28mm Step Rings

The SRB 28-27mm Step-down Ring steps a 28mm lens thread down to a 27mm thread, making it suitable to attach a 27mm filter to a 28mm lens for example.

The SRB 28-30mm Step-up Ring steps a 28mm lens thread up to a 30mm thread, making it suitable to attach a 30mm filter to a 28mm lens for example.

The SRB 28-30.5mm Step-up Ring steps a 28mm lens thread up to a 30.5mm thread, making it suitable to attach a 30.5mm filter to a 28mm lens for example.

The SRB 28-35.5mm Step-up Ring steps a 28mm lens thread up to a 35.5mm thread, making it suitable to attach a 35.5mm filter to a 28mm lens for example.

The SRB 28-37mm Step-up Ring steps a 28mm lens thread up to a 37mm thread, making it suitable to attach a 37mm filter to a 28mm lens for example.

The SRB 28-52mm Step-up Ring steps a 28mm lens thread up to a 52mm thread, making it suitable to attach a 52mm filter to a 28mm lens for example.