Sigma
BF
Minimalist full-frame L-mount body with large top screen and unique design.
$1,999
Launch priceReleased Apr 2024
Sigma
sd Quattro
Foveon APS-C body delivering exceptional per-pixel detail for stills purists.
$999
Launch priceReleased Feb 2016
BF is 8.2 years newer.
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Wins
BF
Wins
sd Quattro
11 categories tied
Which would you choose?
TL;DR — Key differences
- ABF has higher AF points / zones (49 vs 9)
- ABF has higher ISO max (native) (25,600 vs 6,400)
- ABF has higher Card slots (2 vs 1)
- Bsd Quattro has higher EVF magnification (1.09 × vs 0.78 ×)
- Bsd Quattro has higher Resolution (29 MP vs 24.2 MP)
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
sd Quattro
147 × 95 × 91 mm
625 g (1.38 lb / 22.05 oz)
BF is 9mm narrower and 3mm thinner than sd Quattro but it is also 3mm taller.
BF is 95 g heavier than sd Quattro.
Depth (front-to-back): 88mm BF · 91mm sd Quattro
Back view, to scale
Width × Height — same proportions as the front of the body.
BF
138 × 98 mm
Credit card
85.6 × 54 mm
sd Quattro
147 × 95 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
sd Quattro
147 × 91 mm
Sensor size, to scale
BF
36 × 24 mm · Full Frame
864 mm² area
sd Quattro
23.5 × 15.5 mm · APS-C
364 mm² area
2.4× larger sensor area = shallower depth of field and better low-light performance.
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
AF low-light limit
-5 EV vs -1 EV — lower is better
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
AF points / zones
49 vs 9 — higher is better
ISO max (native)
25,600 vs 6,400 — higher is better
AA filter
Only BF supports it
Card slots
2 vs 1 — higher is better
Wi-Fi
Only BF supports it
Reasons to choose
sd Quattro
Dimensions (W×H×D mm)
Adds 147, 95.1, 90.8
Card types
Adds SD, SDHC, SDXC
EVF magnification
1.09 × vs 0.78 × — higher is better
Resolution
29 MP vs 24.2 MP — higher is better
Weight
625 g vs 720 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 90 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 6 fps
- ✓Burst (electronic) — Both 15 fps
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
sd Quattro
Pros
- ✓Unique Foveon color
- ✓High acutance
- ✓Distinct rendering
Cons
- –Slow
- –Poor high ISO
- –SA mount limited
Decided which one is right for you?
Compare live prices for the BF and sd Quattro at major authorized retailers.
Sigma sd Quattro
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, BF or sd Quattro?
BF scores 7.0/10 versus 4.0/10 for sd Quattro — Full-frame sensor — wider dynamic range.
What's the resolution difference between the BF and sd Quattro?
BF is 24.2 MP and sd Quattro is 29 MP, so the sd Quattro captures more detail for cropping and large prints.
Do the BF and sd Quattro have in-body image stabilization?
BF has 6-stop in-body image stabilization, while sd Quattro has 6-stop in-body image stabilization.
Which shoots faster bursts — the BF or the sd Quattro?
BF reaches 15 fps electronic. sd Quattro reaches 15 fps electronic.
What's the weight difference between the BF and sd Quattro?
BF weighs 720 g and sd Quattro weighs 625 g, so the sd Quattro is 95 g lighter.
Do the BF and sd Quattro record 4K video?
BF: 4K up to 60p. sd Quattro: 4K up to 60p.
Are the BF and sd Quattro weather sealed?
BF: Yes. sd Quattro: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the BF and 640 shots for the sd Quattro, giving the sd Quattro the edge.
How much does each cost?
BF launched at $1,999 and sd Quattro at $999. The sd Quattro is $1,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way BF vs sd Quattro vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sigma press materials.