Sony 24-105mm f/4 vs Sigma 28-105mm f/2.8: Which Sony Zoom Actually Wins?

Sony 24-105mm f/4 vs Sigma 28-105mm f/2.8: Which Sony Zoom Actually Wins?

There’s a question I see constantly in Sony shooter communities: do you go with the lighter, more affordable Sony 24-105mm f/4 G OSS, or do you pay up for the beefier Sigma 28-105mm f/2.8? I’ve been watching this debate heat up ever since the Sigma hit the market, and I wanted a comparison grounded in actual test data rather than spec-sheet opinions. That’s exactly what I found in this Tony & Chelsea Northrup tutorial, which puts both lenses through sharpness tests, backlit portrait scenarios, and a real-world usability comparison.

Sigma Lens Sale: Real Value for Photographers Who Skip the Brand Tax

Sigma Lens Sale: Real Value for Photographers Who Skip the Brand Tax

Sigma Lens Sale: Real Value for Photographers Who Skip the Brand Tax Look, I’m going to be straight with you: Sigma doesn’t get the hype that Canon and Nikon do. But that’s exactly why their deals matter. I’ve tested enough Sigma glass over the years to know they’re not the budget alternative—they’re the smart alternative. Their Contemporary and Art series lenses consistently deliver optical performance that matches or beats first-party options, often at 30-50% less money.