Sigma
BF
Minimalist full-frame L-mount body with large top screen and unique design.
$1,999
Launch priceReleased Apr 2024
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 2.6 years newer.
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Wins
BF
Wins
FP2
2 categories tied
Which would you choose?
TL;DR — Key differences
- ABF has higher Burst (mechanical) (6 fps vs 0 fps)
- ABF has higher IBIS effectiveness (6 stops vs 0 stops)
- BFP2 has higher ISO max (native) (102,400 vs 25,600)
- BFP2 has higher RAW buffer depth (180 frames vs 60 frames)
- ABF has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareBF
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
Credit card
85.6 × 54 mm
for scale
FP2
112 × 71 × 41 mm
460 g (1.01 lb / 16.23 oz)
BF is 26mm wider, 27mm taller, and 47mm thicker than FP2.
BF is 260 g heavier than FP2.
Depth (front-to-back): 88mm BF · 41mm FP2
Back view, to scale
Width × Height — same proportions as the front of the body.
BF
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.
BF
138 × 88 mm
Credit card
85.6 × 54 mm
FP2
112 × 41 mm
Sensor size, to scale
BF
36 × 24 mm · Full Frame
864 mm² area
FP2
35.9 × 23.9 mm · Full Frame
858 mm² area
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
BF
Subject recognition
Adds Human, Animal, Bird…
Burst (mechanical)
6 fps vs 0 fps — higher is better
IBIS effectiveness
6 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
AA filter
Only BF supports it
Pre-Capture / Pre-Release
Only BF supports it
In-body stabilization (IBIS)
Only BF supports it
Reasons to choose
FP2
Subject recognition
Adds Animals, Birds, People
Dimensions (W×H×D mm)
Adds 112, 71, 41
Card types
Adds SD, SDHC, SDXC
ISO max (native)
102,400 vs 25,600 — higher is better
RAW buffer depth
180 frames vs 60 frames — higher is better
Internal RAW video
Only FP2 supports it
Codecs
Adds ProRes RAW, ProRes RAW HQ
Weight
460 g vs 720 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
BF
Pros
- ✓Unique design
- ✓Full-frame
- ✓L-mount
Cons
- –No IBIS
- –Niche ergonomics
- –Limited controls
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 BF and FP2 at major authorized retailers.
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, BF or FP2?
BF scores 8.0/10 versus 5.0/10 for FP2 — Bird AF subject recognition.
What's the resolution difference between the BF and FP2?
BF is 24.2 MP and FP2 is 24.5 MP, so the FP2 captures more detail for cropping and large prints.
Do the BF and FP2 have in-body image stabilization?
BF has 6-stop in-body image stabilization, while FP2 does not have IBIS.
Which shoots faster bursts — the BF or the FP2?
BF reaches 15 fps electronic. FP2 reaches 20 fps electronic.
What's the weight difference between the BF and FP2?
BF weighs 720 g and FP2 weighs 460 g, so the FP2 is 260 g lighter.
Do the BF and FP2 record 4K video?
BF: 4K up to 60p. FP2: 4K up to 59.94p.
Are the BF and FP2 weather sealed?
BF: Yes. FP2: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the BF and 370 shots for the FP2, giving the BF the edge.
How much does each cost?
BF launched at $1,999 and FP2 at $2,199. The BF is $200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way BF vs FP2 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.
Product images courtesy of Sigma press materials.