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
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
FP2 is 2 years newer.
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.
Wins
FP2
Wins
Alpha 1 II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 1 II has higher Burst (mechanical) (10 fps vs 0 fps)
- BAlpha 1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AFP2 has higher ISO max (native) (102,400 vs 32,000)
- BAlpha 1 II has higher Resolution (50.1 MP vs 24.5 MP)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 59.94 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
FP2
112 × 71 × 41 mm
460 g (1.01 lb / 16.23 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
FP2 is 24mm narrower, 26mm shorter, and 42mm thinner than Alpha 1 II.
FP2 is 283 g lighter than Alpha 1 II.
Depth (front-to-back): 41mm FP2 · 83mm Alpha 1 II
Back view, to scale
Width × Height — same proportions as the front of the body.
FP2
112 × 71 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.
FP2
112 × 41 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 83 mm
Sensor size, to scale
FP2
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
FP2: 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
FP2
AF low-light limit
-5 EV vs -4 EV — lower is better
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 32,000 — higher is better
Codecs
Adds ProRes RAW, ProRes RAW HQ
Weight
460 g vs 743 g — lower is better
Reasons to choose
Alpha 1 II
Subject recognition
Adds Human, Animal, Bird…
Burst (mechanical)
10 fps vs 0 fps — higher is better
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Resolution
50.1 MP vs 24.5 MP — higher is better
4K max frame rate
120 fps vs 59.94 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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)
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 FP2 and Alpha 1 II at major authorized retailers.
Sony Alpha 1 II
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 sports, FP2 or Alpha 1 II?
Alpha 1 II scores 10.0/10 versus 4.0/10 for FP2 — 30fps burst — pro-level action capture.
What's the resolution difference between the FP2 and Alpha 1 II?
FP2 is 24.5 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the FP2 and Alpha 1 II have in-body image stabilization?
FP2 does not have IBIS, while Alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the FP2 or the Alpha 1 II?
FP2 reaches 20 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the FP2 and Alpha 1 II?
FP2 weighs 460 g and Alpha 1 II weighs 743 g, so the FP2 is 283 g lighter.
Do the FP2 and Alpha 1 II record 4K video?
FP2: 4K up to 59.94p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the FP2 and Alpha 1 II weather sealed?
FP2: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the FP2 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
FP2 launched at $2,199 and Alpha 1 II at $6,499. The FP2 is $4,300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way FP2 vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.
Product images courtesy of Sigma and Sony press materials.