49mm to 72mm Camera Lens Adapter Ring for Filters and Accessories (Step-Up)
Product description
What it is and why you might need it
A 49mm to 72mm camera lens adapter ring (step-up) is a simple piece of metal that lets a 49mm lens thread accept 72mm filter and accessory threads. In day-to-day terms, it helps you use the “bigger thread” gear you already own—like UV, CPL, ND filters, a lens hood, flashes, or other threaded lens converters—without needing to replace everything just because the thread sizes differ.
If you’ve ever bought a filter set only to realise the threads don’t match your lens, this kind of ring is the practical fix. It’s not making your optics magically better, but it can make your existing accessories usable.
Key takeaways
On paper, this adapter is designed for a straightforward job: screw onto the front of a 49mm lens and convert the thread size to fit 72mm accessories. It’s made from an aluminium alloy body, with a corrosion-resistant, glossy finish, and it’s described as durable and resistant to deformation. There’s also mention of a metal sealing ring, which is relevant because it can help the fit feel more secure.
One important detail to note: the ring works only if your lens thread size really is 49mm and the accessory is truly 72mm. The adapter won’t “match loosely” in a way you can rely on.
Where it shines in use
The most obvious win is using 72mm filters on a 49mm lens. For example, if your camera setup needs a polariser for reflections, but your CPL is already available in 72mm thread size, the adapter lets you screw it on directly.
It can also be handy when you want a specific lens hood size, or you’re trying to mount another threaded accessory that expects a 72mm connection. The whole approach is about compatibility and convenience rather than adding features.
What to double-check before buying
Thread size matching is the entire story here. The lens thread size is normally shown underneath the lens cap or written on the lens barrel, and it’s often prefixed with a diameter symbol (for example, Ø49 indicates a 49mm lens thread).
Also, pay attention to the order of sizes: with adapter rings, the first number refers to the lens thread size and the second number refers to the accessory/filter size. In this case, 49mm (lens) to 72mm (accessory) is a step-up configuration.
If you order the wrong size, it may simply not fit your lens. It’s worth checking the numbers twice rather than assuming they’ll be close.
Pros and cons to keep expectations realistic
Pros
- Aluminium alloy construction is positioned as durable and less prone to deformation
- Designed to connect 49mm lens threads to 72mm threaded accessories
- Lists compatibility with common threaded 72mm items such as UV, CPL, ND filters, lens hoods, flashes, and lens converters
- Includes a metal sealing ring, which may help with a tighter feel
Cons / limitations
- It only helps with threaded compatibility, it won’t solve situations where accessories use a different mounting type
- It’s a secondary ring, so there’s still dependency on a correct thread size on both the lens and the accessory
- If you’re using filters/hoods that are already optimised for a different thread size, this is more of a workaround than an “ideal fit” by design
Should you buy it?
It makes sense to buy this 49mm to 72mm camera lens adapter ring if you already own (or plan to buy) 72mm filters or threaded accessories and your lens front thread is clearly marked Ø49. It’s a practical way to stop thread-size mismatch becoming a blocker, especially for everyday shooting needs like polarisation and exposure control with CPL and ND filters.
You may want to avoid it if your lens thread size isn’t actually 49mm, or if your accessories don’t use 72mm screw threads. Also skip it if you’re looking for something that improves image quality—this is about fitting and access, not performance.
Mini FAQ
How do I confirm my lens thread size?
Look for the printed size underneath the lens cap or on the lens barrel. It’s often shown with a diameter symbol, such as Ø49.
What does “step-up” mean here?
A step-up ring lets a smaller lens thread accept a larger accessory thread size. Here, 49mm becomes compatible with 72mm accessories.
What accessories does it claim to work with?
The description includes compatibility with 72mm threaded accessories such as UV, CPL and ND filters, lens hoods, flashes, and lens converters.
Can I use this with any 72mm filter?
Only if the filter is designed for 72mm screw threads. The size needs to match, otherwise it won’t fit properly.