Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Sigma
BF
Minimalist full-frame L-mount body with large top screen and unique design.
$1,999
Released Apr 2024
BF is 1.4 years newer.
Wins
EOS R6 Mark II
Wins
BF
5 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher AF points / zones (1053 vs 49)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 25,600)
- AEOS R6 Mark II has higher RAW buffer depth (180 frames vs 60 frames)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 15 fps)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 150 Mbps)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
BF
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
EOS R6 Mark II and BF share virtually identical body dimensions.
EOS R6 Mark II is 40 g lighter than BF.
Depth (front-to-back): 88mm EOS R6 Mark II · 88mm BF
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
BF
138 × 98 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
BF
138 × 88 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
BF
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
BF: 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 II
AF low-light limit
-6.5 EV vs -5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
AF points / zones
1053 vs 49 — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
RAW buffer depth
180 frames vs 60 frames — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
Max video bit rate
340 Mbps vs 150 Mbps — higher is better
Reasons to choose
BF
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
EVF magnification
0.78 × vs 0.76 × — higher is better
Both cameras share
- ✓Resolution — Both 24.2 MP
- ✓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
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
BF
Pros
- ✓Unique design
- ✓Full-frame
- ✓L-mount
Cons
- –No IBIS
- –Niche ergonomics
- –Limited controls
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or BF?
EOS R6 Mark II scores 8.5/10 versus 6.0/10 for BF — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and BF?
Both cameras share the same 24.2 MP resolution.
Do the EOS R6 Mark II and BF have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while bF has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the BF?
EOS R6 Mark II reaches 40 fps electronic. BF reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark II and BF?
EOS R6 Mark II weighs 680 g and BF weighs 720 g, so the EOS R6 Mark II is 40 g lighter.
Do the EOS R6 Mark II and BF record 4K video?
EOS R6 Mark II: 4K up to 60p. BF: 4K up to 60p.
Are the EOS R6 Mark II and BF weather sealed?
EOS R6 Mark II: Yes. BF: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 640 shots for the BF, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and BF at $1,999. The BF is $500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sigma press materials.