Canon
EOS R3
Pro 24MP full-frame stacked-sensor body built for sports, news, wildlife, and high-speed hybrid capture.
$5,999
Released Sep 2021
Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Released Jul 2021
EOS R3 is 2 months newer.
Wins
EOS R3
Wins
fp L
3 categories tied
Check current prices
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TL;DR — Key differences
- AEOS R3 has higher AF points / zones (1053 vs 49)
- AEOS R3 has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- AEOS R3 has higher ISO max (native) (102,400 vs 25,600)
- Bfp L has higher Resolution (61 MP vs 24.1 MP)
- AEOS R3 has higher RAW buffer depth (150 frames vs 60 frames)
Key specs at a glance
Size and weight, to scale
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
fp L
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
EOS R3 is 1mm thinner than fp L but it is also 12mm wider and 45mm taller.
EOS R3 is 295 g heavier than fp L.
Depth (front-to-back): 87mm EOS R3 · 88mm fp L
Sensor size, to scale
EOS R3
36 × 24 mm · Full Frame
864 mm² area
fp L
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R3
✓ more lensesCanon RF
105+
native lenses available
fp L: mount data unavailable
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 R3
AF low-light limit
-7.5 EV vs -5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
AF points / zones
1053 vs 49 — higher is better
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
RAW buffer depth
150 frames vs 60 frames — higher is better
EVF resolution
5,760,000 vs 2,360,000 — higher is better
Reasons to choose
fp L
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
Resolution
61 MP vs 24.1 MP — higher is better
Pre-Capture / Pre-Release
Only fp L supports it
Weight
720 g vs 1015 g — lower is better
Battery life (CIPA)
640 shots vs 620 shots — higher is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R3
Pros
- ✓30fps electronic burst from a stacked full-frame sensor
- ✓Exceptional low-light AF down to -7.5 EV
- ✓Integrated pro body with large LP-E19 battery
- ✓6K RAW video and 4K 120p
- ✓Rugged weather-sealed construction
Cons
- –24MP resolution trails higher-detail rivals
- –Large integrated-grip body
- –Expensive compared with enthusiast full-frame bodies
fp L
Pros
- ✓Tiny full-frame
- ✓61MP
- ✓L-mount
- ✓Unique industrial design
Cons
- –No IBIS
- –Small battery
- –Minimal ergonomics
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, EOS R3 or fp L?
EOS R3 scores 9.0/10 versus 6.0/10 for fp L — 6K video for oversampled 4K.
What's the resolution difference between the EOS R3 and fp L?
EOS R3 is 24.1 MP and fp L is 61 MP, so the fp L captures more detail for cropping and large prints.
Do the EOS R3 and fp L have in-body image stabilization?
EOS R3 has 8-stop in-body image stabilization, while fp L has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R3 or the fp L?
EOS R3 reaches 30 fps electronic. fp L reaches 15 fps electronic.
What's the weight difference between the EOS R3 and fp L?
EOS R3 weighs 1015 g and fp L weighs 720 g, so the fp L is 295 g lighter.
Do the EOS R3 and fp L record 4K video?
EOS R3: 6K RAW (max), 4K up to 120p. fp L: 4K up to 60p.
Are the EOS R3 and fp L weather sealed?
EOS R3: Yes. fp L: Yes.
Which has better battery life?
Rated battery life is 620 shots (CIPA) for the EOS R3 and 640 shots for the fp L, giving the fp L the edge.
How much does each cost?
EOS R3 launched at $5,999 and fp L at $2,499. The fp L is $3,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.