Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Launch priceReleased Jul 2021
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Alpha 1 II is 3.4 years newer.
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Wins
fp L
Wins
Alpha 1 II
2 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 12 frames)
- BAlpha 1 II has higher AF points / zones (759 vs 49)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 29.97 fps)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 2,360,000)
- BAlpha 1 II has higher Burst (electronic) (30 fps vs 10 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
fp L
113 × 70 × 45 mm
427 g (0.94 lb / 15.06 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
fp L is 24mm narrower, 27mm shorter, and 38mm thinner than Alpha 1 II.
fp L is 316 g lighter than Alpha 1 II.
Depth (front-to-back): 45mm fp L · 83mm Alpha 1 II
Back view, to scale
Width × Height — same proportions as the front of the body.
fp L
113 × 70 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
fp L
113 × 45 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 83 mm
Sensor size, to scale
fp L
36 × 24 mm · Full Frame
864 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
fp L: mount data unavailable
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
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
fp L
AF low-light limit
-5 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 112.6, 69.9, 45.3
Card types
Adds SD, SDHC, SDXC
Codecs
Adds CinemaDNG, MOV
Weight
427 g vs 743 g — lower is better
Subject recognition
Adds Vehicle
Resolution
61 MP vs 50.1 MP — higher is better
Reasons to choose
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
RAW buffer depth
200 frames vs 12 frames — higher is better
AF points / zones
759 vs 49 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
4K max frame rate
120 fps vs 29.97 fps — higher is better
EVF resolution
9,437,184 vs 2,360,000 — higher is better
Burst (electronic)
30 fps vs 10 fps — higher is better
Both cameras share
- ✓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
- ✓Max video bit rate — Both 150 Mbps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
fp L
Pros
- ✓Tiny full-frame
- ✓61MP
- ✓L-mount
- ✓Unique industrial design
Cons
- –No IBIS
- –Small battery
- –Minimal ergonomics
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the fp L and Alpha 1 II at major authorized retailers.
Sigma fp L
Sony Alpha 1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, fp L or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 3.5/10 for fp L — 8K recording for future-proof footage.
What's the resolution difference between the fp L and Alpha 1 II?
fp L is 61 MP and Alpha 1 II is 50.1 MP, so the fp L captures more detail for cropping and large prints.
Do the fp L and Alpha 1 II have in-body image stabilization?
fp L does not have IBIS, while Alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the fp L or the Alpha 1 II?
fp L reaches 10 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the fp L and Alpha 1 II?
fp L weighs 427 g and Alpha 1 II weighs 743 g, so the fp L is 316 g lighter.
Do the fp L and Alpha 1 II record 4K video?
fp L: 4K up to 29.97p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the fp L and Alpha 1 II weather sealed?
fp L: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 240 shots (CIPA) for the fp L and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
fp L launched at $2,499 and Alpha 1 II at $6,499. The fp L is $4,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way fp L vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sigma and Sony press materials.