When Sony dropped the 28-70mm f/2 G Master, I was intrigued. A constant f/2 zoom with G Master optics? Lighter than the 24-70mm GM II? Sign me up.


So, I decided to take it into the trenches—aka a full wedding day—to see if it could truly be the ultimate all-rounder. And, spoiler: this lens is ridiculously good. Sharp, fast, and flexible in a way that makes you question why we ever bother carrying multiple lenses.


But here’s the thing… by the end of the day, I found myself shooting either at 28mm or at 70mm. And it got me thinking—have I trained my brain to need the creative restriction of primes? Or am I just making my life harder for the sake of it?

The Case for the 28-70mm f/2 GM: Wedding Photographer’s Dream?


Let’s start with the good stuff, because there’s a lot to love about this lens.


✔ That f/2 Aperture – Weddings are full of tricky lighting—dimly lit ceremonies, evening receptions where fairy lights do all the heavy lifting, and venues that seem to have banned daylight entirely. f/2 gives you that extra light-gathering ability over an f/2.8 zoom, which means cleaner files and better background separation.


✔ Autofocus is Lightning Fast – Sony’s AF is already class-leading, but this lens sticks to your subjects like glue. It locked onto moving couples, teary-eyed speeches, and chaotic dance floor action without breaking a sweat.


✔ G Master Image Quality – Sony doesn’t mess around with GM lenses. This thing is sharp across the frame, even at f/2. Colours are gorgeous, contrast is punchy but natural, and the bokeh? Chef’s kiss.


✔ Size & Weight – It’s not a featherweight, but it’s noticeably more manageable than the 24-70mm GM II. After 12 hours on the job, my wrists weren’t screaming at me, which is a win in itself.


On paper, this lens does everything. Wide enough for storytelling, tight enough for flattering portraits, fast enough for low-light, and sharp enough to rival primes.


So why did I feel… kind of weird about it?

The Prime Shooter’s Dilemma: Too Much Freedom?


Here’s where things got interesting. I caught myself instinctively twisting the zoom ring and always landing at either 28mm or 70mm.


Not 35mm. Not 50mm. Just the extremes.


At first, I thought, Great, this gives me the best of both worlds! But by the end of the day, I had to ask myself: Am I actually using this lens to its full potential? Or have I just hardwired my brain to work in prime focal lengths?


With primes, you commit. You see in 35mm, 50mm, 85mm. You physically move to compose the shot. That limitation forces intentionality—you don’t second-guess, you just shoot.


With the 28-70mm, I had all the flexibility in the world… but instead of feeling free, I felt like I was floating somewhere between two worlds.

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Final Thoughts: Will I Keep Using It?


100% yes. This lens is too good to ignore. For wedding photographers who don’t want to switch lenses all day, it’s an incredible solution.


But I’ll probably still reach for my primes when I want to work intuitively. For me, it’s less about gear and more about mindset—do I need the restriction of primes to create at my best, or do I just think I do?


Either way, the Sony 28-70mm f/2 GM is a monster of a lens, and if you’re a wedding photographer looking for an all-in-one solution, this might just be the one.