Sigma 28-70mm f/2.8 DG DN Contemporary 鏡頭 - L-Mount

The autofocus is snappy and quiet, which really helps when I'm shooting candids at family gatherings. The constant f/2.8 aperture gives me consistent exposure through the whole zoom range, a huge plus for quick adjustments. I've already left it on my camera as my go-to walkaround lens.

I was worried about the weight after carrying my old 24-70 around for years, but this thing is genuinely light enough for a full day of street shooting. The f/2.8 aperture held up beautifully in low light, and the single focusing element makes manual override feel buttery smooth. It’s become my defa

Autofocus is snappy and silent on my camera, and the zoom ring has just the right amount of resistance. It's been great for handheld walkaround photography since the whole setup stays balanced and light.