The Heliopan 77-58mm Step-Down Ring (#423) is a step-down ring permitting the use of 58mm threaded filters on a 77mm threaded lens. Constructed of matte black brass, Heliopan step-down rings are highly durable and longer-lasting when compared to aluminum rings.
- Efficient solution for use of one size of filters with various sized lenses.
- Matte black brass lessens chance of glare.
- Rugged construction for ease of use.