Sigma fpvs A7R VI
Sigma
Sigma fp (2019)
Starting from £1499 new
Best for Creative filmmakers & experimental photographers
View Sigma fp
Sony
A7R VI (2025)
Starting from £4399 new
Best for Studio, landscape and commercial photographers needing maximum resolution
View A7R VI
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.
Studio, Landscape And Commercial Photographers Needing Maximum Resolution — A7R VI (2025): The A7R VI cements its place as the resolution flagship of the Sony full-frame range — 61MP, AI-driven autofocus, and 8K video make it as capable for video and action work as it is for studio and landscape photography. The price reflects its position at the top of the lineup, but the capability is hard to match.
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
A7R VI (2025)
- Studio and commercial photographers who need maximum resolution for large prints and heavy cropping
- Landscape photographers who want best-in-class dynamic range and detail
- Hybrid shooters who need 8K video alongside a 61MP stills sensor
- Professionals upgrading from the A7R V who want faster AI-driven autofocus
Quick take: The a7r vi has the highest resolution at 61mp; the sigma fp is the most affordable; only the a7r vi is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Sigma fp (2019) | A7R VI (2025) |
|---|---|---|
| Price | £1,499 | £4,399 |
| Sensor | 24.6MP full-frame Bayer CMOS | 61MP full-frame stacked back-illuminated CMOS |
| Resolution | 24.6MP | 61.0MP |
| Video | 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p | 8K 30fps, 4K 120fps oversampled |
| Autofocus | Contrast-detect AF with face/eye detection | AI processing unit — subject recognition for people, animals, birds and vehicles across the frame |
| Stabilisation | None (lens-based only) | In-body 5-axis IS, up to 8.5 stops |
| Burst Rate | 18fps electronic | 8fps mechanical / 7fps electronic with full AF/AE tracking |
| Battery Life | 200 shots (CIPA) | ~530 shots (CIPA, NP-FZ100) |
| Weight | 422g body only | 723g (body with battery and card) |
| Dimensions | 112.6 × 69.9 × 45.3mm | 131.3 × 96.9 × 82.8mm |
| Weather Sealed | No | Yes |
| Viewfinder | None | EVF, 9.44M-dot, up to 120fps |
| Screen | 3.15" fixed touchscreen | 3.2-inch 4-axis multi-angle touchscreen, 3.69M-dot |
| Mount | Leica L-mount | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-II + CFexpress Type B (via adapter) | Dual slots — CFexpress Type A / SD (UHS-II) |
| Connectivity | USB-C 3.1, Wi-Fi, Bluetooth | USB-C (10Gbps), Wi-Fi 6E, Bluetooth 5.0, 2.5GbE |
Suitability by genre
| Genre | Sigma fp | A7R VI |
|---|---|---|
| Vlogging & Video | ||
| Street | ||
| Travel | ||
| Portrait | ||
| Landscape | ||
| Sports & Action | ||
| Wildlife | — | |
| Casual | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with Sigma fp
Camera family history