Sigma
BF
Minimalist full-frame L-mount body with large top screen and unique design.
$1,999
Launch priceReleased Apr 2024
Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Launch priceReleased Jul 2021
BF is 2.8 years newer.
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Wins
BF
Wins
fp L
11 categories tied
Which would you choose?
TL;DR — Key differences
- ABF has higher RAW buffer depth (60 frames vs 12 frames)
- ABF has higher Battery life (CIPA) (640 shots vs 240 shots)
- Bfp L has higher Resolution (61 MP vs 24.2 MP)
- ABF has higher 4K max frame rate (60 fps vs 29.97 fps)
- 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
fp L
113 × 70 × 45 mm
427 g (0.94 lb / 15.06 oz)
BF is 25mm wider, 28mm taller, and 43mm thicker than fp L.
BF is 293 g heavier than fp L.
Depth (front-to-back): 88mm BF · 45mm fp L
Back view, to scale
Width × Height — same proportions as the front of the body.
BF
138 × 98 mm
Credit card
85.6 × 54 mm
fp L
113 × 70 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
fp L
113 × 45 mm
Sensor size, to scale
BF
36 × 24 mm · Full Frame
864 mm² area
fp L
36 × 24 mm · Full Frame
864 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
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
RAW buffer depth
60 frames vs 12 frames — higher is better
Battery life (CIPA)
640 shots vs 240 shots — higher is better
4K max frame rate
60 fps vs 29.97 fps — higher is better
Codecs
Adds H.265
In-body stabilization (IBIS)
Only BF supports it
Card slots
2 vs 1 — higher is better
Reasons to choose
fp L
Dimensions (W×H×D mm)
Adds 112.6, 69.9, 45.3
Card types
Adds SD, SDHC, SDXC
Codecs
Adds CinemaDNG, MOV
Resolution
61 MP vs 24.2 MP — higher is better
Internal RAW video
Only fp L supports it
Weight
427 g vs 720 g — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 25,600
- ✓AF points / zones — Both 49
- ✓AF frame coverage — Both 90 %
- ✓Eye AF — Both support eye af
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
fp L
Pros
- ✓Tiny full-frame
- ✓61MP
- ✓L-mount
- ✓Unique industrial design
Cons
- –No IBIS
- –Small battery
- –Minimal ergonomics
Decided which one is right for you?
Compare live prices for the BF and fp L at major authorized retailers.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, BF or fp L?
BF scores 6.0/10 versus 3.5/10 for fp L — 4K recording.
What's the resolution difference between the BF and fp L?
BF is 24.2 MP and fp L is 61 MP, so the fp L captures more detail for cropping and large prints.
Do the BF and fp L have in-body image stabilization?
BF has 6-stop in-body image stabilization, while fp L does not have IBIS.
Which shoots faster bursts — the BF or the fp L?
BF reaches 15 fps electronic. fp L reaches 10 fps electronic.
What's the weight difference between the BF and fp L?
BF weighs 720 g and fp L weighs 427 g, so the fp L is 293 g lighter.
Do the BF and fp L record 4K video?
BF: 4K up to 60p. fp L: 4K up to 29.97p.
Are the BF and fp L weather sealed?
BF: Yes. fp L: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the BF and 240 shots for the fp L, giving the BF the edge.
How much does each cost?
BF launched at $1,999 and fp L at $2,499. The BF is $500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way BF vs fp L vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sigma press materials.