K&F Step Up Filter Ring 37-40.5mm 2pcs

The K&F Concept Step Up Filter Ring 37-40.5mm is an adapter for filters made of aircraft-grade aluminum. The package contains 2 pieces and a cleaning cloth.

Function

The step-up adapter allows larger filters to be attached to smaller lenses. This 37-40.5 mm adapter allows a 40.5 mm filter to be used on a 37 mm lens.

Material

Made of aircraft-grade aluminum alloy, corrosion-resistant, difficult to deform, and suitable for various climatic conditions.

High compatibility

Allows for the adaptation of different filter sizes, saving the cost of purchasing multiple filters.

Technology

The frame surface is oxidation-treated and sandblasted, which effectively prevents unwanted light from penetrating. Small size and low weight ensure easy portability. The adapter is easy to assemble and disassemble. It is ready for immediate use.

cleaning cloth included

The package includes a microfiber cloth in vacuum packaging. The cloth will not damage the surface of optical devices (lenses/filters), does not shed fibers, and effectively prevents secondary contamination.