77mm HD Circular Polarising Filtervs A1 II
Hoya
77mm HD Circular Polarising Filter
Starting from £75 new
Best for Landscape, architecture & outdoor photography
View 77mm HD Circular Polarising Filter
Sony
A1 II (2025)
Starting from £6500 new
Best for Professional sports, wildlife & high-resolution studio work
View A1 II
GearScore™ Verdict — Which should you buy?
Landscape, Architecture & Outdoor Photography — 77mm HD Circular Polarising Filter: A CPL filter produces effects that simply cannot be replicated in post. Hoya's HD coating keeps images sharp and flare-free — no quality compromise. The 77mm size fits the most common full-frame standard zoom thread. If you shoot outdoors regularly, a CPL belongs in your kit.
Professional Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
Who should buy what
77mm HD Circular Polarising Filter
- Landscape photographers who want richer skies and reduced reflections on water
- Architecture photographers shooting through glass or in bright sunlight
- Outdoor portrait photographers who want richer, more saturated colours
- Travel photographers shooting in bright, reflective outdoor environments
A1 II (2025)
- Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
- Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
- Photojournalists who need a single body capable of handling every assignment
- Sony system shooters ready to invest in the absolute best
Quick take: The 77mm hd circular polarising filter is the most affordable; only the a1 ii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | 77mm HD Circular Polarising Filter | A1 II (2025) |
|---|---|---|
| Price | £75 | £6,500 |
| Sensor | — | 50.1MP full-frame stacked BSI CMOS |
| Resolution | — | 50.1MP |
| Video | — | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion |
| Autofocus | — | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | — | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | — | 30fps electronic (with full AF/AE), 10fps mechanical |
| Battery Life | — | ~530 shots (CIPA) |
| Weight | 28g | 743g body only |
| Dimensions | 77mm thread × 6mm depth | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | No | Yes |
| Viewfinder | — | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | — | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | 77mm filter thread | Sony E-mount (full-frame) |
| Memory Cards | — | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | — | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
Suitability by genre
| Genre | 77mm HD Circular Polarising Filter | A1 II |
|---|---|---|
| Sports | — | |
| Wildlife | — | |
| Portrait | — | |
| Landscape | — | |
| Vlogging & Video | — | |
| Travel | — |
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