40.5mm Step Rings

The SRB 40.5-37mm Step-down Ring steps a 40.5mm lens thread down to a 37mm thread, making it suitable to attach a 37mm filter to a 40.5mm lens for example.

The SRB 40.5-43mm Step-up Ring steps a 40.5mm lens thread up to a 43mm thread, making it suitable to attach a 43mm filter to a 40.5mm lens for example.

The SRB 40.5-46mm Step-up Ring steps a 40.5mm lens thread up to a 46mm thread, making it suitable to attach a 46mm filter to a 40.5mm lens for example.

The SRB 40.5-49mm Step-up Ring steps a 40.5mm lens thread up to a 49mm thread, making it suitable to attach a 49mm filter to a 40.5mm lens for example.

The SRB 40.5-52mm Step-up Ring steps a 40.5mm lens thread up to a 52mm thread, making it suitable to attach a 52mm filter to a 40.5mm lens for example.

The SRB 40.5-58mm Step-up Ring steps a 40.5mm lens thread up to a 58mm thread, making it suitable to attach a 58mm filter to a 40.5mm lens for example.

The SRB 40.5-55mm Step-up Ring steps a 40.5mm lens thread up to a 55mm thread, making it suitable to attach a 55mm filter to a 40.5mm lens for example.