The Heliopan 46-77mm Step-Up Ring (#149) is a step-up ring permitting the use of 77mm threaded filters on a 46mm threaded lens. Constructed of matte black brass, Heliopan step-up 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.