Sigma 28-45mm F1.8 DG DN Art 全片幅鏡頭 適用於 Sony E接環

I've been waiting years for a zoom that doesn't force me to switch primes when the light drops, and this thing delivers—I shot a whole wedding rehearsal indoors at f1.8 without breaking a sweat. The constant aperture across 28-45mm means my exposure settings stay locked while I zoom, which is a huge

I've been shooting handheld in dim churches and street scenes all week, and the fact that I can zoom from 28 to 45mm without losing that bright f1.8 the whole way is seriously liberating. The constant aperture means my exposure stays locked while I'm framing, which has saved me from fiddling with se

The constant F1.8 aperture across the zoom range is a game-changer for low-light event shooting, though the lens is a bit heavier than I’d like for all-day carry. It’s sharp and the build feels solid, so I’m happy with the upgrade.