Answering the most common question from photographers: which 40.5mm step-up rings fit your lens and filters best? This guide highlights five compatible options that expand your lens’s filter and accessory compatibility. Each pick targets a specific use case—whether you need the lightest option, the most robust all-metal build, or the broadest size range. Ideal buyers include travel shooters, hobbyists upgrading to standard filter sizes, and professionals looking for reliable mounts without adding bulk.
| Product | ||
|---|---|---|
| NFOD 40.5-52mm Step-Up Ring Adapter | 40.5-52mm | Lightweight, budget-friendly option for basic filter use |
| Fotodiox 40.5-52mm Step Up Ring | 40.5-52mm | All-metal, reliable build for general use |
| Fotodiox 40.5mm-58mm Step Up Ring | 40.5-58mm | Broader size range for versatile filter upgrades |
| Fotodiox 40.5mm-49mm Step Up Ring | 40.5-49mm | Compact range for smaller filter needs |
| GZNLY 40.5mm-67mm Step-up Adapter Ring | 40.5-67mm | Maximum flexibility with CNC precision |
NFOD 40.5-52mm Step-Up Ring Adapter

Best for light travel setups and entry-level filter usage. This 40.5-52mm step-up ring is made from aluminum with a polished, anodized matte finish for smooth mounting. It is suitable for adapting smaller lens mounts to 52mm filters and accessories. Benefit: keeps the setup compact and reduces the need to carry multiple rings. Limitation: does not cover larger filter sizes beyond 52mm, so you’ll need a separate ring for bigger diameters.
Fotodiox 40.5-52mm Metal Step Up Ring

Better for shooters who want a robust all-metal design. This ring uses anodized black aluminum and is designed for precision threading. It weighs very little and supports 40.5mm to 52mm. Key advantage: durable construction that withstands field use. Caution: product weight and tolerances can vary slightly with different batches, so ensure threads align cleanly before mounting a filter.
Fotodiox 40.5mm-58mm Metal Step Up Ring

Best for expanding to mid-size filters without changing the lens setup frequently. This all-metal step-up ring provides a 40.5mm to 58mm range with precise threads and a 0.75 pitch size. It is well-suited for photographers who occasionally use 58mm filters or adapters. Limitation: slightly longer front-end profile than smaller rings, which may affect compactness on small cameras.
GZNLY 40.5mm-49mm Step-Up Ring

Choose this for a compact 40.5mm to 49mm option with high-strength aluminum alloy and precise CNC machining. Best for photographers who frequently switch between 40.5mm lenses and 49mm filters while maintaining a lightweight kit. Caution: narrower range means you may need additional rings if you later add larger filters.
GZNLY 40.5mm-67mm Step-Up Ring

Best for ultimate flexibility, this ring spans 40.5mm to 67mm, enabling use with a wide range of filters. It relies on aviation-grade aluminum alloy for strength and reduced bulk. Selection note: broader range helps avoid swapping rings for different filters, but may add slightly more weight and length than narrower rings.
AMOPOFO 40.5mm-77mm Step Up Ring

Best for photographers needing to share filters across multiple lens sizes, this 40.5mm to 77mm range supports UV, ND, and CPL filters. It uses a robust metal design to minimize vignetting risk and to maintain filter alignment. Limitation: the larger diameter can introduce slight balance changes on smaller cameras when fitted with heavier filters.
Buying Guide
What to consider when choosing a 40.5mm step-up ring:
- Size range: If you own multiple lenses, a wider range (e.g., 40.5mm-67mm or 40.5mm-77mm) reduces the number of rings you need.
- Material and finish: All-metal rings (aluminum) provide durability; matte finishes help resist reflections and prevent slippage.
- Pitch and threading: A 0.75 pitch offers smoother mounting; verify compatibility with your lens and filters.
- Weight and bulk: Travel shooters may prefer lighter rings, even if it means narrower range.
- Quality control: Seek rings with precise CNC machining to ensure reliable threading and concentricity.
FAQ
- What is a step-up ring used for?
A step-up ring adapts a lens with a smaller thread size to accept filters and accessories with a larger diameter.
- Can I use a 40.5mm-58mm ring for 52mm filters?
Yes, if 58mm is the target filter size you plan to use, but it may sit slightly looser on 52mm filters or require careful alignment.
- Are all 40.5mm rings the same quality?
No. Build material, precision threading, and finish vary across brands; all-metal designs tend to be more durable.
- Should I buy a ring with a broader range or multiple narrow rings?
Broader ranges reduce the number of rings but may add slight bulk; multiple rings offer lighter weight for each size.
- Do rings affect image quality?
Rings themselves do not affect image quality, but poor fit or misalignment can introduce vignetting or shading.
- What is the best material for step-up rings?
Anodized aluminum is common and durable, offering a balance of weight and strength for most setups.