HD D FA 24-70mm f/2.8 ED SDM WRvs A1 II
Pentax
HD D FA 24-70mm f/2.8 ED SDM WR (2015)
Starting from £999 new
Best for Wedding, events & documentary photography
View HD D FA 24-70mm f/2.8 ED SDM WR
VS
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?
Wedding, Events & Documentary Photography — HD D FA 24-70mm f/2.8 ED SDM WR (2015): The professional zoom for Pentax DSLR shooters — weather-sealed to the same standard as the K-3 Mark III, with a constant f/2.8 across the full range.
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
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 hd d fa 24-70mm f/2.8 ed sdm wr is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | HD D FA 24-70mm f/2.8 ED SDM WR (2015) | A1 II (2025) |
|---|---|---|
| Price | £999 | £6,500 |
| Sensor | f/2.8 (constant max aperture) | 50.1MP full-frame stacked BSI CMOS |
| Resolution | — | 50.1MP |
| Video | 38cm minimum focus distance | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion |
| Autofocus | SDM (Supersonic Drive Motor) — fast and quiet | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | None (relies on body SR/IBIS) | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | N/A | 30fps electronic (with full AF/AE), 10fps mechanical |
| Battery Life | N/A | ~530 shots (CIPA) |
| Weight | 985g | 743g body only |
| Dimensions | 92mm diameter × 133mm length | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | N/A | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | N/A | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Pentax KF-mount | Sony E-mount (full-frame) |
| Memory Cards | N/A | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | N/A | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
Suitability by genre
| Genre | HD D FA 24-70mm f/2.8 ED SDM WR | A1 II |
|---|---|---|
| Wedding & Events | — | |
| Landscape | ||
| Portrait | ||
| Sports | — | |
| Wildlife | — | |
| Vlogging & Video | — | |
| Travel | — |
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Camera family history