Canon
EOS R6 Mark III
Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.
$2,799
Launch priceReleased Nov 2025
Sigma
FP2
Pocket-sized L-Mount full-frame body with a 24.5MP partially stacked sensor, 20fps stills, 6K OpenGate / ProRes RAW video, 70GB internal storage, and a Still/Cine mode switch.
$2,199
Launch priceReleased Nov 2026
FP2 is 1 year newer.
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Wins
EOS R6 Mark III
Wins
FP2
1 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark III has higher Burst (mechanical) (12 fps vs 0 fps)
- AEOS R6 Mark III has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AEOS R6 Mark III has higher 4K max frame rate (120 fps vs 59.94 fps)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 20 fps)
- AEOS R6 Mark III has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
Credit card
85.6 × 54 mm
for scale
FP2
112 × 71 × 41 mm
460 g (1.01 lb / 16.23 oz)
EOS R6 Mark III is 26mm wider, 27mm taller, and 47mm thicker than FP2.
EOS R6 Mark III is 239 g heavier than FP2.
Depth (front-to-back): 88mm EOS R6 Mark III · 41mm FP2
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
Credit card
85.6 × 54 mm
FP2
112 × 71 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark III
138 × 88 mm
Credit card
85.6 × 54 mm
FP2
112 × 41 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
FP2
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark III
✓ more lensesCanon RF
105+
native lenses available
FP2: 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 R6 Mark III
AF low-light limit
-6.5 EV vs -5 EV — lower is better
Burst (mechanical)
12 fps vs 0 fps — higher is better
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds CFexpress Type B, SD UHS-II
Subject recognition
Adds Dogs, Cats, Horses…
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
4K max frame rate
120 fps vs 59.94 fps — higher is better
Reasons to choose
FP2
Dimensions (W×H×D mm)
Adds 112, 71, 41
Card types
Adds SD, SDHC, SDXC
Codecs
Adds ProRes RAW, ProRes RAW HQ
ISO max (native)
102,400 vs 64,000 — higher is better
Weight
460 g vs 699 g — lower is better
Subject recognition
Adds Animals
RAW buffer depth
180 frames vs 150 frames — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark III
Pros
- ✓32.5MP full-frame sensor
- ✓7K RAW video & 4K 120p
- ✓40fps electronic burst with Pre-Continuous
- ✓8.5-stop IBIS
Cons
- –Single CFexpress Type B + SD slot
- –Smaller LCD than R5 II
- –LP-E6P required for full features
FP2
Pros
- ✓World's smallest full-frame body (376g body only)
- ✓24.5MP partially stacked sensor, 20fps electronic burst
- ✓6K OpenGate + ProRes RAW HQ, L-Log, 32-bit float audio
- ✓70GB internal storage + SD UHS-II + USB SSD
- ✓Tilting 3.15" LCD, dust/splash resistant, modular EVF-21
Cons
- –No in-body image stabilization (EIS in video only)
- –No built-in EVF — optional EVF-21 sold separately
- –Electronic shutter only
- –No headphone jack (USB audio only)
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and FP2 at major authorized retailers.
Canon EOS R6 Mark III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark III or FP2?
EOS R6 Mark III scores 10.0/10 versus 4.0/10 for FP2 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark III and FP2?
EOS R6 Mark III is 32.5 MP and FP2 is 24.5 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and FP2 have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while FP2 does not have IBIS.
Which shoots faster bursts — the EOS R6 Mark III or the FP2?
EOS R6 Mark III reaches 40 fps electronic. FP2 reaches 20 fps electronic.
What's the weight difference between the EOS R6 Mark III and FP2?
EOS R6 Mark III weighs 699 g and FP2 weighs 460 g, so the FP2 is 239 g lighter.
Do the EOS R6 Mark III and FP2 record 4K video?
EOS R6 Mark III: 4K up to 120p. FP2: 4K up to 59.94p.
Are the EOS R6 Mark III and FP2 weather sealed?
EOS R6 Mark III: Yes. FP2: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 370 shots for the FP2, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and FP2 at $2,199. The FP2 is $600 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark III vs FP2 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.
Product images courtesy of Canon and Sigma press materials.