Best Lens Filter for Sigma 24-70mm f/2.8
The Sigma 24-70mm f/2.8 is a legendary workhorse, but its massive 82mm front element is a total magnet for dust, fingerprints, and accidental scratches. Whether you’re shooting a high-stakes wedding or trekking through coastal salt spray, protecting that expensive Art-series glass is non-negotiable. I’ve spent years testing how different coatings affect Sigma’s clinical sharpness. While…