

See Compatible Lenses
Canon RF

See Compatible Lenses
Focal Length Multiplier 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
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
Screen & Viewfinder
Canon EOS 100D
Canon EOS Ra
Articulated LCD Fixed Fully articulated
Screen size 3” 3.2”
Screen dots 1040000 2100000
Touch screen Yes Yes
Screen type N/A TFT LCD
Live view Yes Yes
Viewfinder Type Optical (pentamirror) Electronic
Viewfinder Coverage 95% 100%
Viewfinder Magnification 0.87× 0.76×
Viewfinder Resolution 0 3690000
Photography features
Canon EOS 100D
Canon EOS Ra
Frames per second 4 fps 8 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes No
Built-in Flash Range 9 meters N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No No
Metering modes Multi
Center Weighted
Spot
Partial
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 3 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS 100D
Canon EOS Ra
Video recording Yes Yes
Video format MPEG4
H.264
MPEG4
H.264
Video resolution 1280 x 720
1280 x 720
1920 x 1080
3840 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Canon EOS 100D
Canon EOS Ra
Memory Card SD/SDHC
SD/SDHC
Connectivity
Canon EOS 100D
Canon EOS Ra
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port No Yes
Wireless Yes
Eye-Fi Connected
Yes
Built-in (802.11b/g/n + Bluetooth 4.1 LE)
Remote Control Yes (RC-6)
Yes (via smartphone)
GPS Yes
Optional
No
Body & Dimensions
Canon EOS 100D
Canon EOS Ra
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion LP-E12 rechargeable battery & charger
LP-E6N lithium-ion battery & charger
Battery Life (CIPA) 380 shots 370 shots
Width 117 mm 136 mm
Height 91 mm 98 mm
Depth 69 mm 84 mm
Weight 407 gram 660 gram