Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
Launch priceReleased Jul 2024
Canon
EOS Ra
Astrophotography full-frame RF body with Ha-filter enhancement for nebula and deep-sky imaging.
$2,499
Launch priceReleased Nov 2019
EOS R1 is 4.7 years newer.
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Wins
EOS R1
Wins
EOS Ra
4 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R1 has higher ISO max (native) (102,400 vs 25,600)
- AEOS R1 has higher EVF resolution (9,440,000 vs 2,360,000)
- AEOS R1 has higher Burst (electronic) (40 fps vs 15 fps)
- AEOS R1 has higher Battery life (CIPA) (1330 shots vs 640 shots)
- AEOS R1 has higher Burst (mechanical) (12 fps vs 6 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R1
158 × 150 × 87 mm
920 g (2.03 lb / 32.45 oz)
Credit card
85.6 × 54 mm
for scale
EOS Ra
136 × 98 × 84 mm
660 g (1.46 lb / 23.28 oz)
EOS R1 is 22mm wider, 51mm taller, and 3mm thicker than EOS Ra.
EOS R1 is 260 g heavier than EOS Ra.
Depth (front-to-back): 87mm EOS R1 · 84mm EOS Ra
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
Credit card
85.6 × 54 mm
EOS Ra
136 × 98 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
Credit card
85.6 × 54 mm
EOS Ra
136 × 84 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
EOS Ra
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
EOS Ra
✓ more lensesCanon RF
105+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
EOS R1
AF low-light limit
-7.5 EV vs -6.5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
ISO max (native)
102,400 vs 25,600 — higher is better
EVF resolution
9,440,000 vs 2,360,000 — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
Reasons to choose
EOS Ra
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 135.8, 98.3, 84.4
Card types
Adds SD UHS-II
Weight
660 g vs 920 g — lower is better
Resolution
30.3 MP vs 24.2 MP — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
EOS Ra
Pros
- ✓Ha-filter enhanced
- ✓30MP full-frame
- ✓RF mount
- ✓Built for astro
Cons
- –Niche use case
- –Not ideal for general photography
- –Discontinued
Decided which one is right for you?
Compare live prices for the EOS R1 and EOS Ra at major authorized retailers.
Canon EOS R1
Canon EOS Ra
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, EOS R1 or EOS Ra?
EOS R1 scores 9.0/10 versus 6.0/10 for EOS Ra — 6K video for oversampled 4K.
What's the resolution difference between the EOS R1 and EOS Ra?
EOS R1 is 24.2 MP and EOS Ra is 30.3 MP, so the EOS Ra captures more detail for cropping and large prints.
Do the EOS R1 and EOS Ra have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while EOS Ra has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the EOS Ra?
EOS R1 reaches 40 fps electronic. EOS Ra reaches 15 fps electronic.
What's the weight difference between the EOS R1 and EOS Ra?
EOS R1 weighs 920 g and EOS Ra weighs 660 g, so the EOS Ra is 260 g lighter.
Do the EOS R1 and EOS Ra record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. EOS Ra: 4K up to 60p.
Are the EOS R1 and EOS Ra weather sealed?
EOS R1: Yes. EOS Ra: Yes.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 640 shots for the EOS Ra, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and EOS Ra at $2,499. The EOS Ra is $3,800 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs EOS Ra vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon press materials.