Best Variable ND Filter for Sony FE 24-70mm f/2.8 GM II
The Sony FE 24-70mm f/2.8 GM II is a masterpiece of optical engineering, but shooting wide open at f/2.8 in broad daylight is impossible without the right glass in front of it. Whether you are a filmmaker chasing the 180-degree shutter rule or a landscape photographer smoothing out waterfalls, choosing the wrong Variable ND can ruin your $2,300 lens’s sharpness. After extensive field testing, I’ve found the PolarPro Signature Edition II to be the gold standard for this specific lens.
Our Top Picks at a Glance
Best Variable ND Filter for Sony FE 24-70mm f/2.8 GM II: Detailed Reviews
PolarPro Peter McKinnon Edition II (2-5 Stop) View on Amazon View on B&H
If you have invested in the Sony GM II, you shouldn’t compromise on glass. The PolarPro Signature Edition II is the most seamless experience I’ve had with an 82mm filter. The standout feature is the haptic feedback; as you rotate the filter, you feel a subtle click at each stop. This allows you to change exposure without taking your eye off the viewfinder. On the 24-70mm GM II, there is zero vignetting at 24mm, and the color remains remarkably neutral with no magenta shift. The “Defender360” cover is also a genius bit of kit, providing rugged protection when the lens is in your bag. My only gripe is the price, but for a professional workflow where speed and color accuracy are paramount, it is worth every penny. It feels as premium as the lens it sits on.
Check Price on Amazon US, UK, CA, DE → Check Price on B&H
✓ Free Shipping · ✓ Easy Returns · ✓ Secure Checkout
NiSi True Color VND (1-5 Stop) View on Amazon View on B&H
The NiSi True Color VND lives up to its name. Many variable NDs introduce a warm or yellowish tint, but NiSi has managed to keep the 82mm thread version incredibly neutral. For the Sony 24-70mm GM II, which is known for its clinical and accurate color rendering, this filter is a perfect match. It includes a small, removable silver lever that makes smooth exposure transitions during video recording a breeze. While it doesn’t have the hard “clicks” of the PolarPro, it does have hard stops, which prevents the dreaded “X-pattern” cross-polarization. One thing to note: because the front element of the filter is slightly larger than 82mm to prevent vignetting, you won’t be able to use your standard Sony lens hood. However, NiSi includes a dedicated lens cap that fits over the filter, which is a thoughtful touch for value-conscious shooters.
Check Price on Amazon US, UK, CA, DE → Check Price on B&H
✓ Free Shipping · ✓ Easy Returns · ✓ Secure Checkout
K&F Concept Nano-X Series (ND2-ND32) View on Amazon View on B&H
If you’ve just spent your savings on the Sony 24-70mm GM II and need a reliable VND without breaking the bank, the K&F Concept Nano-X is surprisingly capable. I’ve used many budget filters that turned my images into mush, but the Nano-X maintains a high level of sharpness. The 82mm version features hard stops, ensuring you don’t rotate into the “danger zone” of the X-pattern. While there is a very slight color shift toward the cooler side, it is easily corrected in post-processing. The build quality is decent, though the rotation isn’t as buttery smooth as the more expensive options. It’s a workhorse filter that does 90% of what the premium brands do at a fraction of the cost. Just be careful with flares, as the coatings aren’t quite as effective as PolarPro’s glass when shooting directly into the sun.
Check Price on Amazon US, UK, CA, DE → Check Price on B&H
✓ Free Shipping · ✓ Easy Returns · ✓ Secure Checkout
Freewell Magnetic VND Filter System View on Amazon View on B&H
The Freewell Magnetic VND is a game-changer for speed. Instead of fumbling with 82mm threads while your subject waits, you screw on the base ring once and magnetically snap the filters on or off. This kit is incredibly versatile, often including a Mist component to give your Sony GM II footage a more cinematic, bloomed look. The optical quality is top-tier, rivaling PolarPro in clarity. I particularly love how the magnetic system allows you to switch from a 2-5 stop to a 6-9 stop in seconds. The magnets are remarkably strong; I’ve hiked through brush with this on my lens and never felt it was at risk of falling off. It’s a premium ecosystem that rewards users who need to adapt to changing light conditions instantly without missing a shot.
Check Price on Amazon US, UK, CA, DE → Check Price on B&H
✓ Free Shipping · ✓ Easy Returns · ✓ Secure Checkout
Moment Variable ND Filter View on Amazon View on B&H
Moment’s entry into the VND space is impressive for its simplicity and build. The laser-etched stop markers are incredibly accurate, allowing you to dial in exactly how much light you’re cutting. On the Sony 24-70mm GM II, the Moment filter provides a very “clean” look. It doesn’t have the fancy haptics of the PolarPro, but the rotation is damped perfectly—it won’t move if you accidentally bump it. The aerospace-grade metal frame feels rugged and matches the aesthetic of the Sony GM series nicely. One minor drawback is that it’s a bit prone to fingerprints, so you’ll want to keep a microfiber cloth handy. For photographers who want a reliable, middle-of-the-road option that performs consistently across the entire 24-70mm focal range, the Moment filter is a fantastic choice.
Check Price on Amazon US, UK, CA, DE → Check Price on B&H
✓ Free Shipping · ✓ Easy Returns · ✓ Secure Checkout
Buying Guide: How to Choose a Variable ND Filter
Comparison Table
| Product | Best For | Rating | Price |
|---|---|---|---|
| PolarPro Signature II | Professionals | ★★★★★ | Check |
| NiSi True Color | Color Accuracy | ★★★★☆ | Check |
| K&F Concept Nano-X | Budget Shooters | ★★★★☆ | Check |
| Freewell Magnetic | Speed/Versatility | ★★★★★ | Check |
| Moment VND | Minimalist Setup | ★★★★☆ | Check |
Frequently Asked Questions
What size ND filter does the Sony 24-70mm GM II use?
The Sony FE 24-70mm f/2.8 GM II has an 82mm front filter thread. While you can use step-up rings for larger filters, an 82mm native filter is recommended to avoid vignetting at the 24mm wide-angle end. Most professional variable ND filters are slightly wider on the front element (around 86mm-90mm) to ensure there is no dark shadowing in the corners when shooting wide open.
Can I use my lens hood with a Variable ND filter?
In most cases, no. High-quality variable ND filters like the PolarPro or NiSi are designed with a larger front diameter to prevent vignetting. This extra width usually blocks the Sony GM II’s bayonet lens hood from attaching. Some brands, like NiSi, provide a special cap to protect the filter since the hood can’t be used, or you can opt for a matte box if you need light flagging.
Does a VND affect the autofocus of the Sony GM II?
Technically, no, but it depends on the density. Variable ND filters work by polarizing light, which doesn’t interfere with Sony’s phase-detection autofocus. However, if you use a very dark ND (like 9 stops) in low light, the camera may struggle to “see” the subject, slowing down focus. In daylight, you won’t notice any difference in the lens’s lightning-fast tracking performance.
What is the ‘X-pattern’ and how do I avoid it?
The X-pattern is a cross-polarization artifact that occurs when you rotate a VND too far, common in cheaper filters without hard stops. On a lens as wide as 24mm, this is very noticeable. To avoid it, choose a filter with “Hard Stops” that physically prevent the glass from rotating into the danger zone. All the filters on our list feature hard stops for this reason.
Should I get a 2-5 stop or a 6-9 stop filter?
For most video work on the Sony 24-70mm GM II, a 2-5 stop filter is perfect. It allows you to maintain a 1/50th or 1/60th shutter speed at f/2.8 in bright conditions. A 6-9 stop filter is generally reserved for long-exposure photography, such as making waterfalls look silky in broad daylight, or for shooting extremely bright scenes where you need to cut a massive amount of light.
Final Verdict
For professional hybrid shooters using the Sony 24-70mm GM II, the PolarPro Peter McKinnon Edition II is the clear winner for its build and ease of use. If you are a filmmaker who prioritizes color accuracy above all else, the NiSi True Color offers nearly identical performance for significantly less. For those just starting out or on a strict budget, the K&F Nano-X provides enough quality to keep your images sharp without breaking the bank.