Samigon Step-Up Ring 43-55mm

The Samigon Step-Up Ring 43-55mm is a simple but highly useful accessory designed to expand the versatility of lenses with a 43mm filter thread. By adapting that smaller thread size to 55mm, this ring allows photographers and videographers to use larger filters and front-mounted accessories without replacing their existing optics. It is especially helpful for users who want to share one set of 55mm filters across multiple lenses, helping reduce cost and streamline a camera bag.

Compatible With

• Lenses with 43mm front filter threads
• 55mm threaded filters and accessories

What a Step-Up Ring Does

A step-up ring increases the usable front thread size of a lens. In this case, it lets a 43mm-thread lens accept 55mm filters. This is useful for attaching larger UV protectors, circular polarizers, neutral density filters, diffusion filters, close-up filters, or other threaded accessories that use a 55mm mount. For many photographers, step-up rings are an efficient way to buy one higher-quality filter set and use it across several lenses with different smaller thread sizes.

Practical Benefits

Using a 43mm to 55mm step-up ring can simplify your workflow and save money over time. Instead of purchasing duplicate filters in multiple sizes, you can invest in one 55mm filter and use it on any compatible smaller-thread lens with the appropriate ring. This is particularly useful for premium filters such as multi-coated polarizers and ND filters, which can become expensive when purchased in several diameters. It also helps minimize gear duplication and makes packing for travel more efficient.

Build and Handling

Step-up rings are typically made from lightweight metal for durability and consistent threading. A properly machined ring helps ensure smooth attachment to both the lens and filter while maintaining secure alignment. The compact design adds minimal bulk, so it is easy to keep one in a pouch, pocket, or filter wallet for everyday use.

Usage Notes

Before attaching the ring, verify that your lens has a 43mm front thread and that your filter or accessory uses a 55mm thread. Thread the step-up ring gently onto the lens first, then attach the 55mm filter. Avoid over-tightening, as this can make removal more difficult. While step-up rings are very convenient, keep in mind that some original lens caps or hoods sized for 43mm may no longer fit once the ring and larger accessory are installed. You may need a 55mm lens cap or compatible hood if you plan to leave the ring attached.

Why Choose a 55mm Standard

The 55mm size is a practical step-up destination for many compact and lightweight lenses because it opens access to a wider range of commonly available filters. If you already own 55mm filters, this ring can help integrate smaller lenses into the same filter ecosystem. It is a smart accessory for photographers building a more flexible and economical setup.

Recommended Accessories

• 55mm UV filter for front element protection
• 55mm circular polarizer for reducing reflections and enhancing color
• 55mm neutral density filter for long exposures or video shutter control
• 55mm lens cap if leaving the ring mounted
• Filter pouch or case for safe storage
• Lens cleaning cloth and blower for maintenance

Specifications

• Brand: Samigon
• Product Type: Step-Up Ring
• Lens Thread Size: 43mm
• Accessory/Filter Thread Size: 55mm
• Manufacturer Number: ASM877