Sigma fpvs A1
Sigma
Sigma fp (2019)
Starting from £1499 new
Best for Creative filmmakers & experimental photographers
View Sigma fp
VS
Sony
A1 (2021)
Starting from £5999 new
Best for Professional sport, wildlife, portrait & hybrid shooting
View A1
GearScore™ Verdict — Which should you buy?
Creative Filmmakers & Experimental Photographers — Sigma fp (2019): The smallest full-frame camera in the world — Cinema DNG RAW and L-mount flexibility in a pocket-sized body that rewards creative shooters.
Professional Sport, Wildlife, Portrait & Hybrid Shooting — A1 (2021): 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.
Who should buy what
Sigma fp (2019)
- Filmmakers who want the world's smallest full-frame camera as a B or C camera
- Experimental photographers who want to build a unique, modular setup
- L-mount photographers who want an ultra-compact full-frame body
- Anyone who wants a conversation-starting camera that delivers serious results
A1 (2021)
- Professional photographers who need resolution and speed without compromise
- Sports and wildlife photographers demanding the absolute fastest Sony
- Studio and fashion photographers who also shoot sport or events
- A9 III or A7R V owners who want a single body that does everything
Quick take: The a1 has the highest resolution at 50mp; the sigma fp is the most affordable; only the a1 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Sigma fp (2019) | A1 (2021) |
|---|---|---|
| Price | £1,499 | £5,999 |
| Sensor | 24.6MP full-frame Bayer CMOS | 50.1MP Full-Frame Stacked BSI CMOS Exmor RS |
| Resolution | 24.6MP | 50.1MP |
| Video | 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p | 8K/30p, 4K/120p, 1080p/240p |
| Autofocus | Contrast-detect AF with face/eye detection | Real-time Tracking, AI subject recognition — 759 phase-detect points |
| Stabilisation | None (lens-based only) | IBIS — up to 5.5 stops |
| Burst Rate | 18fps electronic | 30fps electronic with full AF/AE |
| Battery Life | 200 shots (CIPA) | ~430 shots (CIPA) |
| Weight | 422g body only | 737g (with battery) |
| Dimensions | 112.6 × 69.9 × 45.3mm | 128.9 × 96.9 × 80.8mm |
| Weather Sealed | No | Yes |
| Viewfinder | None | EVF, 9.44M dots, 0.90× magnification, 240fps |
| Screen | 3.15" fixed touchscreen | 3.0" fully tilting touchscreen |
| Mount | Leica L-mount | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-II + CFexpress Type B (via adapter) | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C 3.1, Wi-Fi, Bluetooth | USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI |
Suitability by genre
| Genre | Sigma fp | A1 |
|---|---|---|
| Vlogging & Video | ||
| Street | — | |
| Travel | — | |
| Portrait | ||
| Landscape | ||
| Sports & Action | — | |
| Sports | — | |
| Wildlife | — | |
| Wedding | — |
More comparisons with Sigma fp
Camera family history