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 often forces impossible shutter speeds, especially for videographers. To maintain that cinematic motion blur or creamy bokeh without overexposing, a high-quality Variable ND filter is non-negotiable. After testing several options on my own GM II, the PolarPro Peter McKinnon Edition II stands out for its color accuracy. Here are the best filters to preserve your lens’s legendary sharpness.
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
The PolarPro Signature Edition II is the gold standard for a reason. When you’re using a lens as sharp as the Sony GM II, you don’t want glass that softens the image. This filter utilizes a unique haptic feedback mechanism, allowing you to feel every stop adjustment without looking away from your viewfinder. In my field tests, the color neutrality is exceptional, avoiding that nasty “X-pattern” cross-polarization even at the 24mm wide end. The 2-5 stop range is perfect for most daylight scenarios, though you might want the 6-9 stop version for long exposures. The included “Defender” cover is also a brilliant touch, offering better protection than a standard lens cap. While it’s a significant investment, it is the only filter I’ve found that truly respects the resolution of Sony’s 61MP sensors.
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NiSi True Color Vario-ND (1-5 Stop) View on Amazon
Many variable NDs suffer from a slight yellow or green shift, which can be a nightmare to fix in post-production, especially with Sony’s S-Log3 profiles. The NiSi True Color lives up to its name by providing a remarkably neutral image across its entire 1 to 5-stop range. I love the small silver adjustment lever; it makes smooth transitions during a shot much easier than grabbing the rim of the filter. Itβs built specifically to avoid vignetting on wide lenses, and it pairs beautifully with the 24mm focal length of the GM II. While it doesn’t have the hard stops of the PolarPro, the optical quality is nearly indistinguishable. Itβs an ideal choice for the videographer who wants pro-level color science without the “creator-brand” markup.
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K&F Concept Nano-X Variable ND View on Amazon
If you’ve just dropped $2,300 on the Sony 24-70mm GM II, your wallet might be feeling thin. The K&F Concept Nano-X is the best “affordable” filter that doesn’t ruin your image quality. Itβs surprisingly slim, which is vital for preventing vignetting at 24mm. While you might notice a very slight loss of sharpness at the extreme corners when zoomed in at 400%, for 95% of users, it’s virtually invisible. The frame is made of aviation-grade aluminum and feels much more premium than its price suggests. It does have a slight cool tint, but itβs easily corrected with a custom white balance. For travel photography or casual YouTube videos, this filter provides about 80% of the performance of the high-end brands for a third of the price.
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B+W 82mm T-PRO Variable ND View on Amazon
B+W has been the choice of pros for decades, and the T-PRO line represents their highest tier. The first thing you’ll notice is the weight; the brass frame is much sturdier than aluminum and far less likely to bind or “weld” to your lens threadsβa common fear with expensive gear. The Schott glass used here is legendary for its clarity. Using this on the Sony GM II feels like a perfect match in terms of build quality. The rotation is buttery smooth, though it lacks the hard stops of the PolarPro, which might bother some videographers. However, for pure optical transparency and durability in harsh environments, B+W is hard to beat. The Nano-coating makes it incredibly easy to wipe off fingerprints or sea spray during outdoor shoots.
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Tiffen 82mm Variable ND Filter View on Amazon
Tiffen is a name synonymous with Hollywood, and their Variable ND is a workhorse. It uses their patented ColorCore process, which laminates the filter material between two pieces of optical glass. This makes it incredibly durable. I find the Tiffen produces a slightly “warmer” look, which many people find flattering for skin tones in lifestyle videos. The outer ring is slightly larger than the 82mm mounting thread, which is a clever design choice to prevent vignetting even when stacked. While it can show the “X” pattern if you push it past its intended 8-stop limit, within the 2-6 stop range, it performs beautifully. Itβs a reliable, no-nonsense tool that has lived in my kit bag for years and never let me down during a high-pressure shoot.
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Buying Guide: How to Choose a Variable ND for Your 24-70mm GM II
Comparison Table
| Product | Best For | Rating | Price |
|---|---|---|---|
| PolarPro PM Edition II | Overall Quality | β β β β β | Check |
| NiSi True Color | Color Accuracy | β β β β β | Check |
| K&F Concept Nano-X | Budget Value | β β β β β | Check |
| B+W T-PRO | Durability | β β β β β | Check |
| Tiffen Variable ND | Filmmaking | β β β β β | Check |
Frequently Asked Questions
What filter size do I need for the Sony 24-70mm f/2.8 GM II?
The Sony FE 24-70mm f/2.8 GM II requires an 82mm filter. This is a step up from the original Mark I version, which also used 82mm. It is a standard size for pro-grade f/2.8 zooms. Always ensure you are purchasing the 82mm diameter version; otherwise, you will need to use step-up rings, which can prevent the lens hood from being attached properly.
Will a Variable ND filter cause vignetting at 24mm?
It can, especially with thicker, cheaper filters. However, the premium options listed here, like the PolarPro and B+W, use slim frames specifically designed to avoid this. If you stack a variable ND on top of a UV filter, you will almost certainly see vignetting at 24mm. For the best results, mount the ND filter directly to the lens threads.
What is the “X-pattern” everyone warns about?
The “X-pattern” or cross-polarization is a dark, X-shaped shadow that appears when the two polarizing elements of a variable ND filter are rotated too far relative to each other. This is most common on wide-angle lenses like the 24mm end of your Sony zoom. High-end filters solve this by including “hard stops” that prevent the filter from rotating into the danger zone.
Can I still use my lens hood with an 82mm VND filter?
In most cases, no. Many high-quality variable ND filters have an outer ring that is slightly larger than 82mm to prevent vignetting. This extra width usually blocks the bayonet mount for the Sony lens hood. Some brands, like PolarPro, provide their own custom caps or covers because the standard Sony lens cap won’t fit over the filter’s wider outer ring.
Is 2-5 stops enough, or do I need a 6-9 stop filter?
For most video work (keeping your shutter speed at 1/50 or 1/100), a 2-5 stop filter is the sweet spot. It allows you to shoot at f/2.8 in bright daylight without issues. A 6-9 stop filter is generally reserved for extreme situations, such as long-exposure photography in the middle of the day to make waterfalls look like silk or to make crowds disappear.
Final Verdict
If you want the absolute best experience that matches the premium feel of your Sony GM II, the PolarPro Peter McKinnon Edition II is worth every penny. For those more focused on color accuracy for video, the NiSi True Color is a fantastic alternative. If you’re just starting out or only use an ND occasionally, the K&F Concept Nano-X offers impressive performance that punch well above its weight class.