What's the absolute best all-around lens for a Sony full-frame setup if you could only pick one to live on your camera? I just pulled the trigger on a new A7IV after saving for literally a year and I'm so excited to finally join the club but honestly I'm drowning in all these reviews. I'm heading to Japan next month for a big two-week trip so I need something that can handle everything from neon streets in Shinjuku to temple landscapes in Kyoto without me having to swap glass every five minutes.
Right now I'm stuck between three main options:
- Sony 24-70mm f2.8 GM II (the dream lens but it's pricey and maybe heavy?)
- Sony 20-70mm f4 G (love that extra wide end for tight streets)
- Sigma 24-70mm f2.8 DG DN II (seems like a better value but is it as sharp?)
My budget is pretty firm at $2300 max for the lens part of my kit. I really want that f2.8 for the night shots but I'm kinda worried about lugging a heavy setup around all day and maybe the f4 with the modern ISO performance is enough? I'm leaning toward the 24-70 GM II because everyone says it's the best but is it really worth twice the price of the Sigma for a hobbyist like me? I dont want to regret the weight halfway through my vacation...
> Sony 20-70mm f4 G (love that extra wide end for tight streets) I was in the exact same boat before my last big trip. I ended up getting the Sony FE 20-70mm f4 G and man, I am so satisfied with that decision. That extra 4mm is a total lifesaver for architecture and tight shrines where you just cant back up anymore. I thought f4 would be a dealbreaker for night shots, but honestly the Sony Alpha 7 IV sensor is so good that I just crank the ISO and it looks clean. No complaints about the weight either, which is huge when youre walking 20k steps a day. If you really want that f2.8 speed without the bulk of the GM, check out the Tamron 28-75mm f2.8 Di III VXD G2. It is way lighter than the Sigma and still gives you that nice background blur. It basically lived on my camera for a month and worked well for everything... plus youll save enough for a lot of ramen.
Congrats on the A7IV! Honestly its such an amazing choice and you are gonna love it in Japan. Since you are worried about weight but still want f2.8, you should seriously look at the Tamron 28-75mm F2.8 Di III VXD G2. It is significantly lighter than the GM II and the image quality is fantastic for a hobbyist budget. Here is a methodical way to spend that $2300 for the trip:
- Use the Tamron 28-75mm F2.8 Di III VXD G2 as your primary all-rounder.
- Add a Sony FE 35mm F1.8 specifically for those low-light Shinjuku nights. The Tamron is basically the sweet spot for travel. It is way easier to carry for 14-hour days in Kyoto! Having that tiny prime for the really dark alleys is a much better strategy than lugging one heavy zoom. You get the best of both worlds and stay way under budget.
I'd suggest being careful about the weight since you'll be walking miles in Japan. While the Sony FE 24-70mm f2.8 GM II is the gold standard, you might want to consider these practical points:
- The Sigma 24-70mm f2.8 DG DN II Art offers nearly identical performance for way less cash.
- The Sony FE 20-70mm f4 G is lighter but youll lose that low light edge. Honestly, the Sigma is the most logical choice.
Just wanted to say thanks for everyone chiming in. Super helpful discussion.
